United States
                 Environmental Protection
                 Agency
                 Office of Mobile Source Air
                 Pollution Control
                 Emission Control Technology Division
                 2565 Plymouth Road
                 Ann Arbor, Michigan 48105
EPA-460/3-81-015
April 1981
vvEPA
                 Air
Characterization  of Diesel Emission!
as a  Function of  Fuel  Variables

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                                        EPA-460/3-81-015
Characterization of Diesel Emissions as a
           Function of Fuel Variables
                              by

                         Bruce B. Bykowski

                      Southwest Research Institute
                         6220 Culebra Road
                       San Antonio, Texas 78284

                        Contract No. 68-03-2707

                   EPA Project Officer: Thomas M. Baines


                           Prepared for

                  ENVIRONMENTAL PROTECTION AGENCY
                     Office of Air, Noise, and Radiation
                  Office of Mobile Source Air Pollution Control
                    Emission Control Technology Division
                       Ann Arbor, Michigan 48105


                            April 1981
           U.S.
           Kcr-'o-
           £50 ;:,
                                 ., ~
                                "

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This report is issued by the Environmental Protection Agency to report
technical data of interest to a limited number of readers.  Copies are
available free of charge to Federal employees, current contractors and
grantees, and nonprofit organization - in limited quantities - from the
Library Services Office (MD-35),  Research Triangle Park, North Carolina
22771; or, for a fee, from the National Technical Information Service,
5285 Port Royal Road, Springfield, Virginia  22161.
This report was furnished to the Environmental Protection Agency by
Southwest Research Institute, 6220 Culebra Road,  San Antonio, Texas,
in fulfillment of Contract No.  68-03-2707.  The contents of this
report are reproduced herein as received from Southwest Research
Institute.  The opinions, findings, and conclusions expressed are
those of the author and not necessarily those of the Environmental
Protection Agency.  Mention of company or product names is not to
be considered as an endorsement by the Environmental Protection
Agency.
                   Publication No. EPA-460/3-81-015
                                  ii

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                               ABSTRACT

     This report describes the laboratory testing of several diesel fuel
blends in a 1975 Mercedes 240D.  A narrow-cut base fuel's properties were
altered to study the effects of fuel composition on gaseous and particulate
emissions.  Eleven fuel blends were investigated, representing changes in
nitrogen content, aromatic level, boiling point distribution, olefin content,
cetane number, and other properties.

     Vehicle operating procedures used for test purposes included both
those specified in Federal Regulations (FTP)'-'-'* and occasionally an
85 km/h cruise simulation.  Both regulated and unregulated gaseous and
particulate emissions were measured using a CVS-PDP and dilution tunnel
operating on the entire exhaust stream of the engine.  The majority of
the sampling and analytical procedures used were developed during earlier
EPA Contracts 68-02-2497(2), 68-02-1230(3'4), and 68-02-1777. 5)  A
statistical analysis, similar to that performed under Contract 68-03-2440    ,
was conducted on the gaseous and particulate emissions as a function of
fuel properties.
*Numbers in parentheses designate references at the end of this report.
                                  111

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                               FOREWORD

     This project was conducted for the U.S.  Environmental Protection Agency
by the Department of Emissions Research, Southwest Research Institute.  The
laboratory testing phase of the project began in September 1979,  and was
completed in March 1981.  This project was conducted under EPA Contract No.
68-03-2707, and was identified within Southwest Research Institute as
Project 11-5423-001.  The EPA Project Officer was Thomas M. Baines of the
Emission Control Technology Division, Environmental Protection Agency, 2565
Plymouth Road, Ann Arbor, Michigan.  The Southwest Research Institute Project
Manager was Charles T. Hare, and Principal Investigator was Bruce B. Bykowski.
Karl J. Springer was overall supervisor of the effort.
                                   IV

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                             TABLE OF CONTENTS

                                                                    Page

ABSTRACT                                                             iii

FOREWORD                                                               iv

LIST OF FIGURES                                                      vii

LIST OF TABLES                                                      viii

I.     INTRODUCTION                                                     1

II.    SUMMARY AND CONCLUSIONS                                          3

III.   TEST VEHICLES AND FUELS                                          7

       A.   Test Vehicle                                                7
       B.   Test Fuels                                                  8

IV.    INSTRUMENT AND ANALYTICAL PROCEDURES                            23

       A.   Vehicle Operation and Smoke Measurements                   23
       B.   Regulated and Unregulated Gaseous Emissions Measurement    23
       C.   Particulate Mass Rate, Concentration, and Aerodynamic
            Sizing                                                     26
       D.   Analysis of Particulate Composition                        33
       E.   Analysis of the Soluble Fraction of Particulate Matter     33

V.     TEST PLAN, OPERATING SCHEDULE AND DATA REDUCTION                35

       A.   Test Plan                                                  35
       B.   Data Reduction                                             38

VI.    GASEOUS EMISSION AND ODOR RESULTS                               39

       A.   Regulated Gaseous Emission Results                         39
       B.   Individual Hydrocarbon Results                             39
       C.   Aldehyde Results                                           39
       D.   Phenol Results                                             46
       E.   Results of Odor Analysis                                   47

VII.   SMOKE AND PARTICULATE EMISSION RESULTS                          49

       A.   Visible Smoke Emissions                                    49
       B.   Particulate Mass Emissions and Concentrations              50
       C.   Particulate Size Distribution                              50
       D.   Analysis of Particulate Composition                        54
       E.   Composition of Organic Solubles in Particulate Matter      59
       F.   Mutagenic Activity of Organic Solubles                     61

                                      v

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                        TABLE OF CONTENTS (Cont'd)
VIII.  STATISTICAL ANALYSIS OF FUEL AND EMISSIONS DATA

       A.   Statistical Methodology
       B.   Data Input and Numbering of Variables
       C.   Analysis of Fuel Variables
       D.   Analysis of Emission Variables
       E.   Relationships Between Fuel and Emission Variables

REFERENCES                                                            87

APPENDICES

       A.   Contract 68-03-2707 Scope of Work
       B.   Fuel Additive Information
       C.   Test Plan and Data Reduction Information
       D.   Gaseous Emissions Data
       E.   Smoke and Particulate Emissions Data
       F.   Statistical Data
                                      VI

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                               LIST OF FIGURES

Figure                                                              Page

  1      Determination of the Pure Aromatic Compound
         Distribution                                                 13

  2      Determination of the Pure Heavy Paraffin Compound
         Distribution                                                 17

  3      Determination of the Pure Light Paraffin Compound
         Distribution                                                 19

  4      Heated Hydrocarbon Analyzer System                           24

  5      Schematic Diagram of DOAS Sampling System                    25

  6      Schematic Diagram of Exhaust Dilution Tunnel                 29

  7      Mercedes 240D During Test                                    30

  8      Dilution Tunnel Configuration                                30

  9      Location of Particulate Sampling Probes  on Tunnel            31

 10      Loading of 20x20 Filter into Holder                          31

 11      Particle Sizing Impactor Dissassembled                       32

 12      Weight Percentage of Particulate Matter  Collected by
         Impactor stages During the FTP                               57
                                     VI1

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                               LIST OF TABLES

Table                                                               Page

  1      Description of Test Vehicle                                   7

  2      Fuel Properties                                              11

  3      Pure Mono-Aromatic Package Composition                       14

  4      Heavy-End Paraffin Additive Composition                      16

  5      Original Light-End Paraffin Additive Package Composition     18

  6      Final Light-End Paraffin Package Composition                 20

  7      Ranges in Properties of Test Fuels                           21

  8      Heated  Hydrocarbon Analyzer Overflow Calibration and
         Sample Flow Schematic Component Description                  25

  9      Outline of Chemical and Physical Exhaust Evaluations         36

 10      Test Plan for Each Fuel                                      37

 11      Regulated Gaseous Emissions Data                             40

 12      Individual Hydrocarbon Emissions                             41

 13      Aldehyde and Phenol Emissions Data                           42

 14      DOAS Odor Results                                            48

 15      Summary of Visible Smoke Data                                49

 16      Particulate Mass Emissions                                   51

 17      Time-Based Particulate Emissions                             53

 18      Particulate Concentrations                                   53

 19      Base Fuel Particulate Size Distribution During a Combined
         Cold and Hot FTP                                             55

 20      Particle Size Distribution of Particulate Collected with
         Impactor                                                     56

 21      Carbon, Hydrogen, and Nitrogen in Exhaust Particulate
         Matter                                                       58

 22      Composition of Organic Solubles from Particulate Matter      60
                                    Vlll

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                          LIST OF TABLES (Cont'd)

Table                                                               Page

 23      BaP Present in Organic Solubles                              62

 24      Chromatograph Analysis of Organic Solubes in Particulate
         Matter                                                       63

 25      Summary of Ames Bioassay Analysis of Organic Solubles
         From Particulate Matter Collected During  FTP                 64

 26      Ames Bioassay Analysis Results in Revertants Per
         Distance During FTP                                          64

 27      Coding of Fuel and Emission Variables                        68

 28      Basic Statistics for Fuel Variables (V1-V38)                 70

 29      Correlation Between Boiling Percentiles Obtained by
         Two Analysis Methods                                         72

 30      Varimax Rotated Factor Matrix for Remaining Fuel
         Variables                                                    73

 31      Correlation Coefficients Between Selected Fuel
         Variables (r>0.85)                                           75

 32      Correlations Between Filtered and Unfiltered Phenols         76

 33      Summary of Selected Emission - Emission Correlation
         Coefficients                                                 78

 34      Multiple Comparisons of Pairwise Correlations Between
         Important Emission Variables and Fuel Variables              79

 35      Condensed Comparison of Pariwise Correlations Between
         Important Emission Variables and Fuel Variables              79

 36      Summary of the Stepwise Linear Regression Analysis           80

 37      Ranking of Test Fuels Against Major Emissions                86
                                      IX

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                           I.  INTRODUCTION

     Light-duty diesel-powered vehicles are increasing in numbers, as an
energy-conscious public turns to more fuel-efficient vehicles.  Predictions
of 20 percent diesel car market penetration in the U.S. by 1990 are not
uncommon, so diesel cars are increasingly important as a pollution source.
The world's supply of crude oil is also being depleted, creating incentives
for discovery and utilization of alternate sources of fuel.  These con-
ditions also contribute to pressure for widening of present diesel fuel
specifications, to make the most of available crude oil.

     A number of studies have been performed to investigate the effects of
commercially-available diesel fuels on exhaust emissions.  A wide range
of diesel vehicles, operated on both transient and steady-state cycles,
have been researched by the scientific community.  With the advent of
alternate-source fuels (shale oil, coal, etc.) and the loosening of diesel
fuel specifications, however, the need exists for data to determine what
effects on exhaust emissions, if any, can be expected from altering fuel
composition beyond normal specifications.  The project reported here was
one attempt to gather such data, utilizing a base fuel which was high in
quality and petroleum-derived, with other materials added to determine
their effects individually.

     Selection of compounds and mixtures added to the base fuel was made
on the basis of changes in emissions attributed to fuel properties in
previous research.  Substances added included nitrogen (two forms),
aromatics (two forms), olefins, paraffins (to extend both lower and upper
ends of the boiling range independently), and a nitrate-type cetane improver.
A second fuel, without the above additives,  was also tried, having gross
properties similar to those of the base fuel, but having undergone drastically
different refining and blending processes.

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                     II.  SUMMARY AND CONCLUSIONS

     The major objective of this project was to study the effects of fuel
composition on exhaust emissions from one diesel vehicle, a 1975 Mercedes-
Benz 240D, operated mainly on the FTP schedule.  A base fuel whose composi-
tion was altered by adding various materials produced fuel blends for
test.  Eleven test blends were used to study the effects of aromatics,
olefins, nitrogen, light ends, heavy ends, and cetane number.

     One of the major challenges in performing this work was acquisition
of a clean, narrow-boiling-range diesel fuel to serve as a base, and the
development of a technique to prepare desired blends using readily available
compounds.  In some cases, refinery products satisfied blending component
needs; while in other cases, pure chemicals had to be used.  The latter
situation made it essential to maximize test efficiency because of the
high cost of pure compounds.  Best efficiency was achieved by integrating
a number of sampling procedures into each test, and by reviewing data
carefully before proceeding.

     The test format was designed to provide the maximum amount of emissions
characterization information with as many fuel blend variations as possible.
Gaseous and particulate emissions collection and analyses were performed
using techniques developed in earlier work.  The experimental design
permitted limited statistical analysis of fuel effects on emissions, but
more levels of some of the variables would have been desirable for this
purpose.

     The most important observations and conclusions reached as a result
of this project (not necessarily in order) are as follows:

     1.   An approximation of changes in boiling range of a distillate
          fuel due to the addition of specific hydrocarbons can be made
          mathematically with reasonably good precision, yielding the
          ability to blend to a detailed boiling range specification.

     2.   To get the most accurate assessment of a diesel fuel boiling
          range, especially .at the extremes, it should be determined
          by ASTM-2887  (G.C.-simulated distillation) rather than
          ASTM-D86.

     3.   Regulated gaseous emissions were not strongly affected by the
          fuel variables studied.  Hydrocarbon and CO emissions increased
          slightly with the pure aromatic and cetane-improved aromatic
          blends.  The cetane-improved aromatic blend also resulted in
          a small NOX increase.

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4.   A "heavy aromatic" blend, EM-434-F, reduced individual (low
     molecular weight)  hydrocarbon emissions,  most notably ethane.
     The other aromatic blends, EM-460-F and EM-463-F, resulted in
     increased individual hydrocarbons of lower molecular weight.

5.   Aldehyde emissions were largely unaffected by fuel changes,
     with the exception of fuel EM-405-F (base + isoquinoline at
     0.1% N).  The increase in aldehydes was substantial, but not
     completely understood.  The light-end and heavy-end blends
     also resulted in slight aldehyde increases, but not of the
     magnitude observed with EM-405-F.

6.   Phenol emissions were strongly affected by the shale oil blend,
     EM-430-F.  They increased to over 60 times the level observed
     with base fuel EM-395-F.  The only other pronounced increase in
     phenols occurred while testing EM-405-F,  base + isoquinoline.

7.   Experimental application of instrumental odor evaluations to
     dilute exhaust and transient cycles indicated low odor intensity
     for all the blends.  Slight increases in odor intensity occurred
     with the "heavy-aromatic," olefin, and extended light-end blends.

8.   Visible smoke production was both increased and decreased by
     the use of various fuel blends, as compared to baseline smoke.
     The olefin blend, EM-438-F, reduced smoke levels during five
     portions of the cold-start FTP.  "Heavy aromatics"  (in EM-434-F)
     caused the greatest smoke increase.  Addition of a cetane improver
     to EM-434-F produced fuel EM-463-F, and it reduced initial cold-
     start smoke levels below those for base fuel.  This same blend
     exhibited the highest smoke level, however, at the "164 second"
     acceleration.  This result helps make sense of other results
     observed when the cetane improver was used showing that it
     enhanced starting and cold combustion, but probably degraded
     emissions performance under other conditions.

9.   Particulate rates were reduced with the light-end blend and the
     olefin blend, by  14 percent and 6 percent, respectively.  The two
     blends containing aromatics, EM-434-F and EM-460-F, were associated
     with increases in particulate emissions of about 27 percent.  The
     cetane-improved aromatic fuel blend, EM-463-F, increased parti-
     culate emissions  about 68 percent over those observed with base
     fuel EM-395-F.  Heavy ends fuel EM-461-F apparently did not cause
     an increase in particulate emissions, as might have been expected.

10.  Impactor data indicated  that the majority of the particulate mass
     was under 0.08 ym in diameter.  The portion of particulate matter
     larger than 0.08  ym was  distributed in uneven fashion among the
     calibrated impactor plates with no trends apparent due to  fuel
     changes.

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11.  Trace elements accounted for 0.6% to 2% of the particulate mass.
     The most interesting finding was the detection of silicon in
     the particulate matter (possibly finely-divided mineral impurity
     carried through refining)  when shale oil blend EM-430-F was used.

12.  Blends containing aromatics resulted in slightly less organic
     solubles extracted from particulate matter.  Olefins, light ends,
     and heavy ends were associated with increases in amount of organic
     solubles.

13.  No apparent increase in the nitrogen content of the organic
     solubles was observed with any of the blends compared to base
     fuel.  It was initially supposed that the fuel blends containing
     nitrogen might increase nitrogen levels in the organic solubles,
     but the results did not support that-supposition.

14.  BaP emissions were generally low for the fuel blends tested,
     ranging from 0.25 to 0.96 yg/km.  A slight reduction was associated
     with the olefin blend, EM-438-F.  A significant increase, 3 times,
     was exhibited by the shale oil blend EM-430-F when compared to
     the base fuel EM-395-F.

15.  Statistical analysis led to condensing the large number of fuel
     and emission variables to five orthogonal fuel variables and
     nine "most important" emission variables.  The five fuel variables
     were aromatics, olefins,  nitrogen, ASTM-D2887 end point, and gum
     levels.  Emission variables included HC, CO, NO, fuel consumption,
     particulate mass, solubles, BaP, phenols, and aldehydes.  Aldehydes,
     HC, CO, NOX, fuel consumption, and phenols were not strongly
     related (in the linear sense)  to these five fuel variables.
     Particulate mass, BaP, CO, and solubles could be estimated by
     linear equations whose R  values were between 0.79 and 0.85.
     These equations were marginal in that they did not represent a
     true population dispersion of "real world" variability in fuel
     composition.

16.  Rank-ordering of nine selected emission variables and corresponding
     fuels revealed no clear trends.  No one fuel blend consistently
     caused greatest emissions degradation, nor did any blend consis-
     tently improve emissions more than the others.  Some of the fuel
     blends were associated with reductions in several of the selected
     emissions and with increases in others.  For example, the olefin
     blend resulted in particulate mass, BaP, phenol, aldehyde, and
     CO reductions, but increased fuel consumption and HC emissions.

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                     III.  TEST VEHICLES AND FUELS
     The major criteria used for selection of a test vehicle were avail-
ability, and the potential to utilize a data base acquired on the vehicle
during previous studies.  Fuel consumption criteria were variety in
variables so as to be most orthogonal to each other, and maximum projected
effect on particulate emissions and Ames bioassay results.
A.
Test Vehicle
     The vehicle chosen was a 1975 Mercedes 240D.  A description of the
vehicle is provided in Table 1.  This Mercedes was supplied to the Con-
tractor by EPA for test purposes and was used in earlier EPA Contracts
68-03-1777(5), 68-03-2440<6> and 68-02-2116.(7>
                  TABLE 1.  DESCRIPTION OF TEST VEHICLE
       Vehicle nodel
       Engine model
       Model year

       V.I.N.
       Engine no.

       Body type
       Loaded weight, kg  (lbm)a
       Inertia equivalent, kg  (lbm)

       Transmission

       Displacement £(in3)
       Cylinders
       Power, kW (hp) @ rpm
       Injection system
       Combustion chamber
       Compression ratio

       Distance on vehicle, km
                                       Mercedes  240D
                                       OM616
                                       1975

                                       11511710066208
                                       616916-10-052895

                                       4 door sedan
                                       1492  (3289)
                                       1588  (3500)

                                       4 speed manual

                                       2.40  (146.7)
                                       4
                                       46.2  (62) @ 4350
                                       Bosch
                                       prechamber
                                       21.0

                                       14991
        curb weight plus 136 kg  (300 lbm)
        at end of project

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B.   Test Fuels

     Criteria used for selection of a base diesel fuel were high paraffin
content, low sulfur, low nitrogen, narrow boiling range, and ready avail-
ability.  The original base fuel candidate was a JP-7 material, which is
a highly-hydrotreated fuel designed for use in high-altitude reconnaissance
aircraft.  The JP-7 approximated a No. 1 diesel or Jet A in boiling range,
and analyses indicated that this fuel met the criteria.  Although the
specifications of the JP-7 fuel were not classified, the fuel itself was
restricted in its distribution and use to approved military customers
in tank car (114,000 &) lots.  Efforts were redirected to find a com-
mercially available substitute.

     A local refiner and supplier of technical fuel, Howell Hydrocarbons,
had some fuels available which were normally used as blending components.
One such material, their code H320, was comparable to the JP-7.  Approxi-
mately 1100 liters was obtained for use as base fuel.  Contact with Mr.
Art Churchill at Wright Patterson AFB resulted in procurement of 1100 liters
of JP-7 with the proper paper work.  The JP-7 was coded at SwRI as EM-401-F
and was set aside for testing as an alternate base fuel.  The Howell
material, H320, was coded EM-395-F, and was chosen as the base fuel
because of its narrower boiling range and lack of additives (which the
JP-7 was permitted to contain).  An additional 10,000 liters of Howell H320
was obtained after analysis was complete.

     The initial fuel compositions were to be a "clean" base fuel, and
base fuel with two added levels of three materials having substantial
nitrogen content.  Results from Contract 68-03-2440^) indicated that fuel
nitrogen was a good place to start in observing quantitative effects,
especially on particulate mass and Ames bioassay results.  Nitrogen was
also quite well adapted to control as a variable, since it was not detected
in the base fuel.  Substantial changes in fuel nitrogen content were to be
made with only very small corresponding changes in other variables.  The
planned initial fuel compositions containing nitrogen are listed below:
Fuel
1
2
3
4
5
6
7
Composition
base,
base -
base -
base -
base -
base -
base -
N level approximately 0.005%
H refinery bottoms, N level 0.04%
t- refinery bottoms, N level 0.1%
f acridine, N level 0.04%
I- acridine, N level 0.1%
f- benzoquinoline, N level 0.04%
^ benzoquinoline, N level 0.1%
     Later review of the fuels above resulted in dropping mixtures using
benzoquinoline, because of the unlikelihood that benzoquinoline is present
in diesel fuel and the hazards of handling a known mutagen as a fuel
component.  Small test blends of base fuel (EM-395-F)  and acridine were

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prepared to determine its suitability.  All the test blends incorporating
acridine were somewhat turbid, had a yellow color, and blends with 0.1
percent nitrogen or more crystallized at about 5°C.  Potential substitutes
for acridine were tetradecylamine and carbazole.  Both substitutes had
similar solubility problems.  A number of other compounds were studied for
potential use, but isoquinoline had the best combination of properties.
Isoquinoline mixed clearly throughout the required ranges and had a low
molecular weight similar to the base fuel.  The 2-ring structure of iso-
quinoline is identical to quinoline (a compound suggested by the Project
Officer based on discussion with DOE-BETC personnel) except for the
position of the N substituent in the ring.

     Test blends containing refinery bottoms also posed problems.  Due to
the extreme turbidity and partial insolubility of refinery bottoms, it was
appropriate to set target nitrogen levels somewhat lower (0.004 to 0.01
percent N) than originally planned.  In addition, a filtration step was
added subsequent to fuel blending, but prior to fuel analyses.  The
analyses of initial refinery bottoms blends indicated extremely high gum
values.  Because of the likely detrimental effects and subsequent shifting
of engine performance, the intended employment of refinery bottoms as a
source of petrochemical nitrogen was in doubt.

     A search was conducted to obtain a nitrogen compound similar to what
might be present in refinery products, yet compatible with the base fuel.
A gas chromatograph equipped with both a FID  (flame-ionization detector)
and a NPD (nitrogen-phosphorous detector) was incorporated to locate
nitrogen compounds in various refinery products in relation to number
of carbon atoms and subsequent boiling range.  If the nitrogen was located
in a relatively narrow boiling range,  then the nitrogen-containing
compounds could be concentrated by fractional distillation and used as
an additive.

     The initial candidate was a No. 2 diesel fuel used in a previous
study.(6)   This fuel contained 84 ppm nitrogen.  The results indicated
that a significant amount of nitrogen was not located in a very narrow
cut.  The nitrogen in this diesel fuel was located in the highest-boiling
20 percent "cut" and its distribution appeared to increase logarithmically
with increasing carbon numbers and boiling temperatures.  The refinery
bottoms contained 1800 ppm nitrogen.  Based on the finding of the No. 2
diesel fuel, an attempt was made to fractionally distill the first 80
percent of the refinery bottoms, leaving a remaining 20 percent that would
contain the bulk of the nitrogen.

     When attempting to vacuum-distill a 0-80 percent cut,  it was noted
that the boiling temperature reached 450°C after only 24 percent was dis-
tilled.  This finding contradicted the ASTM-D86 boiling point distribution
data of the refinery bottoms.  The ASTM-D86 data indicated a boiling
range for refinery bottoms of 300-404°C, with 10 percent residue.  Dis-
tillation was halted at 450°C because  the gum analytical procedure

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(ASTM-D381) considers compounds remaining after 450°C is reached as gum.
Apparently the boiling point distribution based on ASTM-D86 is not valid
for high boiling materials, because this method can cause thermocracking
of heavier constituents.  This problem caused liquid materials to be
collected that were not actually present in the initial sample.  The gas
chromatograph method of determining boiling points (ASTM-D2887) should
therefore be used instead of ASTM-D86.  In the 24 percent cut, very little
nitrogen was detected.  The use of refinery bottoms as a source of petro-
chemical nitrogen was not possible.

     Discussion with Frank Newman of SwRI's Division 05 revealed that the
nitrogen distribution increased logarithmically with increasing carbon
numbers and boiling temperatures for most fuels that were subjected to
various refinery processes  (thermocracking, hydrogenation, etc.).  Fuels
that were essentially straight runs probably contain several low boiling
point nitrogen compounds.  A sample of straight run shale oil containing
1.44 percent nitrogen was acquired and injected into the gas chromatograph
equipped with the FID-NPD detectors.  The resulting chromatogram is
located in Appendix B, page B-2.  The results indicated that the nitrogen
was distributed quite evenly in this wide-boiling range («125 to 600°C)
material.  A fractional cut of this oil, with a boiling range of 250 to
275°C, was obtained by vacuum distillation to prevent thermocracking.  This
fractional cut approximated the boiling range of the base fuel, and
analysis indicated that it contained 0.92 percent  (9200 ppm) nitrogen.
The additive was soluble in the base fuel, and therefore a cut of shale
oil became the source of petrochemical nitrogen, replacing refinery
bottoms.

     Because of the uncertainty of success and the high cost of a large
volume distillation, only a small amount of the shale oil cut was produced.
This was sufficient to prepare one blend containing approximately 500 ppm
nitrogen, which was coded EM-430-F.  The isoquinoline was used to prepare
two fuel blends containing approximately 500 ppm  (EM-404-F) and 1000 ppm
 (EM-405-F) nitrogen.  The analyses of these fuels and that of the base
fuel, EM-395-F are listed in Table 2.

     Fuel  blending and  several analyses were shared among the Department
of Emissions Research,  the Mobile Energy Division, and the Division of
Engines, Fuels, and Lubricants of SwRI.  Blends representing each fuel
composition were made up in batches of about 30 liters each, assuming
that enough fuel was available for vehicle fuel system purging, vehicle
operation, fuel analyses, and extra fuel on hand  for possible retests.
Only in cases where the  fuel additive was  extremely costly or available
in limited quantities were  smaller batches blended.

     The fuels containing nitrogen were blended and tested to  satisfy
the requirements of the  "initial  study".   The  "main study" proposed pre-
paring fuel blends on an "as needed"  basis to  incorporate the  experience
and findings of fuel blends which have completed  testing.  The  fuel
                                    10

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                                               TABLE  2.   FUEL PROPERTIES
Substance
Code (EM-
Cetane No. (D613)
Cetane Index (D976)
50% point, °F
Gravity, "API @ 60°F
Density, g/m£ @ 60°F
Carbon , wt . %
Hydrogen, wt. %
Oxygen, wt. %
Nitrogen, ppm (oxid. pyrolysis)
Calculated H/C, numeric
Carbon No. range (G.C.)
Aromatics, vol. %
Olefins, vol. % (D1319)
Paraffins, vol. %
Viscosity, cs @ 100°F (D445)
Gum, mg/100 mj, (D481)
Boiling Range, °C (IBP-EP, D86)
10% point, °C
20% point, °C
30% point, °C
40% point, °C
50% point, °C
60% point, °C
70% point, °C
80% point, °C
90% point, °C
95% point, °C
Residue, wt. % (D86)
Boiling Range, °C (IBP-EP, D2887)
10% point, °C
20% point, °C
30% point, °C
40% point, °C
50% point, °C
60% point, °C
7O% point, °C
80% point, °C
90% point, °C
95% point, °C
Residue, wt. % (D2887)
H320
base fuel
395-F
62
58
420
47.0
0.793
85.10
14.66
—
2.05
10-14
5.8
1.5
92.7
1.59
0.2
203-252
211
212
213
214
216
217
218
221
224
228
0.8
140-269
197
202
208
213
217
222
229
234
239
247
0
JP-7
401-F
55
56
430
45.3
0.800
85.91
13.81
—
1.92
9-15
2.7
1.9
95.4
1.69
0.5
193-261
206
210
213
217
221
224
228
233
239
244
1.0
138-278
184
198
207
215
223
231
239
247
255
262
0
395-F +
isoquinoline
404-F
62b
57a

4146.7a
0.794
85.103
14.633
—
479
2.04
10-14
6 la
l'.53
92. 4a
1.593
0.3b
194-253b
211b
212b
21 3b
214b
215b
217h
218b
221.
224b
228b
—
146-279*3
19 7b
20 3b
209b
214b
218b
223b
230b
235b
240b
248b
—
395-F +
isoquinoline
405-F
61
56
418
46.4
0.795
85.093
14.583
—
930
2.05
10-14
6.63
1.5
91. 8a
1.58
0.6
194-255
210
211
212
213
214
216
218
220
224
229
0.5
154-294
198
204
210
215
219
225
231
237
243
250
0.5
395-F +
shale oil
cut
«0.05%N
430-F
63
56
418
46.2
0.796
86.02
13.80
<0.5
493
1.91
11-15
8.8
1.8
89.4
1.59
14.3
200-249
210
211
212
213
214
217
219
222
228
233
1.5
145-265
200
208
213
217
220
224
231
236
240
251
0
395-F + «
31% Exxon
"HAN" heavy
aromatics
434-F
44
44
421
40.1
0.825
86.65
13.11
—
5
1.80
10-16
31.5
2.9
65.6
1.51
2.4
191-266
206
209
211
213
216
218
222
226
234
244
1.0
194-283
207
215
220
225
228
235
240
244
258
269
0
395-F + »
6% Chevron
alpha
olefins
438-F
64
58
418
47.0
0.793
84.56
13.81
—
1.95
11-14
6.8
6.6
86.6
1.55
1.1
203-252
210
211
212
213
214
217
219
221
224
229
1.0
184-270
203
210
216
222
226
230
237
242
247
256
0
395-F +
light ends
448-F
56
61
409
49.3
0.783
85.12
14.57
—
2.04
9-14
4.9
1.8
93.3
1.40
0.8
175-249
189
195
201
206
209
213
21C
219
223
227
1.0
147-265
164
181
203
211
218
224
230
237
244
249
0
395-F +
30% pure
aromatics
460-F
46
48
418
42.1
0.815
86.42
13.37
—
1.84
10-15
32.1
1.0
66.9
1.47
1.4
203-255
209
211
212
213
214
216
218
221
224
228
0.5
179-264
198
206
210
216
219
226
231
235
239
247
0
395-F +
heavy ends
461-F
68
62
434
47.5
0.791
85.18
14.47
—
2.02
11-17
5.1
1.0
93.9
1.74
1.4
207-286
216
218
219
221
223
227
231
238
251
260
1.0
183-303
202
211
216
219
225
233
238
255
272
286
0
434-F +
0.7 vol. %
DII-3
463-F
60
44
421
40.0
0.826
86.38a
a
13. 08^
0.21
718
1.80
10-16
30.8
1.2
68.0
1.5ia
2.4a
190-266a
206a
a
209
211a
a
213
a
216
a
218
a
222
a
226
234a
a
244
__
192-283a
20 7a
a
215
a
220
-,-,,-a
225
__ a
228
a
235
a
240
a
244
a
258
a
269

calculated
extrapolated from measured values

-------
variables that were likely candidates were paraffin/aromatic ratio, olefin
content, presence of light ends, presence of heavy ends, and cetane number.
It should be noted that the descriptions of the fuels that follow were
prepared throughout the project and not at the project initiation.

     Procurement of various additives was of major concern.  It was
felt that refinery products were both cost-effective and representative
of compounds which were present in various fuels.  On the other hand,
many refinery packages contain a large number of various compounds, and
it would be difficult to pinpoint the effects of individual compounds.
It was decided to use both refinery packages, where applicable, and pure
compounds from chemical supply firms in other cases.  A source of refinery
specialty products was obtained from Dr. George P. Gross of Exxon Research
and Engineering Company.  Dr. Gross and others discussed fuel effects at
the 1979 Detroit SAE meeting.  His responding letter and attachment
describing specialty products available from Exxon are included in
Appendix B, pages B-3 through B-5.  Follow-up material concerning Exxon
specialty products along with other refiner products are also located
in Appendix B, pages B-6 through B-13.

     The aromatic content was studied using two approaches.  The first
additive source was an Exxon specialty product  (Exxon "HAN"), which
contains 88 percent "heavy aromatics".  The product was chosen because
it was derived from a refinery stream.  The second additive source was
originally to be a normal alkylbenzene aromatic package.  The only packages
that were offered consisted of normal alkylbenzene aromatics whose total
carbon numbers were between C17 and C2i, which boil higher than the base
fuel.  A mono-aromatic package with a boiling range similar to the base
fuel was formulated using individual compounds available from various
suppliers.

     The boiling point distribution of the base fuel, SwRI code EM-395-F,
was plotted to determine the distribution of individual compounds by over-
laying a step function representing the individual compounds such that the
fuel curve bisects each step.  This procedure enabled the pure aromatic fuel
blend to exhibit a boiling point curve similar to that of the base fuel.
Figure 1 illustrates this method.  Criteria for individual compound  selec-
tion were availability, boiling point, and cost.  The large step  that
occurred in the middle of the boiling range was due to the unavailability
of a mono-aromatic compound.  A di-aromatic compound, napthalene, boiling
at 218°C, would have smoothed the  step function, but it was considered
important to use only mono-aromatics in this blend.  The pure mono-aromatic
package consisted of the compounds listed in Table  3.

     The fuel blend containing  the Exxon  "HAN" was prepared by blending
enough Exxon  "HAN" into 25  liters  of base fuel, EM-395-F,  to raise the
aromatic content to approximately  30 percent.  The  "HAN" fuel blend  was
coded EM-434-F.  Similarly,  the pure mono-aromatic package was used  with
an additional 25 liters of  base fuel to raise  its aromatic content to
about 30 percent.  The mono-aromatic blend was  coded EM-460-F.  The
properties of each fuel blend are  listed  in Table 2.


                                     12

-------
     100
-p
c
0)
o
-p

•&
•H
0)
S
      80
      60
40
      20
               120    140   160   180   200   220   240   260   280   300

                                    Boiling Temperature, °C
             Figure  1.   Determination of the Pure Aromatic

                          Compound Distribution
                                   13

-------
           TABLE 3.   PURE MONO-AROMATIC PACKAGE COMPOSITION
Compound
diethy Ibenzene, m-,o-,p-

4 -tert-butyl toluene
diisopropylbenzene,m-,o-,p-
n-hexy Ibenzene
pent ame thy Ibenzene
n-heptylbenzene
n-octy Ibenzene
Structure
o_ PH2CH3
CH3
©
CH3CCH3
AlTT
3 CH3CHCH5
m— ji
toUcH2,5CH3CH3
spisi
(or'^'^
tsr1^',^
Boiling
Point, °C
184

193
203
226
232
246
265
Percent in Pkg.
3.0

9.5
31.5
28.0
17.0
9.0
2.0
     The effects of olefin content in the fuel were studied using a pure
alpha olefin package, purchased from Chevron.   The carbon number range
for this package was C^ to C]^, and it had a  boiling range between 198
and 257°C.  Enough of this package was blended with base fuel to raise
the olefin content from 1.5 to approximately 6.5 percent.  This olefin
fuel blend was coded EM-438-F, and its properties are listed in Table 2.

     Investigation of suitable additives to study light and heavy
ends, i.e., expanding the boiling point distribution of the base fuel
towards lower boiling points and then higher points, was somewhat difficult.
It was originally intended to use refinery cuts of materials boiling just
below and just above the initial and end point temperatures of the base
fuel, EM-395-F.  Possible candidates for the presence of low ends included
cuts from a JP-4 or typical unleaded gasoline.  A high-end cut of unleaded
gasoline seemed to be the best candidate.  The presence of heavy ends
was to be accomplished similarly by using a low-end cut of a No. 6D boiler
fuel or addition of "cat-cracker-gas" (gas oil).

     A problem developed when the proposed blends were reviewed.  If the
blends at the target boiling point distribution were made using refinery
                                   14

-------
products, then the boiling range of the blends would be similar to some
of the fuels previously examined during prior EPA Contract No. 68-30-2440.
Since the base fuel, EM-395-F, had a very narrow boiling range, it would
not be possible to extend the boiling range beyond the fuels previously
tested without creating an essentially new fuel.

     Base fuel EM-395-F had a boiling point range that was overlapped
by fuels studied under the previous contract.(6)  By using either refinery
paraffin packages or mixtures of pure paraffins representative of what
may constitute the low and high ends, the effects were investigated with-
out duplicating fuels previously tested.  The addition of paraffins was
such as to represent a smooth increase  (for low ends) or decrease (for
high ends) of the individual compound concentrations in order to represent
a refinery cut distribution.  The target range for low-end addition was
30 percent by weight boiling under 200°C, and for the high-end addition,
30 percent by weight boiling over 240°C, both by ASTM-D2887.

     It was hoped that pure paraffin packages in the appropriate boiling
ranges could be obtained from refineries.  An investigation revealed that
many specialty products, including mixtures of pure compounds in the same
class, were no longer available.  The few that were available would not
create a boiling curve as smooth as desired.  An alternative was to use
a mixture of pure paraffins whose combined boiling points would simulate
the boiling range desired.  It was planned to prepare an additive package
from pure compounds that were probably present in the refinery stream,
with concentrations that would cause the initial boiling and end points
of the base fuel to increase or decrease logarithmically.

                          (8)
     An Exxon essay report    discussing the properties of Prudhoe Bay
Alaskan crude was obtained from Norm Sefer of SwRI's Division 05.  An
analysis of a crude cut, between 100 and 150°C, was used as a guideline
to determine candidate compounds and the distribution of paraffins,
isoparaffins, and naphthenes.  This table is located in Appendix B,  page
B-14.  Several of the compounds were chosen for use, and were to be blended
such that the ratio of paraffins, isoparaffins and naphthenes were similar
to the Prudhoe Bay distribution.  Unfortunately, this approach could not
be used due to unavailability of several compounds from suppliers, or their
extremely high cost.  It was decided to use compounds that were readily
available at a reasonable cost, and which had the desired boiling points.
An attempt was made to prepare blends such that they contained paraffins,
isoparaffins, and naphthenes.

     The pure compounds available for the heavy-end paraffin additive
package are shown in Table 4.  Isoparaffins in the desired boiling range
were not commercially available.  The target range was to extend the
heavy end to 30 percent boiling over 240°C.  The concentration of the
additive package required was determined by calculating the quantity of
this package (boiling over 240°C) needed to reduce the base fuel's weight
percent distilled from 90 percent to 70 percent at 240°C.  The following
calculation took into account weight percent contributions from both the
additive package and the base fuel.  Thus, the heavy-end extended blend
                                   15

-------
              \ /fraction \                   /fraction^
    % additive I (additive j   +  /   % fuel  1 [   fuel   I
    over 240°C/ \in mix   /      lover 240°C/ 1  in mix  I

                  or  100% (A)  +  10% (1-A)   =  30%
/  % mix    '
over 240°C;
                                A = 0.22

was mixed at 78 percent base fuel and 22 percent paraffin compounds boiling
over 240°C.

               TABLE 4.   HEAVY-END PARAFFIN ADDITIVE COMPOSITION
Compound
n-tetradecane
n-octylcyclohexane
n -pe ntade cane
nony Icy clone xane
n-hexadecane
n-heptadecane
Structure
CH3(CH2)12CH3
QXCH2)7CH2
CH3(CH2)13CH3
_- / /"ITT \ l^TT
rr~^ *-*•" O / Q^^ "^
CH -^ ( CH o / i A CH T
OH o ( CHp ) \ 5^ 3
Boiling Point, °C
254
264
270
282
286
302
Percent in Pkg.
31.8
18.2
13.6
12.7
12.3
11.4
     Since the additive package did not boil under 254°C, several points
for the blended fuel's curve were calculated by using 78 percent of the
base fuel's weight percent values under 254°C.  A curve was then drawn
through the calculated points up to 254°C.  The curve was extended
logarithmically to 100 percent to represent the desired high-end distri-
bution.  A step function characteristic of the mixture of pure compounds
was drawn on the curve such that each step was bisected by the curve.  This
procedure is illustrated in Figure 2t  The percent of each pure compound
required was determined by measuring the height of each step, and dividing
by the total percent of the entire paraffin package.  For example,
n-octylcyclohexane boils at 264°C.  The height of the step at 240°C is
4 percent (see Figure 2).  Since the entire paraffin package constitutes
22 percent of the blend, the percent of n-octylcyclohexane in the package
is 18.2 percent  (4/22 x 100).  The heavy-end blend was coded EM-461-F,
and its properties are listed in Table 2.

     A similar procedure was used to determine the light-end addition
using the pure compounds listed in Table 5.  At the proposed light-end
range of 30 percent boiling under 200°C, all the additives would have
                                    16

-------
      100
-p
c
0)
o
01
-H


I
       80
       60
40
       20
         120   140   "160
                                  "ISO   200  "220    240"   260"

                                     Boiling Temperature,  °C
280    300
             Figure 2.  Determination of the  Individual Heavy

                      Paraffin Compound Distribution
                                     17

-------
      TABLE 5.   ORIGINAL LIGHT-END PARAFFIN ADDITIVE PACKAGE COMPOSITION
     Compound
                Structure
 Boiling
Point, °C
                                     Percent in
                                      Package
 2,2  dimethyIheptane
 4-methyloctane
 n-nonane
 n-propylcyclohexane
 3-methylnonane
 tert-butylcyclohexane
 n-de cane
 n-butylcyclohexane
                 9*3
              CH3C(CH2)4CH3
                 CH3

                       CH3
              CH3(CH2)2CH(CH2)3CH3
              CH3(CH2)7CH3

                  -CH2CH2CH3
                                   H
CH3CH2CH(CH2)5CH2


     CH3

  '•^CH-,
              CH3(CH2)8CH3
   133
   143
                                                       151
   157
                                         167
                                         167
                                                       174
                                         180
                                        4.7
                                        8.2
               10.6
                                       16.5
                9.4
                9.4
               17.6
               23.5
vaporized.  The equation used to determine the ratio of additive to base
fuel is shown below:

   ,           .  /fraction\       /           \  /fraction\        /
   / % additive j I additive    +   /  % fuel   \   fuel       =   /  % mix
   |under 200°C/ \in mix  /       hinder 200°CJ^ in mix j        \under  200°Cj
                                                               \
/  \        /        \
   or  100% (A)   +  16% (1-A)   =  30%

                 A = 0,17
The ratio of the light-end extended blend would be 83 percent base  fuel  and
17 percent pure compounds.  The fuel curve and additive step function  are
shown in Figure 3.
                                    18

-------
                                                  Weight Percent
  8
S
STB1
rt p.


o &
3 §
  •s-
  rt

-------
     A problem developed when attempting to purchase the compounds in
Table 5.  Some compounds originally available from suppliers were dis-
continued.  The cost of pure compounds is generally high, but several
of the chosen compounds were prohibitive.  An alternate approach adopted
was to replace several of the pure compounds with a readily available
isoparaffin package from Exxon.  This specialty product, Isopar G, had
a boiling range between 157 and 176°C (see Appendix B, pages B-7 and B-8
for specifications).  To complete the smooth boiling point distribution,
n-nonane and 4-methyloctane were also used.  The actual light-end package
composition used is listed in Table 6.  The light-end blend was coded


           TABLE 6.  FINAL LIGHT-END PARAFFIN PACKAGE COMPOSITION
Compound
Isopar G
n-nonane
4-methyloctane
Structure
mixed isoparaffins
CH3(CH2)7CH3
9H3
CH3(CH2) 2CH(CH2) 3CH3
Boiling Point, °C
157-176
151
143
Percent in
Package
15.2
4.4
1.0
EM-448-F, and its properties are listed in Table 2.

     The effect of cetane number was studied by using a commercially
available cetane improver.  The cetane improver was essentially ethyl
hexyl nitrate.  When the Exxon "HAN" heavy aromatics were added to the
base fuel to create fuel blend EM-434-F, the cetane number dropped from
61  (EM-395-F, base fuel) to 44 (EM-434-F).  Enough cetane improver
was added to EM-434-F to bring the cetane number up to 60.  This new
fuel blend was coded EM-463-F.  It was hoped that this blend would help
separate the effects of aromatic content and cetane number.  The fuel
properties of EM-463-F are given in Table 2.

     Comparing the eleven test fuels to each other shows that relatively
large ranges of properties are present, as shown in Table 7.  These
ranges  are  expressed as percentages above and  below property values  for
the base fuel coded EM-395-F.  For calculation purposes, the nitrogen
concentration of  the base fuel was assigned a  value of 1 ppm.   The
properties  were varied  so as  to be most orthogonal to each other, and
 in most cases this goal was accomplished.
                                     20

-------
       TABLE 7.  RANGES IN PROPERTIES OF TEST FUELS
Property
Density, g/m£
Cetane Number (D613)
Paraffins, vol. %
Olefins, vol. %
Aromatics, vol. %
IBP, °Kb (D2887)
50% point, °K
EP, °K
Carbon, wt. %
Hydrogen, wt. %
Nitrogen, wt. %
Gum, mg/100 mH
Range in
+4.2
+10.2
+2.9
+ 340.
+450.
+1.1
+2.1
+8.0
+1.8
+0
+93000.
+7100.
Test Fuels, %a
, -1.3
, -28.3
, -29.2
, -33.3
, -53.4
, -2.7
, -1.5
, -0.7
, -0.1
, -10.8
, -o
, -o
expressed as percentages above and below properties
of EM-395-F
                          21

-------
               IV.  INSTRUMENT AND ANALYTICAL PROCEDURES

     Exhaust emissions were measured and samples collected applying pro-
cedures set forth in the Federal Register^), earlier EPA contracts (2,3 4,5)^
and those developed for use during this project.  This section describes
the equipment and procedures used to evaluate fuel effects on gaseous and
particulate exhaust emissions.

A.   Vehicle Operation and Smoke Measurements

     The Mercedes 240D was operated to simulate road experience on a 2-roll
Model ECE-50 Clayton light-duty chassis dynamometer, of the type qualified
for Federal light-duty certification.     Inertia and power absorption
settings used for all test work on this dynamometer followed EPA guidelines.(

     Exhaust smoke measurements were made using an optical light-extinction
smokemeter, of the type specified in Federal regulations for heavy-duty
diesel engine smoke certification.(10)  The smokemeter was mounted on a
51 mm (2 in.) O.D. tailpipe extension when in use.  The control/readout
unit for the smokemeter was mounted remote from the vehicle under test,
and continuous recordings of smoke opacity were made concurrently with
vehicle speed traces.  Smoke measurements were made over the first 505
seconds of the cold-start FTP cycle, while the vehicle was operated on the
chassis dynamometer.  This procedure was developed for research purposes
on an earlier EPA Contract, No. 68-03-2417.(11^

B.   Regulated and Unregulated Gaseous Emissions Measurements

     Regulated gaseous emissions of hydrocarbons  (HC), carbon monoxide (CO),
and oxides of nitrogen (NOX) were collected and analyzed using procedures
and equipment described in the Federal Register.(9^  The method of hydro-
carbon analysis was an updated version of that proposed, and eventually
adopted, for the 1980 Federal Register.(12)  The method of hydrocarbon
analysis is shown schematically in Figure 4, and the components are de-
scribed in Table 8.

     The unregulated gaseous emissions measured were aldehydes, phenols,
odor, and eight individual hydrocarbons.  Aldehydes were measured using
the 2,4-dinitrophenylhydrazine (DNPH) method.(2)  The method consists of
withdrawing a continuous sample of dilute exhaust at a rate of 0.24 m3/h,
and bubbling the sample through glass impingers containing DNPH in hydro-
chloric acid.  This process forms the aldehydes1 phenylhydrazone derivatives,
which are eventually injected into a gas chromatograph equipped with a
flame ionization detector, for separation and identification.
                                    23

-------
         QC's
 Air Zero
HC Span 1
HC Span 2
HC Span 3
       Bag
      Sample

    Dilution
    Tunnel
   Headed Probe
    (5/8" SS)
                                              wm
      $4
                            VI
                                   Denotes sample line components
                                   heated to 375°F
 I V8
Y-^^-i
                                                       FL1
                                                                FL2
                                                                         FL3
                                        T\
                  QC
                                        Beckman 402 HFID OR
                                   SwRI Build with 402 Detector
                                                                                   Vent
                                                               LV10
                                                                  Gl
                                                                              Vent
                                                    M""> ^L-l^l—
                                             ^^^    ^*
                                             (S)G3
                                           R3VY/r^T~V7
                                           vrAM-CBk)	
                                                         •FID Fuel
                                                                           FID Air
                                                 HFID
                                                Detector
                       Figure 4.  Heated hydrocarbon analyzer system.

-------
         TABLE 8.  HEATED HYDROCARBON ANALYZER OVERFLOW CALIBRATION
               AND SAMPLE FLOW SCHEMATIC COMPONENT DESCRIPTION
Component^

Valve
Valve
Valve
Valve
Valve
Valve
Valve
Valve
Valve
Valve
Designation

   VI
   V2
   V3
   V4
   V5
   V6
   V7
   V8
   V9
   V10
        Description of Function
regulating valve for zero air
regulating valve for HC span gas
regulating valve for bag sample
span/zero selector valve in HFID (not used)
sample backpressure regulator
FID fuel pressure regulator
FID air pressure regulator
HC span selector valve
HC span/zero/bag sample selector valve
leak check flow diverter valve
Restrictor
Restrictor
Restrictor
   Rl
   R2
   R3
sample capillary
FID fuel restrictor
FID air restrictor
Gage
Gage
Gage

Filter
Filter

Pump
Pump

Flowmeter
Flowmeter
Flowmeter
   Gl
   G2
   G3

   Fl
   F2

   PI
   P2

   FL1
   FL2
   FL3
sample backpressure gage
FID fuel pressure gage
FID air pressure gage

heated 7.0 cm filter (probe)
heated 7.0 cm filter (oven)

bag sample pump
FID heated sample pump

overflow flowmeter
FID bypass flowmeter
leak check flowmeter
                                     25

-------
     The term "individual hydrocarbons" is used to denote the collection
and analysis of the following compounds:  methane, ethane, ethylene,
acetylene, propane, propylene, benzene, and toluene.  The individual hydro-
carbon  (IHC) procedure(2) consists of collecting a dilute sample in a Tedlar
(DuPont Co.) bag, and injecting a sample from the bag into a four-column
gas chromatograph for separation and identification.  Samples for IHC were
withdrawn from the same bags used to collect dilute exhaust samples for
measurement of regulated emissions.

     Phenols were measured using the ether extraction procedure.^'  The
first step was to collect dilute exhaust in impingers containing aqueous
potassium hydroxide, at a rate of 1.02 nt-Vhr.  The contents of the impingers
are acidified and extracted with ethyl ether, and are eventually injected
into a gas chromatograph equipped with a flame ionization detector.  At
the time of project initiation, the phenol sample filtering requirements
had yet to be finalized.  Phenol samples were therefore collected from
both filtered and unfiltered dilute exhaust.

     Exhaust odor was evaluated by incorporating the A. D. Little "Diesel
Odorant Analytical System" (DOAS).  The procedure used in this study varied
from the normal procedure^    in two ways.  First, the vehicle was operated
on a transient cycle rather than at steady-state.  Second, the exhaust
sample taken was dilute rather than raw.  The principal reasons for
adopting the two modifications were to make optimum use of test cycle and
test time.  The sample system is shown schematically in Figure 5.  Sample
flowrate through the Chromosorb 102 traps was 0.43 m^/hr.  Taking into
account sampling time during the cycle and dilution ratio of the exhaust,
the average amount of undiluted exhaust collected was 36 liters.  This
volume is within the requirements of the normal procedure.^  '  The LCD
(liquid column oxygenate) and LCA  (liquid column aromatic) results were
corrected to undiluted exhaust values by applying the dilution factor.
This correction was performed such that the TIA  (total intensity of aroma)
values could be compared to existing data bases throughout the literature.
The TIA values are defined by either TIA = 1 + logig  (LCO, H<3/H) or
TIA = 0.4 + 0.7 Iog10 (LCA, yg/£), whichever generates the highest value.

C.   Particulate Mass Rate, Concentration, and Aerodynamic Sizing

     Particulate collection for this project was performed using a 457 mm
(18 inch) diameter by 5 m  (16 feet) long dilution tunnel operating on
total vehicle exhaust.  Other associated equipment included probes, pumps,
and filter holders to withdraw and collect the particulate on filters,
and a balance to determine the mass of particulate collected.

     The dilution tunnel is similar to that used in a previous study^',
but modified by installing an additional 114 mm  (4.5 inch) probe at the
downstream end of the tunnel.  This large probe was used to withdraw a
dilute exhaust sample at a rate of 3.4 m3/hr  (120 SCFM) through a 500 x
500 mm  (20x20 inch) Pallflex filter  (Pall Corporation).  The dilution
                                    26

-------
          PROBE

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-------
tunnel used is shown schematically in Figure 6.  Some of the equipment
necessary for collecting particulate and relating it to undiluted vehicle
emissions is not shown in the schematic.  It includes a constant volume
sampler (CVS) operating at a nominal capacity of 12.6 m^/hr (450 CFM) to
withdraw and measure unsampled air/exhaust mixture, and the positive-
displacement pump (capacity 3.4 m3/hr) used for the 500 x 500 mm filter
system.

     Figures 7, 8, and 9 show the dilution tunnel as set up with the vehicle.
The vehicle's exhaust entered the tunnel horizontally near the upstream
end, and sampling took place near the downstream end.  Four probes and
holders used to collect particulate on 47 mm filters are shown protruding
from the top of the tunnel in Figure 8.  The lines from the holders lead
to pumps, flowmeters, and dry gas meters to control flowrate and record
sample volumes.  At the end of the tunnel, the 114 mm probe led to a filter
holder capable of securing a 500 x 500 mm filter, heat exchanger, adjustable
valve for flow control, and a 3.4 m-^/hr positive displacement pump.  Constant
flowrate was accomplished by maintaining temperature and pressure constant
at the pump inlet.  It should be noted that the net flowrate through the
tunnel was affected considerably by the presence of the 500 x 500 mm sample
system.  Figure 9 shows the 500 x 500 mm filter holder at the right of the
tunnel.  Figure 10 also shows placement of the 500 x 500 mm filter into
its holder.

     Particle sizing was accomplished using a radial-slot impactor.  The
impactor system contained stainless steel stages on which particulate mat-
ter was supposedly fractionated by size, and a final Pallflex backup filter.
The impactor was located at the downstream end of the dilution tunnel.
Figure 9 shows the impactor system protruding on the left side of the
tunnel.  Figure 11 shows the impactor system disassembled with the stages,
plates, and filter removed from their holder for clarity.  In operation,
each stage was placed on a plate such that the slots in each stage de-
creased in width from sample entrance down to the filter.  Each stage was
rotated 45 degrees so the particulate matter passing through the slots
impacted on a solid portion of the following stage.  Particle retention
characteristics were related to the slot size and flowrate through the
impactor.  The flowrate was controlled using a metal bellows vacuum
pump, pressure gauge, and flowmeter.  The flowrate was maintained at
0.47 £/min (0.1 CFM) to achieve particle sizing down to 0.1 micron.

     The mass of particulate matter collected on sample filters and impactor
discs was determined on a microbalance.  This balance is enclosed in a
vibration-resistant, temperature- and humidity-controlled chamber to
minimize outside interferences.  Filters and other materials for weighing
were allowed to stabilize in the chamber for a minimum of 12 hours before
they were weighed.  The sensitivity of the balance is 1 yg.  Air to
the chamber flows at about 17 m /hr on a one-pass basis, and keeps the
chamber pressure at about 2.5 kPa above atmospheric.  The control system
                                    28

-------
   Y
610mm
 (24in)
     610mm
(—   (24in)
                       840mm (33in)
                  I
                450mm
                (17.7in)
J
            DILUTION AIR
         FILTER ENCLOSURE
     76mm (3ln) RAW  	
EXHAUST TRANSFER TUBE
               230mm (9in)
             MIXING  ORIFICE
                                                                    TO CVS
                                                                    114mm
                                                                    (4-1/2in)DIA
                               r
                                                         700mm (27.5in)—
                               SAMPLE
                               /	^ —

                                                                  u
                                                          EXH.
                                                                   n
                    4EA1/2inlD
                 SAMPLING PROBE
                                       114mm
                                       (4-1/2in)DIA
                                                 500 x 500mm
                                                 (20in x 20in)
                                                 FILTER HOLDER
                 Figure 6. Schematic diagram of exhaust dilution tunnel.

-------
  Figure 7.  Mercedes 240D during test.
Figure 8.  Dilution tunnel configuration.
                   30

-------
Figure 9.  Location of particulate sampling probes on tunnel.
       Figure 10.  Loading of 20x20 filter into holder.
                              31

-------

       CONE &  SUPPORT
            STAGES

             PLATES
Figure 11.  Particle sizing impactor dissassembled.
                32

-------
keeps chamber conditions at 22.2 ± 0.6°C and 63 ± 2 percent relative
humidity, and air entering the chamber is filtered through a 99.99 percent
OOP-efficient filter.

D.   Analysis of Particulate Composition

     Particulate samples were acquired by several methods for various
analyses.  After determining particulate matter weights, the samples were
subjected to analysis for major elements and trace elements.  Some parti-
culate samples were collected in order to obtain the soluble fraction of
particulate matter.  Analysis of the soluble fraction is discussed in the
next section.

     1.  Trace Elements

         Analysis for trace elements (metals and sulfur) in the particulate
matter was performed on 47 mm Fluoropore filter samples.  As provided in
the contract agreement, these determinations were made at EPA's Research
Triangle Park laboratories as part of the EPA in-house measurement program.
The instrumentation used for these analysis was a Siemens MRS-3 x-ray
fluorescence spectrometer.

     2.  Major Elements

         Samples collected on 47 mm glass fiber filters were sent to
Galbraith Laboratories and analyzed for carbon, hydrogen, and nitrogen
content by combustion and subsequent gas analysis.  The equipment used
was a Perkin-Elmer Model 240B automated thermal conductivity CHN analyzer.
Results of this analysis were reported in percent of submitted mass and
weight of element detected on the filter.  These results make the filter
weighing accuracy very important.

         Oxygen analysis was available from Galbraith using the same
instrumentation described above.  Samples collected on glass fiber filters
could not be used, since glass fiber contains oxygen.  Fluoropore filters
were unacceptable collection media, because fluorine present in fluoropore
causes interference.  Silver membrane filters were used to collect parti-
culate matter for oxygen analysis.  This medium was not used for carbon,
hydrogen, and nitrogen analysis because of the uncertainty of success.
In both cases, blank filters were submitted to permit blank corrections.

E.   Analysis of the Soluble Fraction of Particulate Matter

     The soluble fraction of particulate matter was obtained by extraction
from the 500 x 500 mm  (20x20 inch) Pallflex filters.  This large filter
enabled enough soluble material to be extracted so that the total amount
could be divided into smaller aliquots, then analyzed for a variety of
constituents.
                                    33

-------
     1.  Total Soluble Organics

         The 500 x 500 mm filters were weighed before and after test to
determine the weight of particulate matter.  Each filter was extracted
using methylene chloride in a Soxhlet apparatus.  The solvent volume was
reduced at low temperature and under vacuum.  The remaining solvent/
solubles were transferred to a preweighed container, and the solvent was
evaporated by nitrogen purging.  The total mass of solubles was determined
gravimetrically, and the percent of solubles in the particulate matter
calculated.

     2.  Major Elements

         One aliquot of the dried, weighed soluble extract was submitted
to Galbraith Laboratories and analyzed for carbon, hydrogen, oxygen, and
sulfur by the technique and instrumentation described in Section IV, D. 2
(Perkin-Elmer 240B).  An additional aliquot of soluble extract was sub-
mitted to SwRI's Mobile Energy Division for nitrogen analysis by oxidative
pyrolysis and chemiluminescence.

     3.  Solubles Boiling Range and Individual n-Paraffin Analysis

         Another aliquot of soluble extract was submitted to SwRI's
Mobile Energy Division for determination of the boiling range and
reference to normal paraffins.  The procedure is a high-temperature
variation of ASTM D2887-73.  Each aliquot was dissolved in carbon
disulfide, and an internal standard (Cg and GH compound) was added for
quantitative results.  The maximum temperature that this column reached
was 450°C, eluting compounds boiling up to 650°C.

     4.  Benzo(a)pyrene  (BaP) and Ames Bioassay

         An additional 500 x 500 mm (20x20 inch) filter was extracted,
and the extract was divided into eleven aliquots.  One aliquot was used
to determine the BaP content of the soluble extract.  This analysis was
performed by SwRI's Department of Emissions Research.  The procedure,
developed by others ^^ , is based on high-performance liquid chromatography
to separate BaP from other organic solubles in particulate matter; and it
incorporated fluorescence detection to measure BaP.  The instrument used
was a  Perkin-Elmer 3B liquid chromatograph equipped with a MPF-44 fluorescence
spectrophotometer.  Excitation was at a wavelength of 383 nm, and emission
was read at 430 nm.  The remaining ten aliquots were shipped on dry ice to
EG&G for Ames bioassay testing.
                                    34

-------
         V.  TEST PLAN, OPERATING SCHEDULE AND DATA REDUCTION

     The following sections describe the test plan, sequence, and schedule.
Procedures used for data reduction to meet the requirements of the scope
of work are also outlined.

A.   Test Plan

     The major problem to overcome in structuring this project was to
evaluate as many emissions as possible during vehicle operation.  Devel-
oping' a test plan on this basis allowed a large amount of information to
be collected with a minimum repetitive testing effort, and enabled a
variety of test fuels to be evaluated.  An outline of exhaust constituents
analyzed and their corresponding methods is presented in Table 9.
                                         /q\
     The vehicle followed the "4-bag" FTPv ' cycle during most sample
collection and measurement runs, except those for smoke.  Smoke evaluations
were performed separately during the cold transient portion of the FTP
(first 505 seconds).  The cold transient portion incorporates all of the
most interesting modes from a smoke standpoint, including engine start,
first idle, first acceleration, second idle, and second acceleration.  FTP
cycle description is well documented in other works.(5,6,9)  An 85 ^/^
cruise condition was periodically used on a few of the more "interesting"
fuels.  This cruise condition was originally used in a previous study^>,
and was carried over into this study for continuity.  Ideally, a 20-minute
continuous cruise was to be run.  However, due to temperature requirements
of the filter sample, the cruise schedule was divided into two ten-minute
periods.  A description of the 85 km/h cruise procedure is located in
Appendix C, page C-2.

     The test plan incorporating the cycles and evaluations for each test
fuel is shown in Table 10.  Most samples were taken over each 2-bag FTP,
defined as a "cold FTP" or a "hot FTP".  Testing for each fuel required
three days.  After the first day of testing, the results were reviewed
to determine whether or not replicate analysis would be required on the
second day of testing.  It was important to determine the validity of the
test as early as possible to avoid costly reruns and depletion of limited
quantities of test fuel to repurge the fuel system.  Duplicate filter
samples were collected on Day 2, and retained for possible replicate
analyses.

     Utilizing this test plan on eleven test fuels yielded a total of 45
runs, including baseline repeats and additional runs to replace erroneous
data or supply missing information.  The first three digits of the test
number are the same as the fuel code, and the remaining letters and
digits relate to run numbers.  For example, test 395-A,l means testing
of fuel EM-395-F; "A" represents analyses of day 1; and "1" is the run
number.

                                    35

-------
                        TABLE 9.   OUTLINE OF CHEMICAL AND PHYSICAL EXHAUST EVALUATIONS
    Exhaust component
      under study
Constituent  (s) analyzed for
  Collection
    Method
  Analysis technique(s)
    smoke
smoke  (visible)
                                                                                 EPA smokemeter (continuous)
    gases
HC, CO, C02, NOX
aldehydes
individual hydrocarbons
odor
phenols
sample bag
wet impinger
sample bag
DOAS traps
wet impingera
constant volume sampler
DNPH
injection, GC
DOAS analyzer
extraction, GC
    particulate
to
total mass
size distribution
sulfur & trace elements

carbon, hydrogen in
 particulate
oxygen in particulate

organic extractable substances
BaP in organic solubles
molecular weight range of
 organic solubles
carbon, hydrogen, sulfur,
 oxygen in solubles
nitrogen in solubles
biological response of
 solubles
Pallflex filters
impactor-filter
filter, 47 mm
 Fluoropore
filter, 47 mm
 glass filter
47 mm silver
 filter
"20x20" filter
gravimetric
gravimetric

x-ray fluorescence

combustion  (commercial)

combustion  (commercial)
soxhlet extraction
LC, fluorescence detection

GC

combustion  (commercial)
oxidation pyrolysis

Ames bioassay
     two  sets  of  samples before  and  after  filtration

-------
                                      TABLE  10.   TEST PLAN FOR EACH FUEL

Analysis or Sample
gaseous HC, CO, NOX, CO2
aldehydes
individual hydrocarbons
phenols
total part, mass
sulfur & trace metals
C, H, N in part.
oxygen in part.
organic extractables
BaP and Ames bioassay
smoke
Day 1
Cold FTP
X
X
xc
X
X
X
X
X
X
-
-
(A)
Hot FTP
X
X
-
X
d .........
i
X
d
X
X
X
X
-
-
DC
Cold FTP
X
-
-
-
X
X
X
X
-
X
-
iv 2 (B)a
Hot FTP
X
-
-
-
X
X
X
X
-
X
-

85 km/hb
X
X
X
X
X
X
X
X
X
-
-
Day 3 (C)
cold transient
(505 seconds)
-
-
-
-
-
-
-
-
-
-
X
U)
o
     repeat samples optional
     run occasionally
     uses first bag  (505) of gaseous HC, CO, NOX/ CO2  collection
     one sample collected for entire 4-bag FTP

-------
     At the Project Officer's request, the technical direction of this
project was altered somewhat to permit acquisition of extra samples for
nitroaromatic analysis by Battelle (via HERL-EMSL contract).   These
extra fuels and samples were run in lieu of other possible candidate fuel
blends that might have been tested under the scope of the fuel variable
study.

B.   Data Reduction

     Most data reduction was straightforward and required no special
efforts.  Calculations for regulated gaseous emissions were performed
using computer programs which employed computational methods given in
Emissions Certification Regulations for light-duty diesel vehicles.(9)
The computer programs were fully documented in a previous report.^'
An example of a computer printout is located in Appendix C, Page C-3.

     Particulate mass rate and concentration calculations followed the
guidelines given in the Federal Register.  '  The particulate rate
for record was based on collection by 47 mm Pallflex filters.  The
particulate mass rate was also calculated on the basis of collection by
the large "20x20" Pallflex filters, other 47 mm filter media, and the
impactor system.  These calculations were performed for comparison
purposes.

     The unregulated emission calculations were performed by applying
previously-derived formulae, recorded supplementary data, and conversion
factors to the results generated by the analytical procedures.^}  Many
small calculator programs were written to streamline data reduction into
units most widely accepted  (e.g., mass/distance, percent, etc.).  A copy
of the principal calculator program and data reduction form are located
in Appendix C, pages C-4 through C-7.
                                    38

-------
                VI.  GASEOUS EMISSION AND ODOR RESULTS

     This report section includes presentation and discussion of results
on regulated gaseous emissions, aldehydes, individual hydrocarbons (IHC),
phenols, and exhaust odor.  Replicate regulated gaseous and total parti-
culate emissions varied approximately 6 percent from initial run values.
Where applicable, minimum detection limits (in mass/distance) were
calculated to place results in perspective.  The minimum detection limits
were calculated on the basis of analytical (concentration) minimum detection
limits, total dilute sample volume and distance traveled over the cycle.

A.   Regulated Gaseous Emission Results

     Data on regulated gaseous emissions, including CO2 and fuel con-
sumption, were obtained by analysis of bag samples collected from the
CVS-diluted exhaust.  These results are summarized in Table 11.  The
results are reported for each individual bag, a calculated 3-bag FTP,
and a calculated 4-bag FTP.  The computer printouts for each test are
located in Appendix D, pages D-2 through D-35.

     Regulated gaseous emissions from the Mercedes 240D test vehicle are
quite low, and most of the trends weak.  The highest hydrocarbon and CO
values appeared for the pure aromatic and cetane-improved aromatic blends
(EM-460-F and EM-463-F).  Fuel blend EM-463-F also exhibited the highest
NOX emissions.

B.   Individual Hydrocarbon Results

     Individual hydrocarbon (IHC) results are presented in Table 12.   The
minimum detection limit for the IHC's was 0.85 mg/km.  It appeared that
the "heavy aromatic" blend (EM-434-F) was associated with a reduction in
these specific hydrocarbons,  most notably ethane.  This result is
surprising when compared to the results of the other fuel blends containing
aromatics (EM-460-F and EM-463-F).  These latter aromatic blends were
associated with increases in all individual hydrocarbons as compared with
the base fuel, EM-395-F.

C.   Aldehyde Results

     Concentrations of a number of individual low-molecular weight
aldehydes were determined in CVS-diluted exhaust.  The results for each
aldehyde species and their sums are presented in Table 13.  It should be
noted that "acetone" includes acrolein and propanol, and that the
isobutyraldehyde values were attributed to a column artifact.  The
                                   39

-------
TABLE 11.  REGULATED GASEOUS EMISSIONS DATA


Fuel
EM-395-F

base


EM-404-F

+ ISO.


EM- 40 5 -F

+•4- ISO.


EM-430-F

shale


EM-434-F

heavy
aro.

EM-438-F

olefins


EM-448-F

light end


EM-401-F

alt. base


EM-460-F

pure aro.


EM-461-F

heavy end


EM-395-F


base

EM-463-F

+ cetane
improver



Item
HC
CO
CO2
NOX
Fuel
HC
CO
C02
NOX
Fuel
HC
CO
C02
NOX
Fuel
HC
CO
C02
NOX
Fuel
HC
CO
CO2
NOX
Fuel
HC
CO
C02
NOX
Fuel
HC
CO
co2
NOX
Fuel
HC
CO
CO2
NOX
Fuel
HC
CO
co2
NOX
Fuel
HC
CO
co2
NOX
Fuel
HC
CO
C02
NOX
Fuel
HC
CO
co2
NOX
Fuel
Emissions (g/km) and fuel usage (&/100 km) by Driving Schedule
FTP Bag Number
1
0.10
0.51
254.9
0.74
10.26
0.08
0.47
256.0
0.75
10.39
0.09
0.47
260.8
0.91
10.56
0.09
0.52
255.3
0.82
10.22
0.12
0.55
259.6
0.85
9.97
0.09
0.47
260.9
0.83
10.66
0.11
0.48
248.4
0.82
10.22
0.11
0.49
258.7
0.86
10.32
0.14
0.57
259.4
0.94
10.11
0.09
0.47
256.1
0.83
10.42
0.10
0.53
252.6
0.82
10.27
0.13
0.63
266.2
1.05
10.25
2
0.10
0.56
239.2
0.78
9.52
0.08
0.49
231.9
0.78
9.41
0.08
0.48
233.8
G .C'l
9.47
0.09
0.55
246.2
0.87
9.86
0.13
0.65
254.4
0.93
9.78
0.09
0.52
241.0
0.88
9.86
0.12
0.51
232.1
0.84
9.55
0. 12
0.53
238.3
0.86
9.51
0.13
0.67
248.0
0.93
9.67
0.09
0.50
236.1
0.89
9.62
0.09
0.58
243.9
0.82
9.52
0.14
0.73
250.6
1.06
9.66
3
0.09
0.45
220.6
0.70
8.76
0.07
0.42
22.14
0.72
8.98
0.08
0.41
224.3
0.86
8.95
0.08
0.46
229.8
0.79
9.20
0.10
0.50
226.3
0.82
8.69
0.08
0.43
225.0
0.80
9.20
0.10
0.43
216.7
0.78
8.91
0.09
0.45
226.1
0.80
9.02
0.10
0.49
229.6
0.89
8.94
0.07
0.42
222.8
0.81
9.07
0.08
0.47
223.5
0.81
9.08
0.10
0.56
235.8
1.03
9.08
4
0.10
0.56
231.8
0.76
9.37
0.09
0.51
232.9
0.80
9.45
0.09
0.50
227.4
0.88
9.22
0.11
0.56
241.7
0.83
9.69
0.14
0.67
248.7
0.92
9.56
0.10
0.54
233.0
0.87
9.54
0.12
0.54
228.2
0.81
9.39
0.13
0.57
239.9
0.84
9.58
0.14
0.64
231.2
0.91
9.02
0.08
0,50
2J7.6
0.89
9.27
0.11
0.58
226.8
0.84
9.22
0.14
0.74
245.5
1.07
9.47
(Calculated)
3-bag FrP
0.09
0.52
237.3
0.75
9.46
0.08
0.47
234.0
0.76
9.50
0.08
0.46
236.7
0.89
9.59
0.09
0.52
243.7
0.84
9.76
0.12
0.59
247.7
0.88
9.52
0.09
0.48
240.8
0.85
9.84
0.11
0.48
231.3
0.82
9.51
0.11
0.50
239.2
0.85
9.55
0.13
0.60
245.3
0.92
9.56
0.08
0.47
236.6
0.86
9.63
0.09
0.54
235.1
0.82
9.C5
0.13
0.66
249.7
1.04
9.62
(Calculated)
4-bag FTP
0.10
0.52
235.1
0.74
9.42
0.08
0.48
234.3
0.76
9.61
0.09
0.47
234.9
o.ae
9.51
0.09
0.52
242.3
0.83
9.70
0.12
0.60
246.1
0.88
9.45
0.09
0.49
238.4
0.85
9.75
0.11
0.49
230.1
0.81
9.46
0.11
0.51
239.6
0.84
9.57
0.13
0.59
240.3
0.91
9.37
0.08
0.48
234.1
0.86
9.53
0.09
0.54
232.9
0.82
9.47
0.13
0.67
248.2
1.05
9.57
Steady-State
85 km/h
0.10
0.40
184.6
0.72
7.72
	
	
	
	
— —
0.08
0.30
188.0
C.7.,
7.61
	
	
	
— -

0.08
0.44
197.5
0.85
7.58
	
	
	
	
	
	
	
	
	
...
0.09
0.34
192.2
0.84
7.67
	
	
	
	
	
	
	
___
	
	
0.09
0.38
194.3
0.72
7.89
	
	
	
	
""
                    40

-------
                          TABLE 12.  INDIVIDUAL HYDROCARBON EMISSIONS

Fuel Code
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-395-F
EM-463-F
Individual Hydrocarbons,3 mg/km
Methane
6.17
5.06
8.56
—
0.00
7.71
6.36
7.26
0.00
0.00
8.00
8.00
Etlu.ne
16.77
14.89
18.36
—
5.81
16.58
15.38
17.62
21.38
11.16
19.84
21.51
Ethyl er,e
0.65
0.34
0.35
—
0.23
0.00
0.00
1.18
0.94
0.00
1.25
0.70
Acetylene
4.50
3.27
3.19
—
1.50
4.62
3.71
4.24
5.31
0.00
4.34
3.51
Propane-
0.00
0.00
0.00
—
0.34
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Propylene
4.49
3.84
4.10
—
0.32
4.31
4.93
4.97
5.87
5.64
4.67
6.75
Benzene
3.66
3.42
2.74
—
0.00
0. 30
1.05
2.11
4.85
0.00
0.00
0.00
Toluene
0.00
0.00
1.23
—
0.00
0.00
0.00
0.00
0.00
0.00
0.00
4.01
Detected in the first 505 seconds of a cold FTP

-------
                                    TABLE  13.   ALDEHYDE AND  PHENOL  EMISSIONS DATA
Fuel Type
Fuel Code, EM -

Cycle
7,ldehydes, mg/km
Formaldehyde
Acetaldehyde
Acetone a
Isobutyraldfhyde
Crontonaldehyde
Hexanaldehyde
Benzaldehyde
"TotalC"
Phenols, mg/km
Filtered Samples
Phenol
Salic/laldehyde
m-Cresol+p-Cresol
Group Five1'
2, 3,5-trimethylphenol
2 , 3, 5 ,6-tetramethylphenol
2-n-propylphenol
"Total"
Unfiltered Samples
Phenol
Salicylaldehyde
m-Cresol+p-Cresol
Group Fived
2,3, 5-trimethylphenol
2, 3,5,6-tetramethylphenol
2-n-propylphenol
"Total"
H 320 BASE STOCK
395-F

Cold FTP

1.19
0.24
0.00
9.8^
0.00
0.00
—
1.43


0.46
0.84
O.Ol.
0.31
0.00
0.00
0.00
1.67

0.04
0.00
0.0}
0.04
0.00
0.00
0.03
0.1.'

Hot FTP

0.00
0.00
0.00
11. 2213
0.00
0.00
—
0.00


0.00
o.oc
0.00
0.00
0.00
0.00
1.1"
1.10

0.25
0.00
0.00
0.16
0.00
0.00
0.3<:
0.75
Calculated
1981 FTP

0.51
0.10
0.00
10. 63b
0.00
0.00

0.61


0.20
0.3h
0.02
0.13
0.00
0.00
0.6J
1.34

0.16
0.00
0.00
O.U
0.00
0.00
0.20
0.47

85 km/h

0.22
0.00
3.57
0.14*
0.00
0.01

3.80


0.00
4.38
0.00
3.37
0.00
O.OC
0.00
7.75

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
395-F + iaoquinoline ^ 0.04 %N
404-F

Cold FTP

0.00
0.02
0.00
9.35b
0.00
0.08
~~
0.10


1.41
2.6'.'
0.3J
0.00
0.00
0.00
0.73
5.16

0.00
0.01
0.00
0.62
0.00
0.19
0.00
0. '2

Hot FTP

0.06
0.00
0.00
21.49b
0.20
0.40
""
0.66


0.00
2.16
0.16
0.00
0.00
0.54
0.84
3.70

0.00
0.89
0.00
0.00
0.00
0.00
1.49
2.3B
iJali-'ilated
1981 FTP

0.03
0.00
0.00
16.27b
O.I/
0.27
"~
0.31


0.61
2.39
0.23
0.00
0.00
0.31
0.79
4.33

0.00
0.51
0.00
0.27
0.00
0.08
0.85
1.71
395-F + Isoquinoline ^ 0.1 %N
405-F

Cold FTT

22.33
11.27
0.00
6.70b
0.00
1.19

34.79


5.90
23.66
2.10
0.00
3.82
22.43
6.69
64.60

0.00
0.19
0.00
0.00
0.00
8.85
0.2,?
9.?u

Hot FTP

0.09
0.19
0.00
6.20b
0.00
0.17

0.45


0.00
2.00
0.00
0.00
0.00
0.00
0.87
2.87

0.00
0.62
0.00
0.00
0.00
0.27
0.00
0.' 9
Calculated
1981 FTP

9.66
4.9tr
0.00
6.42b
0.00
0.61

15.22


2.5«
11.31
0.90
0.00
1.64
9.64
3.37
29.40

0.00
0.44
0.00
0.00
0.00
3.9f
0.09
4.. IV


85 km/h

0.24
0.00
0.00
0.00
0.00
0.15

0.39


0.00
O.li
0.00
0.00
0.00
0.00
0.06
0.1"

0.00
0.00
0.00
0.00
0.00
0.09
0.08
0.17
 Includes acrolein and propanol


b
 Artifact


CDoes  not include isobutyraldehyde and crontanaldehyde



dGroup five consists of p-ethylphcr.ol, 2-ifopropylphenol, '. "«, -xyl °l ,
nl ,  2,4, fi-tri mpfhyl nh

-------
                           TABLE  13  (Cont'd).    ALDEHYDE  AND PHENOL EMISSION DATA
Fuel Type
Fuel Code, EM -

Cycle
Aldehydes, mg/km
Formaldehyde
Acetaldehyde
Acetone3
Isobutyraldohyde
Croton aldehyde
Hexarvldehyde
Benzaldehyde
"Total0 "
Phenols, mg/km
Filtered Samples
Phenol
Salicylaldehyde
m-Cresol +p-Cre sol
Group FJ.VIG ^
2 , 3, 5-trime thylphenol
2,3,4, 5, -tetrame thylphenol
2-n-propylphenol
"Total"
Unfiltered Samples
Phenol
Salicylaldehyde
m-Cresol+p-Cresol
Group Fivec
2, 3, 5-trime thylphenol
2,3,5, 6-tetrame thylphenol
2-n-propylphenol
"Total"
395-F + Shale Oil Cut '1.0.05%N
A1d~f

Cold FTP

0.00
0.00
0.00
12.68b
0.00
0.00
—
0.00


0.00
223. 2J
0.00
0.00
0.00
0.00
12.19
235.40

0.00
0.78
0.00
0.00
0.00
0.00
12.19
12.97

Hot FTP

0.00
0.00
0.00
13.78b
6.07
0.00
—
0.00


0.00
37.28
0.00
0.00
0.00
0.00
2. OH
39.36

0.13
0.00
0.00
0.00
0.00
0.00
0.00
0.13
Calculated
1981 FTP

0.00
0.00
0.00
13.31b
3.46
0.00
—
0.00


0.00
121.53
0.00
0.00
0.00
0.00
6.43
127.96

0.0>>
0.34
0.00
0.00
0.00
0.00
5.24
5.6l?
395-F +Exxon "HAN", 30% Aromatic

Cold FTP

2.08
0.00
0.00
0.00
0.00
0.00
—
2. OH


0.00
0.77
0.00
0.00
0.00
0.00
0.00
0.77

0.00
0.00
0.00
0.03
0.00
0.00
0.00
0.0 j

Hot FTP

3.34
O.OC
0.00
0.00
0.00
0.00
--
3.34


0.00
0.39
0.00
0.00
0.08
0.11
0.00
0.5H

0.00
0.00
0.00
0.14
0.00
0.22
0.00
0.31".

1981 FTP

2. HP
0.00
0.00
0.00
0.00
0.00
—
2.79


0.00
0.55
0.00
0.00
0.05
0.06
0.00
0.66

0.00
0.00
0.00
0.09
0.00
0.13
0.00
0.22

85 \m/h


__
	
—
—
—
—
—


0.00
0.2i
0.00
0.00
0.00
0.05
0.00
0.20


—
—
—
—
—
—
—
395-F + olefin pkq., ^7% olefin^

CoJJ FTP

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.00
o..'u
0.00
0.00
0.00
0.2i1

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

II. .1 FTP

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.00
0.14
0.00
0.00
0.00
0.14

0.00
0.00
0.00
0.00
O.OC
0.00
0.00
0.00

1 ''I* I 1 'IV

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.00
0.1'
0.00
0.00
0.00
o.n

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
 Includes acrolein and propanol
b
 Artifact
c
 Does  not include isobutyraldehyde and crontanaldehyde

 Group five consists  of p-ethylphenol, 2-isopropylphenol,  2,3-xylenol,  3,5-xylenol, 2,4,6-trimethylphenol

-------
                           TABLE 13  (Cont'd).   ALDEHYDE  AND PHENOL  EMISSIONS DATA
Fuel Type
Fuel Code, EM-

Cycle
Aldehydes, ing/km
Formaldehyde
Acetaldehyde
Acetone3
Isobutyraldehyde
Crotonaldehyde
Hexanaldehyde
Benzaldehyde
"Totalc "
Phenols, mg/km
Filtered Samples
Phenol
Salicylaldehyde
m-Cresol+p-Cresol
Group Fived
2,3, 5-trimethy Iphenol
2,3,5 ,6-tetramethy Iphenol
2-n-propy Iphenol
"Total"
Unfiltered Samples
Phenol
Salicylaldehyde
m-Cresol+p-Cresol
Group Fived
2,3,5 -trimethy Iphenol
2,3,5 ,6-tetramethy Iphenol
2-n-propy Iphenol
"Total"
395-F + light ends
448-F

Cold FTP

7.66
0.97
0.00
0.00
0.00
0.00
—
8.63


0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

Hot FTP

2.76
5.07
0.00
0.89
0.17
0.00
—
7.83


0.00
0.00
0.00
0.36
0.00
0.00
0.00
0.36

0.00
0.00
0.00
o.oo
0.00
5.25
0.00
5.25
Calculated
1981 FTP

4.87
3.31
0.00
0.51
0.10
0.00
—
8.18


0.00
0.00
0.00
0.21
0.00
0.00
0.00
0.21

0.00
0.00
0.00
0.00
0.00
2.99
0.00
2.99
JP-7


Cold FTP

3.27
0.00
0.00
0.00
0.00
0.00
—
3.27


0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

0.00
0.00
0.00
0.00
0.00
1.13
0.00
1.13
40

Hot FTP

4.71
1.41
0.00
0.00
0.00
0.00
—
6.12


0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
-F
Calculated
1981 FTP

4.09
0.80
0.00
0.00
0.00
0.00
—
4.89


0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

0.00
0.00
0.00
0.00
0.00
0.49
0.00
0.49


85 km/h

3.57
0.46
0.83
0.00
0.00
0.00
—
4.86


0.00
0.00
0.00
Trace
0.00
0.00
0.00
Trace

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
395-F + 30% pure aromatics
460 -F
Calculated
Cold FTP Hot FTP 1981 FTP

0.00 0.00 0.00
0.00 0.00 0.00
0.00 0.00 0.00
0.00 0.00 0.00
o.oo o.oo o.oo
0.00 0.00 0.00
— — —
0.00 0.00 0.00


0.00 0.00 0.00
0.00 0.20 0.11
0.00 0.00 0.00
0.00 0.08 0.05
0.00 0.00 0.00
1.02 1.20 1.14
0.00 0.00 0.00
1.02 1.48 1.30

0.00 0.00 0.00
0.00 0.00 0.00
0.00 0.00 0.00
0.00 0.00 0.00
0.00 0.00 0.00
0.28 0.56 0.44
0.00 0.00 0.00
0.28 0.56 0.44
aincludes acrolein and propanol




 Artifact



cDoes not include isobutyraldehyde and crotanaldehyde




 Group five consists of  p-ethyIphenol, 2-isopropyIphenol,  2,3-xylenol, 3,5-xylenol, 2,4,6-trimethylphenol

-------
                        TABLE  13  (Cont'd).   ALHDEYDE  AND  PHENOL  EMISSIONS  DATA
Fuel Type
Fuel Code, EM-

Cycle
Aldehydes, mg/km
Formaldehyde
Acetaldehyde
Acetone3
Isobutyraldehyde
Crotonaldehyde
Hexan aldehyde
Benzaldehyde
"Total0"
Phenols, mg/km
Filtered Samples
Phenol
Salicylaldehyde
m-Cresol+p-Cresol
Group Fivea
2, 3,5-trimethylphenol
2, 3, 5, 6-tetramethylphenol
2-n-propylphenol
"Total "
Unfiltered Samples
Phenol
Salicylaldehyde
m-Cresol+p-Cresol
Group Five**
2,3,5, -trimethylphenol
2, 3, 5, 6-tetramethylphenol
2-n-propylphenol
"Total"
395-F + heavy ends
461-F

Cold FTP

5.51
0.00
1.72
0.00
0.00
0.00
—
7.23


0.00
0.00
0.00
0.33
0.00
0.95
0.00
1.28

0.00
0.00
0.00
0.00
0.00
8.21
0.00
8.21

Hot FTP

7.75
0.00
2.29
0.00
0.00
0.00
—
10.04


0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

0.00
0.44
0.00
0.25
0.00
0.00
0.00
0.69
Calculated
1981 FTP

6.79
0.00
2.04
0.00
0.00
0.00
—
8.83


0.00
0.00
0.00
0.14
0.00
0.41
0.00
0.55

0.00
0.25
0.00
0.14
0.00
3.52
0.00
3.91
H320 Base Stock
395-F

Cold FTP

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.00
0.00
0.00
4.18
0.00
4.18

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

Hot FTP

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.19
0.22
0.00
0.00
0.00
0.41

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Calculated
1981 FTP

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.11
0.13
0.00
1.80
0.00
2.04

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

85 km/h

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
434-F +0.7% DII-3
463-F

Cold FTP

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.00
0.41
0.00
0.00
0.00
0.41

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

Hot FTP

0.00
0.00
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00

Calculated
1981 FTP

0.00
o.oo
0.00
0.00
0.00
0.00
—
0.00


0.00
0.00
0.00
0.18
0.00
0.00
0.00
0.18

0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Includes acrolein and propanol
Artifact
Does  not include  isobutyraldehyde and crontanaldehyde




Group five consists of p-ethylphenol, 2-isopropylphenol,  2,3-xylenol,  3,5-xylenol,  2,4,6-trimethylphenol
d

-------
minimum detection limit for each of the aldehydes is listed below:

               formaldehyde         0.18 mg/km
               acetaldehyde         0.25 mg/km
               acetone              0.30 mg/km
               isobutyraldehyde     0.36 mg/km
               crotonaldehyde       0.35 mg/km
               hexanaldehyde        0.45 mg/km
               benzaldehyde         0.46 mg/km

The minimum detection limit for "total" aldehydes must be determined for
each case, by summing limits for individual aldehydes whose concentrations
were summed to represent the total.

     The aldehyde data are somewhat scattered, with few trends apparant.
When aldehydes were detected, they were usually in the form of formaldehyde
and/or acetaldehyde.  Of some interest are the high formaldehyde and
acetaldehyde observed with fuel EM-405-F  (base + isoquinoline at 0.1%N)
during the cold FTP.  Values of this magnitude were not detected on any
of the other fuels.  During the hot FTP, these aldehyde emissions were
absent.  One possibility is that during cold start-up, a substantial
amount of raw fuel entered the DNPH impingers and reacted in such a way
as to create an artifact.  Another possibility is that in the cold combustion
chamber, isoquinoline, present in the fuel, caused incomplete oxidation
of fuel constituents.  The light-end and heavy-end blends also exhibited
increases in aldehydes.

D.   Phenol Results

     Phenols as measured in filtered and unfiltered dilute exhaust are
presented in Table 13.  The phenol species were analyzed for having molecular
weights very near each other.  Their minimum detection limits therefore
are represented by one value, namely 0.10 mg/km.  As discussed earlier
in the report, filtered and unfiltered samples were collected because
procedural qualification was not complete at project initiation.

     In most cases, the filtered phenols  exhibited higher values than
unfiltered phenols.  Exactly why this phenomenon occurred remains
speculative.  One possibility is that phenols were being absorbed by
the particulate in the exhaust, and were  later released from the trapped
particulate on the heated filter.  It was not within the scope of this
project to investigate this phenomenon.

     The most obvious variation in results was the very high  (223 mg/km)
emission of salicylaldehyde in the cold FTP filtered sample indicated  for
the shale oil blend, EM-430-F.  This value is over 60 times the phenol
emissions of the base fuel.  The only other pronounced increase in phenols
occurred while testing EM-405-F.  This blend, containing isoquinoline,
exhibited high filtered phenols during the cold FTP, but not the hot FTP.
This trend for that fuel also occurred in its aldehyde emissions.  The
remaining fuels exhibited slight changes  from the base fuel, EM-395-F.
                                     46

-------
E.   Results of Odor Analysis

     This subsection contains results from instrumental odor evaluations.
It should be noted that application of DOAS to dilute exhaust and transient
cycles is experimental at this time.  Relationships between steady-state
operation and transient cycles are not adequately defined.  The application
of DOAS in the study was to determine trends between test fuels.

     A previous study(7) included an attempt to correlate DOAS odor analysis
with a trained odor evaluation panel.  In that study, five vehicles were
operated on 7 steady-state modes sampling raw exhaust for the DOAS instrument
and dilute exhaust for the panel.  One vehicle was the same Mercedes 240D
used in this study.  The study indicated that the Mercedes 240D odor
                                                                (71
intensity was unaffected by speed and load changes.  That studyw' also
indicated that TIA of 1.5 to 2.5 related somewhat to Turk "D" ratings of
"D"-2.0 to "D"-4.5.

     The DOAS odor results are presented in Table 14.  TIA values calculated
from both LCO and LCA concentrations are listed for reference.  Odor
intensity is represented by the higher TIA value for each fuel.  The TIA
values (LCO-based) for the base fuel EM-395-F are less than 1.0.  The earlier
study'''  indicated that a TIA  (LCO-based) of less than 1 would be rated by
a trained panel at less than "D"-1.0.  A perceived odor intensity of "D"-1.0
by the Turk method is considered a light (barely perceptible) odor, and one
which to most people would have low objectionability.  The test blends there-
fore resulted in low odor intensity with the possible exceptions of EM-434-F,
EM-438-F, and EM-448-F.  Even these fuels indicated TIA values that approached
the limits of detectability.  The base fuel EM-395-F exhibited the lowest
odor intensity.
                                    47

-------
                                          TABLE 14 .  DOAS  ODOR RESULTS

Order of Test
1
2
3
4
5
6
7
8
9
10
11
12

Fuel Code
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-46 1-F
EM-395-F
EM-46 3-F

Fuel Description
H320 base fuel
395-F + isoquinoline
395-F ++ isoquinoline
395-F + shale oil cut
395-F + heavy aromatics
395-F + olefins
395-F + light ends
JP-7
395-F + pure aromatics
395-F + heavy ends
H320 base fuel
434-F + cetane improver

LCO, yg/£
0.02
0.01
0.95
0.02
2.02
2.84
2.23
0.00
0.77
1.23
0.37
1.13

LCA, yg/£
1.73
2.56
6.28
1.73
3.35
5.76
3.81
2.62
5.68
4.48
2.84
4.40
TIA
LCO
0
0
0.98
0
1.31
1.45
1.35
0
0.89
1.09
0.57
1.05
LCA
0.57
0.69
0.96
0.57
0.77
0.93
0.81
0.69
0.93
0.86
0.72
0.85
oo

-------
             VII.  SMOKE AND PARTICULATE EMISSION RESULTS

     This section of the report presents summary data and discussion on
visible smoke, total particulate mass emissions, particle size distribution,
and particulate matter elemental analysis.  In addition, it includes infor-
mation on organic solubles in particulate matter, elemental analysis of the
solubles, BaP in solubles, and boiling range of organic solubles by gas
chromatograph analysis.
A.
Visible Smoke Emissions
     Visible smoke was measured using an EPA-type smokemeter over the
first 505 seconds (the "cold transient phase") of the FTP.  Data, taken
on a 2-pen strip chart recorder, consisted of vehicle speed and smoke
opacity versus time.  The traces, which were analyzed manually, are
located in Appendix E, Pages E-2 through E-ll.  The results are summarized
in Table 15.

                    TABLE 15.  SUMMARY OF VISIBLE SMOKE DATA

Condition
Cold start peak
Cold idle O.K.
(after start)
1st accel- peak
Idle at 125 sec. ,
O.K.
Accel at 164 sec. ,
peak
Smoke, PHS %, by fuel
395
21.7
6.0
26.1
2.1
5.0
401
12.3
6.1
18.8
1.1
8.8
404
31,5
8.0
20.8
1.0
5.1
405
21.2
6.0
19.6
1.2
6.0
430
	
	
	
	
	
434
42.8
6.3
14.4
2.0
9.1
438
14.5
5.5
16.0
1.2
4.8
448
26.7
5.6
28.9
0.7
5.0
460
22.4
6.8
46.7
2.4
12.7
461
27.0
6.2
29.2
2.4
8.9

463
17.6
7.4
23.8
2.6
21.0
     The data indicate that some fuel blends increased, and some decreased
visible smoke production compared to base fuel.  The olefin blend, EM-438-F,
exhibited smoke reductions for all five cycle portions analyzed.  The greatest
smoke increase occurred with EM-434-F, heavy aromatics.  It is interesting
that with addition of cetane improver to the heavy aromatic blend  (EM-463-F)
the smoke level was reduced during the cold-start peak to below that of the
base fuel, EM-395-F.  On the other hand, the cetane-improved blend exhibited
the highest smoke levels of all test fuels at the 164 second acceleration.
                                    49

-------
B.   Particulate Mass Emissions and Concentrations

     Total particulate emissions were measured by six different filtering
systems.  Only the 47 mm Pallflex filter was used strictly for particulate
mass rate determinations.  The remaining five types of filters were used
primarily for other analyses.  These five types were also used to calculate
particulate mass rates for comparison of various filter media on mass
results, and where an identical medium was used, to give support.  The
particulate mass rates determined using the 47 mm Pallflex filters are
those which represent rates as prescribed by Federal Procedures.(D

     Particulate mass rates in mg/km are presented in Table 16.  These
results show that the rates as determined by Fluoropore (Teflon membrane)
filters are noticeably lower than those determined by the other filtering
systems.  This difference reflects the relatively low exhaust particulate
collection efficiency of Fluoropore filters.  The remaining media tend to
exhibit rates in the same "ballpark".

     Results in Table 16 indicate that the light-ends fuel blend, EM-448-F,
reduced particulate emissions by approximately 14 percent as compared with
the base fuel, EM-395-F.  The two blends containing aromatics, EM-434-F
and EM-460-F, were associated with increases in particulate emissions of
about 27 percent.  The addition of the cetane improver to EM-434-F (EM-463-F)
increased the particulate emissions even more, to about 68 percent over base
fuel EM-395-F.  It is also of some interest that the heavy-end blend,
EM-461-F, apparently did not cause an increase in particulate emissions, as
might have been expected.

     In order to give another perspective, Tables 17 and 18 present the
particulate emissions in units of g/hr and mg/m^, respectively.  These
data help to bring out those values that are significant, and to suppress
those that indicate very little change.  It should be noted that the olefin
blend, EM-434-F, did reduce particulate emissions approximately  15 percent.
Other than the aromatic blends previously discussed, the remaining fuel
blends apparently did not affect the particulate mass emission rate as
compared to EM-395-F.

     1.  Samples Collected for Nitroaromatic Analysis

         Gaseous emission results, particulate mass weights, and other
information regarding the acquisition of "20x20" filters for nitroaromatic
analysis by Battelle  (via HERL-EMSL contract) are located in Appendix E,
pages E-20 through E-26.  Sample treatment and results obtained  by Battelle
were not intended to be included in this report.

C.   Particulate Size Distributions

     Data from the impactor runs were analyzed,  including individual run
and average percentages of particulate mass by  stage, and cumulative per-
centages of particulate by stage.  Basic statistics were computed  for each
data set.
                                    50

-------
TABLE 16.-  PARTICULATE MASS EMISSIONS

Sampling Medium
47 mm Pallflex











47 mm Glass Fiber











47 mm Fluoropore












Fuel
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM- 4 38 -F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-395-F
EM-463-F
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-395-F
EM-463-F
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-395-F
EM-463-F
Milligrams Particulate per Kilometer

Cold FTP
174
173
175
206
205
161
155
159
233
172
178
285
176
173
186
198
—
182
150
180
235
172
171
298
124
106
106
—
154
—
--
90
160
109
99
154

Hot FTP
158
153
153
160
218
151
133
144
208
150
175
288
157
158
165
171
246
146
134
166
226
168
163
301
116
79
98
69
154
—
—
87
113
84
86
148
(Calculated)
1981 FTP
165
162
162
180
212
155
142
151
219
159
176
287
165
165
174
182
—
167
143
174
230
170
166
300
119
91
101
—
154
—
—
89
133
95
92
151
Steady-State
85 km/h
100
—
81
—
163
—
—
86
.._
—
99
—
104
—
86
—
152
—
—
90
—
—
109
—
71
—
55
—
60
—
—
46
—
—
52
— —
                 51

-------
TABLE 16  (CONT'D).  PARTICULATE MASS  EMISSIONS

Sampling Medium
47 mm Silver











Impactor Set
20 x 20 Pallflex












Fuel
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM- 4 01 -F
EM-460-F
EM-461-F
EM-395-F
EM- 46 3 -F
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-395-F
EM-463-F
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-395-F
EM-463-F
Milligrams Particulate per Kilometer

Cold FTP
196
—
—
—
222
168
147
181
237
177
176
287

Hot FTP
144
—
—
158
166
140
134
180
206
145
152
278
(Calculated)
1981 FTP
167
—
—
—
190
152
140
180
219
159
162
282
> 1 °?
. 1 AO
, 1 AC
. 1 QR
. 1 TQ
. 119
. 137
r 137
. °6Q
, 153
• 185
. ?85

185
176
182
202
222
166
155
178
242
180
187
295
166
156
157
185
224
152
139
153
225
157
168
284
175
164
168
192
223
158
146
164
232
167
176
289
Steady-State
85 km/h
	
—
—
—
157
—
—
101
—
—
105
—
97
88
100
74
—

102
—
98
—
153
—
—
93
—
—
97
—
                       52

-------
       TABLE 17.  TIME-BASED PARTICULATE EMISSIONS
Fuel
EM- 39 5 -F
EM-404.F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-395-F
EM-463-F
Grams Particulate per hour
Cold FTP
5.87
5.35
5.85
6.63
6.79
4.93
4.77
5.03
6.76
5.32
5.53
8.86
Hot FTP
5.17
4.98
5.19
5.06
6.92
4.40
4.14
4.38
6.66
4.72
5.43
8.86
(Calculated)
1981 FTP
5.47
5.14
5.47
5.74
6.87
4.63
4.41
4.66
6.70
4.98
5.47
8.86
85 km/h
9.33
—
7.35
—
11.07
—
—
6.69
—
—
8.22
—
based on data from 47 mm Pallflex filter samples
         TABLE 18.  PARTICULATE CONCENTRATIONS
Fuel
EM- 39 5 -F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-395-F
EM-463-F
Particulate Concentration in mg/m^
Cold FTP
58.0
52.8
57.8
65.5
67.1
48.7
47.2
49.7
66.8
52.6
54.7
87.6
Hot FTP
51.8
50.0
52.1
50.8
69.5
44.2
41.6
43 9
66.8
47.4
54.5
87.6
(Calculated)
1981 FTP
54.4
51.2
54.5
57.1
68.5
46.1
44.0
46.4
66.8
49.6
54.6
87.6
85 km/h
57.9
—
45.6
—
68.7
—
—
41.5
37.8
—
51.0
—
based on data from 47 mm Pallflex filter samples
at 101.3 kPa and 21°C
                           53

-------
     One impactor data set was collected per test fuel, with the exception
of the base fuel runs.  The impactor was run on each of four base fuel runs
to evaluate the "new" impactor system and for statistical purposes.  Table
19 lists the impactor results for the four base fuel runs and shows the
type of repeatability and variability that can be applied to the indivi-
dual runs on each test.

     Table 20 lists the particle size distribution as percent of the total
particulate mass for each test, and Figure 12 presents these data graphically.
In most cases, the majority of the particulate mass was under 0.08 urn diameter
because the backup filter collected the largest percent of the particulate
mass.  Figure 12 shows that the combined distribution of all test blends
is very similar to the base fuel (EM-395-F) four-run average.  This
observation is interesting in that each fuel blend exhibited a unique
particle distribution.  Probable cause for this observation is the large
variability at each stage, as seen in Table 19.  It is interesting to note
that although EM-463-F (base + H.A.N. + cetane improver) was associated
with higher particulate mass emissions, it generated more small particles
than the same fuel without cetane improver (EM-434-F).

     Data such as those presented in Table 20 can also be expressed in
cumulative mass percent of particulate smaller than stage cutoff diameter,
beginning with the filter and working up through the sampler toward larger
agglomerate diameters.  The table in Appendix E, Page E-12, lists such
data and associated statistics.  Data presented in this form reflect
the total percent particulate collected at and below a particular cutoff
diameter.

D.   Analysis of Particulate Composition

     This subsection includes data on major elements and trace elements.
Carbon, hydrogen, and nitrogen analysis was performed on particulate
collected using 47 mm glass fiber filters.  Oxygen analysis was performed
on particulate collected using 47 mm silver membrane filters.  Particulate
collected on 47 mm Fluoropore filters was analyzed for trace elements.

     A summary of the carbon, hydrogen, and nitrogen content of the parti-
culate matter is given in Table 21.  The elemental data show fairly high
carbon content, indicative of "dry" or soot-like particulate material
rather than oily material.  Nevertheless, the particulate carbon content
did vary among the test blends used.  Fuel blend EM-448-F  (light ends)
exhibited the highest carbon percentage on the cold FTP.  This result was
unexpected because of the ease with which light paraffins burn.  For the
most part, the data are scattered, with no clear trends.

     A previous study     indicated, as does this one,  that a large fraction
of particulate matter is  unaccounted for by the sum of carbon, hydrogen,
and nitrogen.  A logical  element to "look for" was oxygen.  At project
initiation, it was planned to attempt analysis of particulate matter for
oxygen.  The method used  has been discussed earlier in the report.  Oxygen
                                    54

-------
         TABLE 19.  BASE FUEL PARTICULATE SIZE DISTRIBUTION DURING A COMBINED  COLD AND HOT  FTP
Run
1
2
3
4
Percent of Total Particulate Mass
Stage 3
6.6 yma
3.533
1.041
1.719
2.786
Stage 4
4.1 ym
1.536
3.892
3.582
2.089
Stage 5
2.6 ym
2.304
4.801
1.289
3.203
Stage 6
1.1 ym
1.536
4.020
3.152
8.217

Average
Vmax
Vmin
S.D.
Range
Vari . , %
2.270
3.533
1.041
1.107
2.492
48.766
2.775
3.892
1.536
1.141
2.356
41.116
2.899
4.801
1.289
1.490
3.512
51.377
4.231
8.217
1.536
2.850
6.681
67.346
Stage 7
0 . 85 ym
4.455
2.980
4.441
4.178
Stage 8
0.54 ym
2.611
2.724
2.865
7.382
Stage 9
0 . 34 ym
1.997
2.982
4.298
11.003
Stage 10
0.08 ym
4.608
3.632
7.880
10.306
Filter
77.419
66.151
70.774
50.836
Vehcile Total
Particulate, g^
4.014
4.104
3.723
4.282

4.014
4.455
2.980
0.701
1.475
17.458
3.896
7.382
2.865
2.327
4.517
59.727
5.070
11.003
1.997
4.066
9.006
80.199
6.607
10 . 306
3.632
3.063
6.674
46.367
66.295
77.419
50.836
11.296
26.583
17.039
4.031
4.282
3.723
0.233
0.559
5.791
effective cutoff diameter
based on 47 mm Pallflex

-------
    TABLE  20.  PARTICLE  SIZE  DISTRIBUTION  OF PARTICULATE COLLECTED WITH  IMPACTOR











Ul
CTi









Fuel Code
EM-
395-F
395-F
395-F
395-F
404-F
404-F
405-F
405-F
430-F
434-F
438-F
448-F
401-F
401-F
460-F
461-F
395-F
395-F
463-F
ode
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
-F
Cycle
FTP
85 km/h
85 km/h
FTP
FTP
FTP
FTP
85 km/h
FTP
FTP
FTP
FTP
FTP
85 km/h
FTP
FTP
FTP
FTP
FTP
Percent of Total Particulate
Stage 3
6.6 vima
3.533
0.204
0.000
1.041
0.000
0.155
0.648
0.000
3.383
0.000
0.000
2.772
1.718
0.000
1.252
0.000
1.719
2.786
2.041
Staye 4
4.1 ym
1.536
0.409
0.000
3.892
0.000
0.000
0.324
0.388
3.800
1.393
2.978
1.188
0.000
0.000
0.096
3.731
3.582
2.089
1.952
St.i.jc 5
2.6 ym
2.304
2.454
0.000
4.801
0.193
2.009
0.000
0.581
5.283
1.084
3.762
6.535
3.626
0.000
1.541
2.425
1.289
3.203
1.413
Sta<;e 6
1.1 Urn
1.536
0.204
0.209
4.020
0.387
0.000
4.862
0.581
5.706
7.743
5.486
1.386
1.908
1.734
0.385
0.933
3.152
8.217
7.064
S-cage 7
0.85 vim
4.455
0.818
0.418
2.980
1.161
6.646
4.862
1.357
6.230
0.000
4.702
5.545
2.863
0.000
0.289
2.799
4.441
4.178
0.628
Staje 8
0.54 pm
2.611
0.613
0.626
2.724
1.934
3.709
3.079
2.326
4.861
7.592
3.135
4.356
1.527
4.348
4.528
1.119
2.865
7.382
1.727
Stage 9
0. 34 pm
1.997
0.818
0.835
2.982
2.708
1.855
1.945
4.457
3.170
10.372
4.389
3.168
4.771
1.449
4.624
2.799
4.298
11.003
2.512
Stage 10
0.08 pro
4.608
2.863
2.923
3.632
2.515
4.791
2.755
0.000
4.651
12.384
5.643
8.515
6.107
4.348
9.152
0.373
7.880
10.306
1.727
Filter
77.419
84.663
95.198
66.151
91.683
80.835
81.524
90.310
62.942
59.443
69.906
66.535
77.481
88.116
77.938
85.821
70.77
50.84
80.926
Vehicle Total
Particulate
g/cycleb
4.01
2.79
2.96
4.10
3.74
4.10
4.30
2.31
4.45
5.21
3.89
2.99
3.62
2.22
5.21
3.82
3.72
4.28
6.76
effective cutoff diameter
based on 47 mm Pallflex

-------
12-
10-
oP
8-
Weight,
; F-J t, 0^
All Fuels 12-
10-
(#p
8-
— I , , -H 4-
| | | | 0)
EM-395-F 12-
10-
0\°
. 8-
TMn] f^i
EM-404-F


U n
10 9876543 10 987 6 543 10 9876543
Stage Stage Stage
12-
* 10-
- 8-
-P
•C (,.
tn D
S 4.

EM-405-F 12-|
* 10"
8-
J 6.
"^
•H 4-
~~| 1 S 2-
1 t— 1 	 1 n
EM-430-F 12'
* 10'
. 8-
r~i— -c 6-
— | I— |~1_^ ? 4-
n 1 n~i * '"
— | EM-434-F

,


-n
10 9876543 10 9 87 6 543 10 9876543
Stage Stage Stage
12
10-
* 8-
-u 6.
£
31 „
H 4-
0)
S 2-
EM-438-F 12"
*o 10-
4-1
XI (T.
	 [ [ 1 1 	 -
•H
1 tu 4-
s ,
^-run
EM-461-F )2n
* 1 0-
f-
-P
•& W
TU^^ *'
EM-463-F




-n- T-m
10 9 876 5 43
    Stage
10 9 8 7^  5 5  3
     Stage
                                                                   10 9  8 7
                                                                        Stage
Figure 12.  Weight percentage of particulate matter  collected by impactors stage  during an FTP.

-------
 TABLE 21.  CARBON, HYDROGEN, AND NITROGEN  IN EXHAUST  PARTICULATE MATTER
Fuel
EM-395-F
EM-404-F
EM-405-F
EM-430-F
EM-434-F
EM-438-F
EM-448-F
EM-401-F
EM-460-F
EM-461-F
EM-463-F
Cycle
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
Percent
Carbon
85.8
89.6
77.2
86.0
87.9
84.5
87.1
84.8
79.7
80.3
84.0
78.5
85.1
81.1
77.2
95.8
76.6
85.3
73.9
82.7
86.0
84.0
82.7
76.3
82.9
82.7
Hydrogen
3.7
4.7
5.9
5.0
5.6
5.4
5.0
6.5
2.5
2.6
2.8
2.2
2.6
6.1
6.1
3.7
2.9
2.6
2.6
4.7
2.1
2.1
2.4
2.4
1.5
1.5
Nitrogen
0.28
0.26
0.26
<0.10
<0.10

-------
analysis for particulate generated using each fuel is located in Appendix E,
page E-13, along with other analyses.  In some cases the oxygen appears to
account for the "missing" material.  In other cases, the oxygen analysis
would account for far too much of the elemental composition  (i.e., C + H +
N + 0 percentage greater than 100).  Additional work is needed to qualify
oxygen analysis of particulate matter, because all the widely used bulk
analysis techniques have difficulties with particulate matter.

     Data on trace elements are given in Appendix E, pages E-15 through
E-17.  As a whole, these elements made up from about 0.6% to 2% of the
particulate mass.  The trace elements found most commonly in particulate
matter were iron, sulfur, calcium, and zinc; and to a lesser degree alu-
minum and magnesium.  Possible sources of iron and aluminum are wear
products from engine and exhaust systems.  Sulfur, calcium, and zinc are
probably attributable to fuel sulfur and lubricating oil additives.  An
interesting observation is the increase of silicon during operation with
the shale oil additive blend, EM-430-F.  The increase may be related to
contaminants introduced during shale oil extraction.

E.   Composition of Organic Solubles in Particulate Matter

     The amounts of organic solubles extracted from particulate matter
collected on "20x20" filters are listed in Table 22.  All blends containing
aromatics resulted in slightly less organic soluble matter than the base
fuel.  Solubles were about the same for the fuel containing aromatics and
cetane improver  (EM-463-F) as they were for the fuel with these same
aromatics only  (EM-434-F).  Olefins, light ends, and heavy ends were
associated with increases in the amount of organic solubles.  The 85 km/h
results are also of some interest.  The amount of organic solubles doubled
(as compared to base fuel) on the three of the four blends tested.  The
three blends exhibiting high organic solubles at 85 km/h all had high
paraffin content.  The other blend, EM-434-F, contained 30 percent aromatics.
Previous work(6) On this vehicle, using commercially available fuels,
indicated about the same organic soluble content of the particulate matter
on either an FTP or an 85 km/h cruise.  All the fuels in that study
contained over 12 percent aromatics.  It is possible that highly paraffinic
fuels create more variability in soluble fraction due to operating schedule
variations than fuels with more aromatics.

     1.  Major elements in organic solubles

         A portion of the organic soluble material was analyzed for carbon,
hydrogen, nitrogen, sulfur, and oxygen.  The results are given in Table 22.
All the elemental data are indicative of hydrocarbon-like materials  (numeric
H/C ratio between 1.31 and 1.72).  Sulfur and nitrogen are low.  No apparent
increase in nitrogen was seen as result of isoquinoline addition to the
fuel.  The oxygen levels varied somewhat, but with no clear trends detected.
                                    59

-------
        TABLE  22.   COMPOSITION OF ORGANIC SOLUBLES FROM PARTICULATE MATTER


Fuel
EM-395-F



EM-404-F
base + iso.
EM-405-F
base ++
iso.
EM-434-F
heavy
aro.
EM-438-F
olefins
EM-448-F
light-ends
EM-401-F
alt base

EM-460-F
pure aro.
EM-461-F
heavy-ends
EM-463-F
434+cet.


Cycle
FTPC
FTPh

85 km/h
FTPC
FTPh
FTPC
FTPh
85 km/h
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
; FTPh
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
5 FTPh
FTPC
FTPh

Percent
Carbon
78.6
77.3

79.0
78.5
74.5
74.9
83.7
84.5
72.0
71.4
75.7
74.5
75.9
73.0
76.6
80.1
78.3
74.6
82.1
82.6
83.0
82.4
82.8
81.7
Hydrogen
10.9
10.5

10.7
10.8
9.9
10.4
12.8
13.1
8.5
8.5
9.9
9.4
10.0
9.1
10.6
11.5
11.1
9.0
12.0
12.2
12.3
12.5
12.4
12.3
Nitrogen
0.37
0.70

0.81
0.70
1.02
0.75
1.00
1.35
1.30
1.45
0.73
1.35
1.32
0.97
1.63
1.02
1.39
1.56
0.23
0.21
0.20
0.25
0.23
0.25
Sulfur
0.88
0.75

0.60
0.32
0.32
0.37
0.38
0.73
1.64
0.44
0.92
0.66
0.67
0.58
0.62
0.51
0.51
0.75
0.40
0.39
0.43
0.45
0.44
0.55
Oxygen
6.7
8.5

8.3
8.2
—
—
—
—
12.3
13.0
8.9
13.1
12.6
14.7
9.1
5.7
7.0
11.5
—
5.5
4.3
5.1
4.3
5.5
Vehicle Total
Solubles
g/testa
0.314
0.334

0.857
0.268
0.274
0.251
0.182
0.708
0.332
0.345
0.707
0.331
0.316
0.388
0.325
0.265
0.286
0.693
0.333
0.363
0.337
0.297
0.402
0.412

% of Total
Particulate
14.8
15.8

30.1
13.0
13.7
11.5
9.7
28.9
12.8
13.1
16.4
17.6
18.8
18.4
19.1
13.8
17.1
31.2
12.9
14.4
16.6
16.5
11.9
12.2
Based on 47 mm Pallflex filter rate
                                        60

-------
     2.  Benzo-a-pyrene  (BaP) in Organic Solubles

         BaP in organic  solubles was determined initially by EPA's Research
Triangle Park laboratories as part of its in-house measurement program.
Originally, each filter  extract representing an FTP  (either cold or hot)
was analyzed separately  for BaP.  At the Project Officer's request, the
filter extracts from a cold FTP and a hot FTP from each fuel were combined,
and the analysis was performed by SwRI's Department of Emissions Research.
The results of these analyses are shown in Table 23.  Other, related data
are also shown.  The lowest BaP emissions occurred with the olefin blend,
EM-438-F, and the highest level was observed with the shale oil blend, EM-
430-F.  The shale oil blend increased the BaP emissions by a factor of 3.
This emission rate  (0.96 lag/km) is not considered significant.

     3.  Gas Chromatograph "boiling range" Analysis of Organic Solubles

         An additional aliquot of organic soluble material was submitted
for boiling range determination by gas chromatography.  The procedure was
plagued with hardware problems for over a year during the conduct of this
program.  The delays have resulted in some apparent polymerization of the
organic soluble material.  Table 24 lists the results of the analysis.
A previous study'6) indicated that the recovery of the material should be
between 60 and 90 percent.  Due to apparent polymerization, not all the
organic soluble material could be re-dissolved in the G.C. solvent.
Therefore, the weight of actual sample injected was not known accurately,
invalidating the quantitative analysis.  An example of a crude oil
("Altamont") and an organic extract chromatogram are located in Appendix E,
Figures E-l and E-2.  It is obvious from this experience that boiling
range determination by gas chromatography should be performed as soon as
possible after extraction.

F.      Mutagenic Activity of Organic Solubles

         Organic soluble extracts representing the fuels tested were subjected
to a complete series of Ames testing with five tester strains, in triplicate,
with and without metabolic activation.  The results, in revertants per micro-
gram of extract, are summarized in Table 25.  Two strains, TA-98 and TA-100,
were fairly sensitive to particulate organic extractables, while the remaining
three strains responded to a lesser degree.  All of the responses were relatively
low which was probably due to the clean base fuel.  There appeared to be a trend
towards higher activities with the aromatic blends.  The trends with the iso-
quinoline blends were inconclusive.  The heavy-end extended blend appeared to
have increased the activity somewhat.

     A comparison of distance-specific Ames activity is shown in Table 26.
Table 26 takes into account the particulate rate and percent organic extract-
ables of each fuel blend, resulting in Ames activity as revertants per kilo-
meter.  The largest increase in Ames response was associated with the heavy
aromatic naptha (HAN)-cetane improver blend (EM-463-F) on strain TA-100 without
activation.  Greater than a threefold increase occurred as compared to the base
                                   61

-------
                                            TABLE 23.  BaP PRESENT IN ORGANIC SOLUBLES
CABS
Sample No.
-79-700
-79-710
-79-20
-79-730
-79-740
-79-750
-80-761
-80-781
-80-931
-80-940
-80-961
i
-80-4101
-80-4111
-80-4121
-80-4131
-80-4141
-80-4151
-80-4161
-80-4171
-80-4181
-80-4191
Filter No.
PL-1507
PL-1508
PL-1510
PL-1511
PL-1517
PL-1518
PL-1522,-1524
PL-1525,-1526
PL-1529,-1530
PL-1535
PL-1536,-1537
5423-P20-30,-31
5423-P20-9,-10
5423-P20-61,-62
5423-P20-63,-64
5423-P20-7,-8
5423-P20-27,-28
5423-P20-26,-29
5423-P20-38,-39
5434-P20-32
5423-P20-11
Cycle
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
FTPC + FTPh
FTPC + FTPjj
FTPr + FTP,
'- f:
85 km/h
FTPC + FTPh
FTPC + FTPh
FTPC + FTPh
FTPC + FTPh
FTPC + FTPh
FTPC + FTPh
FTPC + FTPh
FTPC + FTPh
FTPC + FTPh
85 km/h
85 km/h
Fuel
EM-
395-F
395-F
404-F
404-F
405-F
405-F
430-F
395-F
434-F
434-F
438-F
395-F
401-F
404-F
405-F
448-F
460-F
461-F
463-F
395-F
401-F
Particulatc
Rate , mg/km
174
158
173
153
* 175
153
180
165
212
163
155
176
151
171
172
142
219
159
287
99
86
% Organic
Extractables
18.6
18.3
14.9
16.4
16.1
16.0
12.7
12.1
11.8
15.2
13.9
20.6
17.0
14.4
16.3
19.9
11.7
17.5
10.8
41.4
32.2
% BaP
in Extract
0.0014
0.0019
0.0010
0.0011
0.0013
0.0013
0.0042
0.0033
0.0015
0.0017
0.0010
0.0015
0.0028
0.0030
0.0022
0.0029
0.0033
0.0027
0.0015
0.0006
0.0014
BaP Rate
yg/km
0.47
0.58
0.25
0.26
0.37
0.33
0.96
0.65
0.37
0.41
0.21
0.27
0.42
0.52
0.37
0.51
0.73
0.43
0.43
0.06
0.12
en
tSJ

-------
                   TABLE  24. CHROMATOGRAPH ANALYSIS OF ORGANIC SOLUBLES  IN PARTICULATE  MATTER

Distillation Point
IBP
10% point
20% point
30% point
40% point
50% point
60% point
70% point
80% point
90% point
EP
Recovery, %,
Boiling Temperature at Distillation Point by Fuel, °C, During Cold FTPa
EM-395-F
280
376
398
419
441
462
486
533
-
-
—
74.5
EM-404-F
290
405
437
465
502
-
-
-
-
-
—
47.1
EM-405-F
288
384
407
429
450
469
493
536
-
-
—
74.4
EM-434-F
282
377
399
420
441
462
484
523
-
-
—
75.4
EM-438-F
282
378
399
419
437
456
474
498
551
-
—
82.6
EM-448-F
300
471
-
-
-
-
-
-
-
-
—
14.0
EM-401-F
280
383
408
431
454
477
515
-
-
-
—
66.2
EM-460-F
280
375
395
414
432
449
466
487
526
-
—
83.2
EM-461-F
289
404
449
511
-
-
-
-
-
-
—
33.7
EM-463-F
266
354
377
398
422
447
472
506
597
-
~~
80.0

Distillation Point
IBP
10% point
20% point
30% point
40% point
50% point
60% point
70% point
80% point
90% point
EP
Recovery, %,
Boiling Temperature at Distillation Point by Fuel, °C, During Hot FTP
EM- 39 5 -F
266
375
396
415
435
452
472
497
547
-
—
57.6
EM-404-F
287
403
432
457
481
519
-
-
-
-
—
56.3
EM-405-F
272
445
543
-
-
-
-
-
-
-
—
22.9
EM-434-F
277
379
402
424
446
467
493
545
-
-
—
73.0
EM-438-F
285
380
401
421
441
460
480
511
-
-
—
77.4
EM-448-F
274
458
-
-
-
-
-
-
-
-
—
15.4
EM-401-F
276
378
401
425
448
470
498
566
-
-
—
70.7
EM-460-F
280
374
395
414
433
451
469
490
530
-
—
82.8
EM-461-F
235
467
-
-
-
-
-
-
-
-
—
13.1
EM-463-F
274
374
397
419
442
464
488
530
-
-
—
75.4
possible quantitative inaccuracies due to  sample  storage

-------
TABLE 25.  SUMMARY OF AMES BIOASSAY ANALYSIS OF ORGANIC SOLUBLES FROM
               PARTICULATE MATTER COLLECTED DURING FTP
Fuel Code
EM-395-F

EM-404-F
EM-405-F
EM-430-F
EM-434-F

EM-438-F

EM-448-F
EM-401-F

EM-460-F

EM-461-F
EM-463-F

Description
base

base + isoquinoline
(0.05% N)
base + isoquinoline
(0.10% N)
base + shale
oil cut
base + "HAN"

base + olefins

base + light ends
JP-7

base + individual
aromatics
base + heavy ends
EM-434-F +
cetane improver
RLI-16
Activation
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Model Predicted
Mean Slope, revertants/pg extract
TA-1535
0.0
0.0
0.0
0.1
0.0
0.2
0.3
0.0
0.0
0.1
0.0
0.0
0.0
0.1
0.0
0.1
0.0
0.1
0.0
0.1
0.0
0.1
TA-1537
0.2
0.3
0.7
0.5
0.1
1.1
0.2
0.2
0.7
0.5
0.1
0.2
0.4
1.3
0.2
0.3
0.7
0.4
0.3
0.5
0.7
0.6
TA-1538
0.7
0.4
1.7
1.0
0.5
0.9
0.6
0.7
1.7
1.1
0.3
0.5
0.9
0.7
1.4
0.9
1.7
0.9
1.2
1.0
1.7
0.9
TA-98
3.2
0.9
3.3
3.0
1.9
0.8
1.3
1.0
3.7
1.1
0.8
1.3
4.1
0.9
3.0
3.3
3.5
2.9
3.6
2.7
5.7
2.5
TA-100
3.9
1.9
5.1
1.9
5.5
1.3
4.9
1.9
6.9
2.2
3.0
1.2
3.3
1.4
—
1.4
8.7
2.6
6.6
2.3
14.0
2.4
                                   64

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         TABLE  26.  AMES BIOASSAY ANALYSIS  RESULTS  IN  REVERTANTS  PER
                             DISTANCE DURING FTP
Fuel Code
EM-395-F

EM-404-F

EM-405-F

EM-430-F

EM-434-F

EM-438-F

EM-448-F

EM-401-F

EM-460-F

EM-461-F

EM-463-F

Description
base

base + isoquinoline
(0.05% N)
base + isoquinoline
(0.10% N)
base + shale
oil cut
base + "HAN"

base + olefins

base + light
ends
JP-7

base + individual
aromatics
base + heavy
ends
EM-434-F +
cetane improver
RLI-16
Activation
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Model Predicted
Mean Slope, 103 revertants/kma
TA-1535
0.0
0.0
0.0
2.
0.0
5.
7.
0.0
0.0
3.
0.0
0.0
0.0
3.
0.0
3.
0.0
3.
0.0
3.
0.0
3.
TA-1537
7.
11.
16.
12.
3.
29.
5.
5.
18.
13.
2.
4.
11.
37.
5.
8.
18.
10.
8.
14.
22.
19.
TA-1538
25.
14.
40.
23.
13.
24.
14.
16.
43.
28.
6.
11.
25.
20.
36.
23.
44.
23.
33.
28.
53.
28.
TA-98
112.
32.
77.
70.
50.
21.
30.
23.
93.
28.
17.
28.
116.
25.
77.
85.
90.
74.
100.
75.
176.
77.
TA-100
137.
67.
119.
44.
145.
34.
112.
43.
173.
55.
65.
26.
93.
40.
__
36.
223.
67.
184.
64.
433.
74.
calculation incorporates particulate mass rates based on
percent organic solubles extracted from Pallflex "20x20"
47 mm Pallflex filters,
filters, and data in Table 23.
                                        65

-------
fuel, EM-395-F.  It is interesting to note that both these fuels, EM-463-F
and EM-395-F, exhibited similar response on TA-100 with activation.  Olefin
blend EM-438-F gave the lowest response on all 5 strains with and without
activation.  For strain TA-100 without activation, fuel blends associated
with the highest Ames responses were the three containing aromatics, and
the heavy-end extended blend.  In the majority of cases, metabolic activa-
tion reduced Ames activity on all 5 strains.  This trend was much more
pronounced for strains TA-1538, TA-100, and TA-98 than for the other two
strains.
                                    66

-------
        VIII.  STATISTICAL ANALYSIS OF FUEL AND EMISSIONS DATA

     This report section discusses the application of several statistical
computer programs to fuel and emission variables.  The principal goal was
to determine linear relationships between intentionally-varied fuel
variables and important emission variables.

A.   Statistical Methodology

     The statistical packages used for analysis of the data were SPSS
(Statistical Package for the Social Sciences)(15^ and BMDP (Biomedical
Computer Programs).   '   Various programs from each of these packages
were used to evaluate the data.

     There are 38 fuel variables and 82 emission variables representing
the 11 fuel blends tested.  Pearson's correlation coefficients were cal-
culated for these data,  using a bivariate correlation procedure in order
to determine the strengths of the association between all pairs of variables.
This technique was used to reduce the number of variables so that regression
analysis could be applied to the strong correlators between fuel and emission
variables.  Factor analysis also was applied to reduce the number of fuel
variables to ones which are orthogonal to each other, yet retain physical
meaning.  Using both the bivariate correlation procedure and factor analysis,
the fuel variables were reduced from 38 to 5,  while the emission variables
were reduced from 82 to 9.  These reduced lists are considered to include
the most important emissions and fuel variables.

     A forward stepwise regression analysis was performed to determine the
number of significant fuel variables to incorporate in a prediction equation
for each emission variable.  Included in the output from this analysis were
the fuel variable coefficients as well as a variety of two-variable plots
of fuel variables,  emission variables, and residuals.

B.   Data Input and Numbering of Variables

     The raw data were stored in the computer as a data file which was
"called up" as needed by various programs.  All fuel and emission variables
were assigned unique numerical variable codes to streamline computer for-
matting for the statistical packages.  Table 27 is a list of these codes
for reference.  A brief summary of code intervals is as follows:
Codes
VI - V38
V101 - V141
V201 - V241
Variable Class
fuel variables
gaseous emission variables
particulate emission variables
                                    67

-------
                                       TABLE 27.   CODING OF  FUEL  AND  EMISSION VARIABLES
CD
Code  	Variable	

VI    fuel cetane number
V2    fuel cetane index
V3    fuel gravity
V4    fuel density
V5    carbon in fuel
V6    hydrogen in fuel
V7    oxygen in fuel
V8    nitrogen in fuel
V9    H/C ratio in fuel
V10   aromatics in fuel
Vll   olefins in fuel
V12   paraffins in fuel
V13   fuel viscosity
V14   fuel gum
V15   IBP by D86
V16   10% point by D86
V17   20% point by D86
V18   30% point by D86
V19   40% point by D86
V20   50% point by D86
V21   60% point by D86
V22   70% point by D86
V23   80% point by D86
V24   90% point by D86
V25   EP by D86
V26   residue by D86
V27   IBP by D2887
V28   10% point by D2887
V29   20% point by D2887
V30   30% point by D2887
V31   40% point by D2887
V32   50% point by D2887
                             Code
                                        Variable
                                                             Code
                                                                                Variable
V33
V34
V35
V36
V37
V38

V101
V102
V103
V104
V105
V106
V107
VI 08
V109
V110
Vlll
V112
V113
V114
V115
VI 16
V117
V118
V119
V120
V121
V122
V123
V124
V125
60% point by D2887
70% point by D2887
80% point by D2887
90% point by D2887
EP by D2887
residue by D2887

HC
CO
NOX
C02
fuel consumption
formaldehyde
acetaldehyde
acetone3
i sobutyra Idehyde
crotonaldehyde
hexanaldehyde
benzaldehyde
total aldehydes
methane
ethane
ethylene
acetylene
propane
propylene
benzene
toluene
total IHC (V114-V121)
odor LCA
odor LCD
odor intensity, TIA
V126
V127
VI 28
V129
V130
V131
V132
V133
V134
V135
V136
V137
V138
V139
V140
V141

V201
V202
V203
V204
V205
V206
V207
V208
V209
V210
V211
V212
V213
V214
V215
phenol, filtered (f)
salicylaldehyde, f
m-cresol + p-cresol, f
group 5b , f
2,3,5- trimethylphenol, f
2, 3, 5, 6-tetramethylphenol, f
2-n-propylphenol , f
sum of filtered phenols (V126-V132)
phenol, unfiltered (u)
salicylaldehyde, u
m-cresol + p=cresol, u
group 5b, u
2,3,5-triinethylphenol, u
2, 3, 5, 6-tetramethylphenol, u
2-n-propylphenol , u
sum of unfiltered phenol (V134-V140)

total particualte mass rate
solubles in particulate matter
particulate carbon rate
particulate hydrogen rate
particulate nitrogen rate
BaP in solubles
Na in particulate matter
Mg in particulate matter
Al in particulate matter
Si in particulate matter
P in particulate matter
S in particulate matter
Cl in particulate matter
Ca in particulate matter
Ti in particulate matter
                                                                                                            Code  	Variable	
                                                                                                            V216  Zn in particulate matter
                                                                                                            V217  Sn in particulate matter
                                                                                                            V218  Ba in particulate matter
                                                                                                            V219  Fe in particulate matter
                                                                                                            V220  Pb in particulate matter
                                                                                                            V221  Br in particulate matter
                                                                                                            V222  Cd in particulate matter
                                                                                                            V223  K in particulate matter
                                                                                                            V224  Ni in particulate matter
                                                                                                            V225  V in particulate matter
                                                                                                            V226  Sb in particulate matter
                                                                                                            V227  total trace elements (V207-V226)
                                                                                                            V228  cold start peak smoke
                                                                                                            V229  cold idle average smoke
                                                                                                            V230  1st acceleration peak smoke
                                                                                                            V231  idle @ 125 sees, avg. smoke
                                                                                                            V232  acceleration @ 164 sees, peak smoke
                                                                                                            V233  carbon in solubles
                                                                                                            V234  hydrogen in solubles
                                                                                                            V235  nitrogen in solubles
                                                                                                            V236  sulfur in solubles
                                                                                                            V237  oxygen in solubles
                                                                                                            V238  carbon in particualte
                                                                                                            V239  hydrogen in particulate
                                                                                                            V240  nitrogen in particualte
                                                                                                            V241  100-(CHNS in particulate)
plus acrolein and proponal
group 5 represents p-ethylphenol +  2-isopropylphenol + 2,3-Xylenol +  3,5-Xylenol +• 2,4,6-trimethylphenol

-------
     The computer data file was duplicated and additional information was
added to serve as a reference listing.  This listing is located in
Appendix F, pages F-2 through F-7.  The listing includes all the raw data
values, variable code assignments, variable titles, and information con-
cerning the column location of the data on computer data cards.  The data
stored in the data file are in units which are normally used when describing
a particulate variable (e.g., density in g/m£, CO in g/km).

C.   Analysis of Fuel Variables

     Basic statistics were performed on fuel variables to provide a method
for interpreting the distributions and magnitude of variations.  Pearson
correlation coefficients were calculated in order to study and compare
the strength of association between pairs of fuel variables.  This compu-
tation was performed to reduce the number of fuel variables to a few highly
significant ones, by removing redundant and/or interrelated variables,

     Basic statistics for the fuel variables are presented in Table 28.
The data represent 11 fuels, 10 of which were modifications of a base
fuel (with various compounds added).  The most significant variability
occurred among those properties which were intentionally modified for
study in this project.  The cetane number, nitrogen, aromatic, olefin and
paraffin values reflect these changes.  Both boiling point determinations
show little variation, due to the magnitude of the means and the fact that
only one test fuel contained lighter ends and one other test fuel contained
heavier ends.  Even with this information considered, the table shows that
the variation increases slightly from the middle of the boiling points to
higher end.  The high coefficient of variation for gum reflects the uninten-
tional increase of the gum level in the test fuel that contained a shale
oil fraction.  This coefficient is high because the gum level of the fuel
containing shale oil, EM-430-F, was about 7 times as high as the other
test fuels.

     The skewness column in Table 28 lists the degree to which the distribu-
tion of variable values deviates from a normal curve for the 11 test fuels
used.  Skewness measures deviations from symmetry.  The measure of skewness
will be zero when the distribution is a completely symmetric bell-shaped
curve.  Positive values of skewness indicate that most of the variable
values are clustered to the left or lower than the mean, with the extreme
values to the right or higher than the mean.  The opposite is true for
negative skewness.  The high positive skewness of the higher boiling points
reflect the addition of the heavy-ends fuel EM-461-F, while the other fuels
remained fairly constant.  The same holds true for the negative skewness
reflecting value for the light-ends fuel EM-448-F.  Similar marked changes
in skewness demonstrate the effect of altering the composition of the base
fuel EM-395-F in other ways.

     Kurtosis is a measure of the relative peakedness or flatness of the
curve defined by a variable for the 11 test fuels used.  A normal distri-
bution will have a kurtosis of zero.  If the kurtosis value is positive,
                                    69

-------
TABLE 28.  BASIC STATISTICS FOR FUEL VARIABLES (V1-V38)
Fuel Variable
No.
VI
V2
V3
V4
V5
V6
V8
V9
V10
Vll
VI 2
VI 3
V14
V15
V16
VI 7
VI 8
V19
V20
V21
V22
V23
V24
V25
V27
V28
V29
V30
V31
V32
V33
V34
V35
V36
V37
Name
cetane number
cetane index
gravity
density
carbon , %
hydrogen , %
nitrogen, ppm
H/C
aromatics
olefins
paraffins
viscosity
gum
IBP (D86)
10% (D86)
20% (D86)
30% (D86)
40% (D86)
50% (D86)
60% (D86)
70% (D86)
80% (D86)
90% (D86)
EP (D86)
IBP (D2887)
10% (D2887)
20% (D2887)
30% (D2887)
40% (D2887)
50% (D2887)
60% (D2887)
70% (D2887)
80% (D2887)
90% (D2887)
EP (D2887)
Mean
58.109
54.345
45.236
0.801
85.600
13.945
238.636
1.947
13.836
2.064
85.091
1.565
2.309
195.727
207.636
209.090
211.727
213.636
215.636
218.182
220.818
224.364
229.909
258.545
163.818
196.091
204.818
212.000
217.455
221.909
228.000
234.182
240.545
248.636
277.545
Standard
deviation
7.406
6.220
3.097
0.014
0.700
0.670
350.217
0.100
12.059
1.594
11.964
0.095
4.048
8.956
6.830
5.504
4.174
3.557
3.722
3.920
4.687
6.038
8.871
10.930
22.351
12.333
9.537
5.477
4.741
4.206
4.919
4.535
6.532
10.736
12.684
Coefficient
of variation
0.1274
0.1145
0.0685
0.0179
0.0082
0.0480
1.4676
0.0515
0.9394
0.7724
0.1406
0.0609
1.7531
0.0458
0.0329
0.0262
0.0197
0.0166
0.0173
0.0180
0.0212
0.0269
0.0386
0.0423
0.1364
0.0689
0.0466
0.0258
0.0218
0.0190
0.0216
0.0194
0.0272
0.0432
0.0457
Yi =
skevmess
-0.976
-0.931
-0.883
0.978
0.314
-0.142
1.072
-0.430
1.133
2.726
-1.061
0.219
3.112
-1.117
-2.218
-2.025
-1.419
-0.026
0.578
1.453
1.444
1.547
1.559
1.776
0.218
-2.060
-1.597
0.143
0.603
0.423
0.351
0.264
1.127
1.115
0.826
Y2 =
kurtosis
0.170
-0.556
- 0.441
- 0.329
- 1.423
- 1.991
- 0.374
- 1.497
- 0.795
7.973
- 0.859
0.231
9.991
1.846
6.437
6.571
5.531
3.240
1.312
2.021
1.239
1.612
2.159
3.487
-2.039
4.663
3.541
-0.854
-0.803
-1.630
-1.645
-2.109
0.882
0.592
-0.011
                          70

-------
then the distribution is more peaked (narrow)  than would be true for a normal
distribution; while a negative value means that it is flatter.   The high
kurtosis values of gum and olefins represent the "jump" in one  value
causing a high peak for each respective variable.   The negative values
such as carbon and the middle boiling points of D2887 indicate  a relatively
flat distribution of data points.  For the most part, the fuel  variables
exhibit a wide range of curve formations.

     In order to reach the point at which a meaningful linear regression
analysis could be performed, the number of fuel variables was reduced.  Of
the 38 fuel variables, 5 were determined to be unrelated to each other and
representative of the fuel variables intentionally modified.  The method
used to determine the five variables incorporated both bivariate correlation
analysis and factor analysis.

     The bivariate correlation matrix for all fuel and emission variables
is given in Appendix F, pages F-8 through F-31.  The correlation coefficients
for the two boiling point methods were extracted from this large matrix,
and they are presented in Table 29.  With the exception of a few pairwise
correlations at the upper boiling percentages, the coefficients are very
small.  If the coefficients for corresponding boiling percentages (e.g.,
D86 20% pt. vs D2887 20% pt.) were high  (r > 0,95), then the methods would
be interchangeable.  This would have allowed one method to be dropped
because of redundancy.  One possible explanation for the lack of correlation
between these two methods is the lack of variability of the data.  Nine of
eleven test fuels were controlled to exhibit similar boiling ranges.  With
such a small variability in the boiling points, the procedural  error became
a strong influence in the variability of the results.  The ASTM D86 method
is more sensitive to human error and does not contain computer  analysis as
ASTM D2887 (gas chromatograph).

     The fuel/emission variables correlation matrix in Appendix F indicated
that D2887 generally exhibited higher correlation coefficients  for "major"
emissions than D86.  Emissions that were considered "major" were particulate,
HC, CO, NOX, fuel consumption, BaP, total aldehydes, total phenols,  and
organic solubles.  A brief scan of the other emissions also supported this
finding.  On this basis, ASTM D2887 was selected to represent the boiling
points of the test fuels.

     A factor analysis was performed on the remaining 26 fuel variables to
determine those variables that are most orthogonal to each other, and to
characterize the fuel variability mathematically.   All the factor analysis
data are located in Appendix F, pages F-32 through F-34.

     Table 30 represents the "varimax rotated factor matrix", which is a
small part of the entire factor analysis.  This table is the terminal solution
or orthogonally rotated factors.  The numbers in a given row represent
coefficients of factors to describe a given variable.  A factor is a
hypothetical parameter that is developed to describe a variable.  For
example, the most important determinant of density is Factor 1  (0.94593).
                                   71

-------
TABLE 29.  CORRELATIONS BETWEEN BOILING PERCENTILES  OBTAINED BY TWO ANALYSIS METHODS
ASTM D86
(thermal distillation)
boiling range
IBP (var.15)
10% (var.16)
20% (var.17)
30% (var.18)
40% (var.19)
50% (var.20)
60% (var.21)
70% (var.22)
80% (var.23)
90% (var.24)
EP (var.25)
Resi. (var.26)
Correlation coefficient
IBP [ ' '
var.27
0.1911
0.1842
0.2202
0.2074
0.1588
0.1530
0.1499
0.2479
0.2466
0.3308
0.5494
-0.3187
10%
var.28
0.6639
0.7958
0.7736
0.7039
0.5137
0.3820
0.2499
0.2045
0.1754
0.2231
0.3668
-0.1956
20%
var.29
0.6081
0.7326
0.7350
0.6870
0.5431
0.4515
0.3460
0.3348
0 . 3069
0.3603
0.4749
-0.1523
30%
var. 30
0.3262
0.4384
0.4578
0.4331
0.3490
0.3286
0.2841
0.3467
0.3296
0.4240
0.5412
-0.0941
(r) by AS
40%
var. 31
0.1822
0.2712
0.3007
0.2849
0.2361
0.2653
0.2319
0.3282
0.3046
0.3816
0.4772
-0.1262
rM D2887 (gas chromatograph simulated) boiling range
50%
var. 32
0.0683
0.1449
0.2156
0.2548
0.3184
0.4193
0.4378
0.5571
0.5330
0.5840
0.6124
-0.0393
60%
var. 33
0.0250
0.1101
0.2105
0.2776
0.3943
0.5297
0.5497
0.6810
0.6666
0.7058
0.7383
-0.1356
70%
var. 34
0.0358
0.1250
0.2251
0.2988
0.4322
0.5790
0.5999
0.7169
0.6913
0.7040
0.6757
-0.0407
80%
var. 35
0.1737
0.2268
0.3492
0.4682
0.6635
0.7739
0.8589
0.9280
0.9224
0.9345
0.8932
0.1055
90%
var . 36
0.0831
0.1753
0.2973
0.4105
0.5932
0.7196
0.7859
0.8771
0.8847
0.9279
0.9367
0.0118
EP
var. 37
0.1661
0.4354
0.5007
0.5642
0.6343
0.6380
0.6354
0.6462
0.6383
0.6804
0 . 7990
-0.2412
Resi.
var. 38
-0.0640
0.1148
0.0657
0.0217
-0.0593
-0.1458
-0.1846
-0.1994
-0.2397
-0.2209
-0.1076
-0.3566

-------
  TABLE 30.  VARIMAX ROTATED FACTOR MATRIX FOR REMAINING FUEL VARIABLES
Fuel Variable
Cetane No. (VI)
Centane Index (V2)
Gravity (V3)
Density (V4)
C (V5)
H (V6)
N (V8)
H/C (V9)
Aromatics (VlO)
Olefins (Vll)
Paraffins (V12)
Viscosity (V13)
Gum (V14)
IBP3 (V27)
10% (V28)
20% (V29)
30% (V30)
40% (V31)
50% (V32)
60% (V33)
70% (V34)
80% (V35)
90% (V36)
EP (V37)
Residue (V38)
Factor I
-0.75248
-0.97866
-0.94593
0.94674
0.88092
-0.72097
0.06332
-0.87870
0.97137
-0.12041
-0.96071
-0.48394
0.06430
0.56895
0.34588
0.41297
0.46239
0.55013
0.39906
0.44312
0.34124
-0.07278
0.05736
-0.13636
-0.13813
Factor 2
0.15970
-0.05976
-0.22712
0.23824
0.14900
-0.21143
-0.12663
-0.21323
0.05098
0.03498
-0.05157
0.55881
-0.16577
0.50087
0.31575
0.44891
0.56382
0.56195
0.76333
0.85317
0.84680
0.98589
0.98487
0.75946
-0.10490
Factor 3
0.13826
-0.07934
-0.02729
0.03866
-0.33911
-0.47595
-0.10120
-0.13330
0.09942
0.77621
-0.22671
-0.21885
-0.04057
0.50750
0.34642
0.33883
0.46674
0.53509
0.44849
0.23411
0.24792
0.00912
-0.02988
-0.13814
-0.07623
Factor 4
0.27294
-0.10583
-0.09619
0.09042
-0.16595
0.27025
0.72318
0.24785
0.05366
-0.22141
-0.02436
0.11275
-0.09366
0.09857
0.42507
0.32564
0.20516
0.08045
-0.08691
-0.08738
-0.16203
-0.14523
-0.05929
0.58977
0.73422
Factor 5
0.30353
-0.10205
-0.15418
0.14058
0.26529
-0.24104
0.23858
-0.27880
0.02536
-0.00175
-0.01973
0.35796
0.61046
-0.03155
0.58673
0.59192
0.42473
0.28648
0.11781
-0.01912
0.04010
-0.01735
-0.05230
-0.08859
-0.17898
ASTM D2887
                                      73

-------
The remaining four factor coefficients are not as large.   Therefore,  the
linear composition of density is controlled by Factor 1.   Similarly,  olefins
are controlled by Factor 3.   Since the matrix represents  orthogonally
rotated factors, density and olefins are statistically independent of one
another.  Those variables which are controlled by more than one factor
measure more than one theoretical dimension, and therefore the compositions
of those variables are complex.

     Fuel variables selected from Table 30 were those controlled by one
factor, preferably different for each variable.  It was also important to
select, if possible, those fuel variables whose levels were intentionally
changed for study.  Factor 3 was represented by olefins.   The low boiling
percentiles are spread across all five factors, and therefore their com-
position is too complex.  Nitrogen was the choice from Factor 4 because
the only other candidate, residue, does not contain the desired variability
in the raw data.  The only viable candidate in Factor 5 was gum.  Although
gum levels were not intentionally changed, they varied as a result of
developing the test fuels for study.  Factors 1 and 2 control several
fuel variables.  Those candidates and their bivariate correlation coefficients
are presented in Table 29.  Paraffins were omitted because they are inversely
proportional to aromatics.  This table shows the strong dependencies of
cetane index, gravity, density, H/C, and aromatics on each other.
Aromatics were chosen to characterize this group.  Cetane number does not
exhibit strong correlations with those variables in Factor 1.  Factor 1
representatives were cetane number and aromatics.  The upper boiling
percentiles describe Factor 2.  Table 31 again shows that the 50% to 90%
points can be characterized by the 90% point.  The end point does not
exhibit high correlations.  Factor 2 selections were the 90% point and
end point.

D.   Analysis of Emission Variables

     The bivariate correlation matrix of all emission variables against
one another is given in Appendix F, pages F-35 through F-70.  There are two
sets of phenol emissions.  As discussed earlier in the report, the major
difference in the two sets of phenol results was the filtering or non-
filtering of the dilute exhaust gas sample.  The correlation coefficients
for these two methods were extracted from the larger matrix, and are
presented in Table 32.  With the exception of 2-n-propylphenol  (V132 and
V140), the two sets of phenol results do not exhibit a linear relationship.
It would have been desirable to represent all the phenol data with one set
or the other, but this simplification was not feasible.

     The symmetric emission-emission correlation matrix contains over 6500
 (82x82) elements.  Analyzing such a large matrix for linear relationships
would be extremely time-consuming.  It was decided to select a set of ten
emission variables considered most important.  They included:  total par-
ticulate, HC, CO, NOX, fuel consumption, BaP, solubles, total aldehydes,
total filtered phenols, and total unfiltered phenols.  The correlation
coefficients for these ten variables against each other are summarized
                                   74

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                      TABLE 31.  CORRELATION  COEFFICIENTS BETWEEN SELECTED FUEL VARIABLES  (r>0.85)
Fue 1 Vari ab 1 <=>. s

cetane number (VI)
cetane index (V2)

gravity (V3)
density (V4)
H/C (V9)
aromatics (V10)
50% pt. (V32)
60% pt. (V33)
70% pt. (V34)
80% pt. (V35)
90% pt. (V36)
EP (V37)
cet.no.
(V.I)

1.0000












cet.ind.
(V2)
a

1.0000

0.9806
-0.9807
0.8894
-0.9479






grav.
(V3)
a
a


1.0000
-0.9993
0.9042
-0.9232






dens.
(V4)
a
a

a

1.0000
-0.9037
0.9281






H/C
(V9)
a
a

a
a

1.0000
-0.8546






aro.
(V10)
a
a

a
a
a

1.0000






50%
(V32)
a
a

a
a
a
a

1.0000
0.9618
0.9552



60%
(V33)
a
a

a
a
a
a
a

1.0000
0.9772

0.8596

70%
(V34)
a
a

a
a
a
a
a
a

1.0000



80%
(V35)
a
a
	
a
a
a
a
a
a
a

1.0000
0.9713

90%
(V36)
a
a
— — —
a
a
a
a
a
a
a
a

1.0000

EP
(V37)
a
a

a
a
a
a
a
a
a
a
a

1.0000
  redundant values omitted
-j
Ln

-------
     TABLE 32„  CORRELATIONS BETWEEN FILTERED AND UNFILTERED PHENOLS
Filtered
Phenols
V126
V127
V128
V129
VI 30
V131
V132
VI 33
Correlation Coefficient (r)
Unfiltered Phenols
VI 34
-0.1583
0.6594
-0.1349
-0.0862
-0.1540
-0.1185
0.5708
0.6399
V135
0.6228
0.3835
0.6235
-0.5026
0.4820
0.4744
0.6042
0.4530
VI 36
una
un
un
un
un
un
un
un
V137
0.0079
-0.1967
0.0221
-0.2325
-0.1900
-0.1750
-0.1798
-0.2115
VI 38
un
un
un
un
un
un
un
un
VI 39
0.5487
-0.1709
0.5373
0.1566
0.6023
0.5967
0.0578
-0.0914
V140
-0.0914
0.9856
-0.943
-0.3626
-0.1056
-0.1318
0.8792
0.9661
V141
0.4099
0.6543
0.6543
0.4000
-0.2146
0.4181
0.7698
0.7063
un = uncomputable
                           Variable Definition
               V126, V134 = phenol
               V127, V135 = salicylaldehyde
               V128, V136 = m-cresol + p-cresol
               V129, V137 = p-ethylphenol + 2-isopropylphenol +
                            2,3-xylenol + 3,5-xylenol + 2,4,6-
                            trimethylphenol
               V130, V138 = 2,3,5-trimethylphenol
               V131, V139 •= 2T3,5,,6-tetramethylphenol
               V132, V140 = 2-n-propylphenol
               V133, V141 = sum of phenols
                                   76

-------
in Table 33.  Particulate correlates strongly with CO and moderately with
NOX.  Hydrocarbons correlate moderately with CO.  The remaining emission
variables in Table 33 indicate linear independence of each other.

E.   Relationships Between Fuel and Emission Variables

     The previous sections have described reduction of the large number of
fuel-emissions variables from 38 and 82 to 7 and 10, respectively.  To
construct linear regressions predicting emissions from fuel variables,
Table 34 was assembled to determine which fuel variables are highly
correlated to the ten selected emission variables.  The total unfiltered
phenols have the poorest correlation coefficients.  It was felt that there
would not be a good chance of unfiltered phenols being linearly related
to fuel composition.  Since phenols are represented by the filtered phenols,
the unfiltered phenols were dropped from consideration in linear regression
analysis.

     Table 35 is a condensed version of Table 34.  It was constructed by
dropping unfiltered phenols and those fuel variables which are highly related
to each other.  For example, paraffins were dropped when aromatics appeared,
because they are inversely proportional to each other.  Of the fuel variables
in Table 35, five of the seven selected in Section C are represented.  The
two that are absent, cetane number and 90% point, are not linearly related
to the selected emission variables.  Cetane number and 90% point were,
therefore, dropped from consideration in linear regression analysis,

     A stepwise linear regression analysis was conducted between each
of the emissions variables versus the five fuel variables.  For a particular
emission variable, the stepwise linear regression analysis inserted the fuel
variable or combination of fuel variables which exhibited the highest
correlation with that emission variable.  The output at each step included
multiple R, multiple R-squared, standard error of the estimate, the constant
term and the fuel variable regression coefficients.  The criteria for
determining the set of fuel variables to use for a particular emission
variable were R-square value, standard error of estimate, and percent
increase in R-square value.  The R-square value reflects the strength of
association between the two variables.  The standard error of estimate
describes the magnitude of the standard deviation for a given equation.
An abbreviated example of the computer-output for one such analysis is given
in Appendix F, pages F-71 through F-77.

     A summary of the stepwise linear regression analysis is presented in
Table 36.  Those cases in which the regression coefficients were calculated
as 0.000 indicate that the coefficients require more than three decimal
places.  In most cases the cutoff points for choosing fuel variables were
determined where the standard error of estimate rose between steps.  This
rise reflected an increase in the standard deviation of predicted values,
and therefore greater unpredictability.  In other cases, the cutoff point
was defined by an increase in the R-square of less than 0.01.  A multiple
linear regression analysis was performed on each emission variable based on
the findings of the stepwise regression analysis.
                                   77

-------
                      TABLE 33.  SUMMARY OF SELECTED EMISSION - EMISSION CORRELATION COEFFICIENTS
Emission Variables
HC (V101)
CO (V102)

NOX (V103)
fuel (V105)
tot. aid. (V113)
3.
tot. phenols f (VI 33)
tot. phenols un (V141)
particulate (V201)
solubles (V202)
BaP (V206)
Correlation Coefficients r
HC
(V101)
1.0000
0.8393

0.6514
-0.2343
-0.3387

-0.2740
-0.5556
0.6937
-0.0773
0.1996
CO
(V102)
a
1.0000

0.7439
-0.1074
-0.5219

-0.0967
-0.5148
0.9440
-0.3722
0.2752
NOX
(V103)
a
a

1.0000
0.1743
-0.0168

-0.0962
0.2182
-0.8349
0.4112
0.0489
fuel
(V105)
a
a
a.

1.0000
-0.1987

0.4655
0.2080
-0.0199
0.1283
0.0963
tot. aid.
(V113)
a
a
a.

a
1.0000

-0.0799
0.5373
-0.4185
-0.0770
-0.2449
tot.phen. ,
fa, (V133)
a
a
a.

a
a

1.0000
0.7063
-0.0526
-0.3639
0.6904
tot.phen. /
unb (V141)
a
a
a.

a
a
a.

1.0000
-0.3819
-0.2036
0.3943
part.
(V201)
a
a
a.

a
a
a
a.

1.0000
-0.5285
1.1611
solubles
(V202)
a
a
a.

a
a
a.
a
a

1.0000
-0.1590
BaP
(V206)
a
a
a

a
a
a
a
a
a

1.0000
 filtered
^unfiltered
rredundant values omitted

-------
                        TABLE  34.   MULTIPLE COMPARISONS OF PAIRWISE CORRELATIONS BETWEEN IMPORTANT
                                             EMISSION VARIABLES AND FUEL VARIABLES
Emission Variable
part. (V201)
BaP (V206)
HC (V101)
CO (V102)
NOX (V103)
fuel (V105)
solubles (V202)
tot. aid (V113)
phenols, fc (V133)
phenols, und(V141)
Mean Value
of variable
181.8182
0.4773
0.1009
0 . 52 36
0 . 86 36
9.5991
14.6000
3.6827
15.1355
1.8327
Pairwise correlations between fuel variables and indicated emission variables
highest
dens. (V4)
gum (V14)
H/C (V9)
cet. in. (V2)
dens. (V4)
ole. (Vll)
N (V8)
resi.a (V38)
gum (V14)
gum ' (V14)
r
0.8888
0.7300
-0.8073
-0.9050
0.7388
0.6367
-0.7753
0.7511
0.9456
0.5587
2nd hiahest
cet. in. (V2)
EPa (V37)
aro. (V10)
aro. (V10)
grav. (V3)
gum (V14)
cet. in. (V2)
EPa (V37)
resi.b (V26)
dens. (V4)
r
-0 . 8850
-0.4853
0.7965
0.9038
-0.7314
0.5083
0.5633
0.6007
0.5648
-0.5079
3rd highest
grav. (V3)
ole. (Vll)
para. (V12)
dens. (V4)
aro. (V10)
cet. ft (VI)
grav. (V3)
H (V6)
N (V8)
H (V6)
r
-0.8804
-0.4258
-0.7856
0.9015
0.7094
0.4692
0.5602
0.5152
0.3934
0.5074
4th highest
aro. (V10)
C (V5)
cet. in. (V2)
grav. (V3)
cet. in. (V2)
IBP2 (V15)
dens. (V4)
H/C (V9)
60% pta (V33)
grav. (V3)
r
0.8740
0.4043
-0.7771
-0.8938
-0.7100
0.4336
-0.5428
0.4853
-0.3316
0.5005
5th highest
para. (V12)
70% pta (V34)
C (V5)
H/C (V9)
H/C (V9)
H (V6)
10% pta (V28)
para (V12)
EPb (V25)
cet. in. (V2)
r
-0.8495
-0.3883
0.7749
-0.8537
-0.7037
-0.4128
-0.5338
0.4064
-0.3210
0.4936
"ASTM D-2887
CASTM D-86
jtotal filtered
"total unfiltered
                       TABLE  35.   CONDENSED  COMPARISON OF PAIRWISE CORRELATIONS BETWEEN IMPORTANT
                                            EMISSION VARIABLES AND FUEL  VARIABLES3
Emission Variable
part. (V201)
BaP (V206)
HC (V101)
CO (V102)
NOX (V103)
fuel (V105)
solubles (V202)
tot. aid. (V113)
phenols, fd (V133)
Mean Value
of variable
181.8182
0.4773
0.1009
0.5236
0 . 86 36
9.5991
14.6000
3.6827
15.1355
PairwiRP rorrf,iaH"n= hoi-ween fuel variables and indicated emission variables
highest
dens . (V4 )
gum (V14)
H/C (V9)
cet. in. (V2)
dens. (V4)
ole. (Vll)
N (V8)
resi.b (V38)
gum (V14)
r
0.8888
0.7300
-0.8073
-0.9050
0.7388
0.6367
-0.7753
0.7511
0.9456
2nd highest
cet. in. (V2)
EPb (V37)
aro. (V10)
aro. (V10)
aro. (V10)
gum (V14)
cet. in. (V2)
EPb (V37)
resi.c (V26)
r
0.8850
-0.4853
-0.7965
0.9038
0.7094
0.5083
0.5633
0.6007
0.5648
3rd highest
aro. (V10)
ale. (Vll)
cet. in. (V2)
dens. (V4)
cet. in.. (V2)
cet. # (VI)
10% ptb (V28)
H (V6)
N (V8)
r
0.8740
-0.4258
-0.7771
0.9015
-0.7100
0.4692
-0.5388
0.5152
0.3934
                   aThis table removed those values in Table 32 that are related to one another, e.g., for density and gravity
                    only density was used.
                    ASTM D-2887
                   ^ASTM D-86
                    total  filtered

-------
                          TABLE 36.  SUMMARY OF THE STEPWISE LINEAR REGRESSION ANALYSIS
Emission
Variable
HC




CO



N°x



Fuel




Particulate



Step
1
2
3
4
5
1
2
3
4
1
2
3
4
1
2
3
4
5
1
2
3
4
Fuel Variable
Entered
Aromatics
EP
Gum
Olefins
Nitrogen
Aromatics
EP
Olefins
Gum
Aromatics
Nitrogen
EP
Olefins
Olefins
Gum
EP
Nitrogen
Aromatics
Aromatics
Nitrogen
Olefins
Gum
Multiple
R-squared
0.6344
0.7088
0.7417
0.7549
0.7706
0.8169
0.8307
0.8447
0.8461
0.5033
0.6030
0.6374
0.6434
0.4054
0.6924
0.7439
0.7511
0.7534
0.7639
0.8392
0.8423
0.8431
Increase
in R-squared
0.6344
0.0744
0.0330
0.0132
0.0157
0.8169
0.0138
0.0140
0.0014
0.5033
0.0997
0.0344
0.0059
0.4054
0.2871
0.0515
0.0072
0.0023
0.7639
0.0753
0.0030
0.0008
Std. Error
of Estimate
0.0126
0.0119
0.0120
0.0126
0.0134
0.0296
0.0302
0.0309
0.0332
0.0547
0.0519
0.0530
0.0568
0.0895
0.0683
0.0666
0.0709
0.0773
21.7520
19.0394
20.1608
21.7216
Y-Intercept
0.084
0.203
0.228
0.245
0.244
0.461
0.630
0.684
0.665
0.808
0.793
0.479
0.447
9.508
9.471
8.870
8.948
8.970
142.305
134.935
138.846
138.447
Regression Coefficients
Aromatics
0.001
0.001
0.001
0.001
0.001
0.005
0.005
0.005
0.005
0.004
0.004
0.004
0.004
	
—
—
—
-0.000
3.078
3.033
3.011
3.007
Nitrogen

—
—
—
-0.000
__
—
—
—
__
0.000
0.000
0.000
	
—
—
0.000
0.000
	
0.033
0.031
0.031
Gum

—
-0.001
-0.001
-0.001
__
	

0.001
__
	
—
—
	
0.015
0.017
0.016
0.016
__
—
—
0.304
Olefins

—
	
-0.001
-0.002

	
-0.005
-0.005
__
	
—
0.004
0.044
0.046
0.050
0.051
0.050
__
	
-1.538
-1.561
EP

-0.000
-0.001
-0.001
-0.000

-0.001
-0.001
-0.001
__
	
0.001
0.001
__
	
0.002
0.002
0.002

	
	
—
co
o

-------
                       TABLE 36 (Cont'd).   SUMMARY OF THE STEPWISE LINEAR REGRESSION ANALYSIS
Emission
Variable
BaP




Solubles




Tot. Aid.




Tot. Phen.




Step
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
Fuel Variable
Entered
Gum
Olefins
EP
Nitrogen
Aromatics
Nitrogen
Aromatics
Olefins
Gum
EP
EP
Aromatics
Olefins
Gum
Nitrogen
Gum
Aromatics
Nitrogen
EP
Olefins
Multiple
R-squared
0.5329
0.6891
0.8496
0.8910
0.8925
0.6011
0.7634
0.7956
0.8038
0.8170
0 . 3609
0.4688
0.4909
0.5045
0.5189
0.8941
0.9316
0.9631
0.9659
0.9671
Increase
in R-squared
0.5329
0.1'562
0.1605
0.0414
0.0015
0.6011
0.1622
0.0322
0.0082
0.0132
0.3609
0.1079
0.0221
0.0136
0.0144
0.8941
0.0375
0.0315
0.0028
0.0012
Std. Error
of Estimate
0.1560
0.1350
0.1004
0.0923
0.1004
1.7474
1.4276
1.4186
1.5010
1.5881
4.2859
4.1445
4.3375
4.6219
4.9887
13.1753
11.2270
8.8170
9.1569
9.8477
Y-Intercept
0.387
0.500
2.590
2.221
2.187
15.987
17.080
16.293
16.372
24.142
-63.176
-58.535
-53.326
-48.664
-43.442
-5.581
2.165
-1.388
49.533
57.616
Regression Coefficients
Aromatics
—
—
—
—
0.001
—
-0.088
-0.083
-0.083
-0.085
—
-0.139
-0.148
-0.148
-0.150
—
-0.618
-0.639
-0.654
-0.669
Nitrogen
—
—
—
-0.000
-0.000
-0.006
-0.006
-0.005
-0.005
-0.005
—
—
—
—
0.002
—
—
0.020
0.023
0.022
Gum
0.039
0.038
0.031
0.036
0.036
—
—
—
-0.061
-0.093
—
—
—
-0.154
-0.213
8.972
9.051
8.635
8.417
8.403
Olefins
—
-0.054
-0.068
-0.073
-0.073
—
—
0.309
0.314
0.280
—
—
-0.492
-0.536
-0.460
—
—
—
—
-0 . 900
EP
—
—
-0.007
-0.006
-0.006
—
—
—
—
-0.028
0.241
0.231
0.216
0.201
0.180
—
—
—
-0.183
-0.204
00

-------
                      TABLE 36  (Cont'd).  SUMMARY OF THE  STEPWISE  LINEAR REGRESSION ANALYSIS
Emission
Variable
BaP




Solubles




Tot. Aid.




Tot. Phen.




Step
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
Fuel Variable
Entered
Gum
Olefins
EP
Nitrogen
Aromatics
Nitrogen
Aromatics
Olefins
Gum
EP
EP
Aromatics
Olefins
Gum
Nitrogen
Gum
Aromatics
Nitrogen
EP
Olefins
Multiple
R-squared
0.5329
0.6891
0.8496
0.8910
0.8925
0.6011
0.7634
0.7956
0.8038
0.8170
0 . 3609
0.4688
0.4909
0.5045
0.5189
0.8941
0.9316
0.9631
0.9659
0.9671
Increase
in R-squared
0.5329
0.1562
0.1605
0.0414
0.0015
0.6011
0.1622
0.0322
0.0082
0.0132
0.3609
0.1079
0.0221
0.0136
0.0144
0.8941
0.0375
0.0315
0.0028
0.0012
Std. Error
of Estimate
0.1560
0.1350
0.1004
0.0923
0.1004
1.7474
1.4276
1.4186
1.5010
1.5881
4.2859
4.1445
4.3375
4.6219
4.9887
13.1753
11.2270
8.8170
9.1569
9.8477
Y-Intercept
0.387
0.500
2.590
2.221
•2.187
15.987
17.080
16.293
16.372
24.142
-63.176
-58.535
-53.326
-48.664
-43.442
-5.581
2.165
-1.388
49.533
57.616
Regression Coefficients
Aromatics
	
—
—
—
0.001
—
-0.088
-0.083
-0.083
-0.085
—
-0.139
-0.148
-0.148
-0.150
	
-0.618
-0.639
-0.654
-0.669
Nitrogen
—
—
—
-0.000
-0.000
-0.006
-0.006
-0.005
-0.005
-0.005
—
—
—
—
0.002
	
—
0.020
0.023
0.022
Gum
0.039
0.038
0.031
0.036
0.036
—
—
—
-0.061
-0.093
—
—
—
-0.154
-0.213
8.972
9.051
8.635
8.417
8.403
Olefins
	
-0.054
-0.068
-0.073
-0.073
—
—
0.309
0.314
0.280
—
—
-0.492
-0.536
-0.460
	
—
—
—
-0.900
EP
	
—
-0.007
-0.006
-0.006
—
—
—
—
-0.028
0.241
0.231
0.216
0.201
0.180
	
—
—
-0.183
-0.204
oo

-------
                      TABLE 36 (Cont'd).   SUMMARY OF THE STEPWISE  LINEAR REGRESSION ANALYSIS
Emission
Variable
BaP




Solubles




Tot. Aid.




Tot. Phen.




Step
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
Fuel Variable
Entered
Gum
Olefins
EP
Nitrogen
Aromatics
Nitrogen
Aromatics
Olefins
Gum
EP
EP
Aromati cs
Olefins
Gum
Nitrogen
Gum
Aromatics
Nitrogen
EP
Olefins
Multiple
R-squared
0.5329
0.6891
0.8496
0.8910
0.8925
0.6011
0.7634
0.7956
0.8038
0.8170
0.3609
0.4688
0.4909
0.5045
0.5189
0.8941
0.9316
0.9631
0.9659
0.9671
Increase
in R-squared
0.5329
0.1562
0.1605
0.0414
0.0015
0.6011
0.1622
0.0322
0.0082
0.0132
0.3609
0.1079
0.0221
0.0136
0.0144
0.8941
0.0375
0.0315
0.0028
0.0012
Std. Error
of Estimate
0.1560
0.1350
0 . 1004
0.0923
0.1004
1.7474
1.4276
1.4186
1.5010
1.5881
4.2859
4.1445
4.3375
4.6219
4.9887
13.1753
11.2270
8.8170
9.1569
9.8477
Y-Intercept
0.387
0.500
2.590
2.221
2.187
15.987
17.080
16.293
16.372
24.142
-63.176
-58.535
-53.326
-48.664
-43.442
-5.581
2.165
-1.388
49.533
57.616
Regression Coefficients
Aromatics
—
—
—
—
0.001
—
-0.088
-0.083
-0.083
-0.085
	
-0.139
-0.148
-0.148
-0.150
—
-0.618
-0.639
-0.654
-0.669
Nitrogen
—
—
—
-0.000
-0.000
-0.006
-0 . 006
-0.005
-0.005
-0.005
—
—
—
—
0.002
—
—
0.020
0.023
0.022
Gum
0.039
0.038
0.031
0.036
0.036
—
—
—
-0.061
-0.093
—
—
—
-0.154
-0.213
8.972
9.051
8.635
8.417
8.403
Olefins
—
-0.054
-0.068
-0.073
-0.073
—
—
0.309
0.314
0.280
—
—
-0.492
-0.536
-0.460
—
—
—
—
-0.900
EP
—
—
-0.007
-0.006
-0.006
—
—
—
—
-0.028
0.241
0.231
0.216
0.201
0.180
—
—
—
-0.183
-0.204
03
W

-------
     The resulting prediction equations are as follows:
                                                                 -2
V201  particulate (mgAm) = 135 + 3.03  (% aromatics) + 3.33 x  10    (ppm N)
                                                            R2 = 0.839

V206  BaP (UgAm) = 2.59 - 6.78 x icT2  (% olefins) + 3.14 x icT2  (gum,  mg/100m£)
                  - 7.37 x 10~3 (EP,' °C)                    R2 = 0.850
V101  HC (gAm) = 0.08 + 1.30 x io~3  (% aromatics)
                                   R2 = 0.634
       /\
V102  CO (gAm) = 0.46 + 4.92 x 1CT3  (% aromatics)
V103  NO
                                   R  = 0.817

                 = 0-79 + 0.07 x 1CT3  (ppm N) + 4.24 x  io~3  (%  aromatics)
                                                             R2  =  0.603
        s\
V105  fuel  (VlOO km) = 8.87 + 4.96 x ICT2  (% olefins) +  1.66    10~2  (gum,
                        mg/100m£) + 2.21 x  1Q-3  (EP,  °C)     R2  = 0.744
          /^
V202  solubles  (%) = 16.3 - 5.29 x- io~3  (ppm N)  -  8.33 x  1CT2  (% aromatics)
                   + 0.31 (% olefiins)                        R2  = 0.796
             A
V133  total phenols  (mgAm)  =-1.39 + 0.02  (ppm N)  - 0.64  (%  aromatics)
                            + 8.63 (gum, mg/100m£)           R2  = 0.963
             A
V113  total aldehydes  (mgAm) =-58.54 +  0.23  (EP,  °C) - 0.14 (% aromatics)
                                                             R2  = 0.469

 In reviewing  the  equations,  it  is obvious  that  total  aldehydes, HC,  NOX,
 and fuel  consumption have low R-square values and  therefore  are not  strongly
 related (in the linear sense) to the  five  fuel  variables  chosen for  study.
 The total phenol  equation is misleading  in that it contains  a negative
 constant  term.  This outcome implies  that  fuels with  low  gum and nitrogen
 would emit a  negative  amount of phenols.  The R-square value is high
 (0.963) implying  a  good linear  fit.   Review of  the raw data  indicates that
 in most cases the phenol  levels were  clustered  together.   In one case,
 however,  the  phenol level was very high.  The multiple  linear regression
 analysis  essentially took the clustered  cases  as one  point,  and the  high
 value as  another.  This situation would  explain the small variance seen
 on phenols, but does not  accurately  explain those  cases  clustered on the
 low end.

      An additional  statistical  program,  "Scattergram" ,  was also run to
 present the relationships between  fuel and emission variables visually.
 A scattergram is a  plot of  two  variables.   Cetane number, aromatics,
 olefins,  gum, nitrogen, and end point were plotted against HC, CO, NOX,
 fuel consumption, particulate,  solubles, BaP,  total aldehydes, and total
 phenols.   All fifty-four plots  are  located in Appendix F, pages F-78 through
 F--104.  The scattergrams show,  in  many cases,  a clustering of data points
                                   84

-------
and a lone point considerably distant from the cluster.  As previously
stated, this condition may result in deceptively high R-square values for
the linear regression equations.  This pattern is present in the BaP vs
olefins and BaP vs gum plots.  The BaP vs end point plot shows a random
scatter of points.  These types of trends could explain the large R-square
and small regression coefficients of the linear equations.  With the possible
exception of particulate, most of the regression equations contain constant
terms close to the mean of the respective emission variables.  The major
weaknesses of these equations is that they do not represent a true
population dispersion of "real world" variability in fuel composition.
It also should be noted that they define emissions for only one vehicle
over one driving cycle (FTP).  They do, however, show that certain trends
can be seen and that relationships other than linear may exist.

     The eleven test fuel blends were ranked according to their effect
on each of the nine selected emissions.  The fuel blend which exhibited
the highest value for a particular emission was ranked number one and the
blends which exhibited the lowest value was ranked number 11.  Equal values
were ranked equally.  The ranking by this method is given in Table 37,
The rank values were summed to express the typical frequency with which
each fuel blend ranked high.  Fuel blend EM-460-F (30% pure aromatics)
indicated the lowest total rank value, and therefore exhibited higher
emissions.  The fuel blend containing heavy aromatics and a cetane improver,
EM-463-F, ranked second highest.  The base fuel, EM-395-F, was ranked fifth.
The scatter of individual rankings for various emissions reflect the effects
of modifying the base fuel EM-395-F.  Test fuel EM-404-F, which was the base
fuel + isoquinoline to 0.04% N, was associated with the lowest typical
emission values.
                                  85

-------
TABLE 37.  RANKING OF TEST FUELS AGAINST MAJOR EMISSIONS

Emissions
Parti culate
BaP
HC
CO
NOX
Fuel Consumption
Solubles
Total Aldehydes
Total Phenols
Z Rank Value
Test Fuels EM-XXX-F
395
5
3
6
. 4
10
9
4
6
4
51
401
10
7
4
6
6
7
5
4
11
60
404
6
10
9
9
11
11
7
7
3
73
405
6
9
9
11
3
5
11
1
2
57
430
4
1
6
5
8
2
9
8
1
44
434
3
8
3
3
4
8
8
5
6
48
438
9
11
6
7
6
1
2
8
10
60
448
11
4
4
7
9
9
1
3
8
56
460
2
2
1
2
2
6
6
8
5
34
461
8
5
9
9
5
3
3
2
7
51
463
1
5
1
1
1
4
10
8
9
40
                          86

-------
                                 REFERENCES
1.   Federal Register,  Vol.  44,  No.  23,  Part IV,  Thursday,  February 1,  1979.

2.   Smith, L. R.,  Parness,  M.  A.,  Fanick,  E. R., and Dietzmann,  H. E.,
     "Analytical Procedures  for Characterizing Unregulated  Emissions from
     Vehicles Using Middle-Distillate Fuels."  Interim Report,  Contract
     68-02-2497, U.S. Environmental Protection Agency, Office of  Research
     and Development, April  1980.

3.   Hare Charles  T., "Methodology  for Determining Fuel Effects on Diesel
     Particulate Emissions."  EPA-650/2-75-056, U.S.  Environmental Protection
     Agency, Office of Research and Development,  March 1975.

4.   Hare, Charles, T., Springer, Karl J.,  and Bradow, Ronald L. , "Fuel  and
     Additive Effects on Diesel Particulate-Development and Demonstration
     of Methodology." SAE Paper No.  760130, Detroit,  Michigan,  February  1976.

5.   Hare, Charles  T.,  "Characterization of Diesel Gaseous  and Particulate
     Emissions."  Draft Final Report of Tasks 1,  2, 4 and 6,  Contract No.
     68-02-1777, U.S. Environmental Protection Agency, September  1977.

6.   Hare, Charles  T.,  "Characterization of Gaseous and Particulate Emissions
     From Light-Duty Diesels Operated on Various  Fuels." Final Report,
     Contract 68-03-2440, U.S.  Environmental Protection Agency, July 1979.

7.   Springer, Karl J., "Investigation of Diesel-Powered Vehicle  Emissions
     VII."  Interim Report,  Contract 68-03-2116,  U.S. Environmental Protection
     Agency, Office of Mobile Source Air Pollution Control  February 1977.

8.   Williams, Gary N., "Prudho^ Bay", Lab Assay No.  A2142, Exxon Research
     & Engineering Co., Florham Park, N.J., May 1977.

9.   Federal Register,  Vol.  42, No. 124, Tuesday, June 28,  1977.

10.  Federal Register,  Vol.  40, No. 126, June 30, 1975. Subparts  I S J.

11.  Springer, Karl J., and Baines, Thomas M., "Emissions from Diesel Versions
     of Production Passenger Cars."  SAE Paper No. 770818,  Detroit, Michigan,
     September 1977.

12.  Federal Register,  Vol.  45, No. 45,  Wednesday, March 5, 1980.

13.  Levins, P. L., and Kendall, D. A.,  "Application of Odor Technology
     to Mobile Source Emission Instrumentation."  CRC Project CAPE 7-68
     under Contract No. 68-03-0561, September 1973.
                                    87

-------
                            REFERENCES  (Cont'd)
14.  Swarin,  Stephen J.,  and Williams,  Ronald L. ,  "Liquid Chromatographic
     Determination of Benzo(a)pyrene  in Diesel Exhaust Particulate:
     Verification of the  Collection  and Analytical Methods",  Research
     Publication GMR-3127,  General Motors  Research Laboratories,  Warren,
     Michigan,  October 23,  1979.

15.  Nie,  Norman H., Hull,  C.  Hadlai, Jenkins,  Jean G.,  Steinbrenner, Karin,
     and Bent,  Dale H.,  "SPSS", McGraw-Hill,  New York, New York,  1975.

16.  Health Sciences Computing Facility,  "BMpP Biomedical Computer Programs,
     P-Series 1979", University of California Press,  Los Angeles,  California,
     1979.
                                    88

-------
    APPENDIX A





Contract 68-03-2707



   SCOPE OF WORK

-------
6r-G:-2707                                                  Page 1 of /4

                               Exhibit A
                             Scope of Work
Objective:  The objective of this work is to investigate the influence
of fuel characteristics on the emissions of various pollutants from
diesel engines.

Plan to acni^ve objective:  The plan to meet this objective shall con-
sist of a systematic study of diesel fuel characteristics and how these
characteristics affect diesel emissions.  The general orientation of
this work will be towards those fuels and fuel composition variables
that are currently judged to be important in future fuel makeup.   Light-
duty diesel vehicles will be tested at this time and the results extra-
polated to other diesel engines.  The validity of these extrapolations
will be tested at a later date.

Task 1:  Fuel Variable Selection and Acquisition

A list of fuel variables shall be proposed by the contractor for
study under this phase of the contract.  This list of variables will
be used by the Project Officer to select, in conjunction with the Con-
tractor, approximately 18 fuels variables for use in this program.

A.   Fuel Variables

     The variables of interest can include, but must not be limited to,
     the following fuel characteristics:

          1.   Carbon/hydrogen ratio
          2.   Aromatic level
          3.   Density
          4.   Boiling range
          5.   Boiling point distribution
          6.   Sulfur level
          7.   Sulfur form
          8.   Metals content
          9.   Diesel fuel - ethanol blends
          10.  Diesel fuel - water emulsions
          11.  Cetane number
          12.  Residue level (steam jet gum)
          13.  Presence of a standard additive package (such as pour
               point depressant, cloudiness eliminator, etc.)
          14.  Nitrogen content

     The fuel variables listed may include:  1) various levels of a
     given fuel characteristic and 2) where appropriate, a combination
     of nominally independent fuel characteristics.  The variables
     selected will represent an optimization for the following three
     objectives:  1) particulate emission rate, 2} soluble organics
     emission rate, and 3) bioassay  (McCann/Ames) activity results.
                               A-2

-------
66-03-2707
Scope of" Work
Page 2 of 4
B.   Data Sources

     The contractor shall use as input to the fuel variable list;studies
     which discuss the expected makeup of future fuels.  Also, full
     utilization should be made of the preliminary data concerning the
     influence of fuel variables on diesel emissions that has been
     developed at Southwest Research Institute under EPA Contracts' #68-
     02-1777 and //68-03-24AC.  Such utilization should include appropriate
     use of the computer-stored and manipulated data from these contracts.
     The selection of the candidate fuel variables shall be done with all
     meaningful statistical considerations being included.

C.   Acquisition of Fuels

     The contractor shall acquire sufficient quantities of fuel that
     possesses the fuel characteristics that are selected as fuel
     variables.

Task II:  Emissions Testing

A.   Vehicle Selection

     One diesel vehicle shall be tested for emissions as a function of
     the above selected fuel variables.  This vehicle shall be repre-
     sentative of the "average" type of diesel light-duty vehicle
     expected to be in use in the near-term to medium-term future.
     Present thought  is to use the Mercedes 240D (which would give
     continuity with  work done under EPA Contract //68-03-2440) or the
     Oldsmobile diesel.  The Volkswagen diesel may also be selected.
     Final vehicle selection will be made by the Project Officer with
     Contractor input.

B.   Test Cycle and Replicates
                                       [,
     The test cycles  employed shall be:

     1.   1975 FTP (modified by running two complete LA-4's) - 3 replicates
     2.   85 kph steady state - 2 replicates
     3.   The first 505 seconds of the LA-4 for smoke emissions data.

C.   Emissions For Which Analyses shallBe Made

          1.   HC, CO, NOx and C09 shallbe analyzed using test pro-
               cedures outlined in the Federal Register pursuant to
               light-duty diesel vehicle testing.  Aldehydes, phenols and
               individual HC shall also be measured.
                               A-3

-------
f,ST0:-:'70:                                                  Page 3 of 4
Scope of Work

     2.    Particulate

          a.    Mass  rate  of  particulate  emissions  shallbe determined
               under both the  transient  and steady state test cycles.
               specified  above.

          b.    Size  distribution shaUbe determined on the YTP cycle for
          1  .   each  fuel  variable.   Series  filtration techniques (or
               equivalent If.vel  of  effort)  should  be employed.

          c.    Metal content of  total particulate  shall be determined.
               The specific  metals  for which analyses shall be made will
               be determined by  the Project Officer with contractor
               input.   This  selection will  be made such that continuity
               is maintained with previous  related projects (EPA Contracts
               //68-02-1777 and 68-03-2440).  Selection will also be made
               such  that  the appropriate metals are measured in certain
               experiments,  such as experiments using metal-based fuel
               additives.

     3.    Organics:   A methodology should be employed for the rapid
          collection of quantities of particulate  that are sufficient
          for organics analyses.  The following analyses shall be
          performed:

          a.   Total mass emissions of soluble organics.

          b.   Boiling range of  soluble  organics.

          c.   Carbon, hydrogen, nitrogen and sulfur content.  Also,
               selected oxygen content analyses shall be performed.

          d.   Polycyclic organic matter (POM) - An indication of the
               POM emissions shallbe made by analyses of the benzo-a-
               pyrene  (BaP) content of the  particulate emissions.  This
               will be achieved by obtaining filter samples and sending
               them to Dr. Robert Jungers,  EPA/RTP.


     4.   Odor:  Odor  measurements shall be made using the CRC Cape-7
          odor measuring instrument.  The  specific fuel variables over
          which  these  measurements are to  be made will be determined by
          the Project  Officer, with contractor input.  The selection
          will be based on previous results  (Contracts #68-02-1777 and
          //68-03-2440) as well as considering  the variables selected.

     5.   Smoke:  Smoke  emissions shallbe  determined for all  fuel
          variables over the  first 505 seconds of the LA-4 driving
          cycle.  The  PHS smoke meter shall be employed as well as an
          in-line smoke meter.
                                A-4

-------
•68->03-2707                                                  Page 4 of 4
 Scope of Work
      6.    Ames  Test  Samples:   The  Contractor shall obtain one sample
           over  the FTP  for  each  fuel  variable,  prepare the sample and
           send  the sample  to  the designated laboratory performing the
           Ames  test.   The  exact  details of  sample preparation will be
           determined at a  later  date  by the Project Officer.   At the
           present it appears  that  the sample will have to be  extracted
           and taken  to dryness.  A total of 50  mg of extracted organic
           material will probably be needed  for  each sample.   The con-
           tractor shall gatter the resultant data and include it in the
           Final Report.

 D.    System Check-Out

      The sampling and analysis systems and  procedures shallbe checked
      "out to assure their proper  functioning. Also, appropriate check-
      out procedures  shallbe employed  to assure  minimal influence of
      uncontrolled variables on the experimental design.  This shall
      include the influence of lubricating oil on resultant emissions
      data.
                                A-5

-------
       APPENDIX B





FUEL ADDITIVE INFORMATION

-------
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                               Figure B-l.  Chromatogram of Staight Rim Shale Oil

-------
            RESEARCH  AND ENGINEERING COMPANY
                                                           P.O. BOX 51. LINDEN, N.J. 07036
PRODUCTS RESEARCH DIVISION

L.S. BERNSTEIN
Director
Fuels Research Laboratory
                                                 July  17,  1979

                                                 Components  for Diesel
                                                 Fuel  Research	
                                                 Ref.  No.:  79PR 802
    Mr.  Charles T.  Hare
    Dept.  of Emissions  Research
    Southwest Research  Institute
    P.  0.  Box 28510
    San Antonio, Texas  78284

    Dear Mr.  Hare:

              When  you  and Mr.  Thomas  Baines  of EPA (Ann Arbor) met with Eric
    Wigg,  Mort Beltzer, and the writer at  tfie Detroit  SAE meeting, we  agreed
    to  suggest a list of Exxon  specialty products  (lubricants, chemical feed-
    stocks,  solvents, etc.) that you might blend into  experimental diesel
    fuels  to vary properties such  as cetane number, aromatics, and volatility
    in  order to study systematically the effects of these properties on
    diesel engine gaseous and particulate  emissions.

              The list  is attached as  Table I, with the materials grouped
    tn  low-, mid-,  and  high-aromatic classes  and in order of increasing boiling
    range  i,n each class.   The Norpars  are  almost entirely straight-chain
    paraffins of Cn-Cf2 and Ci3~Ci4 chain lengths  respectively.  They should
    impart high cetane  numbers  to  blends.   Isopar M and Telura 705 are made up
    of  highly branched  paraffins of relatively lower cetane  quality.   Telura
    705 has  a bromine number around 20 eg  Bro/g, indicating  a little olefinicity;
    all  other products  have little or  no olefins.   Marco! 52 is intermediate in
    branching between the Norpars  and  Isopar  M/Telura  705 extremes.  Unfortunately,
    we  do  not have  a  high-aromatic product with boiling temperature and viscosity
    values between  those for the last  two  products  in  the table.  High-boiling
    aromatics should  be handled with precautions against skin contact.

              All of  these products are presently on allocation, which means
    that normally they  can be supplied only to customers already having
    contracts for their purchase,  and  new  orders can not be  accepted by Exxon
    Co., U.S.A.   However, you may  be able  to  arrange the purchase of so called
                                     B-3

-------
Mr. Charles T. Hare               - 2 -                          79PR 802
"samples" on the order of, say, a barrel  or two by calling the Industrial
and Consumer Business Sales Office of Exxon Co., U.S.A.,  at (713)  680-5712
in Houston.  For any such samples, you will be specifically advised by
letter that providing them does not constitute an offer to sell  any
additional quantities in the future.  Also, some minor variation from
listed inspections should be expected.

          Please let us know if we can supply further information  on these
products, or if we can be of any assistance in their procurement.   Some
properties of blends made from different petroleum products are not easy
to predict in advance without using a variety of empirical relationships.
We would, therefore, strongly recommend that you prepare trial blends and
evaluate their properties before making large blends for engine testing
that may fail to meet your blending targets and will exhaust your supplies
of components.  We would also suggest that you avoid, as being unrealistic,
blends of only low- and high-boiling components without an adequate mid-
fill component also present.

                                             Very truly yours,
                                             G.  P. GROSS
                                             Research Associate
GPG:jk

cc: Messrs. T. M. Baines
            T. G. Lipscomb
Attachment
                                B-4

-------
                                                     TABLE I
                             Exxon Specialty Products Potentially Useful  for Studying
                                Diesel Fuel Composition Effects on Engine Emissions
                                                                Typical'  '  Inspections
          Product Name
  Norpar
  Norpar
  Isopar
  Telura
  Marcol
12
13
M
705
52
            Base
cd 3146 Hydraulic Oil
ui Mentor 28
  Telura 607
  Necton 37
  Exxon HAN (Hvy. Ar. Naphtha)
  Nuso 38
                          Aroma tics
<2
<2
19
24
16
16

84
67
            Gravity,
              °API
57.0
53.8
49.0
41.2
38.7

36.0
36.0
37.0
29.5

27.1
16.3
                                                                     D 86 Distillation,  °F
IBP

370
443
394
511
569

394
487
570
590

348
613
10%

380
451
412
523
593

444
528
590
620

386
632
393
457
429
538
623

484
564
620
655

435
662
412
471
470
569
686

536
594
685
704

494
718
TB?

 428
 486
 497
 599
>700

 578
 602
>700
 721

 528
^770
 Kin.  Vise.,
cstk at 100°F.

      1.4
      1.9
      2.4
      7.6
      7.4

      2.9
      4.3
      7.5
     14.4

      1.54
     29
   (TjAromatics contents listed
       high-viscosity materials.
       or GC distillations.  The
       boiling below the initial
       GC "distillation".
                        may be  by  MS,  silica  gel  separation, or  FIA; FIA  is not useful  for  high-boiling  or
                         Some distillation data are converted to estimated ASTM-D 86 results from vacuum
                        D 86 is a  standardized method,  but gives very poor (1-plate) separations; materials
                        and above  the  final boiling points are always present and can be better-detected by
  G. P. Gross
  July 17, 1979

-------
Chevron     _,       *»,..«
           Chevron Chemical Company
           One Crossroads of Commerce - Suite 1000
           Rolling Meadows, IL 60008
           January 29, 1980
           Mr. Bruce Bykowski
           Southwest Research  Inst.
           P.O. Drawer 28510
           San Antonio, TX  78284

           Dear Bruce:

           Enclosed you will find Chevron Alpha  Olefin  data  sheets  and  current
           pricing information.  I also  included some idea sheets which I
           thought might be of interest  to you.

           I hope this information can be of  some benefit.   Please  don't hesitate
           to call if you need any further assistance.

           Very truly yours,
           Glenn R. Weckerlin
           Technical Sales Representative
           PETROCHEMICALS DIVISION

           GRW/nn

           Encl.
                                        B-6


                            100 Years Helping to Create the Future

-------
EXXON  PETROLEUM  SOLVENTS

Test Method
HEXANE
HEPTANE
LAKTANE
SOLVENT No. 5
VM&P NAPHTHA
VARSOL 1
VARSOL 3
VARSOL 18
Low ODOR PARAFFIN
SOLVENT
TOLUENE
XYLENE
AROMATIC 100
AROMATIC 150*
HAN*
ISOPAR C
ISOPAR E
ISOPAR G
ISOPAR H
ISOPAR K
ISOPAR L
ISOPAR M
NORPAR 12
NORPAR 13
Aniline
Point
»c
°F
ASTM
D611
62
53
33
59
49
54
54
63
76
8.8<5>
10.4(5>
13.4<5>
15.4<5>
29<5>
79
76
81
84
84
86
88
82
87
143
127
92
139
120
130
130
146
169
47.8
50.7(5>
56.1<5'
59.7
84<5>
174
168
177
184
184
186
190
180
189
Kaurl-
Butanol
Number
ASTM
D 1133
31
38
51
37
40
37
38
32
29
105
98
91
92
78
27
29
28
27
27
27
27
23
22
Flash Point
TCC
°C
°F
ASTM
D56
018
~-8
~-6
<-18
7
42
41
41
66
~7
27
42
66
57<6>
— 7
~7
40
53
53
61
77(6)
69(6)
>79<6>
<0
~18
~21
<0
44
108
105
106
150
~45
80
108
150
135(6)
~19
~45
104
127
127
142
170<6>
156<6>
>175<6>
Distillation
IBP
«c
°F
50%
°C
°F
Dry Point
°C
•F
(a) ASTM 0 86
(b) ASTM 0 1076
(C) ASTM D 850
65(b>
94
101"»
71(a)
118
156(a)
154(8)
156(a)
191
155(a'
183
171(a)
98(b>
116(a>
157
176(a>
177(a)
188
207
188
149
201
214
160
244
313
310
313
375
230.4
280.4
311
362
340
208
240
315
348
350
370
405
370
443
-
96
103
103
122
175
164
176
216
-
-
160
193
223
99
121
164
182
184
194
223
201
236
-
204
218
218
252
347
327
348
420
-
-
320
380
434
211
250
328
360
363
382
434
393
457
69
99
106
133
139
202
176
199
244
111.0
140.0
173
210
277 <7>
106
139
176
191
197
206
254
219
248
157
210
223
272
282
395
348
390
472(7>
231.8
284.0
344
410
530<7>
222
283
348
375
386
403
490
426
479

























    * Note. All solvents test 30 Saybolt color except HAN (0 5
     ASTM) and AROMATIC 150 (+ 27 Saybolt)
    (1 (Excluding ethylbenzene.
    (2JTLV is a registered trademark o( the American Conference of
     Governmental Industrial Hygienists. It is the threshold limit
     value or occupational exposure limit - the time weighted aver-
     age concentration for a normal 8-hour workday, 40-hour work-
 week, to which nearly all workers may be exposed repeatedly
 without adverse effect. Refer to the most recent Material Safety
 Data Sheet for the latest recommended maximum exposure
 limit lor each solvent.
(3)A TLV has not been established for this product The value
 shown has been recommended by Exxon Corporation Medical
 Research based on consideration of available toxicological
                              B-7

-------
Typical Inspections — The values shown here are representative of current production. Some are controlled by
manufacturing specifications, while others are not.  All of them may vary within modest ranges.



*





















Evaporation Rate-Seconds
25
Vol%
SO
Vol%
75
Vol%
95
Vol%
Wetlaufer-Gregor
(modified)
21
75
102
27
196
2200
1620
2050
-
205
590
1620
7200
-
69
162
1280
2750
2900
5400
10 800
9600
-
45
150
220
250
404
5600
3600
4950
-
428
1200
3600
16400
-
141
360
2700
5900
6200
12000
32400
22800
-
77
227
360
475
624
10900
6000
9300
-
676
1895
5650
28800
-
225
580
4440
9800
10500
20100
-
-
-
110
300
540
700
856
19200
9600
14900
-
970
2580
8500
43200
-
295
835
6400
13800
15200
28600
-
-
-
Rule 102
{formerly
66)
Exempt

Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Composition, Vol%
Total
Satu-
rates
Total
Aro-
matlcs
Ci and
HlgherO)

100
96.0
82.0
95.3
87.0
82.0
81.5
92.3
97.0
0.03
0.1
2.8
2.6
20
100
100
100
100
100
99.9
99.7
99.4
99.3
0.05
4.0
18.0
4.7
13.0
18.0
18.5
7.7
3.0
99.97
99.9
97.2
97.4
80
0.02
0.02
0.03
0.04
0.03
0.06
0.3
0.6
0.7
-
-
-
4.4
7.2
18.0
18.5
7.5
3.0
0.02
75.0
97.2
97.4
80
-
-
-
-
-
-
-
-
-
Sulfur
ppm
Mlcro-
coul-
ometer
1
1
2
5
5
1
2
2
2
2
4
3
1
0.3<8>
1
1
1
1
1
1
1
<1
<1
Bromine
Index
ASTM
D2710
100
60
60
120
100
200
200
200
50
-
-
-
-
600
6
8
12
20
20
8
150
-
-
Specific
Gravity
@15.6°C
(60° F)
ASTM
01250
0.682
0.731
0.772
0.722
0.759
0.791
0.780
0.780
0.790
0.872
0.870
0.872
0.902
0.893
0.700
0.721
0.750
0.760
0.761
0.767
0.783
0.751
0.764
API
Gravity
ASTM
D 287
76.0
62.0
51.8
64.6
54.9
47.5
50.0
49.9
47.7
30.8
31.2
30.7
25.4
26.9
70.8
64.7
57.2
54.6
54.5
53.0
49.2
57.0
53.8
Viscosity
cp at
25° C
ASTM
O445
0.32
0.47
0.54
0.45
0.56
0.95
0.83
0.90
2.06<«>
0.57
0.62
0.78
1.20
2.0
0.48
0.62
1.19«>
1.58<4>
1.41'4'
1.99<4>
2.46
1.26
1.84
Inhalation
TLV<2)
ppm

100
400
400<3>
400 (3)
400
100
200<3>
200<3>
200 (3)
100
100
50<3>
100<3>
100<3>
400<3>
400<3>
300(3)
300<3>
300(3)
300 (3>
300<3>
300<3>
300<3>
  data. Additional data are being obtained to help define a recom-
  mended occupational exposure limit more conclusively.
(4) Viscosity, cp@  155C
(5)Mixed aniline point.
(6)pensky-Martens method, ASTM D 93
(7)Fmal Boiling Point.
(8) Mass %.
                                            B-8

-------
              Chevron Chsmicai Company
              Pslroohe.'nicsl Division
              ImiiioiriHl Chemicals
              b/5 Mir'-.ci Sirofd, San Francisco  CA 91105
Technical  Data  Sheet
                       CHEVRON  ALPHA  OLEFIN C15-C18
             CHEVRON ALPHA OLEFINS have a highly reactive double bond in
             the alpha  position of long straight chains. They contain both odd
             and even  number carbon atoms which alter  their properties and
             differentiate them from olefins obtained from fats or ethylene poly-
             merization. These ALPHA OLEFINS are now available in twelve
             versatile fractions.
CH3-(CH2)n-CH = CH2

      alpha olefin

where n varies from 3 to 17
             The C15-C18 ALPHA OLEFIN fraction is used in the production of surfactants, particularly AOS, as a partial
             sperm oil substitute for leather treating, in metal working and gear oil additives, as a synthetic rosin substitute,
             and in epoxidation reactions. Other possible applications include specialty chemicals, polymers, resins, and
             various chemical intermediates.

             Chevron's manufacturing control specifications and typical tests are:
             Condition at 70°F
             Color, Saybolt
             Paraffin Content, Wt. %
             Diolef in Content, Wt. %
             Straight Chain Mono Alpha Olefins, Wt.
             Peroxide Content, meq/l
             Sulfur Content, ppm
             Carbon No. Distribution, Wt. %
             Average Molecular Wt.
             Distillation at 760 mm Hg, °F
               Start
               5%
               95%
               End Point
             Density at 20°C, g/ml
             Density at 60°F, Ibs/gal
             Flash Point, TOC, °F

             'Subject to change without notice.
Specifications*
Test Method
SM 60-15
ASTM D-156
SM 100-25
SM 100-25
SM 1 00-25
SM80-16
SM 205-27
SM 100-25 C14
C,5
C-16
C17
C1S
C19
SM 100-25
ASTM D-86




ASTM D-941
—
ASTM D-1310
Minimum
Clear and
-5
—
—
87
—
—

26
25
23
8

226








Maximum
Bright, Free
—
3
6
—
5
20
5



12
3
231








Typical Tests*
of Sediment
7
2
6
89
1
15
2
30
30
28
10
0.1
226

508
523
558
584
0.789
6.59
260
             CHEVRON ALPHA OLEFIN C15-C18 is shipped in drums, tank trucks, tank cars and ocean-going vessels. All
             bulk movements are inhibited with 25 ppm ditertiary butyl paracresol unless specified otherwise by customer.
                                               B-9
                                                                                          4/76

                                                                                    C. ti\1 404-10-OC

-------
    Chevron Chsmicai Company
    PatrG^hemicci! Division
    lud'jsina! Chemicals
    5/5 Mar^; S;;an San Franc.sco. CA 94105
  mica!  Data   Sheet
                                                                                   Chevror
         CHEVRON  ALPHA OLEFIN  C15-C20
CHEVRON ALPHA OLEFINS have a highly reactive double bond in
the alpha position of long straight chains. They contain both odd
and even number carbon atoms which alter their properties and
differentiate them from olefins obtained from fats or ethylene poly-
merization. These ALPHA OLEFINS are now available in twelve
versatile fractions.
CH3 -(CH2)n -CH = CH2

      alpha olefin

where n varies from 3 to 17
The C15-C20 ALPHA OLEFIN fraction is used in the production of gasoline additives and high molecular weight
sulfonates, alkenyl succinic anhydride (ASA), metal working and gear oil additives, synthetic heavy alkylate, and
as a synthetic rosin substitute. Other possible applications include polymers and various chemical intermediates.

Chevron's manufacturing control specifications and typical tests are:
Condition at 70°F
Color, Saybott
Paraffin Content, Wt. %
Diolefin Content, Wt. %
Straight Chain Mono Alpha Olefins, Wt. %
Peroxide Content, meq/l
Carbon No. Distribution, Wt. %
Average Molecular Wt.
Distillation at 10 mm Hg, °F
  Start
  5%
  95%
  End Point
Density at 20°C, g/ml
Density at 60°F, Ibs/gal
Flash Point, TOC, °F

'Subject to change without notice.
Specifications*
Test Method
SM 60-15
ASTM D-1 56
SM 100-25
SM 100-25
SM 100-25
SM80-16
SM 100-25 C14
C15
C,6
d 7
C18
C19
C2o
C21
SM 100-25
ASTM D-1 160




ASTM D-941
-
ASTM D-1 310
Minimum
Clear and
-16
—
—
87
—


15
14
13
12
10

240








Maximum
Bright, Free
—
6
6
—
5
3
19





5
250








Typical Tests*
of Sediment
-12
5
5
88
1
1
17
18
17
17
15
12
3
244

288
295
367
406
0.787
6.60
280
CHEVRON ALPHA OLEFIN C15-C20 is shipped in drums, tank trucks, tank cars and ocean-going vessels. All
bulk movements are inhibited with 25 ppm ditertiary butyl paracresol unless specified otherwise by customer.
                                     B-10
                                                                              4/76
                                                                           '  ' •'

-------
              Chevron Chemical Company
              Petrochamics! Division
              Industrial Chemicals
              575 Market Street. San Francisco, CA 94105
Technical  Data   Sheet
                                                                                           Chevron
                       CHEVRON  ALPHA  OLEFIN  C13-C14
          CHEVRON ALPHA OLEFINS have a highly reactive double bond in
          the alpha position  of long straight chains. They contain both odd
          and even number  carbon atoms which alter their properties and
          differentiate them  from olefins obtained from fats or ethylene poly-
          merization. These  ALPHA OLEFINS  are now available in twelve
          versatile fractions.
CH3-(CH2)n -CH = CH2

      alpha olefin

where n varies from 3 to 17
          The C13-C14 ALPHA OLEFIN fraction is used primarily in the  production of oxo alcohols for detergent
          manufacture. Other possible applications include lubricants, alkylbenzene feedstock for detergent manufacture,
          specialty chemicals, polymers, resins, and various chemical intermediates.

          Chevron's manufacturing control specifications and typical tests are:
                                            Test Method

          Condition at 70°F                    SM60-15
          Color, Saybolt                      ASTM D-156
          Paraffin Content, Wt. %                SM 100-25
          Diolefin Content, Wt. %                SM 100-25
          Straight Chain Mono Alpha Olefins, Wt. %   SM 100-25
          Peroxide Content, meq/l                SM80-16
          Sulfur Content, ppm                  SM 205-27
          Carbon No. Distribution, Wt. %           SM 100-25  <
                                                      12
                                                      ,4
          Average Molecular Wt.                 SM 100-25
          Distillation at 760 mm Hg, °F            ASTM D-86
            Start
            5%
            95%
            End Point
          Density at 20°C,g/ml                 ASTM D-941
          Density at 60°F, Ibs/gal                    -
          Flash Point, TOC, °F                  ASTM D-1310

          "Subject to change without notice.
Specifications*
Minimum
Clear and
8
-
—
87
-
—

40
40









Maximum
Bright, Free
—
3
6
-
5
20
3


4








Typical Tests1
of Sediment
11
2
5
88
2
10
2
47
48
3
189
420
449
472
494
0.776
6.46
210
          CHEVRON ALPHA OLEFIN C13-C14 is shipped in drums, tank trucks, tank cars and ocean-going vessels. All
          bulk movements are inhibited with 25 ppm ditertiary butyl paracresol unless specified otherwise by customer.
                                               B-ll
                                                                                      4/76

                                                                                  CflM 404 10-OC

-------
    Chevron Chemical Company
    Petrochemical Division
    Industrial Chemicals
    575 Market Street, San Francisco, CA 94105
  inical   Data   Sheet
                                                                                    Chevroi
          CHEVRON  ALPHA OLEFIN  C11-C14
CHEVRON ALPHA OLEFINS have a highly reactive double bond in
the alpha position of long straight chains. They contain both odd
and even number carbon atoms which alter  their properties and
differentiate them from olefins obtained from fats or ethylene poly-
merization. These ALPHA OLEFINS are now available in twelve
versatile fractions.
                          CH3-(CH2)n -CH = CH2

                                alpha olefin

                          where n varies from 3 to 17
The Cn-C14 ALPHA OLEFIN fraction is used primarily as alkylbenzene feedstock for detergent manufacture
and in gasoline additives. Other possible applications include amine oxides, alkylamines, specialty chemicals,
polymers, resins and various chemical intermediates.

Chevron's manufacturing control specifications and typical tests are:
Condition at 70°F
Color, Saybolt
Paraffin Content, Wt. %
Diolefin Content, Wt. %
Straight Chain Mono Alpha Olefins, Wt. %
Peroxide Content, meq/l
Sulfur Content, ppm
Carbon No. Distribution, Wt. %
Average Molecular Wt.
Distillation at 760 mm Hg, °F
  Start
  5%
  95%
  End Point
Density at 20°C, g/ml
Density at 60°F, Ibs/gal
Flash Point, TOC, °F

* Subject to change without notice.
 Test Method

SM60-15
ASTM D-156
SM 100-25
SM 100-25
SM 100-25
SM 80-16
SM 205-27
SM 100-25
SM 100-25
ASTM D-86
                                            C,3
                                            C,4
                                            C,5
ASTM D-941

ASTM D-1310
Specifications*
Minimum
Clear
10
—
—
87
-
—

20
20
20
20

170







Maximum
and Bright, Free of
—
3
6
—
5
35
4




4
176







Typical Tests*
Sediment
14
2
5
89
1
10
1
27
24
24
23
1
174
388
398
480
494
0.770
6.42
162
CHEVRON ALPHA OLEFIN C^-C^ is shipped in drums, tank trucks, tank cars and ocean-going vessels. All
bulk movements are inhibited with 25 ppm ditertiary butyl paracresol unless specified otherwise by customer.
                                       B-12
                                                                              4/76

-------
   Chsvrcn Chemical Company
   Petrochemical Division
   Industrial Chemicals
   575 Market Street, San Francisco. CA 94105
 inical  Data  Sheet
                                                                                   Chevron
              CHEVRON ALPHA  OLEFIN C11-C12
CHEVRON ALPHA OLEFINS have a highly reactive double bond in
the alpha position  of long straight chains. They contain both odd
and even number  carbon atoms which alter  their properties and
differentiate them  from olefins obtained from fats or ethylene poly-
merization. These  ALPHA OLEFfNS are now available in twelve
versatile fractions.
CH3-(CH2)n -CH = CH2

      alpha olefin

where n varies from 3 to 17
The Cii-Ci2 ALPHA OLEFIN fraction is used  primarily in the production  of oxo alcohols for detergent
manufacture. Other possible applications include lubricants, alkylbenzene feedstock for detergent manufacture,
specialty chemicals, polymers, resins, and various chemical intermediates.

Chevron's manufacturing control specifications and typical tests are:
                                   Test Method

Condition at 70°F                     SM 60-15
Color, Saybolt                        ASTM D-156
Paraffin Content, Wt. %                 SM 100-25
Diolefin Content, Wt. %                 SM 100-25
Straight Chain Mono Alpha Olefins, Wt. %    SM 100-25
Peroxide Content, meq/l                 SM 80-16
Sulfur Content, ppm                   SM 205-27
Carbon No. Distribution, Wt. %           SM 100-25  i
                                             ,2
Average Molecular Wt.                  SM 100-25
Distillation at 760 mm Hg, °F             ASTM D-86
  Start
  5%
  95%
  End Point
Density at 20°C, g/ml                  ASTM D-941
Density at 60°F, Ibs/gal                     -
Flash Point, TOC, °F                   ASTM D-1310

*Subject to change without notice.
Specifications*
Minimum
Clear and
10
-
—
87
—
-

40
40









Maximum
Bright, Free
—
3
6
—
5
20
2


3








Typical Tests*
of Sediment
12
2
5
88
2
10
2
51
45
2
161
365
385
410
427
0.762
6.35.
160
CHEVRON ALPHA OLEFIN C^-C^ is shipped in drums, tank trucks, tank cars and ocean-going vessels. All
bulk movements are inhibited with 25 ppm ditertiary butyl paracresol unless specified otherwise by customer.

                                        B-13
                                                                              4/76
                                                                           ci''-' J04 in oc

-------
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1 L'O . Oo

-------
               APPENDIX C





TEST PLAN AND DATA REDUCTION INFORMATION

-------
                  85 KM/H Cruise Conditions









 1.  Before beginning a days run, set room air to 68°F.




 2.  CVS heater box should be off.




 3.  Run 15 minutes after last FTP.





 4.  Start vehicle and sampling systems.  Start roll counter.




 5.  Accelerate to and hold vehicle to 85 km/h cruise condition for 10 minutes.




 6.  At 10 minute mark, stop sampling.  Stop roll counter.




 7.  After sampling has stopped, stop vehicle and shut-off engine.




 8.  Soak for 10 minutes.




 9.  Start vehicle and bring vehicle to 85 km/h.




10.  Begin additional 10 minutes of sampling.  Start roll counter.




11.  Stop sampling. Stop roll counter.




12.  Stop vehicle.  Test Complete.




13.  After test, reset room air temperature.
                                    C-2

-------
                                                   FTP
                                                           ''                   RESULTS
      wn
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 PARO"ETER 740.16  MM HO (2°. 14  IN HG?
 RELATVE "HUM'IPTTY ""•**'" PCT
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    DESCRIPTION

    Bl n!-!ER DIP P  MM:  H20(IN. H20)
    prni.JFp TN! FIT  p MM ~u/'~u;>n)
           INLET  TEMP. PEG. C'DEO"  F?
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    ur' CAMPI ^''"'
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    Fno qAMpi'F MFTF'pYpAMRFV'pr'f
    rfn prVRpn MCTFP'/PAMRF /prj
    MOV CAMPi F MFTFP/PANRF/PPM
    kinv prjfhpri MFTFP'/PAWRF'/PPM
    rifi'nTTHiTi"FArfhp ........
    "^""^MrFWTPAfTnK! PPM
    CO  CONCEN'tRfttlON PPM
    C02 CONCENTR*tlON PCT
    wn  rnMrFMTPATTniq PPM
    CO  MASS  GRAMS
    C02 MASS  GRAMS
        MACC  RPAMQ
    HC  GRAMS/KM
    rn  RpAMc'/i^M
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    FUELCOhSUMPTIOM PY CP  L/100KM

    PUN TTMF
                             ~
             .  .FT
         un
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COMPOSITE  RESULTS
""  TEST~NUMPER "
              ""
    TFMPFPATIIPF
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                  G/KG"    12!!
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PRY PULP TEMP
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1
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0 7
STABILIZED HOT TRANSIENT
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-------
                                   6C.
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C-6

-------
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-------
      APPENDIX D





GASEOUS EMISSIONS DATA

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-------
             APPENDIX E





SMOKE AND PARTICULATE EMISSIONS DATA

-------
                                                       fir
                                                        \ •


          .-4 r


• 4 , -
' i ;
- -, : i ~-f :----_ i.- . -f - -
; - - i ! ; - -- - -t - -
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: ;, I
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i 1 - '
_'_ 	 i ;a • r
	 1 	
                                                                                                            X
                                                                                                             w
rl-
M



NJ
                                                                               I*C7-M ON
                              Figure E-l.  Cold start smoke trace,  fuel EM-395-F.

-------

4- • ;-^
"'-KJH-

: ! ' . i . . -
. , , 	 I . . ., r_t 	
f^kii>tfe


— '-.If-.
-H-tr

- ."-
,f4±f

; r
^:tS

lj - i i
_^ 	 , , ^ 	 , 	 . . , j , 	 . 	 1_ 	 . 	 j 	 ~
^;:i;i-ii^|~ijr:^F


•i

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iS4r-:-T


-P^


_^..L!. ~'

1
r •-. M 1 . t i n


riff

- i"— \. 	 :
:*ii:j::..-. s; ;
Figure E-2.   Cold start smoke trace,  fuel EM-401-F.

-------
               — r-nr,-^- u1"**^. lO.
                    -- p
                      C.
                                                              ;s=zT
'ElfflAUST  SMOKE


          o
                               TT
                    -£t-
       — 8f
        T~""^0 -1 - kM/flS.-JUfe.' JgiO' ^CCEL-—f
                                                                    -*7—i-
                                              _COLD

                                               IDI£
*>
                               Figure E-3.  Cold start smoke trace, fuel EM-404-F.

-------
_:.! r.: .j—-—t — t- - -' -

                              Figure E-4.  Cold start smoke trace,  fuel EM-405-F.

-------
M



(Ti
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             EXHAUST SMOKE
tr-
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-------
H
       ill!-.
;n
                                     j.  ,	D '_	'   _

                                           Ol
                                                             EXHAUST SMOKE ;

                                                                    I
                                          HR
                                              HJ-.-J_:ii>LE
    '   I,  • '•   j    :
-g-j—4--j—rr -f-
                                                                   - FIRJST ACCEL-
                                                                   •    '        ;
                                                                      'I
                 CC(LD_

                 'iaiiE
                                                                                     ~r--3r~r-H	  -J
                                                            _li_OJ_.  _ .! .
                            Figure E-6.  Cold start smoke trace,  fuel EM-438-F.

-------
H
I
00
: ; -: "
i . - .
i
20
SEC

in
Q ;
i . . :
                                                                                                        _
                                                                                                    - ' W
                          Figure E-7.  Cold start smoke  trace,  fuel EM-448-F.

-------
a
i
ID
                                                    ft KM/HR{--56 fMPH)  j
                              Figure E-8.  Cold start smoke trace,  fuel EM-460-F.

-------
I
I-1
o
           -I
                                                        EXHAUST "SMOKE
                                                                                                   1!
                                                                                                       2
                                                                                                       H
                                                                                                       -CX
                       -
                       -
                                                                      _i	_i	
                                                                     	^	  i	
                                                                                —u
                                                                                r^±:
50.1 KM/HR (^56jfl'H)
                                                                                        :."___"T	_- J-
                                                                                         	i	 i^  ^
                                         .!-!_£_
                             Figure E-9.  Cold start smoke trace,  fuel EM-461-F.

-------

                 90.1:KM/HRr (56 MPH)
Figure E-10.  Cold start smoke trace, EM-463-F.

-------
                                   PARTICLE SIZE  DISTRIBUTION DURING COLD AND HOT FTP
Fuel Code
EM-
39 5 -F
404-F
405-F
430-F
434-F
438-F
448-F
401-F
460-F
461-F
463-F

Stage 3
6.6 yma
100.000
100.000
99.999
100.026
100.011
100.001
100.000
100.001
99.805
100.000
99.990
Cumulative Percent of Total Particulate
Stage 4
4.1 ym
97.727
99.845
99.351
96.643
100.011
100.001
97.228
98.283
98.553
100.000
97.949
Stage 5
2.6 ym
94.960
99.845
99.027
92.843
98.618
97.023
96.040
98.283
98.457
96.269
95.997
Stage 6
1.1 ym
92.058
97.836
99.027
87.560
97.534
93.261
89.505
94.657
96.916
93.844
94.584

Average
V max.
V min.
S.D.
Range
Vari.
99.985
100.026
99.805
0.060
0.221
0.060
98.690
100.011
96.643
1.222
3.368
1.238
97.033
99.845
92.843
2.061
7.002
2.123
94.253
99.027
89.505
3.565
9.522
3.782
Stage 7
0 . 85 ym
87.827
97.836
94.165
81.854
89.791
87.775
88.119
92.749
96.531
92.911
87.520
Stage 8
0.54 ym
83.817
91.190
89.303
75.624
89.791
83.073
82.574
89.886
96.242
90.112
86.892
Stage 9
0 . 34 ym
79.944
87.481
86.224
70.763
82.199
79.938
78.218
88.359
91.714
88.993
85.165
Stage 10
0.08 ym
74.873
85.626
84.279
67.593
71.827
75.549
75.050
83.588
87.090
86.194
82.653
Filter
68.264
80.835
81.523
62.942
59.443
69.906
66.535
77.481
77.938
85.821
80.926
Vehicle Total
Particulate, gb
4.014
4.108
4.306
4.451
5.214
3.891
2.990
3.627
5.212
3.821
6.763

90.643
97.836
81.854
4.676
15.982
5.159
87.137
96.242
75.624
5.554
20.618
6.374
83.545
91.714
70.763
6.037
20.951
7.226
79.484
87.090
67.593
6.685
19.497
8.410
73.783
85.821
59.443
8.704
26.378
11.798
4.399
6.763
2.990
1.016
3.773
23.102
td
i
     Effective cutoff  diameter

     Based on 47 mm Pallflex

-------
                                                               PARTICULATE ANALYSES
Test No.
395-A, 1
395-B, 1
395-B, 2
404 -A, 1
404-E, 1
405-A, 1
405-B, 1
430-A, 1
395-?.. 2
395-E, 1
434-A, 1
434-B, 1
434-D, 1
434-D, 2
Fuel
EM-395-F
EM-395-F
EM-395-F
EM-404-F
EM-404-F
EM-405-F
EM-404-F
EM-430-F
EM-395-F
EM-395-F
EM-434-F
EM-434-F
EM-434-F
EM-434-F
Cycle
FTPC
FTPh
FTPC
FTPh
85 km/h
85 km/h
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
85 km/h
85 km/h
85 km/h
Particulate
Percent
Carbon
76.5
88.3
87.2
90.0
80.4
77.9
84.9
91.4
87.0
84.4
82.0
86.1
87.0
88.0
84.8
79.7
80.3
94.8
94.9
—
78.5
84.0
85.8
—
84.4
Hydrogen
5.3
6.6
5.5
6.6
6.8
7.0
4.9
5.9
5.1
5.2
6.0
4.9
4.8
5.1
6.5
2.5
2.6
3.2
3.2
—
3.7
2.2
1.8
2.9
—
2.3
Nitrogen
0.19
0.23
0.27
0.26
0.25
0.23
<0.10
<0.10
<0.10
<0.10
<0.10
<0.10

-------
                                                                   PARTICULATE ANALYSES (Cont'd).
Test No.
438-A, 1
438-E, 1
448-A, 1
448-A, 2
401-A, 1
401-B, 1
460-A, 1
460-E, 1
461-A, 1
461-B, 1
395-B, 4
395-A, 3
463-A, 1
463-B, 1
Fuel
EM-438-F
EM-438-F
EM-448-F
EM-448-F
EM-401-F
EM-401-F
EM-460-F
EM-460-F
EM-461-F
EM-461-F
EM- 39 5 -F
EM-395-F
EM-463-F
EM-463-F
Cycle
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
85 km/h
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
FTPC
LFTPh
FTPC
FTPh
85 km/h
FTPC
FTPh
FTPC
FTPh
FTPC
FTPh
Particulate
Percent
Carbon
77.8
75.6
84.3
78.8
94.0
75.2
97.5
77.9
91.9
74.2
86.0
78.6
73.5
79.3
87.6
80.4
84.3
87.6
85.0
76.6
80.3
75.9
81.8
85.3
73.4
88.6
82.9
82.7
—
Hydrogen
5.7
6.0
6.5
6.2
4.1
3.1
3.3
2.7
3.0
2.9
5.2
2.1
2.3
4.2
2.0
2.1
2.1
2.0
2.3
2.4
2.4
2.4
2.3
2.5
3.8
2.3
1.5
1.5
—
Nitrogen
0.49
0.94
0.45
0.45
0.70
0.39
0.53
0.51
0.46
0.35
0.40
0.39
0.34
0.35
0.32
0.25
0.31
0.32
0.44
0.30
0.36
0.28
0.33
0.29
0.30
0.40
0.27
0.25
—
Oxygen
24.3
22.7
17.2
22.2
4.6
15.7
24.8
31.7
4.8
18.2
9.6
—
25.9
22.2
—
23.5
31.4
27.2
27.1
14.4
30.9
19.0
—
17.8
15.2
—
Total Vehicle
Particulate
g/testa
1.96
1.93
1.88
1.68
2.11
1.70
1.53
1.45
1.85
1.77
2.53
1.92
1.67
2.22
2.77
2.44
2.58
2.52
2.03
1.80
2.07
1.79
2.11
2.07
2.74
2.21
2.08
3.41
3.54
3.38
3.38
Organic Soluble Portion of Particulate
Percent
Carbon
—
74.5
75.9
73.0
76.6
—
E
80.1
78.3
74.6
—
32.1
8?. 6
83.0
82.4
	
82.9
83.3
82.1
83.0
—
82.8
81.7
Hydrogen
--
9.4
10.0
9.1
10.6
—
—
11.5
11.1
9.0
~
12.0
12.2
12.3
12.5
	
12.6
12.5
12.0
12.6
—
12.4
12.3
Nitrogen
—
1.35
1.32
0.97
1.63
—
E
1.02
1.39
1.56
—
0.23
0.21
0.20
0.25
	
0.21
0.25
0.29
0.21
—
0.23
0.25
Sulfur
—
0.66
0.67
0.58
0.62
—
E
0.51
0.51
0.75
—
0.40
0.39
0.43
0.45
—
0.46
0.46
0.51
0.49
—
0.44
0.55
Oxygen
—
13.1
12.6
14.7
9.1
—
--
5.7
7.0
11.5
—
5.5
4.3
5.1
—
4.4
3.9
6.3
4.7
—
4.3
5.5
Vehicle
Total
Solubles,
g/testa
—
0.331
0.316
0.388
0.325
—
	
0.265
0.286
0.693
—
0.333
0.363
0.337
0.297
—
0.321
0.379
0.789
0,287
0.345
—
0.402
0.412
% of Total
Particulate
—
17.6
18.8
18.4
19.1
—
;;
13.8
17.1
31.2
—
12.9
14.4
16.6
16.5
—
15.2
18.3
28.8
13.0
16.6
—
11.9
12.2
H
 I
        Based  on  47 mm Pallflex filter rate

-------
                       PERCENT TRACE ELEMENTS  IN PARTICULATE  11ATTEH
Fuel
Cycle
Elements , pet
Na
Mg
Al
Si
P
S
Cl
Ca
Ti
Fe
Zn
Sn
Ba
Cr
Pb
Mn
Br
Cd
K
Cu
Ni
V
Sb
Total Percent
of Particulate
Total Vehicle
Particulate,
g/test a
EM-395-F
FTPC

0.0099
0.0254
0.0155
0.0317
0.0641
0.3070
0.0148
0.1275
0.0028
0.7810
0.0803
0 . 0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0014
0.0000
0.0000
0.0000
0.0000
1.4614
2.24
FTPh

0.0140
0.0176
0.0074
0.0221
0.0544
0.2176
0.0118
0.0706
0.0007
0.3309
0.0647
0.0051
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0 . 0000
0.0000
0.0000
0.0000
0.0000
0.8169
1.97
85 tan/hr

0.0231
0.0188
0.0014
0.0082
0.0981
0.2620
0.0072
0.0899
0.0000
0.0389
0.1221
0.0000
0.0000
0 . 0000
0.0000
0.0000
0.0000
0.0000
0.0024
0.0000
0.0000
0 . 0000
0.0000
0.6721
3.11
EM-404-F
FTPc

0.0156
0.0289
0.0211
0.0469
0.0688
0.3773
0.0102
0.1359
0.0039
0.7094
0.0820
0.0070
0.0047
0.0000
0 . 0000
0.0000
0.0000
0.0000
0.0031
0.0000
0.0000
0.0000
0.0000
1.5148
2.04
FTPh

0.0000
0.0208
0.0115
0.0354
0.0635
0.2490
0.0000
0.0917
0.0021
0.3729
0.0813
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0 . 0000
0.9282
1.90
EM-405-F
FTPC

0.0112
0.0280
0.0184
0.0344
0.0664
0.4424
0.0128
0.1280
0.0032
1.8144
0.1104
0 . 0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0024
0.0000
0.0000
0 . 0000
0 . 0000
2.6720
2.23
FTPh

0.0145
0.0205
0.0094
0.0291
0.0564
0.2342
0.0513
0.0761
0.0000
0.6923
0.0829
0 . 0068
0 . 0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
1.2735
1.98
85 km/hr

0.0282
0.0192
0.0000
0.0051
0.0788
0.2423
0.0000
0.0763
0.0000
0.1269
0.1276
0.0109
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.7153
2.45
EM-430-F
FTPC

~
--
—
~
—
--
—
—
—
—
—
~
—
—
--
—
—
—
—
—
~
—
—
—
—
FTPh

0.0000
0.0286
0.0464
0.0810
0.0750
0.5548
0.0083
0.1643
0.0155
0.9929
0.0905
0.0000
0.0000
0.0000
0.0000
0 . 0000
0.0000
0.0000
0 . 0060
0 . 0000
0.0000
0.0000
0.0000
2.0633
1.93
based on data from 47 mm Pallflex filter data
                                      E-15

-------
                  PERCENT TRACE ELEMENTS  IN PARTICULATE  MATTER (CONT'D)
Fuel
Cycle
Elements , pet
Na
Mg
Al
Si
P
S
Cl
Ca
Ti
Fe
Zn
Sn
Ba
Cr
Pb
Mn
Br
Cd
K
Cu
Ni
V
Sb
Total Percent
of Particulate
Total Vehicle
Particulate ,
g/test a
EM-434-F
FTPC

0.0000
0.0081
0.0129
0.0264
0.0490
0.5600
0.0210
0.0893
0.0000
0.4104
0.0543
0.0000
0.0102
0.0000
0.3448
0.0000
0.0785
0.0000
0.0065
0.0000
0.0000
0.0000
0.0000
1.6714
2.59
FTPh

0.0000
0.0178
0.0145
0.0355
0.0484
0.4645
0.0210
0.0829
0.0054
0.3100
0.0673
0.0000
0.0000
0.0000
0.2422
0.0000
0.0651
0.0000
0.0059
0.0000
0.0000
0.0140
0.0000
1.3945
2.64
85 km/hr

0.0000
0.0076
0.0000
0.0123
0.0563
0.4689
0.0158
0.0692
0.0000
0.0651
0.0464
0.0000
0.0000
0.0000
0.0000
0.0000
0 . 0446
0.0000
0.0065
0.0000
0.0000
0.0000
0.0000
0.7927
3.69
EM-438-F
FTP0

0.0000
0.0165
0.0137
0.0261
0.0742
0.3613
0.0206
0.1126
0.0000
0.3709
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0 . 0000
0.0000
0.0137
0.0000
0.0000
0.0000
0.0000
1.0096
1.88
FTPh

0.0000
0.0000
0.0017
0.0000
0.0923
0.1779
0.0017
0.1124
0.0000
0.1309
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0168
0.0000
0.0000
0.0000
0.0000
0.5337
1.68
EM-448-F
FTPf.

0.0000
0.0207
0.0221
0.0318
0.0649
1.0000
0.0180
0.1326
0.0069
0.4751
0.0304
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0097
0.0000
0.0000
0.0000
0.0000
1.8122
1.82
FTPh

0.0000
0.0045
0.0105
0.0331
0.0602
0.1883
0.0090
0.1205
0.0075
0.2169
0.0407
0.0000
0.0090
0.0000
0.0000
0.0000
0.0000
0.0000
0.0075
0.0000
0.0000
0.0000
0.0000
0.7077
1.58
EM-401-F
FTPC

0.0000
0.0196
0.0187
0.0299
0.0541
0.4384
0.0131
0.1203
0.0037
0.8853
0.0774
0.0000
0.0065
0.0000
0.0000
0.0000
0.0000
0.0000
0.0084
0.0000
0.0000
0.0000
0.0000
1.6754
1.92
FTPh

0.0000
0.0173
0.0135
0.0289
0.0423
0.1983
0.0096
0.0799
0.0077
0.3090
0.0645
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0 . 0048
0.0000
0.0000
0.0000
0.0000
0.7758
1.67
85 km/hr

0.0000
0.0141
0.0047
0.0055
0.0578
0.3227
0.0086
0.0664
0.0000
0.2063
0.0945
0.0000
0.0000
0.0000
0.1617
0.0000
0.0000
0.0000
0.0031
0.0000
0 . 0000
0.0000
0.0000
0.9454
2.23
based on data from 47 mm Pallflex filter data
                                       E-16

-------
                  PERCENT TRACE ELEMENTS  IN PARTICULATE MATTER (CONT'D)
Fuel
Cycle
Elements, pet
Na
Mg
Al
Si
P
S
Cl
Ca
Ti
Fe
Zn
Sn
Ba
Cr
Pb
Mn
Br
Cd
K
Cu
Ni
V
Sb
Total Percent
of Particulate
Total Vehicle
Particulate ,
g/testa
EM-460-F
FTPc

0.0053
0.0190
0.0295
0.0380
0.0348
0.2700
0.0105
0.1102
0.0058
0.4051
0.0659
0.0000
0.0000
0 . 0000
0.2062
0.0000
0.0000
0.0000
0.0063
0.0000
0.0000
0.0000
0.0000
1.2066
2.58
FTPh

0.0000
0.0135
0.0135
0.0217
0.0314
0.1704
0.0090
0.0635
0.0037
0.2309
0.0575
0.0000
0.0000
0.0000
0.1764
0.0000
0.0583
0.0000
0.0037
0.0000
0.0000
0.0000
0.0000
0.8535
2.54
EM-461-F
FTPC

0.0000
0.0185
0.0185
0.0371
0.2116
0.3205
0.0131
0.4340
0.0000
0.4571
0.0803
0.0000
0.0000
0.0000
0.0000
0.0000
0.0000
0.0039
0.0116
0.0000
0.0409
0.0000
0.0463
1.6934
2.03
FTPh

0.0000
0.0168
0.0089
0.0287
0.2478
0.1804
0.0099
0.4668
0.0000
0.1764
0.0852
0.0000
0.0000
0.0000
0.0000
0.0000
0.0337
0.0030
0.0000
0.0000
0.0000
0.0000
0.0575
1.3151
1.80
EM-395-F
FTPc

0.0059
0.0252
0.0185
0.0353
0.2271
0.2902
0.0151
0.4483
0.0000
0.3936
0.0942
0.0000
0.0008
0.0000
0.0000
0.0000
0.0202
0.0017
0.0101
0.0000
0.0378
0.0000
0.0513
1.6753
2.11
FTPh

0.0066
0.0142
0.0028
0.0245
0.2283
0.1679
0.0104
0.4292
0.0000
0.1425
0.0698
0.0000
0.0000
0.0000
0.0000
0.0000
0.0179
0.0019
0.0028
0.0000
0.0160
0.0000
0.0557
1.1905
2.07
85 km/hr

0.0094
0.0152
0.0023
0.0141
0.1870
0.2673
0.0082
0.2931
0.0000
0.1002
0.1166
0 . 0000
0.0000
0.0000
0.0000
0 . 0000
0.0399
0.0018
0.0029
0.0000
0.0000
0.0000
0.0346
1.0926
2.74
EM-463-F
FTPC

0.0157
0.0141
0.0039
0.0219
0.1648
0.3161
0.0112
0.3487
0.0000
0.2222
0.0636
0.0000
0 . 0000
0.0000
0.0000
0.0000
0.0394
0.0028
0.0073
0.0000
0.0382
0 . 0000
0.0354
1.3053
3.38
FTPh

0.0296
0.0124
0.0054
0.0232
0.1546
0.2606
0.0075
0.3107
0.0000
0.1131
0.0576
0.0000
0.0000
0.0000
0.0000
0 . 0000
0.0000
0.0027
0.0054
0.0000
0.0000
0.0000
0.0355
1.0183
3.38
based on data from 47 mm Pallflex filter data
                                       E-17

-------
I
M
00
                 Figure E-l.   "Altamont"  crude oil output from high-temperature gas chromatograph run.

-------
td
i
                Figure E-2.  Example of a chromatograph of organic solubles from particulate matter,

                                         vehicle operated on EM-463-F fuel.

-------
SOUTHWEST  RESEARCH  INSTITUTE
POST OFFICE DRAWER 2851O
                       622O CULEBR A ROAD
                                         SAN ANTONIO. TEX AS 78284
                                                                (512)684-5111
Ms .  Debra  Sklarew
Battelle Avenue
PO Box 9999
Richland WA   99352

Dear Debra:

     The enclosed filters  have been sent to  you at the  request of
Tom  Baines of the Emission Control  Technology Division,  EPA,  Ann
Arbor,  Michigan.  These  samples are to be used for  nitroaromatic
analysis via  HERL-EMSL contract.  The particulate was collected on
20 x 20 inch  Pallflex filters  from  a 1975 Mercedes 240D  vehicle.
The  147 CID diesel  engine  was fueled with various fuels whose spe-
cifications are  summarized in Table 1.

     The vehicle was  driven through five consecutive Highway Fuel
Economy Tests (HFET's).  The vehicle's exhaust was drawn  through a
dilution tunnel  and a portion of the diluted exhaust was  drawn
through the filter.  The particulate weights of each filter are
listed in  Table  2.

     If you have any  questions  regarding the filters, please call
me at  (512)   684-5111, ext. 2937.

                                     Sincerely,
                                     Bruce B.  Bykowski
                                     Research  Scientist
                                     Department of Emissions Research
 BBB : cp
 Enclosures
 cc:  T.  M. Baines,  EPA-AA
      C.  T. Hare,  SwRI
                                  E-20

           SAN  ANTONIO, HOU S T ON, TEXAS, AND WASHINGTON.  D.C

-------
                                                     TABLE 1.   FUEL PROPERTIES
Substance
Code (EM-
Cetane No.
Cetane Index (D976)
50% point, °F
Gravity, °API @ 60 °F
Density, g/m£ @ 60 °F
Carbon , wt . %
Hydrogen , wt . %
Oxygen , wt . %
Nitrogen, ppm (oxid. pyrolysis)
Calculated H/C, numeric
Carbon No. Range (G.C.)
Aromatics, vol. %
Olefins, vol. % (D1319)
Paraffins, vol. %
Viscosity, cs @ 100°F (D445)
Gum, mg/100 m£ (D481)
Boiling Range, °C (IBP-EP, D86)
5%
20%
50%
70%
95%
Residue, wt. % (D86)
Boiling Range, °C (IBP-EP, D2887)
5%
20%
50%
70%
95%
Residue, wt. % (D2887)
Base Fuel,
Heavy Aromatics,
151 r- 3
463-F
60 .
44
421
40.0
0.826
86.38
13.08
0.21
718
1.80
10-16
30.8
1.2
68.0
1.51
2.4

202
209
216
222
244
1.0

199
215
228
240
269
0
Minimum
Quality No. 2
241-F
_»
41.8
258
32.8
0.861
87.5
12.3
—
240
1.68
—
34.6
1.0
64.4
2.44
11.8

—
227
258
277
311
0.5

—
—
.-.
—
—
~—
Shale Diesel
Fuel-Marine
453-F
48.6
54.5
—
37.9
0.835
86.3
13.4
—
5
—
—
29.9
1.6
—
2.61
0.3

229
246
—
__
302
—

196
237
__
—
325
— —
Base Fuel +
Isoquinoline
405-F
61
56
418
46.4
0.795
85.09
14.58
—
930
2.05
10-14
6.6
1.5
91.8
1.58
0.6

208
211
214
218
229
0.5

195
204
219
231
251
0.5
M

-------
         TABLE 2.  FILTER CODES AND WEIGHTS
Fuel Code            Filter Code        Filter Weight, g

EM-463-F             5423-P20-42             0.6319
                     5423-P20-43             0.5895
                     5423-P20-44             0.5736
                     5423-P20-45             0.5693
                     5423-P20-46             0.5715

EM-453-F             5423-P20-47             0.4271
                     5423-P20-48             0.4321
                     5423-P20-49             0.4538
                     5423-P20-50             0.4515
                     5423-P20-51             0.4728

EM-241-F             5423-P20-52             0.6502
                     5423-P20-53             0.6496
                     5423-P20-54             0.6873
                     5423-P20-55             0.6795
                     5423-P20-56             0.6688

EM-405-F             5423-P20-57             0.3793
                     5423-P20-58             0.3914
                     5423-P20-59             0.3961
                     5423-P20-60             0.4001
                        E-22

-------

TEST Nn:
i')Fuiri'f '
      ~
443-
  "
                       R"N
                    =;
  PAROMETER 741:17  MM HO(2? 18 IN HG)
  pFi'afTuF'HiiMTTiTTY V?" PPT~~
0 BAG RESULTS
     TESf'CYCLE

     BLOWER DIP  P MM:  H20(IN:  H20)
     BLOWER INLET P MM:~^2Q(iN:~H20)
     RI niipp T ijTrf TFMP '.  iiFR.' ~r f npR ~ F )
     RfnuFp pFunYii
     tnf"Fi'ni.r«!fri"
     HC  SAMPLE  METEP./RANOE/PPM "
     HP  Prjfhpfi  MFTFP /PAMRF /PPM
     CO  SAMPLE  METER/RANGE/PPM
     rfi  prirRpn  MFTFP/jJaMRF/PPM
     C02 SAMPLE  METER/RANGE/PCT
     PflO RPKRRT5  MFtpp'/PANRF/pPT
     MOV CAMpi'F  MFTFP/ifAMRf /PPM
     MHY   '
     HTi'i
  m  HPPOMPFMTPATTOW PPM
   i  pn  CONCENTRATION PPM
  ^  pn? pnMPFJaTPATTnN PPT
  w  N"X CONCENtRAtlON PPM
     HC  MASS~5RAMS"~	
     CO  MASS  GRAMS
     rnr> MAR§  RPAMC
     WHY MAcq  RRAM^
     PHM TTMF  "	"
         'npp. UFT
          VPF. iJFT
          MOL  (SCM)
          CAM  Rl"p /CPM)
          KM   (MEASURED)

     TFCT MUMPER-
     PAPHMFFPT""          MM  MR
             '"            G/KG"
                           nFR P
     ' P A'psriM' n V n Y T np.       R /KM
     FUEL"CONSUMPTION•    L/100KM

     HYTIPnPAPRnMC.
           '"MnMnYTnF.
            nfMTTPrtRFM.  R/KM
                                                          VEHICLE EMISSIONS RESULTS
                                                            Pp!oJECT~-§43-obl
                                                        BAG~CART"NO"
                                                             '
     MFTRMT   1588:  KG( 3500: LPS)
APTIIAI "pnATi inAn"  274 KH("il:2 HP)
          FMI4A7-F
           ^"'7"M( 9030:  MILES)
                                           CVSNO    3

                                           DRY PULP TEMP:  27:8 DEG C(82:0 DEG F)
                                           APS : "HUMIDITY  12: 4~GM.~KG~    "

                                              HFET

                                          404:5 (23:8)
                                             -       -
                                                                                                NOX HUMIDITY CORRECTION FACTOR  1:04
                                             19779"
                                             ""
                                          11- 3/13 x  10-
                                          "         "i!
                                              / 7    n=;
                                              / ?'/  17"
                                              '/ 2/  "l-
                                              4*~47
                                              "9."
                                                o!
                                               v24
                                              19. A
                                                 -97
                                               1:87
                                           .P7R
                                          1 .000 (  '?*>?')
                                             187:0
                                             4 :  '
                                             /7-R
                                              97 'P
                                              "5l~3
                                               7§~
                                                19

-------
  TEST NO:   453-T    RUN    1
  UEHICLE MODEL*  75 MFprpnec
        ~:4"L7l4?:~rIDY~L-4~
               ''
                                              HFET   MEHICLE EMISSIONS RESULTS
                                                      F'F:6jECT~l!-§'*23-001

                                                   '.'EHICLE N0:l
                                                   DATE    ?/23 '80
                                                      ~' wn" "i
                                                                 9
                                                                                               TEST '.-.'EIGHT   1598:  KG(  3500:  LRS)
                                                                                               ACTUA'"p^Ari i  "A?1"   H"*  KM?~ii~'i~Hp}
                                                                                               DIESEL    EM-45^-F
                                                                                                         liA.Art""k'M/  QIAO.  MTI

  BAROMETER 73?;?0 MM HG*!29;13
  RELATIVE "HUMIDITY  46      ""
0 BAG RESULTS
     TEST "YCLE
     BLO!-!ER DIP P MM: H20(IN:  H.20)
     BLOWER INLET P MM: H20(IN:  H20!>
     BLOi-JER INLET TEMP • DE^ • "^ ( DPR" ' F >
                '
                                                   DRY BULB TEMP: 25.0 DEO C(77.0 DEG F)
                                                      ;. "wfiMTflTTY  Q~-.~
                                                                                            WHY HIIMTriTTY mPPFPTTOM
                                                                                                                              . 0=;
                                                      HFET

                                                    /.
     TOT FLOsD~ C1"1 ~ METRES ((?rF}
      C    MP   MN"

                MFTFppAMRF/PpM
                MEtER/rRANGP/PPM
                MFT?p"/iMRF'/rT
   MAY  SAMPI E  METPR'RANR^/PPM
   NOX  BCKGRD  MEtER/RANGE/PPM
   DILUTION  FACTOR	
   HCCONCENTRATION PPM
M  CO   CONCENtRATION PPM

rf^  WHY  rnMrFWTP6TTnw PPM
     CO  MASS GRAMS
     rn?
     PMM TTMF
          DFC? WET  (PRY)
          SCFr i-JET  (DRY?
          l"'OL (SCM)
          QfiM Rl"p (CPM)
            "
     TEST NUMBER
TEMPERAtUREr
 CARBON DIOXIDEf
FUEL* CONSUMPTION ?
                          MM HR
                          R/K'h"
                          DEG~C
                          ~G/KM
     HYDROCARBONS ?        G/KM
     CARBON MONOXIDE?     G/KM
            nr MTTprtRnj.
                                                          11
                                                  57!4/"7>  .07
                                                  " 7 ! 7/ 7 /  ! 0 A
                                                  40 '9/ ?/  41"
                                                   i.?/ 2/   2:
                                                   "  1472?
                                                      ~'~'
                                                             so
                                                            ?l3
                                                           "i '. 17
                                                              Q7
                                                        (  • ?77 )
                                                     169.'=; .....
                                                     4^ 7
                                                       '
                                                    453-T
                                                     779! 9
                                                     ' "Q'T
                                                       .07
                                                        37

-------
TEST NO.   241-T
     .£ MODEL"  ~
       9"I" I 7li7.
   RUN   1
5 MERCEDES
"rTriY~ri.d~
  BAROMETER 737. *2  MM HO (2?. 04 IN HO)
  RELATIME HUMIDITY  44* PCt"
0 BAO RESULTS     ...... "'
     TEST~CYCLE

     BLOWER DIP  P MM. H20(IN: H20)
     BLOWER INLET P MM:  H20(IN. H20?
     SfnuFp TwTFT TFMP'  HFR. "r/TiFn" F>
     ni nfJF P    "
        "'
UP
ur
rn
rn
C02
rn-5
wny
         CAMPLE  METER/RANBE/PPM
         firifRpfi  MFTFP"/P"&WRF'/PPM'
         CAMpi_F    TER 'RANOE /PPM
         SAMPLE  METER/RANOE/PCT
                 MFTFP' VP&MRF /prj
                        "
MOX
iriri
ur
rn
         BCKGRD  MEER/RANOE/PP
         TTnN  parfiip .........
         rniirFMTp&f TQW PPM
         rnMrFMTPATinki PPM
         CQNCEMTRAtlQN PCT
                        PPM
rn  MACQ RRAMS
Frb M6QC RRAMC
NOX MASS ORAMS
PMM TTMP " ...... "
    'npr. UFT
     cj'rp'. WFT
     uni '
                           QFPnwn<5
             "      SL'RED)
TEST NUMBER f
^ARnMETER~
          '
                           MM HO
                               "
TFMpFPATl'lpF .
' FipRfiM ' n'f Fiy T HF .
FUEL" CONSUMPTION •

HYDROCARBONS.-
        OXIDE-
                           L/OKM

                           6/KM
                           0/KM
                                                   HFET    VEHICLE EMISSIONS RESULTS
                                                           "PROJECT"ii-5423-00i"

                                                         VEHICLE NO.1
                                                         DATE9/24/90
                                                         car;~rAPT' wn  "i
                                                             '    ""'
                                                                                             TCCT IJFTfJUT  1^Rfl. lfR(  3500:  LBS)
                                                                                             irTiJ6i'~pniri LOAD"  5*4  K'~!("ii72~HP>
                                                                                                                 ' ~ K'HI  QIAO.  MTI
                                                   DRY  BULB  TEMP:
                                                   ARC  "iJUMTriTTV
                                                                                    .
                                                                                                NnX HUMIDITY CORRECTION  FACTOR
                                                      HFET


                                                  62?:?  (24:8)

                                                  477:5  (18:8)
                                                      1879(6f 31
                                                      ?§'. 7/11 /""20
                                                      "?' =:'/"?'/  ~R
                                                       1 !S/1 v  36
                                                                "
                                                     55.-4/3/
                                                     " 7 ! ^ /  i/
                                                      ^!s>  5V
                                                             '
                                                           7 ;
                                                           "?'
                                                          44 '.•?
                                                          ' i ! 10
                                                           Z!56
                                                          1173
                                                         .997 ( .914)
                                                         !QOO ( '???)
                                                         ' "i§7;'p	
                                                           io. 07
                                                        241-T
                                                        "777! A
                                                          "?'§
                                                          •?A! i
                                                          70A~7
                                                          7:15"
                                                           •43
              FMTTPnRFM.  fiKM

-------




































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-------
   APPENDIX F





STATISTICAL DATA

-------
                    COMPUTER DATA FILE OF ALL VARIABLES
 8.1/03/09,  15,11,30,
PROGRAM    DATALN
1-5

FUEL
CODE:
39501
40103
40401
40501.
43001
43401.
43801
44001
46001
46101
46301
J -5

FUIIL
cone
39bO?
4010?
40402
40502
43002
43402
43802
44802
46002
4610?
46302
6-13
MAR 1
CETANE
NO,
61,5
54,5
61,5
61,2
62,6
44,1
64,2
55,0
46,0
67,3
60,0
6 -.13
VAR 10
ARO.
VOL, 7.
5,f;
2,7
6,1
6,6
8,8
31,5
6,8
4,9
32,1
5,3
30.8
14- -21
VAR 2
CETANE
INDEX
57,8
56,2
56.8
56.2
55,8
44,1
57,5
60,5
47,5
61,5
43,9
14-21
VAR 1.1
QLEFINS
VOL, %
1.5
1.9
1,5
1,5
1,0
2,9
6,6
l.B
1,0
1,0
1,2
22-29
VAR 3
GRAVITY
API
47,0
45,3
46.7
46.4
46.2
40.1
47.0
49,3
42,1
47,5
40,0
22-29
VAR 12
PARA,
VOL, 7.
92,7
95,4
92.4
91.6
89,4
65.6
86.6
93.3
66,9
93.9
68.0
30-37
VAR 4
DENSITY
G/ML
0.793
0,800
0,794
0.795
0.796
0.825
0,793
0,783
0,815
0.791
0,826
30-37
VAR 13
vise.
CS
1,59
1,69
1,59
1,58
1,59
1,51
1.55
1.40
1,47
1,74
1,51
38-45
VAR 5
C
WT, 7.
05,1
35,9
85,1
85.1
86,0
86,7
84,6
85,1
86,4
35,2
86,4
38-45
VAR 14
GUM, MG
/I 00 ML
0,2
0,5
0,3
0,6
14,3
2,4
1,1
0,0
1.4
1,4
2,4
46-53
VAR 6
H
WT, %
14,7
13,8
14,6
14,6
13.8
13,1
13,2
14,6
13,4
14,5
13,1
46-53
VAR 1.5
IBP
DEG, C
203,
193,
194.
194,
200.
191.
203,
175.
203,
207,
190,
54-61
VAR 7
0
WT, '/.
-0
-0
-0
-0
-0
-0
-0
-0
-0
-0
0,21
54-61
VAR 16
10% PT,
DEG, C
211,
206.
211.
210,
210.
206.
210,
189.
209.
216.
206,
62-69
VAR 3
N
PPM
0
0
479
930
493
5
0
0
0
0
718
62-69
VAR 17
20% PT.
DEG, C
212,
210.
212.
211.
211,
209,
211,
195,
211,
218,
209,
70-77
VAR 9
H/C

2.05
1,92
2,04
2.05
1,91
1,80
.1,95
2.04
1.84
2,02
1.80
70-77
VAR 18
30X PT.
DEG. C
213.
213,
213,
212.
212,
211,
212,
201,
212,
219,
211.
1-5

FUEL
CODf
39503
40103
40403
40503
43003
43403
43803
4400.}
46003
46io;<,
46303
6 -13
VAR .1.9
40% PT,
DEG, C
214,
217,
214,
213,
2.13,
213,
?13.
206,
2.13,
221,
213,
14- -21
VAR 20
50% PT,
DEG, C
21 A 4
221,
215,
214,
214,
216,
214,
209,
214,
223,
216,
22-29
VAR 21
60% PT.
DEG. C
217,
224,
217,
216,
217,
218,
2.17,
213,
,?16,
227,
218,
30-37
VAR 22
70% PT,
DEG. C
218,
228,
218,
218,
219,
222.
219,
216,
210,
231.
222,
30--45
VAR 23
80% PT.
DEG, C
221,
233,
221.
220.
222,
226,
221,
219,
221,
233,
226,
46-53
VAR 24
90% PT,
DEG. C
224,
239.
224.
224.
228.
234.
224.
223.
224,
251,
234,
54-61
VAR 25
EP
DEG, C
252,
261,
253.
255.
249.
266,
252,
249,
255,
286,
266,
62-69
VAR 26
RESIDUE
WT, 7.
0,0
1,0
0,0
0,5
1,5
1,0
1,0
1,0
0,5
1,0
0,3
70-77
VAR 27
IBP
DEG, C
140,
138,
146,
154,
145,
194,
184,
147,
179,
133,
192,
                                    F-2

-------
              COMPUTER DATA FILE OF  ALL VARIABLES  (Cont'd)
1-5

FIJO.
CODF
39504
40104
40404
40504
43004
43404
43004
44804
46004
46104
46304
6-13
VAR 28
10% PT,
DE6, C
197,
134,
197,
198,
200,
207,
203,
164,
198,
202,
207.
14-21
VAR 29
20% PT,
DEG. C
202,
190,
203,
204.
208,
215,
210,
181,
206,
211,
2.15,
22-29
VAR 30
30% PT.
DEG. C
208.
207,
209.
210.
213,
220,
216,
203.
210.
216,
220.
30-37
MAR 31
40% PT.
DEG. C
213,
215.
214.
215,
217,
225.
222.
211,
216,
219,
225,
38-45
VAR 32
50% PT,
DEG, C
217.
223,
218.
219,
220,
228.
226,
213,
219,
225,
228,
46-53
VAR 33
60% PT.
DEG, C
222,
231,
223,
225,
224,
235,
230.
224.
226.
233,
235,
54-61
MAR 34
70% PT,
DEG. C
229.
239,
230,
231.
231,
240,
237,
230.
231.
238,
240,
62-69
VAR 35
80% PT,
DEG. C
234,
247,
235,
237,
236,
244,
242,
237,
235,
255,
244,
70-77
VAR 36
90% PT,
DCG. C
239.
255.
240,
243.
240.
258,
247,
244.
239,
272.
258,
1-5    6-13    14-21
      VAR  37  VAR 38
FUEL    EP   RESIDUE
CODE  PEG, C  W1, 7.
"W505
40105
40405
40505
43005
4^405
43805
44805
46005
46105
46305
;?69,
278,
279,
?94,
265,
283,
270,
265,
264,
303,
283,
0
0
0
0,5
0
0
0
0
0
0
0
1-5

FUEL
CODE
39506
40406
40506
43006 .
43406
43306
44B06
40106
46006
46106
46306
6-13
VAR 101
HC
G/KM
0,09
0,08
0,08
0,09
0,12
0,09
0,11
0.11
0,13
0,08
0,13
14-21
VAR 102
CO
G/KM
0,53
0,47
0,46
0,52
0,59
0,48
0,48
0,50
0,60
0,47
0,66
22-29
VAR 103
NQX
G/KM
0,79
0,76
0.89
0.84
0,88
0.85
0.82
0,85
0,92
0,86
1.04
30-37
VAR 104
C02
G/KM
236,
234,
237.
244,
248,
241,
231,
239.
245.
237,
250,
38-45
VAR 105
FUEL
L/100KM
9.51
9.50
9,59
9,76
9,52
9,34
9.51
9.55
9.56
9.63
9,62
46-53
VAR 106
FORMAL,
MG/KM
0,26
0.03
9,66
0.00
2.80
0,00
4,87
4,09
0,00
6.79
0.00
54-61
VAR 107
ACETAL.
MG/KM
0,05
0.00
4.96
0,00
0,00
0,00
3.31
0,30
0,00
0,00
0,00
62-69
VAR 108
ACETONE
MG/KM
0,00
0,00
0.00
0.00
0,00
0,00
0,00
0,00
0.00
2,04
0,00
70-77
VAR 109
IGOBUT,
MG/KM
5,32
16.3
6.42
13,3
0,00
0,00
0,51
0,00
0,00
0,00
0,00
                                  F-3

-------
               COMPUTER DATA FILE OF ALL VARIABLES  (Cont'd)
 1-5    6-13    14-21   22-2?   30-37   30-45   46-53   54-61
       UAR 110 VAR 111  VAR 112 VAR 113 VAR 114 WAR 115 VAR 116
 FUFL  CROTQN,  HEXAN,  BENZAL. TOT.ALB METHANE ETHANE   ETHYL,
 ROUE   MO/KM   MG/KM   MG/KM   MG/KH   MG/KM   MG/KM   MG/KM
195(1?
40407
40"i 07
43007
47407
43807
44807
40307
4-4007
461 ''7
46307
0,00
0,1?
0,00
3,46
0,00
o.oo
0,10
0,00
0,00
0,00
0,00
0,00
0,27
0,61
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,00
-0
-0
-0
-0
-0
-0
-0
••0
-0
-0
-0
0,31
0,30
15,2
0,00
2.80
0,00
8,18
4,3?
0,00
0,33
0,00
7,09
5,06
8,56
-0
0,00
7,71
6,36
7,26
0,00
0,00
8,00
18,3
14,?
16,4
-0
5,81
16,6
15,4
17,6
21,4
11,2
21,5
0,95
0,34
0,35
-0
0,23
0,00
0,00
1,18
0,94
0.00
0,70
1-5

run
CGBF
39508
404 OC
40508
43008
43403
43800
44008
4010C
46000
461 08
463C8
6- 13
VAR 317
Acr.m,
MGAM
4,42
3,27
3.19
-0
t , 50
4.62
3,71
5,24
5,31
0,00
3,51
34-2.1
VAR 118
PROPANE
MG/KM
0,00
0,00
0,00
-0
0,34
0,00
0.00
0,00
0,00
0,00
0,00
22-29
VAR 11?
PROPYI. ,
MG/KM
4,53
3,84
4,10
-0
0,32
4,31
4,93
4,97
5,37
5,64
6 , 75
30-37
VAR 120
BENZENE
MG/KM
t,83
3,42
2,74
-0
0,00
0,30
1,05
?,11
4,85
0,00
0,00
38-45
VAR 121
TOLUENE
MG/KM
0,00
0,00
1 , 23
-0
0.00
0,00
0,00
0,00
0,00
0,00
4,01
46-53
VAR 122
TOT.IHC
MG/KM
37,2
30,8
33,5
-0
3.2
33,5
31,4
37,4
38.4
25,6
44,5
54-61
VAR 123
LCA
UG/L
6,67
9,25
5,64
2,71
7,14
6.92
1,9?
4,42
10,44
4,65
4,65
62-69
VAR 124
LCD
UG/L
1,1?
1.46
0.553
0,017
2,42
3,62
2,53
1.70
3,66
2.15
2,15
70-77
VAR 125
TIA

1,08
1,16
0,?3
0,70
1,38
1,56
1.40
1 .23
1.56
1. . 33
1.33
 .1  5    6-13    14-21    22--2?   30-37   38-45   46-53   54-61    62-69   70-77
       VAR 126 VAR 127 VAR 128 VAR 129 VAR 130 VAR 131 VAR 132 VAR 133 VAR 134
 fiJQ    PHEN..F SALI,»r CRES.rF GRP.5>F TR.I.yF  TET.yF  PRO,»F  TOTAL»F HCN.jlJ
 COD;:   fiO/Krt   MG/KH    MO/KM   MG/KM   MG/KM   MG/KM   MG/KM    MG/KM   MG/KM
3750'?
4040V
4050?
43009
4340?
43809
4400?
4010V
4600?
46 1 Of'
0,10
0,63
?,54
0,00
0,00
0,00
0,00
0,00
0,00
0,00
o.to
?i3?
ii,3
122.
0,55
0,00
0,00
0,00
0,11
0,00
0,07
0,23
0,70
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,13
0,00
0,00
0,00
0,00
0,17
0,21
0,00
0,05
0,14
0,00
0,00
1.64
0.00
0.05
0,00
0.00
0,00
0,00
0,00
0,90
0,31
7,64
0,00
0,06
0,00
0,00
0,00
1,14
0,41
0.32
0,79
3,37
6,43
0,00
0,00
0,00
0,00
0,00
0,00
1,69
4,33 -
2?, 4
128,
0,66
0,1.7
0,21
0,00
1,30
0,55
0,08
0,00
0,00
0,08
0,00
0,00
0,00
0,00
0.00
0,00
4630?    0,00    0,00    0,00    0,13    0,00    0,00    0,00    0,18    0,00
                                    F-4

-------
              COMPUTER DATA FILE  OF ALL"VARIABLES (Cont'd)
1-5    6-13     14-21
      VAR 135  VAR  136
               22-29   30-37   38-45   46-53    54-61
               MAR 137 VAR 138 VAR 139 VAR 140  VAR  141
FUEL
CODF.
39510
40410
4051.0
430.10
43430
43010
4-1010
40150
46010
46110
4.5,310
SALI,»U
MG/KM
0,00
0,51
0,44
0,34
0,00
0,00
0,00
0,00
0,00
0,25
0,00
CRES,»U
MG/KM
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,00
GRP,5»U
MG/KM
0.06
0.27
0,00
0,00
0,09
0,00
0,00
0,00
0,00
0,14
0,00
TRI.rU
MG/KM
0.00
0,00
0.00
0,00
0.00
0.00
0,00
0,00
0,00
0,00
0,00
TET,»U
MG/KM
0,00
0.08
3.96
0,00
0.13
0,00
2.99
0.49
0.44
3,52
0,00
PRO. >U
MG/KM
0,10
0,85
0.09
5.24
0.00
0.00
0,00
0,00
0,00
0,00
0,00
TOTALS
MG/KM
0.24
1,71
4,49
5,66
0.22
0.00
2.99
0.49
0,44
3.92
0.00
1- 5

FIJI:!.
CODE
39511
40433
4051.1.
43033
4341 J
4;?/>
0,022
0,023
VAR 211
P
PCT
0.14
0,066
0,061
0,075
0,049
0,085
0,062
0,047
0.033
0,23
0,16
VAR 212
S
PCT
0,24
0,30
0,32
0.55
0,51
0,27
0,54
0,27
0,21
0,24
0,28
VAR 213
CL
PCT
0,013
0,0044
0,035
0,0083
0,021
0,0098
0.013
0,011
0,0096
0,011
0,0091
VAR 214
CA
PCT
0,27
0,11
0,098
0,16
0,086
0,11
0,13
0,097
0,084
0.45
0,33
VAR 215
TI
PCT
0,0008
0.0029
0.0014
0,016
0,0031
0
0,0072
0,0060
0,0046
0
0
                                   F-5

-------
              COMPUTER DATA FILE OF  ALL VARIABLES (Cont'd)
1-5

FUEL
CODE
39513
40413
4051.3
43013
434 1. 3
43813
44013
40113
46013
46113
46313
6~ 33
VAR 216
ZN
PCT
0,076
0,002
0,095
0.09.1
0.062
0
0,036
0,070
0,0-51
0,083
0,060
14-21
VAR 2.17
SN
PCT
0,0015
0,0030
0,0039
0
0
0
0
0
0
0
0
22-29
VAR 218
BA
PCT
0,0002
0,0020
0
0
0,0044
0
0,0051
0.0028
0
0
0
30-37
VAR 219
FE
PCT
0,39
0,52
1,17
0,99
0,35
0.23
0,33
0.56
0,31
0.30
0,16
38- 45
VAR 220
PB
PCT
0
0
0
0
0.29
0
0
0
0,19
0
0
46-53
VAR 221
BR
PCT
0,0094
0
0
0
0,071
0
0
0
0,033
0,019
0,017
54-61
VAR 222
CD
PCT
0,0009
0
0
0
0
0
0
0
0
0,0034
0,0027
62-69
VAR 223
K
PCT
0,0011
0,0013
0,0010
0.0060
0.0062
0,016
0.0084
0,0063
0.004D
0,0050
0.0062
70-77
VAR 224
NI
PCT
0,013
0
0
0
0
0
0
0
0
0,018
0,016
1--5    .'.--13     14-21   22-29
      VAR  225 VAR 226 VAR 227
PtJt:!
CODE
39514
40414
4 05 34
41014
4341.4
4-W14
44814
401.. 14
460.14
46134
46334
V
PCT
0
0
0
0
0,0080
0
0
0
0
0
0
SB
PCT
0,027
0
0
0
0
0
0
0
0
0,053
0.036
TOT ELI
PCT
1,25
0,70
1,87
2,06
1,51
0,74
1,18
1,16
1,01
1,48
1,14
1-5

FUEL
CODE
395.1.5
40415
40515
4301.5
43415
43015
44615
40115
46015
46. U 5
463.15
6-1.3
VAR 228
CS
PEAK %
.?.! « 7
31,5
23 .2
•0
42,8
14,5
26,7
12,3
22,4
27,0
17,6
3.4-23.
VAR 229
CI
AVG 7.
6,0
0,0
6,0
•0
6-3
5,5
5,6
6.1
6,8
6,2
7,4
22-29
VAR 230
1ST ACC
PEAK %
26,1
20,8
19,6
-0
14.4
16,0
28,9
18,8
46,7
29,2
23,8
30-37
VAR 231
IDLE 125
AVG %
2,1
1,0
1,2
-0
2,0
1,2
0,7
1,1
2,4
2,4
2,6
38-
VAR
ACC,
45
232
.164
PEAK X
5
5
6

9
4
5
0
12
8
21
,0
,1
,0
--0
,3.
,8
,0
,8
.7
,9
,0
46-53
VAR 233
SOL, C
PCT
77,9
76,2
79,9
-0
71.7
75,3
75,1
79,0
82,4
82,7
82,3
54-61
VAR 234
SOL. H
PCT
10,7
10,3
11,8
-0
8,5
9,7
10,0
11,3
12,1
12,4
12.3
62
VAR
SOL
-69
235
, N
PCT
0
0
0

1
1
1
1
0
0
0
,56
,80
,89
-0
,39
,33
,35
,23
,22
,23
,24
70-77
VAR 236
SOL, S
PCT
0,81
0,32
0.38
-0
0,96
0,67
0.60
0.51
0.39
0,44
0,50
                                    F-6

-------
              COMPUTER DATA FILE OF ALL VARIABLES (Cont'd)
1-5

FUEL
CODE
39516
404 if.
40516
43016
4341'.
4 381 A
4401 ,'•
401 s »
46016
46116
4o3.16
6-13
VAR 237
SOL. 0
PCT
7,7
8,2
~0
-0
12,7
12,8
11,5
6,4
5,5
4,8
5,0
14-21
VAR 233
C
PCT
88.0
87,1
36,0
00,0
30,9
78,9
34,9
78,8
34,9
79,1
32,8
22-19
VAR 239
H
PCT
4.3
5,3
•5.2
2,6
2,6
6.1
3.2
2,6
2.1
2.4
. 1,5
30-37
VAR 240
N
PCT
0,27
0.10
0,10
0,19
0,42
0,60
0,52
0,38
0.30
0,36
0.31
38-45
VAR 241
100-CHNG
PCT
7.2
7,2
3.4
16,7
15.6
14,1
10.8
18,0
12,5
17,9
15,1
READY,
                                  F-7

-------
BIVARIATE CORRELATION NATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES
1
FILE

VI
V2
V3
V4
V5
7 V6
00
V7
V8
V9
V10
vii
V12
V13
V14
V15
V16
Yi7
V18
V19
81/02/23, 18,37.52.
FUEL (CREATION DAT
._ _ .. .. ... n r A r>
VI
1.0000
.6656
.6189
-.6122
-.7063
.4605
99.0000
.3084
.6060
-.6737
.0958
.6659
.5211
.1279
,3104
.3725
.3420
.3511
.3266
i L. n r\
V2
,6656
1,0000
,9806
--,9807
-.8404
.7636
99.0000
-.1806
,0894
-.9479
.0782
,9448
,4003
-.0658
,0957
,0042
-.0086
,0417
,1242
E = 01/02/23,) VARIABLES STUDY
SON CORRELATION COEF
V3 V4 V5 V6
,6189
,9806
1.0000
-.9993
-.8690
,7703
99,0000
• ,1408
,9042
••,9232
.1083
,9158
,2364
-,0449
-.0079
-.1142
-.1482
-.1175
-.0622
-.6122
• . 9807
-.9993
1.0000
,8639
-.7707
99.0000
.1327
•-.9037
.9281
-.1049
-.9212
-.2485
.0356
-.0054
,0989
,1342
,1052
,0529
-.7063
•-.0484
-.8690
.8639
1.0000
-.6355
99.0000
.0296
• .8773
.8146
•-.3504
- . 7738
-.2068
.3155
-.1021
-.0523
.0026
,0034
.0201
,4605
,7636
,7703
••,7707
•-,6355
1,0000
99,0000
.1020
.9247
-.7205
--,4347
.7833
,2635
-.2122
-.0811
-.0244
-.0449
-.0130
.0286
F I C I E
V7
99,0000
99,0000
99,0000
99,0000
99,0000
99,0000
99.0000
99.0000
99.0000
99,0000
99,0000
99.0000
99,0000
99.0000
99.0000
99.0000
99.0000
99.0000
99,0000
NTS--
V8
.3084
-.1806
-.1400
.1327
.0296
.1020
99,0000
1.0000
.0430
.0468
-.2759
-,0120
-.0081
,2416
-,1423
,1585
,0934
,0323
-.0956
V9
,6060
.8894
.9042
-,9037
-.8773
.9247
99.0000
.0430
1.0000
-.8546
• .0782
.8709
,2705
-.2745
.0002
.0115
-.0295
-.0115
.0054
V10
-.6737
-.9479
-.9232
.9281
.8146
-.7205
99.0000
.0468
-.8546
1.0000
-.1220
-.9913
-.4875
,0432
-.0333
-.0228
-.0061
--.0544
-.1414

-------
BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)
1
FILE FUEL (CREATION DATE = 81/02/23,) VARIABLES STUDY
- 	 -----PEARSON CORRELATION C 0 E T
VI V2
V20
V21
V22
V23
V24
7 V25
10 V26
V27
V2C
V29
V30
V31
V32
V33
V34
V35
M36
V37
V38
.2156
,2679
,1631
,1495
.1623
,1200
,1668
-,2227
.1001
,0416
,0094
-,1249
-,0038
-.1814
-.1233
,1793
.1122
.3156
,1384
,0630
,1813
,0724
.0738
,0249
-.0957
.4560
-.5967
-.4954
-.5537
• .5832
-,6583
-.4887
•-,4984
-.4180
,0375
•-.0899
,0610
,0989
V3 V4 V5 V6
-.1323
••.0130
-.1159
-.1120
,1524
-.2576
.4395
-.6339
-.5651
-.6396
-.6502
.7137
-.5778
• .6091
••.5374
-.1251
.2402
-.0678
.1246
.1273
,0107
.1174
.1154
.1594
.2696
• .4437
,6499
,5604
,6370
,6602
,7246
,5914
,6218
,5470
,1365
,2564
,0720
-,1386
.1267
.0620
.1760
.1940
.2383
.2143
-.1343
.3765
.2908
.3969
,4147
,4671
,3830
,4646
,4001
,1006
.2009
•-,0721
•-,2369
-.0208
,0042
-.1022
-.0713
•-.0901
-.0911
.0027
-.6853
•-.4678
-.5824
-.6759
•-,8039
-.7331
••,6585
••.6515
-.2142
•-,2186
,1969
,3241
81/02/23, 18
F I C I E N T S 	
V7 VG
99,0000
99,0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99,0000
99.0000
99,0000
99,0000
99.0000
-.1810
--.2411
• .2445
• .2673
-.2031
-.1377
-.3768
• .0030
.2784
.2185
.1554
.0779
-.0757
-.1217
-.1464
-.2490
-.1826
,3097
.6547
.37,52.
... .. _. ._
V9 V10
.0779
-.0317
-.1543
-.1468
• .1835
-.1809
.1440
-.6260
-.4355
-.5587
-.6316
•-.7332
• .6477
-.6424
•-.6012
--.1913
-.2490
,1506
,3397
-.1080
•• . 1967
-.0878
.0713
-.0027
.1721
-.4615
.7093
.4613
.5209
.5727
.6242
.4439
,4706
.3418
-.0182
,1195
-,0779
-,1715

-------
BIVARIATE CORRELATION MATRIX OF  FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)
1
81/02/23, 1C, 37, 52,
FILE FUEL (CREATION DATE = 01/02/23.) VARIABLES CTUDY
— 	 _ .. 	 	 _ ... „, D r* A D o n u r n r» n r i A T T n u p n i- r-

VI
V2
V3
V4
V5
V6
V7
V8
V9
V10
Vll
V12
V13
V14
V15
V16
V17
V18
V19
Vll
,0958
,0702
.1003
-.1049
-.3504
-.4347
99.0000
-.2759
-.0782
-.1220
1.0000
-.0099
-.1131
-.0424
.1103
-.0013
-.0472
-.0873
-.1489
t u n i\
V12
,6659
,9448
.9158
• .9212
-.7738
,7033
99.0000
•-,0120
,8709
-.9913
-.0099
1.0000
,5063
-,0376
,0100
,0228
.0123
.0664
.1625
\J U 11 Lr
V13
,5211
,4083
,2364
-,2485
.2068
.2635
99.0000
-.0081
.2705
-.4875
- ,1131
.5063
1.0000
.0335
,5911
,7083
,7654
.8361
,9147
U IX U C. U
V14
,1279
-.0658
-.0449
.0356
,3155
-.2122
99.0000
,2416
- ,2745
.0432
-.0424
•-.0376
.0335
1,0000
,1432
,1068
,0678
,0244
-,0560
n i j. u ft
V15
.3184
.0957
-.0079
-.0054
-.1021
••,0811
99,0000
-.1423
,0002
-.0333
,1103
.0180
.5911
.1432
1.0000
,9054
.8921
,8566
,7216
U 11 U 1
VI 6
.3725
,0042
••,1142
.0989
-.0523
• ,0244
99.0000
,1585
,0115
--,0223
,0013
,0220
,7083
,1068
,9054
1,0000
,9806
.9538
,8130
r T r* T r
1 1 L i t
V17
,3420
-.0086
-.1482
.1342
.0026
-.0449
99.0000
,0904
• ,0295
•-.0061
-.0472
.0123
.7654
.0678
,8921
.9886
1,0000
.9871
.8869
NT f*
1 b •• ••
V10
.3511
,0417
-.1175
,1052
.0034
-.0130
99.0000
.0323
-.0115
-.0544
-.0073
,0664
,8361
.0244
.8566
.9530
.9071
1.0000
,9491

V19
.3266
,1242
-.0622
.0529
.0201
.0286
99.0000
-.0956
.0054
-.1414
-.1489
,1625
,9147
-.0560
.7216
.8130
.8869
,9491
1,0000

V20
.2156
.0630
-.1323
.1273
.1267
-.0208
99.0000
-.1818
-.0779
-,1030
•-,1879
,1342
.8798
-.1272
.5337
.6315
,7353
.8298
.9557

-------
1
          BIVARIATE CORRELATION  MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)




                                                                         01/02/23.     10.37.52.
                                                                                   PAGE
 FILE   FUEL
(CREATION DATE =  81/02/23.)   VARIABLES STUDY



V20
V21
V22
V23
V24
V25
V26
V27
V28
V29
V30
V31
V32
V33
V34
V35
V36
V37
U38


Vll
-.1879
-.1461
-.1442
-.2011
-.2230
-.2404
,2877
,2766
.1528
,1646
.2726
.3756
,3903
,1939
.2791
.0664
-.0371
-.2265
-.1173
r. r A |J
1 L. H 11
V12
,1342
,2182
,1082
.0993
,0336
-.1411
,4278
-,7514
-.4854
-,5469
-.6133
-.6787
-.4988
-.4997
-.3811
,0099
-.1151
,1077
,1860
c n Kl P
U U Pf w
V13
,8798
.8696
,7635
,7381
,6782
.5477
,2600
-,1741
,2981
,3081
.1207
,0050
.1385
.1877
,2820
,5745
.4692
,5903
,0506
n u P F i
u rv rv L. L-
V14
-.1272
-.0814
-.0811
-.0799
-.0011
•-,1943
.6042
-.1117
,1937
,2236
,2133
,1306
,0012
-.1175
- . 1020
•-.1477
-.1601
-.2845
• ,1400
A T I 0 N
n i x u IT
V15
.5337
,4573
.3108
.2849
.2476
.2826
.0766
.1911
.6639
.6081
.3262
.1822
.0683
,0250
.0358
,1737
,0831
,1661
-.0640
C 0 E F

V16
,6315
.5219
.3788
.3478
,3245
,3847
-.0392
,1842
,7958
.7326
,4384
.2712
.1449
,1101
,1250
.2268
,1753
.4354
.1148
F I C I E

Y17
,7353
,6359
,5072
,4796
,4525
,4996
- ,0411
.2202
.7736
,7350
,4578
.3007
.2156
.2105
.2251
,3492
,2973
,5007
,0657
N T S -

vie
.8298
,7491
,6312
,6075
,5746
.5977
•-.0099
,2074
.7039
.6870
,4331
,2849
,2548
,2776
,2988
,4682
,4105
,5642
,0217


V19
.9557
,9160
,8294
,8122
.7657
,7309
.0527
.1588
.5137
.5431
.3490
.2361
.3184
.3943
.4322
.6635
.5932
.6343
• .0593


V20
1.0000
.9714
.9302
.9187
.3631
,7944
.0504
.1530
.3820
.4515
.3286
.2653
,4193
,5297
,5790
.7739
.7196
.6380
-.1458

-------
BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)
1
FILE
- 	

VI
V2
V3
V4
V5
V6
V7
V8
V9
V10
VI 1
V12
V13
V14
V15
V16
V17
V18
V19
FUEL (CREATION DATE = 01/02/23.) VARIABLES STUDY
	 - . •- -
V21
,2679
.1813
-.0130
,0107
,0620
.0042
99,0000
-,2411
--,0317
-.1967
-.1461
.2182
.8696
-.0814
,4573
.5219
,6359
,7491
,9160
• PEAR
V22
,1631
,0724
-.1159
.1174
,1768
••.1022
99.0000
-.2445
-.1543
-.0878
• ,1442
.1082
,7635
-.0811
.3108
.3708
.5072
.6312
.8294
SON C
V23
,1495
,0738
-.1120
.1154
,1940
-.0713
99.0000
-.2673
-.1468
••.0713
-.2011
,0993
,7381
• ,0799
,2849
,3478
,4796
,6075
,8122
0 R R E L
V24
.1623
,0249
-.1524
.1594
,2383
-.0901
99,0000
•-,2031
•-,1335
-.0027
• .2280
.0336
.6782
• ,0011
.2476
,3245
,4525
,5746
,7657
A T I 0 N
V25
,1200
••,0957
-.2576
,2696
.2143
-.0911
99.0000
-.1377
-.1809
.1721
-.2404
••,1411
.5477
•-.1943
,2826
,3847
,4996
,5977
,7309
C 0 L f
V26
.1668
.4560
.4395
•-.4437
-.1343
.0827
99,0000
• ,3768
.1440
•-.4615
.2877
.4278
,2600
,6042
,0766
• ,0392
-.0411
-,0099
.0527
81/02/23. 18.37.52.
F I C I E
V27
-.2227
- .5967
-.6339
,6499
,3765
-.6853
99.0000
-,0838
-••6260
,7093
.2766
-.7514
-.1741
-.1117
.1911
,1042
,2202
,2074
.1588
NTS 	
V28
.1001
-.4954
-.5651
.5604
,2908
-.4678
99.0000
.2784
•-.4355
.4613
,1528
-.4854
,2981
.1937
,6639
,7958
,7736
,7039
,5137
	
V29
.0416
-.5537
-,6396
,6370
,3969
-.5824
99,0000
.2185
-.5587
,5209
,1646
• ,5469
,3081
.2236
,6081
.7326
,7350
,6870
.5431
	
V30
.0094
-.5832
-.6502
.6602
,4147
-.6759
99.0000
.1554
-.6316
.5727
.2726
-.6133
.1207
,2133
,3262
.4384
.4578
.4331
.3490

-------
FILE
  BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES  VERSUS ALL VARIABLES (Cont'd)
                                                                 81/02/23,    18.37,52.
FUEL     (CREATION DATE =  01/02/23.)   VARIABLES STUDY


V20
V21
V22
V23
V24
V25
2 V26
00
V27
V28
V29
V30
V31
V32
V33
V34
V35
V36
V37
V38

V21
.9714
1.0000
.9764
.9688
.9266
.8214
.1695

.1499
,2499
,3460
,2841
,2319
,4378
,5497
.5999
.8589
.7859
.6354
-.1846
- r L H K
V22
,9302
,9764
1,0000
,9956
,9713
.8669
,1430

.2479
.2045
.3348
.3467
.3282
.5571
,6810
,7169
,9280
.8771
,6462
-.1994
a U N L
V23
,9187
,9688
.9956
1.0000
.9328
.8846
.1448

,2466
,1754
,3069
,3296
,3046
.5330
,6666
.6913
,9224
,8847
,6383
-•,2397
U K K L L
V24
.8681
,9266
.9713
.9828
1.0000
.9267
,1523

,3308
,2231
,3603
,4240
.3816
.5840
.7058
.7040
,9345
.9279
.6804
-.2209
fl 1 J. U N
V25
.7944
,8214
.8669
.8846
.9267
1.0000
-.1117

.5494
,3668
.4749
.5412
.4772
.6124
.7383
.6757
.8932
.9367
.7990
.1076
L U t 1
V26
.0504
.1695
,1430
,1448
,1523
-.1117
1,0000

-.3187
-.1956
-.1523
-.0941
-,1262
-.0393
-.1356
-.0407
.1055
.0118
-.2421
--.3566
1 1 L 1 t
V27
,1530
.1499
,2479
,2466
,3308
,5494
• .3187

1,0000
,5950
.6847
.8365
,8607
.7891
.7649
,6476
,4740
.5544
,3175
-.1457
N 1 if - -
V28
,3820
,2499
,2045
,1754
,2231
.3668
-.1956

,5950
1.0000
,9779
,8364
.7279
.5111
.4170
.3788
.1992
.2442
,3609
.0513

V29
.4515
.3460
.3348
.3069
.3603
.4749
•-,1523

.6847
,9779
1.0000
.9112
,8292
.6577
.5797
.5419
.3500
.3929
.3944
-.0285

V30
.3286
.2841
.3467
.3296
.4240
,5412
-.0941

.8365
,8364
.9112
1.0000
.9667
,3551
,7645
,7086
.4891
.5663
.4045
- .1211

-------
         BIVARIATE CORRELATION  MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)
FILE   FUEL
                                                        81/02/23.    IS,37,52.
(CREATION DATE =  Si/02/23.)   VARIABLES STUDY

VI
V2
V3
V4
V5
^
K V7
vs
V9
V10
Vll
V12
V13
V14
V15
V16
V17
V18
V19
V31
-.1249
-.6583
-.7137
,7246
.4671
-.0039
99,0000
,0779
-.7332
.6242
.3756
-.6787
.0050
.1306
,1822
,2712
.3007
.2849
.2361
- r L ft K
V32
-.0838
• .4887
-.5778
.5914
.3038
-.7331
99,0000
- .0757
-,6477
,4439
,3903
-.4988
,1385
.0012
,0683
.1449
,2156
,2548
,3184
U U N L
V33
-.1814
-.4984
-,6091
,6218
,4646
-,6585
99,0000
-,1217
-.6424
,4706
,1939
-.4997
,1877
-,1175
,0250
,1101
,2105
,2776
,3943
U K 1C t L
V34
••.1233
••.4100
• .5374
.5470
.4001
-.6515
99.0000
• .1464
-.6012
.3418
.2791
-.3811
.2820
• .1020
.0358
.1250
.2251
.2988
.4322
ft 1 i U N
V35
.1793
.0375
-.1251
.1365
,1006
-.2142
99.0000
-.2490
-.1913
-.0182
.0664
.0099
,5745
-.1477
.1737
.2268
.3492
,4682
,6635
L U L 1
V36
,1122
-,0899
-.2402
,2564
.2009
-.2186
99.0000
-.1826
-.2490
,1195
-.0371
-.1151
.4692
-.1601
.0831
,1753
.2973
.4105
.5932
1 1 L i t
V37
,3156
.0610
-.0678
,0720
-.0721
.1969
99.0000
,3097
,1506
-.0779
-.2265
.1077
.5903
-.2845
.1661
.4354
.5007
.5642
.6343
N 1 2 	
V38
.1384
,0989
.1246
•-.1386
• .2369
,3241
99,0000
.6547
.3397
-.1715
-.1173
.1860
.0506
-.1400
•-.0640
.1148
.0657
,0217
-.0593
V101
-.7592
-.7771
-.7454
.7524
.7749
•-.6770
99,0000
.2006
-.3073
.7965
-.1229
-.7856
-.5666
-.0627
• .3551
-.4500
-.3952
• .3854
• .3226
V102
-.5287
-.9050
-.8938
.9015
.8208
-.6980
99.0000
,0504
-.8537
,9038
-,1965
-.8840
• .4016
,1200
-.0441
-.0548
-.0295
-.0617
-.1137

-------
          BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)
                                                                       81/02/23.     18.37,52,
FILE   FUEL


V20
V21
V22
V23
V24
V25
ha V26
i
K V27
V28
V29
V30
V31
M32
V33
V34
V35
V36
V37
V38

V31
.2653
,2319
.3282
.3046
.3816
,4772
-.1262

.8607
.7279
.8292
,9667
1.0000
.9301
.0448
.8052
,5014
.5675
,3081
-.1717
- 1' L fl K
V32
.4193
,4378
,5571
.5330
.5840
.6124
-.0393

.7891
,5111
,6577
.8551
.9301
1,0000
.9618
,9552
,7372
,7677
,4040
-.2294
i) u N L
V33
,5297
,5497
,6010
,6666
.7058
.7383
-.1356

,7649
.4170
,5797
,7645
,8448
.9618
1.0000
.9772
.8215
.8596
.5000
• ,2023
U K K L L
V34
,5790
.5999
.7169
.6913
.7040
.6757
-.0407

.6476
.3788
.5419
.7086
,8052
.9552
.9772
1,0000
,8301
,8334
,4571
-.2327
ft 1 1 U N
V35
.7739
.8589
.9280
.9224
.9345
.8932
.1055

.4740
,1992
.3500
,4891
,5014
.7372
.8215
,8301
1,0000
.9713
,6804
-,1800
U u L I
V36
,7196
,7859
,0771
.8847
,9279
,9367
.0118

,5544
.2442
.3929
.5663
.5675
,7677
,8596
,0334
,9713
1.0000
.7242
•-.1741
1 I L 1 t
V37
.6380
.6354
,6462
.6383
.6804
.7990
-.2421

.3175
.3609
.3944
,4045
,3081
,4040
.5000
.4571
.6804
,7242
1.0000
,4303
N 1 i> - ~
V38
-,1458
• ,1846
-.1994
• ,2397
-.2209
-.1076
-.3566

-.1457
.0513
-.0285
-.1211
-,1717
-,2294
•-,2023
-,2327
-.1800
-.1741
.4303
1.0000

V101
• .1585
-,1834
-,0305
•-,0114
,0005
,0253
• .3620

.4246
•-.0538
.0594
.1944
.3587
,3506
,4328
,3669
.0190
.1009
-.3339
-.3516

V102
-.0268
-.1311
-,0269
-.0087
,0436
.1294
-.4353

.5412
,4012
.4662
.5148
,5760
.4289
.4492
.3639
-.0144
,1171
-,1877
-,3217

-------
BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS  ALL VARIABLES (Cont'd)
1
FILE FUEL (CREATION DATE = 81/02
_ .. .. _ .. .. ... -.--.-PEARSON C

VI
V2
V3
V4
V5
V6
V7
V8
V9
V10
Vll
V12
V13
V14
V15
V16
V17
VIS
V19
V103
-.2149
-.7100
-.7314
.7388
.5877
-.6380
99,0000
.3486
-.7037
,7094
-,1291
-.6982
-.2210
.0374
-.0575
-,0110
,0305
,0231
,0170
V104
-.4008
• ,8723
•-,8977
,8959
,7955
,8884
99,0000
,1457
-.9393
,8252
,0973
-.8443
-.1475
,3618
,2008
,2270
,2436
.1985
.1115
VI 05
,4692
,1266
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-.1170
-.2101
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99,0000
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• ,1496
-.1235
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,1567
,5083
,4336
.3106
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,2213
,1241
/23.) VARIABLES GTUDY
ORRELATION C8EF
V106
,1256
,3636
,3136
-.3152
-.2463
.4657
99.0000
,1870
,4263
-.3505
• ,2313
,3823
,2738
-.2765
-.2105
-.0930
-•,0468
.0235
.1561
V107
.0397
.2966
.3694
• .3728
-.3309
,4706
99,0000
.4111
,4711
-.3218
-.1419
,3412
- ,2322
-,2193
-.5212
-.4421
-.4698
-•,4683
-.4273
V108
.4340
.3815
.2424
• .2311
• .1895
,2746
99,0000
.2260
.2405
-.2128
,2213
,2442
.6073
-.0745
.4174
,4061
,4876
,5700
.6865
si/o:
F I C I E
V109
.3447
.2510
.3021
-.3176
-.2153
,4342
99,0000
.4972
.3807
-.3419
-.2053
.3716
.1529
.4314
,0859
,2706
,1807
,1106
-,0406
2/23, 1
NT O
r b - •
V110
.2045
.0921
.1219
-.1339
,1754
-,0517
99,0000
,2436
-,1043
-.1244
-,0608
,1338
,0721
,9785
,1346
,0948
.0444
.0005
• .0792
U.^/«Dif.

VI 11
,1954
,1490
,1843
• ,1998
•-,3240
,4443
99,0000
,7179
,4517
•,2409
• ,1608
.2620
,0840
-,2023
•-,0877
,1778
,1155
,0631
,0421


V112
99,0000
99.0000
99,0000
99.0000
99,0000
99,0000
99,0000
99,0000
99,0000
99,0000
99,0000
99,0000
99.0000
99.0000
99.0000
99,0000
99.0000
99.0000
99,0000

-------
FILE
  BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)
                                                                  01/02/23.    10.37.52.
fUEL     (CREATION DATE =  01/02/23.)   VARIABLES STUDY

V20
V21
V22
V23
U24
V25
V26
V27
V28
V29
V30
V31
V32
V33
V34
V35
V36
V37
V38
V103
.0819
,0529
.1846
.1744
,2408
,3476
-.5813
.6589
.3805
.4793
,5825
.6449
.5919
.6347
.5427
.2947
.3762
,2192
,1107
r L 8 l\
V104
.1335
,0539
,1440
.1254
,1832
,2106
-.1881
.6699
,6736
.7616
.7816
.8222
,6686
.6220
.5739
,1790
.2441
-.0199
,1765
i> U N L
V105
-.0033
.0722
,0500
-.0010
,0255
,0552
.3512
.2754
.3704
,4006
.4277
.4108
.3625
.1717
.2226
.1731
.0538
-.0912
-.0274
U K N L L
V106
,1982
.2759
.3180
,3103
,3320
,3652
-.0667
-,0985
-,2795
-.2550
-.1902
-.2176
-.0425
.0943
.0611
.3666
,3610
.6672
.6946
ft 1 i U N
V107
-.4092
-.3524
• .3067
-.3196
-.3011
• ,2570
-.2085
-.3337
-.5097
-.5483
-,4737
-.4453
-.3757
--.3126
• .3392
•-.2215
-.2130
.1865
.8096
U U L h
VI OS
.6561
,7462
.7206
.7491
.7886
,8331
,1463
,2846
.1589
.2150
.2422
,1081
,2437
.3371
.2793
,7339
,7218
.6656
-.1000
!• i U 1 h
V109
-.1993
-,2487
-,3794
• ,3760
-,3692
-.4308
,2655
-,5564
.0922
-.0348
-,2233
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• ,5437
•-,6428
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-.5415
-.1186
.1460
N T 5 - -
V110
-.1658
-.1168
-.1462
-.1456
-.0870
-.3055
.6551
-.2972
.0815
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-.0535
-.1711
-.2908
-.2535
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-.2817
-.3381
• .1069
Vlll
-.1624
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-.2734
-.3055
-.3029
• .1730
-.3620
-.2497
,0591
-.0536
-.1915
-.2648
• .3476
-.3340
-.3498
• ,2895
- .2777
.4249
.9082
V112
99,0000
99,0000
99,0000
99,0000
99,0000
99.0000
99.0000
99,0000
99,0000
99,0000
99,0000
99.0000
99.0000
99.0000
99.0000
99.0000
99,0000
99.0000
99.0000

-------
          BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES (Cont'd)
1                                                                        81/02/23,    18.37.52,
 FILE   FUEL     (CREATION DATE  =  81/02/23.)   VARIABLES STUDY
 - 	  	 PEARSON   CORRELATION   COEFFICIENTS---	-

VI
V2
V3
V4
V5
V6
^ V7
00
V8
V9
V10
Vll
V12
V13
V14
V15
V16
V17
V18
V19
V113
,1563
,3916
.3671
-.3685
-.3084
.5152
99.0000

.2597
.4853
-.3742
-.2334
.4064
.1810
-.2730
-.2659
-.1531
-.1242
-.0679
.0430
V114
,4518
,2537
,3126
-.3138
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99.0000

.4730
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-.4532
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-.0513
-.4315
-.3061
-.2272
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• ,3072
-.3181
V115
.1611
-.0479
-.0014
-.0074
-.0695
• ,0048
99.0000

.3515
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.0195
-.1868
.0049
-.1727
• .2681
.0736
-.0169
-.0555
-.1023
-.1717
V116
-.3278
-.3255
- .3627
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99.0000

-.0055
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M117
-.2155
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99.0000

-.0274
••.0724
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-.4716
V118
-.6230
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-.2042
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,1512
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99,0000

.1319
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.7016
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,4070
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-.1555
-.2028
.1835
-.0162
-.3448
,0653
.0150
-.0142
-.0400
• ,0748

-------
BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES  VERSUS  ALL VARIABLES (Cont'd)
1
FILE FUEL (CREATION DATE


V20
V21
V22
V23
V24
V25
V26
Y27
V28
V29
V30
V31
V32
V33
V34
V35
V36
V37
V38

V113
.0688
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.7511
-• r t « N
= 81/02/23.) VARIABLES STUDY
SON C " " " ~ ' ~
UKRELATiriH
r n r r
V114 V115 V116 V117 V118
•-.2863
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-.3201
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•-.5243
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-.1111
01/02/23. 18
.37.52.

F I P T F M T Q 	 .- - - ..
V119 V120 V121 V122
.1076
,1516
.1292
.1409
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-.4581
-.0857
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-.1973
-.3348
-.3157
•-.3380
-.3312
-.2913
-.2992
-.3694
-.2271
,2086

-------
                  BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES (Cont'd)
4
1
FILE


VI
V2
V3
V4
V5
V6
V7
V8
V9
V10
Vll
V12
V13
V14
V15
V16
V17
V18
V19
FUEL (CR

V123
-.3547
-.3603
-.3548
.3426
.0992
-.1861
99,0000
-,1114
-.1608
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-,0757
-.4025
.4323
.4517
.4176
,3436
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EATION DAT
••TEA R
"124
-,3858
-.2551
• .2452
,2589
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-.4918
99.0000
-.5881
-.3485
,4142
,4225
-.4728
• .3847
-.4851
.0157
• .2012
-.1634
•-,1507
• ,1165
E = 81/02/23.) VARIADLES STUDY
SON CORRELATION COET
V125
• ,3802
-.2489
-.2535
,2703
,0556
-.4269
99,0000
-.5803
.3093
,3918
.3513
-.4408
-.3361
-.6045
-.0680
• .2355
• .1802
-.1468
•-.0744
V126
.1807
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,1696
• ,1846
-.3029
.4163
99.0000
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-.2235
-.1500
.2428
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r.0637
,1603
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-.0498
V127
,2155
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-.1300
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99,0000
,3068
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V120
.1890
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99,0000
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-•,0593
,1692
.1077
,0554
-,0480
81/02/23, 18,37,52,
r i c i E N T s 	 	 - 	
VI 29
,3269
.1975
,2252
-.1928
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.0121
99.0000
-.2681
.1344
-.0476
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,0211
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-.2737
-.1635
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- .3485
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V130
,1196
.0024
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99,0000
.6497
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-.1563
-.1123
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-.0695
,1126
,0642
,0200
-,0613
V131
.1101
,0918
,1167
-.1318
-.2312
,3535
99,0000
,6153
,3534
• .1415
• .1698
.1628
,0476
-.1769
,0078
,1631
,1119
,0624
-.0339
V132
.2816
,1452
,1852
-.2041
,0230
.1467
99.0000
.5642
,1027
-.2191
• .1283
.2370
.1190
.8267
.1223
.1908
.1145
.0474
-.0794

-------
BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES  VERSUS ALL VARIABLES (Cont'd)
1
FILE



V20
V21
M22
V23
V24
V25
V26
V27
V28
V29
V30
V31
V32
V33
V34
V35
V36
V37
Y38
81/02/23. 10.37.52.
FUEL (CREATION DATE = 81/02/23.) VARIABLES STUDY


V123
,0366
-.1095
-.2017
-.2114
-.2742
-.0561
-.4427
.2725
.4499
,3590
.1189
.0985
-.0863
-.0791
-.1221
-.2725
-.2663
-.0573
-.0287
Pr" A r(
L M r\
VI 24
-.0832
-.0385
,0255
,0299
,0004
.1484
- .2703
.6178
-.0261
,0429
.1738
.3104
.3643
.3840
.3275
,2143
.1932
-.1898
-.4076
G 0 N C
V125
-.0034
.0376
.1135
.1229
.0922
.2497
-.3324
.6118
-.0641
.0130
,1680
,3102
.4041
.4533
.3971
.3039
.3018
-.0690
-.3949
0 R R E L
V126
-.1580
• ,2124
-.2550
-.2911
-.2825
-.1557
-.3717
-.2229
,0581
-.0475
-.1741
-.2419
-.3184
-.2989
-.3209
•-,2605
• .2497
.4303
.9714
A T I 0 N
V127 -
-.1616
-.1204
-.1523
-.1569
-.0967
• .3046
,6202
-.2985
,1126
.1091
.0479
-.0510
-.1778
-.2959
-.2611
• .2549
-.2898
-.2897
-.0101
c o E r
V120
-.1577
-.2179
-.2658
-.3012
-.2945
• .1660
-.3748
-.2407
.0595
-.0522
-.1863
-.2576
-.3382
-.3198
-.3402
-.2777
-.2654
.4225
.9663
r i c i E
V129
-.1905
-.1038
-.0471
• .0193
.0223
.1106
-.1727
,2767
-.2413
-.2109
.0361
.0834
.1714
.1371
.0897
.1815
.2133
-.1063
-.3084
NT C1
1 b * •
V130
-.1452
-.1856
-.1974
-.2376
-.2168
-,1009
-.3531
• ,1324
,0604
-.0177
-.1066
-.1560
-.2153
-.1884
-.2203
-.1751
-.1657
.4357
,9995


V131
-.1364
-.1911
-.2212
-.2574
-.2451
- .1096
- ,4065
-.I486
,0705
-.0239
-.1536
- .2170
-.2950
-.2545
-.2968
-.2255
•-.2175
.4059
,9902


V132
-.2137
-.2010
-,2514
-.2699
-.2116
-.3537
.4253
• .3810
,1280
.0780
-.0350
-.1569
-.3080
-.4107
-.3861
-.3534
-.3810
•-,1024
.3821

-------
BIVARIATE CORRELATION  MATRIX OF FUEL VARIABLES VERSUS
NJ
NJ
                                                                          ALL VARIABLES  (Cont'd)

                                                                               81/02/23,    10,37.52,
FILE

VI
V2
V3
V4
V5
V6
V7
V8
V9
V10
Vll
V12
V13
V14
V15
VIA
V17
V18
V19
FUEL (CREATION DATE = 01/02/23.) VARIABLES STUDY
	 - - 	 PEARSON CORRELATION C 0 E F
V133
,2346
.1027
,1352
-.1510
,1298
.0141
99.0000
,3934
-.0358
-.1527
-.0891
,1655
,0985
,9456
,1481
.1501
,0882
,0325
-,0710
V134
,2631
,1951
,2177
-.2239
-.0353
.2248
99.0000
.0111
.1613
••.2270
-.1283
.2463
,1273
,6035
,3187
.2073
,1429
.0915
•-.0190
V135
,4659
.3429
.3406
- ,3555
,3074
,5203
99,0000
,6349
,4789
• ,3856
-.2740
,4239
,3646
,2510
,1439
.4055
,3509
,3148
,2108
V136
99.0000
99.0000
99.0000
99.0000
99,0000
99,0000
99,0000
99,0000
99,0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99,0000
99,0000
99,0000
V137
.1885
.1755
.1320
-.1289
-.2003
.3836
99.0000
• .0127
.3223
-•,1567
-.1872
.1834
.3321
-.2238
.1441
,3590
,3636
,3781
,3534
V138
99,0000
99,0000
99.0000
99,0000
99,0000
99,0000
99,0000
99,0000
99,0000
99,0000
99,0000
99,0000
99.0000
99.0000
99.0000
99,0000
99,0000
99,0000
99,0000
F I C I E
V139
.2619
.4828
,4641
-.4587
-.3851
,5765
99,0000
,1710
,5448
-,3669
-.2864
.4065
.1262
-.2476
-.1970
-.1574
-.1282
- ,0701
,0333
NT f*
i If
V140
,2326
,1047
.1353
-.1487
.1435
-.0068
99.0000
,2868
-.0616
-.1487
-.0787
,1607
.1025
,9567
.1530
.1474
.0903
.0407
-.0546


V141
.4349
,4936
.5005
.5079
•-.2258
.5074
99.0000
.4096
.4340
-.4418
• .3159
,4863
,2268
,5587
-.0094
,0498
,0229
,0262
,0205

V201
-.3271
• .8850
-.8804
,8888
.7340
-.6426
99.0000
.3150
.7846
.8740
-.2335
-.8495
-.3201
.1293
-.0093
.0735
.0885
,0460
-,0382

-------
*J
                  BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL  VARIABLES  (Cont'd)
        1                                                                        81/02/23,    18,37.52*
         FILE   FUEL      (CREATION DATE =  01/02/23.)   VARIABLES STUDY

V20
V21
M22
V23
V24
V25
V26
V27
M28
V29
V30
V31
Y32
V33
V34
V35
V36
V37
V38
V133
-.1813
-.1474
-.1838
-.1933
-.1317
-.3210
,5640
-.3215
.1206
,1037
.0259
-.0813
-.2180
-.3316
-.3016
-.2862
-.3196
-.2326
,1232
•- r L H i\
Y134
-,0845
-,1491
-.2446
-.2345
-.2179
-.3639
,4430
-.4716
,0966
,0094
-.1354
- .2560
-.4007
-.5025
-.4559
-.4197
-.4208
-.4111
-.1491
o u n L
V135
,0316
.0300
-.0784
-.0836
-.0547
-.0345
.1070
-.3292
.1634
.0689
-.0958
-.2699
-.3671
-.3966
-.3956
-.1741
-.1817
.3896
.4877
U K K L L
V136
99.0000
99.0000
99.0000
99,0000
99,0000
99.0000
99.0000
99.0000
99,0000
99.0000
99.0000
99.0000
99.0000
99,0000
99,0000
99.0000
99,0000
99,0000
99,0000
H i i u n
V137
.2821
.2429
.1476
.1802
.1776
.2760
,0539
-.0431
.1966
.1352
.0483
-.0738
•-.1009
-.0888
-.0968
.0782
.1289
.3566
•-.1941
u u L i-
V138
99,0000
99,0000
99.0000
99.0000
99.0000
99.0000
99,0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
99.0000
i i L i e.
V139
,0254
,1394
.1677
,1813
,2279
.3124
-.1007
-.0708
-.3635
*" » 3588
-.2677
-.3284
-.1886
-.0658
-.1428
.2600
.2667
.5578
,6067
Ft 1 & ' "
V140
•-.1580
-,1222
-,1694
.1686
-.1160
-.3248
.6376
-.3337
.1112
.0987
.0246
-.0805
-.2134
•-.3379
-.2956
-.2879
-.3210
-.3210
-.1017
V141
-.0855
.0263
-.0041
,0080
,0865
-,0028
.4251
-,3477
-.1681
-.1871
-.1955
-.3457
-.3520
-.3561
-.3826
-.0381
-.0566
,2320
.4249
V201
.0046
• ,1001
-.0062
.0065
.0817
.2152
-.5505
.6074
.5356
.5370
.6289
.6501
.4757
.4801
.3803
,0339
.1779
.0190
•-.1548

-------
BIVARIATE CORRELATION MATRIX OF  FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)
i
FILE
— .- ... .

VI
V2
V3
V4
V5
V6
V7
V8
V9
V10
Mil
V12
V13
V14
V15
V16
V17
V18
V19
FUEL (CREATION DATE = 01/02/23.) VARIABLES STUDY
_„..*_„„. ._
V202
,1721
.5633
.5602
-.5428
-.5083
.1422
99.0000
-.7753
.3262
-.4386
.4293
.3862
-.0344
-.2830
-.0676
-.3570
-.3240
-.2529
-.1050
-PEA R
V203
-.3309
-.8638
-.8430
.8512
.6875
-.5446
99.0000
.3511
-.7035
.8594
-.3019
-.8257
--.3750
.0672
--.0377
.0508
.0545
.0026
-.0991
SON COR R Ft
w U IT w W l\ l\ L. L_
V204 V205
.3189
.2404
.3097
-.3158
-.6478
.2069
99.0000
.2502
,4571
•-.3148
,5297
.2458
•-.0467
-.2831
.1741
.2561
.1436
.0461
-.1509
-.3489
-.4304
-.4335
.4559
.3068
-.7127
99,0000
-,5002
-.6051
.4991
.4659
-.5639
-.3802
-.1652
-.1603
-.3443
-.2888
-.2577
-.1749
A T T n N
FT 1 4 \J IT
V206
-.1381
-.0687
-.0387
.0289
.4043
•-.0149
99.0000
-.0313
-.2047
,1493
,4258
-.0933
•-,1212
.7300
,1604
-.0332
-.0506
-.0783
-.1234
p n T F
w U L. 1
V207
.1946
-.4009
-.3805
.3882
.1202
-.0314
99.0000
.7106
•-.1115
,3029
•-,3191
-.2636
-.1308
-.1755
-.1252
.0912
,0662
.0218
-.0694
81/02/23. 18,37.52.
r T p T c
\ J. L 1 C
V208
.2432
,2155
,2016
-.2245
,0295
,4901
99,0000
,4972
.3045
-.2977
-.5538
,3730
,4009
.5048
.2110
.3342
.3431
.3130
.2316
NT Q -
I o
V209
-.0261
.1143
.1436
-.1622
,2475
,0445
99,0000
.1056
-.0707
-.1094
-.2145
.1391
,0495
,8779
,0949
,0324
-.0015
-.0306
-.0771

V210
.1017
.1153
.1382
-.1517
.2319
,1762
99,0000
.2728
.0096
-.1377
-.3576
.1866
,1125
,8745
.0210
.0627
,0289
,0050
-.0419

V211
,6450
,2274
,1177
-.0959
-.2116
.2012
99,0000
-.0005
.1836
-.1308
-.1936
.1581
.4790
-.0551
.3728
.3917
,4405
.4966
.5413

-------
          BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS  ALL VARIABLES  (Cont'd)
                                                                        81/02/23,     10.37.52.

FILE   FUEL      (CREATION DATE =  81/02/23.)   VARIABLES STUDY
- 	

V20
V21
V22
V23
V24
V25
to V26
U1
V27
V28
V29
V30
V31
V32
M33
V34
V35
V36
V37
V38
- • 	 - •
V202
-.0328
,1040
.1032
.1186
.0644
-.0199
.3755
-.0852
-.5338
-.4921
-.3269
-.2419
-.0226
-.0387
.0168
,2175
.1189
-.2971
-.5180
- PEAR
V203,
-.0677
-.1886
-.1031
-.0903
-.0186
.1418
-.6278
,5367
.4916
,5164
,5347
.5466
,3503
,3626
,2536
-.0818
,0746
-.0136
-.1076
SON C
V204
-.3186
-.3969
-.5144
-.5605
-.5989
-.4594
-.1380
-.1327
,2058
,0494
-.0717
-.1032
-.2403
-.4012
-.3504
-.4414
-.4837
-.0374
,3904
0 R R E L
V205
- .0288
,0215
.1650
.1669
.1945
.2360
-.0731
.6828
.0515
.1850
.4585
.6201
.7014
.6738
.6423
.3972
,4263
• .1710
-.4997
A T I 0 N
V206
• ,1613
-.1513
-.1631
-.1314
-.0928
-.2401
,3285
-.2597
-.0804
-.0777
-.1719
-.2451
-.3647
-.3519
•-.3883
-.3331
-.3286
-.4853
-.1949
C 0 E F
V207
-.0594
-.1860
-.1644
-.1684
-.1259
.0314
-.7653
,1398
.3189
.2673
.2446
.2206
.0913
,0918
,0419
•-,1457
-,0218
,2475
,3403
F I C I E
V208
,1142
,0585
-.0533
• .0480
• ,0410
-.1512
,2399
-.5912
.0992
.0100
-.2454
-.4196
-.5359
-.5194
-.4947
•-,3216
-.3245
,1101
,3301
NTS--
V209
-.1604
-.1029
-.1375
-.1264
-.0946
• ,3129
,6554
-.3904
-.0827
-.0777
-.1713
-.2541
-.3447
-.3900
-.3680
-.2968
-.3441
-.3686
-.0907

V210
-.1115
-.0738
-.1084
• .0863
- .0263
-.2211
.6039
-.4192
-.0241
-.0327
-.1065
-.2288
-.3316
-.3769
-.3644
-.2700
-.2652
-.2046
• .0488

V211
.5374
.5532
.5289
.5556
.6158
.6855
-.0811
.2855
.3138
.3322
.3848
.2524
.3077
,3233
.2792
.5677
.6153
.5389
-,1689

-------
          BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES  (Cont'd)
i                                                                        81/02/23,    10,37,52.
 FILE   FUEL      (CREATION DATE =  01/02/23.)   VARIABLES STUDY

VI
V2
V3
V4
V5
V6
V7
V8
V9
V10
Vll
V12
V13
V14
V15
V16
V17
V18
V19
V212
-.2225
-.0295
,0631
-.0574
.2009
-.0343
99.0000
.0576
-.1018
.0103
,0559
-.0177
-.4116
.5711
-.5838
-.5687
-.5937
-.6006
-.5715
•- I'1 L fl K
V213
-.1500
-.0643
-.0460
.0388
-.0382
.1693
99,0000
,3695
,1561
,0085
-,0355
-.0060
-.0579
-.1903
•-.1666
-.0360
-•,0578
-.0811
-.1152
b U N t
V214
,5660
,1660
,0503
-,0370
-,0883
.1937
99,0000
.0017
.1165
-.0619
-.3325
,1072
.4405
.0017
.3231
.3331
.3920
,4548
,5167
U K K U L.
V215
-.1385
,0946
,1496
• .1643
,2751
-.0063
99.0000
.0344
-.1150
-.1222
-.1622
.1453
-.1218
,8137
-.1883
-.2752
-.2982
-.3087
-.2928
fl 1 J. U N
V216
.1053
.0224
•-.0391
,0222
.2339
.4537
99.0000
.4709
.1728
-.0833
-.7830
.1874
.4671
,2742
,1805
,4094
.4194
,4268
.4061
L H L 1-
V217
,2605
,2246
,2640
• ,2775
-.4238
,5955
99,0000
.6170
,5865
-.3226
-.2098
.3513
.1239
• .2767
-.0080
.2518
.1753
.1149
-.0168
1 1 L i L
V218
-.5259
-.0239
,0262
-.0164
.1485
,0513
99.0000
-.3626
-.0232
-.0069
.0205
.0048
-.3680
•-,2125
-,7704
-.7454
••,6975
-.6324
-.4538
V219
,1828
,2417
.2649
-.2911
-.1030
.3676
99.0000
,6039
.3156
-.3682
-.2090
,3972
,2293
,4419
,0181
,1717
,1106
,0660
-.0123
V220
-.8624
-.6893
-.6759
,6728
.6754
-.5227
99,0000
-.3241
-.6313
.7552
,0255
• .7642
-.3603
- .0363
.0012
-.0317
-.0103
-.0383
-.0862
V221
-.7034
-.7034
•-,7304
.7366
.6871
-.5074
99.0000
-.2997
-.6414
,7739
-.0454
-,7735
-.2138
•-,0664
.0454
,0609
,1069
,1036
.0848

-------
                  BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS  ALL VARIABLES (Cont'd)
                                                                                  iy
"fl
1
FILE
- 	 -

V20
V21
V22
V23
V24
V25
V26
V27
V28
V29
V30
V31
V32
V33
V34
V35
V36
V37
U38
OI/Ui/i.O. iU.J'.Ji.*
FUEL (CREATION DATE = 01/02/23.) VARIABLES STUDY
• -- - - 	
V212
-.5002
-.4005
-.2974
-.2739
-.1711
-.2949
.5863
-.1420
-.3178
-.2660
-.0312
-.0058
-.0187
-,0949
-.1060
-.1922
-.1234
-.2677
-.0492
-PEAR
V213
-.1166
-.1571
-.1124
-.1429
-.1016
.0202
-.2514
.0293
,0433
.0064
.0130
.0025
-.0229
,0218
-.0284
-.0413
,0088
.4268
.8713
SON C
V214
.5332
.5498
.5390
.5755
.6403
.6915
-.0949
.2566
.2624
.2932
.3455
.2151
.2705
.3147
.2587
,5480
.6094
.4950
-.2102
0 R R E L
V215
-.2945
-.2115
•-.1995
-.1870
-.1672
• .4361
.6626
-.4696
-.3287
-.2942
-.2997
-.3057
•-.3305
-.3675
-.3226
-.3245
-,3716
-.5205
-.1690
A T I 0 N
V216
.3576
.2765
,2096
,2285
.2511
.2153
• .0217
-.3686
.1833
.1311
--,0916
--.2631
-.3361
-.2249
-.2498
-.0536
.0035
.4111
.3634
C 0 E F
V217
-.1470
-.2492
• .3568
-.3761
-.3952
-.2603
-.3488
-.4028
,0661
-.0953
--.2940
-.3966
-.5111
-.5126
-,5097
-,4355
-,4102
.3103
.7347
F I C I E
Y218
-.2535
-.1768
-.0597
•-.0286
-.0276
-.1003
.2592
-.1504
-.6125
-.5367
-.2945
-.1554
.0136
.0791
.0944
.0219
.0771
-.1514
-.2239
NTS 	
V219
-.1178
-.1316
-.1916
-.2248
-.2172
•-.3262
.2218
-.5400
-.0232
-,0961
-.2667
-.3606
-.4358
-.4549
-.4130
-.3323
-.3778
.1199
.7145
... ._ . - ...
V220
- .0554
--.1197
•-.0413
-.0274
.0072
.1367
-.0767
.5226
.2870
.3344
.3555
.4048
.2896
.3367
.2397
•-,0080
.0827
-.0785
• .1453
' • "
V221
.1482
,0794
,1726
,1961
.2614
.4155
-.1179
.6638
.4216
,4890
.5614
.5787
,4891
,5439
,4319
,2325
,3639
.1564
-.2048

-------
           BIVARIATE  CORRELATION MATRIX OF  FUEL VARIABLES  VERSUS ALL VARIABLES (Cont'd)
1                                           •                             81/02/23.    18.37,52,
 FILE   FUEL      (CREATION DATE =  01/02/23.)   VARIABLES STUDY

VI
V2
V3
V4
V5
7 V6
to
OD V7
VG
V9
V10
Vll
V12
V13
V14
V15
V16
V17
VIS
V19
V222
.4501
-.0100
-.1271
.I486
,0405
.0341
99.0000
.0621
-.0468
.1067
-.3284
-.0634
.3963
-.0950
,2663
,3211
.3969
.4646
,5390
- r c. H n
V223
.0278
.0231
.0420
-.0304
-.1350
-.5733
99.0000
-.3973
-.2867
.0134
.8210
-.1219
• .2248
.0825
-.0497
-.2648
-.2588
-.2503
• .2054
a u n b
V224
.4537
.0143
-.0877
.1092
-.0174
.1263
99.0000
.0105
.0388
,0635
-.3414
-.0180
,3646
-.1412
.3104
.3324
.3884
.4395
.4825
U It l\ L L.
V225
•-.6273
-.5463
-.5500
,5546
.5212
-.4186
99.0000
-.2213
-.4869
.5133
.1740
-,5403
-,1929
,0074
•-,1751
-,0795
-.0548
-.0578
-.0593
M 1 i U Ft
V226
.4784
.0816
•-.0355
.0565
-.0444
.1518
99.0000
-.0276
.0696
.0204
-.3390
.0251
.4371
-.1324
.3453
,3661
.4327
.4964
,5580
i/ u t. r
V227
.0750
,0207
,0016
-.0109
.2431
.1434
99,0000
,3715
-,0060
-.0472
-.3273
,0900
,1941
,6219
,0415
,1001
,1009
,0953
.0794
I1 i U J. C.
V228
-.3944
-.2364
-.2094
.2180
.2838
.0707
99.0000
-.1056
-.0850
.3175
-.1748
-.2967
-.2109
.3181
-.2001
-.0712
••.0710
-.0805
-.1167
Ft 1 O 	
V229
-.0598
-.4324
-.4381
.4352
.3677
-.0826
99.0000
.4444
-.2569
.3864
•-.4548
-.3285
.0131
.1642
.0185
.2699
,2665
.2354
.1528
V230
-.2292
-.0558
-.0341
.0327
.2019
.0891
99.0000
-.2240
-.0668
,2915
-.5065
-.2258
-.2537
.0016
.1981
• .0405
-.0271
-.0345
-.0561
V231
-.1137
-.5460
-.6267
.6353
.5579
-.3803
99.0000
-.0394
-.5353
.6557
-.3287
-.6169
,1144
.6185
.5123
.4680
.5073
,4964
,4301

-------
to
         FILE
   BIVARIATE  CORRELATION MATRIX OF FUEL VARIBALES VERSUS ALL  VARIABLES  (Cont'd)
                                                                  Ul/Oii/^,     18.3/.52.
FUEL     (CREATION DATE =  81/02/23.)   VARIABLES DTUHY


V20
V21
V22
V23
V24
V25
V26
V27
V28
V29
V30
V31
V32
V33
V34
V35
V36
V37
V38

V222
,5740
,5802
.6104
.6414
.7079
.7982
-.2587
,4349
.3312
.3909
,4679
.3698
.4345
.5028
.4297
.6528
.7255
.5983
-.1712
- r L H K
V223
-,1689
-.0394
,0365
.0049
,0026
-.0693
.3119
.4001
-.0647
.0336
.2690
.4136
.5162
.3823
,4329
,2807
.1817
-.2982
-.3664
0 u n t
V224
.5192
,4840
,4771
.5098
,5607
.6529
-.2852
,2940
.3206
.3364
,3650
,2582
,2867
.3404
.2813
.4763
.5600
.4625
--,1914
U N K t L
V225
.0324
•-.0154
,0836
.0899
,1530
,2262
.1463
,4479
.2934
.3541
.4844
.5279
.4803
.4719
.4255
.1754
.2893
.1426
-.1000
ft 1 1 U N
V226
.5842
.5759
,5683
,6021
,6559
,7447
-.2191
.3268
.3117
.3411
.3766
.2590
.3135
,3798
,3156
,5750
.6447
.5455
-.1841
U U L f
V227
.0613
.0787
,1080
.1068
,2023
.1120
.3242
-.1352
,1186
.1330
.1232
.0100
-.0442
•-.0326
•-.0684
.0459
,0866
.2577
.4604
1- 1 U 1 h
V228
-.1179
• .1306
-.0930
-.0431
.0548
.1972
,2442
,2424
,1332
.1297
,2230
,1502
,0509
,0645
-.0419
-.0362
.1209
.1839
-.1017
Nib 	
V229
,1042
,0044
-.0287
-.0031
.0077
.1000
-.5107
.0967
,3561
,3283
,2021
,1392
-,0093
.0180
-.0227
-.1510
-.0573
.1155
-.1733
	
V230
• .1242
-.1093
-.1321
-.0829
-.0853
-.0026
-.3557
.0429
-.1754
-.1893
-.2951
-.3386
•-,4162
-.2968
-,4164
•-,2304
-.2222
-.3138
-.1821

V231
.4160
,3173
.3348
.3604
.4223
.5827
•-,4416
.6273
.6543
.6878
.6209
.5309
.3971
.4599
.3374
.2971
.4052
.2350
-.2367

-------
          BIVARIATE CORRELATION MATRIX OF FUEL VARIABLES VERSUS ALL VARIABLES (Cont'd)
1                                                                        81/02/23,    1C.37,52,
 FILE   FUEL     (CREATION DATE =  81/02/23.)   VARIABLES STUDY


VI
V2
V3
V4
V5
V6
V7
V8
V9
V10
Vll
V12
V13
V14
V15
V16
V17
V18
V19

V232
-,2234
-.7397
-.7810
,7894
,7324
-.6002
99,0000
,2897
--,7600
,7358
-.3383
-.6966
-.1286
.7277
•-,0217
.0456
,1028
,1100
,1233
•• r L H iv
V233
,2986
-.0104
-.0942
.0891
,1122
,0778
99,0000
.2880
•-.0374
.0887
-,5452
-.0168
.3442
.0361
.4136
.3928
,4338
,4563
,4685
DUN t
V234
.3341
.0450
•-,0343
,0283
,0669
,1604
99,0000
,3651
,0376
,0136
-.5853
,0641
,3553
• .0271
.3309
,3433
,3835
.4111
.4371
U K K 1- L.
V235
• .2239
.1783
.2418
-.2444
-.2079
-.0636
99.0000
-.2189
.1037
-.3106
,5985
.2331
-.2116
-.1783
-.5080
-.4941
-.5123
-.5012
-.4293
H 1 J. U Ft
V236
-.3268
-.2270
• .2089
,2222
,1826
,3057
99,0000
-.4845
-.2601
,1961
,4175
-,2530
-.2203
.2938
-.0872
-.1971
-.1996
-.2060
• .2058
L U L 1
V237
-.2085
,0642
,1702
•-.1637
-.2542
-.1546
99.0000
-.3383
.0633
-.0942
,7287
-.0036
-.4556
,0162
•-,3668
-.4245
• ,4817
•-.5222
-.5681
r i L i t
V238
••.0750
,0102
.1178
-.1176
-.1952
.5372
99.0000
,2876
.4142
.0163
-.4312
.0403
-.3968
-.3452
-.2104
-.1427
-.2171
-.2855
-.4138
n i s - -
V239
.3983
.4808
.5399
-.5463
•-.797 '4
.3556
99.0000
.1317
.6274
• .5451
.5549
.4746
.0457
-.2929
,1220
,1681
.0686
.0006
-,1351

V240
-.1658
.0425
.0430
-.0229
-.0894
-.4118
99,0000
-.7002
-.2131
.0439
.6303
-.1270
-.2591
.2177
-.1794
-.4386
-,3902
-.3350
-,2007

V241
-.0727
-,1892
-.3057
,3068
.4614
-.5706
99.0000
-.2664
-.5739
.1868
.1312
-.2048
,3452
.3940
.1600
,0959
.1949
.2762
.4291

-------
FILE
   BIVARIATE  CORRELATION MATRIX OF FUEL VARIABLES VERSUS  ALL VARIABLES (Cont'd)
                                                                  01/02/23,    10,37,52,

FUEL     (CREATION DATE =  81/02/23.)   VARIABLES  GTUDY

V20
V21
V22
V23
V24
V25
V26
V27
V28
V29
V30
V31
U32
V33
V34
V35
V36
V37
V38
V232 i
,2064
.1586
.2677
.2797
.3327
.4011
-.6585
.5671
.3839
.4869
.5433
.5796
.5270
.6059
.5193
.2842
.3861
.1370
-.1834
• 1 t. H l\ i
l>233 i
,4134
.3959
.3608
,3664
.3537
.4037
-.5985
.0899
.1853
.1957
,0342
• ,0503
-.0519
.0772
.0185
.2346
.2113
.3164
.1571
3 U IX L, 1
l>234 i
.3903
,3800
.3475
.3521
.3392
.3762
-.6014
.0039
,1133
,1200
-.0342
-.1179
•-.1022
.0338
-.0176
.2182
.1951
.3576
.2420
j r\ i\ L. u r
l>235 (
-.3386
-.2645
-.2096
-,2420
-.2714
-.4229
,6326
-.2467
-.4074
-.3781
-.2084
-.0660
.0590
-.0313
.0797
-.0902
-.1518
-.2508
.0417
1 1 O, W IT
;236
• .0916
-.1315
-.0677
-.0662
-.0296
-.0508
,4337
.2035
.1016
.1279
.2820
,3431
,3316
.2481
.2633
.0341
.1012
..,2444
-.3062
W W IH. 1 1
V237 i
•-,5642
-.5123
-.4665
-.4912
-.4567
•-,4577
.5686
.0530
-.1777
-.1878
.0115
,1066
.0959
-.0711
-.0348
-.2418
-.2443
-.3643
99.0000
A W * ••• «
l»238 • i
-.4781
-.5966
-.6645
-.6317
-.6346
• ,4474
-,5113
-.3685
-.1883
-.3519
-,4810
-.5410
-.7107
-,6741
-.7427
-.7358
-.6279
-.1862
.3000
l>239 1
-.2844
-.3115
-.4331
-,4784
-.5327
-.4559
,0384
-,2821
-,0013
-.1447
-.2410
-.2650
-.3178
-,4619
-.3851
-.3647
-.4467
-.0314
.3822
i/240 I
• .0695
,0507
.1545
,1507
,1413
,1049
,2308
,3862
• .2667
-.1508
,1281
,2916
.4739
.4356
,4565
.3875
.3363
-.2341
-.4670
,•241
,5318
.6338
.7291
.7173
.7367
.5538
.3931
,4045
,1820
,3677
,4931
,5455
.7021
,7288
.7584
.7499
.6885
.1877
-.3752
(COEFFICIENT / CASES / SIGNFICANCE)
                                (99.0000 MEANS INCOMPUTABLE)

-------
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-------
          FACTOR ANALYSIS OF  SELECT FUEL VARIABLES  (Cont'd)
1
 FILE   FUEL      (CREATION DATE =  81/02/17.)   VARIABLES STUDY


      VARIMAX  ROTATED FACTOR MATRIX
 AFTER ROTATION  WITH KAISER NORMALIZATION
               FACTOR   1   FACTOR  2   FACTOR  3   FACTOR  4   FACTOR  5
 VI
 V2
 V3
 V4
 V5
 V6
 V8
 V9
 V10
 Vll
 Y12
 V13
 V14
 V27
 V28
 V29
 V30
 V31
 V32
 V33
 V34
 V35
 V36
 V37
 V38
-, 75284
-.97866
-.94593
.94674
.88092
-.72097
.06332
-.87870
.97137
-.12041
-.96071
-.48394
.06430
.56895
. 34588
.41297
.46239
.55013
.39906
.44312
.34124
-.07278
.05736
-.13636
-.13813
.15970
-.05976
-.22712
.23824
.14900
-.21143
-.12663
-.21323
.05098
.03498
-.05157
.55881
-.16577
.50087
.31575
.44891
.56382
.54195
.76333
.35317
,84680
.98589
,98487
,75946
-.10490
.13826
-.07934
-.02729
.03866
-.33911
-.47595
-.10120
-.13330
.09942
.77621
-.22671
-.21885
-.04057
.50750
,34642
.33833
.46674
.53509
.44849
.23411
.24792
.00912
-.02988
-.13314
-.07623
.27294
-.10583
-.09619
,09042
-.16595
.27025
.72318
.24785
.05366
-.22141
-.02436
.11275
-.09366
.09357
.42507
.32564
,20516
,08045
-.08691
-.08738
-.16203
-.14523
-.05929
.53977
.73422
.30353
-.10205
-.15418
.14058
,26529
-.24104
.23858
-.27880
.02536
-.00175
-.01973
,35796
.61046
•-.03155
.58673
.59192
.42473
.28648
.11781
-.01912
,04010
-.01735
-.05230
-.08859
-.17898
 TRANSFORMATION MATRIX
               FACTOR   1   FACTOR  2   FACTOR  3   FACTOR  4   FACTOR  5
FACTOR
FACTOR
FACTOR
FACTOR
FACTOR
1
2
3
4
5
.79014
-.57240
.02318
-.20826
-.06428
.50650
.79312
-.16587
-.29109
.04671
.27569
.13204
-.09796
,81897
-.47565
.00562
.14755
.88533
-.15869
-.41136
.20761
.06420
.42256
.41952
.77345
  FACTOR SCORE COEFFICIENTS ARE INDETERMINATE
                                F-34

-------
                BIVARIATE CORRELATION MATRIX OF EMISSION VARIABLES VERSUS EMISSION VARIABLES



     1                                                                         81/02/23.    18.31.42.

      FILE   FUEL      (CREATION DATE =  81/02/23.)   VARIABLES STUDY

      --•• 	-	 PEARSON   CORRELATION   COEFFICIENTS		
U)
01

V101
V102
VI 03
Ml 04
V105
V106
V107
V108
V109
V110
Vlll
V112
V113
V114
V115
V116
V117
V118
V119
V120
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£>

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V222
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      BIVARIATE CORRELATION MATRIX OF EMISSION VARIABLES  VERSUS EMISSION VARIABLES  (Cont'd)
1                                                                         81/02/23.     1C,31,42,
 FILE:    run.     (CREATION DATE =  01/02/23,)    VARIABLES STUDY


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     BIVARIATE CORRELATION MATRIX  OF  EMISSION VARIABLES VERSUS EMISSION VARIABLES (Cont'd)
1                                                                       81/02/23,     13,31,42*
 FILE   FUCL     (CREATION  DATC =  01/02/23.)   VARIABLES STUDY

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V136
99.0000
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                                                                        31/02/23.
                                                                              18,31,42,
FUEL     (CREATION DATE =  01/02/23.)   VARIABLES STUDY


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V202
V203
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V205
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       BIVARIATE CORRELATION MATRIX OF EMISSION  VARIABLES VERSUS EMISSION VARIABLES (Cont'd)
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      BIVARIATE  CORRELATION MATRIX OF EMISSION VARIABLES VERSUS EMISSION VARIABLES  (Cont'd)
1                                                                        81/02/23,     18,31.42.
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     BIVARIATE CORRELATION MATRIX OF EMISSION VARIABLES VERSUS EMISSION VARIABLES  (Cont'd)
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                                                                        81/02/23,
                                                                              18.31,42.
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-------
          BIVARIATE CORRELATION MATRIX OF EMISSION VARIABLES  VERSUS  EMISSION VARIABLES (Cont'd)
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V222
V223
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                                                                                    18,31,42.
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           BIVARIATE CORRELATION MATRIX  OF EMISSION VARIABLES VERSUS EMISSION VARIABLES  (Cont'd)


     1                                                                         81/02/23,     18.31,42.


     FILE   FUEL     (CREATION DATE =  81/02/23.)   VARIABLES STUDY
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-------
     BIVARIATE COLLELATION MATRIX OF EMISSION VARIABLES VERSUS EMISSION VARIABLES (Cont'd)
1                                                                        81/02/23,     18.31,42,
 FILE    FUCL     (CREATION DATE  =  01/02/23.)   VARIABLES  STUDY


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-------
          BIVARIATE CORRELATION MATRIX OF  EMISSION VARIABLES VERSUS EMISSION VARIABLES  (Cont'd)
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-------
      BIVARIATE CORRELATION  MATRIX OF EMISSION  VARIABLES VERSUS EMISSION VARIABLES  (Cont'd)
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-------
      BIVARIATE CORRELATION MATRIX OF EMISSION VARIABLES  VERSUS EMISSION  VARIABLES  (Cont'd)
                                                                        01/02/23.    10.31,42,
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V229
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•-.1750
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99,0000
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99,0000
•,3803
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     BIVARIATE  CORRELATION MATRIX OF  EMISSION VARIABLES VERSUS EMISSION  VARIABLES  (Cont'd)
1
 FILE   FUEL
                                                        01/02/23.
(CREATION DATE =  £51/02/23.)   VARIABLES STUDY
18.31.42.


V201
V202
V203
V204
Y205
U206
V207
V208
V209
V210
V2J1
V212
V213
V214
V215
U216
V217
V218
V219
V220

1'220
.3738
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-------
BIVARIATE CORRELATION MATRIX  OF EMISSION  VARIABLES VERSUS EMISSION VARIABLES  (Cont'd)
V221
V222
V223
V224
V225
V226
V227
V228
V229
V230
V231
V232
V233
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-------
BIVARIATE CORRELATION MATRIX OF EMISSION VARIABLES  VERSUS EMISSION VARIABLES  (Cont'd)
1
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V101
VI 02
V103
VI 04
V105
V106
V107
V100
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V112
V113
V114
V115
V116
VI 17
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81/02/2-5. 1
FUEL (CREATION DATE = 01/02/23.) VARIABLES STUDY
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1
      BIVARIATE CORRELATION MATRIX  OF  EMISSION VARIABLES VERSUS EMISSION VARIABLES (Cont'd)
                                                                         01/02/23,    18.31.42,
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(CREATION DATE =  01/02/23.)    VARIABLES STUDY

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-------
BIVARIATE CORRELATION MATRIX OP EMISSION VARIABLES VERSUS EMISSION VARIABLES (Cont'd)
1
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-------
BIVARIATE CORRELATION MATRIX OF EMISSION VARIABLES VERSUS EMISSION VARIABLES (Cont'd)
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V224
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-------
     BIVARIATE  CORRELATION MATRIX  OF EMISSION VARIABLES VERSUS EMISSION VARIABLES  (Cont'd)
1                                                                        81/02/23,     1C,31,42,
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-------
BIVARIATE  CORRELATION MATRIX OF  EMISSION VARIABLES  VERSUS EMISSION VARIABLES (Cont'd)
                                                                   81/02/23*    10,31,42.
                         =  01/02/23.)   VARIABLES STUDY
                 PEARSON   CORRELATION   C 0  E F F I C I E N T B -	
1
FILE

V121
VI 22
V123
V124
V125
V126
V127
I V120
°° V129
V130
V131
V132
V133
V134
V135
VI 36
V137
V138
VI 39
V140
V141
FUEL (CREATION DA
V240
-.2131
-.2616
-.2198
.7105
.7126
-.5031
-.3325
-.5947
.6136
-.4620
-.5033
-.5503
-.4024
-.2098
-.7666
99,0000
-.3504
99,0000
-.0509
-.3667
-.4174
• i L H
V241
,0929
-.2455
• ,3793
.1629
.1491
••.5069
.2533
-.5324
.0085
-.3699
^.4302
,0160
,1901
-.1319
• .3067
99.0000
• .2854
99.0000
-.0916
,2046
.0410

-------
           BIVARIATE CORRELATION MATRIX OF EMISSION VARIABLES VERSUS EMISSION VARIABLES (Cont'd)


     1                                                                        81/02/23.    18.31.42.
      FILE   FUEL     (CREATION DATC =  01/02/23.)   VARIABLES STUDY
      -	 P C A R S 0 N   CORRCLATION   C 0  E T  F  I C I E N T S	-  "
VD

V201
V202
V203
V204
V205
V206
V207
V208
V209
V210
V211
U212
V213
V214
V215
V216
V217
V218
V219
V220
V240
-.1119
.7032
-.1903
-.1618
.8615
-.2315
-.4260
-.8764
-.3358
-.4918
.0359
.1147
-.1929
-.0056
-.1549
-.0667
-.7215
.3605
-.6565
.1516
V241
.1922
.1156
.0421
--.6686
.4839
.1852
-.3318
-.2007
.2334
.1466
.2114
.1336
-.2284
.2505
.2530
• .1026
• .7641
.0100
• .1794
,1558

-------
    BIVARIATE CORRELATION MATRIX OF  EMISSION VARIABLES  VERSUS EMISSION VARIABLES (Cont'd)
V221
V222
V223
V224
V225
V226
V227
V228
hg ^229
i
3 V230
M231
V232
V233
V234
V235
V236
V237
V23G
V239
V240
V241
,1768
,0230
,8519
-.0106
,2040
,0031
-.3622
-.1257
--.6215

-.0951
-.0917
-.0549
-,3583
-.4121
.4356
,5272
,5894
-,5163
-.0678
1.0000
.4170
.2608
,3317
,4771
,1456
.2063
,2223
,2388
• ,1270
-.1774

-.0831
,3213
.4503
.1818
.1381
• ,0003
,1260
• ,1762
• ,9332
-.6144
,4170
1,0000
(COEfTICIENT / CACEC / SIGNflCANCE)    (99,0000 MEANS INCOMPUTABLE)

-------
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-------
                                  EXAMPLE OF  STEPWISE LINEAR REGRESSION ANALYSIS  (Cont'd)
MULTIPLE R-SQUARE
ADJUSTED R SQUARE
STD, ERROR OF EOT,

ANALYSIS or VARIANCE

         REGRESSION
         RESIDUAL
                         ,7634
                         .7042
                        1,4276
                       SUM Of SQUARES
                       52.5950^6
                       16,304974
                MEAN SQUARE
               26,29751
               2.030122
     VARIABLE
 (Y -INTERCEPT
 NITROGEN    1
 AROMATIC    2
                         VARIABLES IN EQUAt/ON
                              STB, ERROR  CTD REG
                 COEFFICIENT   OF COEFF    COEFF
                     17,000 /
                      -.006        ,001     -,756
                      -.008        .037     -.403
'    STEP NO.     9
01  VARIABLE  REMOVES
  OMULTIPLE  R
   MULTIPLE  R SQUARE
   ADJUSTED  R--SQUARE
   STB,  ERROR OF EST,

   ANALYSIS  OF VARIANCE!

            REGRESSION
                     2 AROMATIC
                         .7753
                         .6011
                         .5568
                        1.7474
                       41,419069
                       27,430931
           DF     MEAN  SQUARE
            1    41,41907
            9    3.0534J7
                                    IN
     VARIABLE
 (Y • INTERCEPT
 NITROGEN    1
                 COEFFICIENT
                     15.907 )
                      -.006
STB.  ERROR
 OF COEFF

     ,002
                                            STD REG
                                             COEFF

                                              -, 775
TOLERANCE

1,00000
                                                                  F RATIO
                                                                    12,90
VARIABLES NOT IN EQUATION

TOLERANCE
.99701
,99701









(- ffj
REMOVE LEVEL
19.30 1
5.48 1










vfv'nr
OLEFIN
GUM
EP
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CO
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FUEL
TOTALB
TFPIIEN
PART
DAP
PARTIAL
U COKR. TOLERANCE
3 ,36000 ,91195
4 -.17547 ,94060
5 -,20459 ,89551
6 .34003 .30890
7 .14577 ,18306
8 .45217 .39696
9 .31895 ,97382
10 -.07209 .78291
11 -.29102 .81587
12 ,31867 .16077
14 -.25475 ,97624
F TO
ENTER
1,10
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.79
.49

LEVEL
1
1
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0
0
0
0
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0
0
                                                                F RATIO
                                                                  13.56
0* * * *
                     99,000>  99,000) OR TOLERANCE INSUFFICIENT FOR FURTHER STEPPING
F TO
REMOVE LEVEL
13.56 1












VARIABLE
AROMATIC
OLEFIN
GUM
EP
MC
CO
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FUEL
TOTALB
TFPHEN
PART
BAP
\

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3
4
5
6
7
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9
10
11
12
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,63772
.35470
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-.09478
• ,37622
• ,52813
• ,23000
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-.10140
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5.40
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1.32
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2,32
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LEVEL
1
1
1
t
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                SCATTERGRAMS  OF  SELECTED  FUEL AND  EMISSION VARIABLES
SCATTERORAH OF
45.28 47.65 50.02 52.39 54.76 57.13 59.50 41.87 64.24 66.61
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SCATTERGRAH OF (DOWN) HC
(ACROSS) AROMATIC
4.17 7.11 10.05 12.99 15.93 10.87 21.81 24.75 27.69 30.63
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                t  " t"*^^^T •"" ~1 *•"• ™l -— -—f   i   i   T   |    f   i-—  i~.. . ^  ..—.-j ... ^.   |.  ._ ,f ._  ^ .   Y t
          2.70    5.64    0.58     11.52    14.46    17.40    20.34     23.28    26.22    29.16    32.10
                                                F-78

-------
SCATTERGRAMS  OF SELECTED FUEL AND  EMISSION VARIABLES  (Cont'd)
SCATTERORAH

.13



.13



.12



.12




.11




.11




.10




.10




.09


.09
.00

SCATTERGRAH

.13

.13


.12

.12

'


.11



.10



.10



.09


.09



.00
OF (DOWN) HC
(ACROSS) OLEFIN
1.28 1.04 2.40 2.94 3.52 4.00 4.44 5.20 5.74 4.32
/+\ j^V 	 t — -t 	 f 	 1 — -t" • — t 	 1— — •< 	 t- — 4 - - - -4- - —4 - 1 	 "4 	 -4 	 t 	 t t 	 f
t*X*J i *
W^J . *
i S
It t
t t t
It . t
I t 4
I t t
i '•. ©
I 4 t
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I t 1

1 t t
I 4 t
I 4 t
i /7T\ * *

i vSi/ 4 t
i t t
I t 4
I 4 4
4 t
I t 4
I 4 4
I t t
I t t

I t 4
I t 4
I 4 4
I 4 4
t 4 4
I t t
I t t
I t 4
I i t
i ©Q'' '<, <•
1 4 t
I t t
44 4
I 4 t
1.00 1.54 2.12 2.40 3.24 3.80 4.34 4.92 5.48 4.04 4.4
OF (DOWN) HC
(ACROSS) NITROGEN
44.50 139.50 232.50 325.50 410.50 511.50 404.50 497.50 790.50 883.50
(J*J* 0 f*
14 f +
' + * **
'
It t
fi> " S
It t
i +\ t*'*
01 *** X
4 4
I t t
I t 4
i * 4
I 44
I t t
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4 t 4
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t 4 4
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.13



.13







.12




.11




.11




.10




.10




; .09

,
t
.09
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>0


t .13
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4 .13
I
I
t .12
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4 .11
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4 .11
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4 .10
j
i

.10
1
I
j
t .09
I
I
4 .09
I
I
I
j
T) .08
   	
 0   93.00   184.00  279.00  372.00  445.00   558.00   451.00   744.00   037.00   930.00


                                F-79

-------
SCATTERGRAMS  OF SELECTED FUEL AND  EMISSION VARIABLES  (Cont'd)
SCATTERGRAH OF (DOWN) HC
245.95 249.05
I t
.13 4 4
I 4
.12 4 4
I
.12 4
.11 j Q
I
.11 4
I
I
I
.10 4
I
.10 4-
I
I
.09 ^ 4
I 4
I 4
.00 41
244.00 247.90 271.
SCATTERGRAH OF (DOWN) KC
(ACROSS) CUM
.91 2.32
.13 44 (O CO
I 4 V-' vy
I 4-
I 4
I 4
.13 4 4
I 4
I 4
I 4
.12 4 (^ 4
I
.12 t
I
I
I
.11
.10
.10
.09 >-x s-* ' 4
£) © t*
4
.09 t
t
.00 tfA) (T)
273.75 277.45 201.55 205.45 209.35 293.25 297.15 301.05
ti • _ • 	 1 ^^A I.,,. . ..1 	 1 	 1 _ „ ., .. | 	 1 .. . , 1 J L L
^-' t I
4 I
t 4
4 I
t I
© #»* j
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M j
+ 4 I
44, I
4 4 4-
t + I
4 + I
{
4 t I
t t
4 I
t I
4 I
t I
t J
80 275.70 279,40 203.50 287.40 291.30 295.20 299.10 303.00
3.73 5,14 4.55 7.94 9.37 10.78 12.19 13.59
4 I
1* \
t I
4 I
i
t + I
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1
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4 + I
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i
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.13
.13
.12
.12
.11
.11
.10
.10
.09
.09
.08

.13
.13
.12
.12
.11
.11
.10
.10
.09
.09
.08
.20    1.41    3.02     4.43    5.04    7.25    8.44    10.07    11.49   12.09   14.30
                               F-80

-------
         SCATTERGRAMS  OF  SELECTED FUEL AND EMISSION  VARIABLES  (Cont'd)
SCATTER6RAH OF    (DOWN)  CO
              (ACROSS) CETANEt
             45.20    47, a    30.02     52.39    54.76    57.13    59.50     61.87    64.24    £
          . I- ........ f --» - 1 - - - -4 ---- 4 ...... t - — t- — t --- +•• — t --- 4 -- -~4 ----- 1 -- 4*-\-4 ...... • t ...... -4 ---- » ........ 4 ........ 4 ------ 1 .
 .66  44
     I 4

     {   <4
      .64
      .62
      .60  1
      .58  4
      .56
      .54  4

          I


      .52  I
     .50
     .48
                                                                                             44
                                                                                           41

                                                                                      ,''    t
         !  «  * *
     .46 fl
                                            0
                                                                                0\
          .t ........ 1 ..... t ....... + ..... -t ------- i ..... f— - H- ...... | ...... < ....... !-..-< ........ 1 ..... 1- ----- j\_/-4... ..... , ---- ^ ---- f~- .f. --- .
         44.10    46.47    40.04    51.21    53.58     55.95    50.32    60.69    63.06    65.43     67.80
                                                                                                      .66
                                                                                                      .64
                                                                                                      .62
                                                                                                      .60
                                                                                                      .58
                                                                                                      .56
                                                                                                 .54
                                                                                                      .52
                                                                                                      .50
                                                                                                      .48
                                                                                                     .46
SCATTER6KAH OF    (DOWN)  CO
              (ACROSS) AROMATIC

              4.17     7.11     10.05    12.99    15.93    18.87    21.81     24.75    27.69    30.63
          .4	4	-\	1	-4	f-	f	4	4	4-	t	4	-4	4	4	4	4-	t	4—>•>*--+.
      .66  M                                                                             (*)  4t
          1  4                                                                           ^-4  I
          14                                                                           41
          14                                                                        41
          14                                                                    4,1
      .64  I         4                                                                 44
          14                                                              41
          14                                                          41
          I              ^                                                        t              I
          I               +                                                    41
    i  .62  i                 t                                                44
          14                                             41
          14                                          41


          '                                                                                 A
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      .58  4                                 41                                  -I
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    • 1 	4	4-V./J	^	4	4	1	^	  I -~-4	!•-• -1	4--4- - 1	4	<	\	\	4.
    2.70     5.64     8.58    11.52    14.46    17.40    20.34     23.28    26.22    29.16    32.10
                                                                                             I

                                                                                             I

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                                                                                   *'\i
                                                                                                     .66
                                                                                                     .64
                                                                                                     .62
                                                                                                     .60
                                                                                                     .58
                                                                                                .56
                                                                                                .54
                                                                                                .52
                                                                                                .50
                                                                                                      .48
                                                                                                     .46
                                             F-81

-------
        SCATTERGRAMS OF  SELECTED FUEL  AND EMISSION VARIABLES  (Cont'd)
SCATTERGRAN OF   (DOWN) CO
            (ACROSS) OLEFIN
            1.28    1.84    2.40    2.96     3.52     4.08    4,64    5.20    5.76    6.32
.66 41 ft) ti
I t~/ 4
I 4 4
I 4 4
I 4 4
.64 4 4 4
4 4
4 4
4 4
I 4 4
.62 4 4 4
14 4
I 4 4
I 4 4

.60 ft*") 4 4 *
V' 4 4

I \ if 4
I ^^ 4 4
.58 4 44
I 4 4
4 4
4 4
4 4
.56 -1 4
I 4 4
I 4 4
I 44
I 4 4
.54 i 44
4 4
©4 4
4 4
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.52 1*1 4 4
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4 4
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.40 4 4 (7) * 4 (7
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'^ • X**\ 4 .
•46 44 1*1 4
1.00 1.56 2.12 2.68 3.24 3.80 4.36 4.92 5.48 * 6.0 A ' 6^
SCATTERGRAM OF (DOWN) CO
(ACROSS) NITROGEN
46.50 139,50 232,50 325,30 418.50 511.50 604.50 697.50 790.50 883.50
.66 4+ ft) 4
•f \aS I

4 4 ^
4 4
.64 4 4
4 4
4 4
4 4
4 4
.62 4 4 4
I 4 4
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I 4 4
04 4
4 4
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.58 44
4 4
4 4
4 4
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.56 4
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4 4
.54 4 4
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.52 4 * (t) * 1
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.46 44 V»
.4 	 4 	 \ 	 1 	 4 	 4 	 4 —\ 	 \ 	 4 	 1 	 -4 	 4 	 ( -—4 	 4 	 4 	 -4 	 4- .. .- 4. . —V&
0 93.00 186.00 279.00 372.00 465.00 558.00 651.00 744.00 837.00 930. <
.66




.64




' .62




.60




.58



t .56




.54




.52




.50



| .48



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;


;
.54
:


.52

;
;
.50

1


.48

1
) .46
0
                                         F-82

-------
           SCATTERGRAMS  OF SELECTED FUEL  AND  EMISSION  VARIABLES  (Cont'd)
SCATTERORAH or
.66
             265.95    269.85   273.75    277*65   281,55   285.45    289.35   293.25   297.15    301.05
           + — t — + ....... t — t — t ....... ^ — > — i — »—/•*••• - -t — * — > — * — * — + — + — + ...... •* ....... f !
          «                                        ©                                        t *
                                                                                                     .66
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                                                                                              4  1*1
       .46
           .4  •  .4 ...... t ........ 4— -1 ..... I- ...... 4 ....... t----* ------ 4--4 ..... 4 ..... 4 ....... 4 — -4 ..... f^'-t ........ t— -4 ........ + -•--+.
         264.00    267.90   271.80    275.70    279.60   283.50    287,40   291.30   295.20    299.10   303.00
                                                                                                     .64
                                                                                                           .62
                                                                                                           .60
                                                                                                           .58
                                                                                                     .56
                                                                                                     .54
                                                                                                     .52
                                                                                                     .50
                                                                                                     .48
                                                                                                            .46
 SCATTERGRAM Of    (DOUN)  CO
                (ACROSS)  CUM

                 .91     2.32     3.73      5.14     6.55     7.96     9.37    10.78    12.19     13.59
           .1 ....... t ....... 4 ....... *•*•-*--—» ....... 4— t- ..... 4- ...... 4 ....... 4 ..... -t ........ 4— -4 ...... -4 ....... t- ....... 4 ...... 4- - f-— 4 ...... 4.
       .66 4t            CtJ                                                                      44
           I  4          *>-'                                                                     4  I
                                                                                               4    I
                                                                                             +      I
       .64
       .62
       .60
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                                                                                            44
       .46  441*;
            J V^jJx  „. ._j _...,_„J.._	_J . „_._ J	i. ,._„ _.! .._ _._4._, . _.J __.,.. 1	4- •- -•• 4—  -4	J -  -—4— —- -J —-• • -•!	
            '.20     1.61      3.02     4.43     5.84     7.25     8.66     10.07    11.48    12.89    14.30

                                                   F-83
                                                                                                      .66
                                                                                                            .64
                                                                                                            .62
                                                                                                            .60
                                                                                                            .58
                                                                                                            .56
                                                                                                            .54
                                                                                                            .52
                                                                                                            .50
                                                                                                            .48
                                                                                                            .46

-------
         SCATTERGRAMS OF  SELECTED  FUEL AND EMISSION VARIABLES  (Cont'd)
SCATTERGRAH OF   (DOWN)  NOX
            (ACROSS) CETANE*
            45.28    47.65   50.02    52.39    54.74    57.13    59.50    61.07    64.24    66.61
t f -.,. .. _^.. __.- p_*. .... |. ... ~ ...f ~ ._«Y*-——"T •"•"••"- f - . ~« f •.-. •.— f - — --j— •- __..f .. _ .. ,.j - ..._.. f J^^K1 f— " • — ~-f -""- «~-|.— — f .. «-.- f. .- ... f ,. . . ~f
1.04 t4 I*,) 4




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1 4- J -I 4> 41

.76
44.10 46.47 48.84 51.21 53.58 55.95 58.32 60.69 63.06 65.43 67.00
SCATTERGRAM OF (DOWN) NOX
(ACROSS) ARONATIC
4.17 7.11 10.05 12.99 15.93 18.87 21.81 24.75 27.69 30.63



1.04 1 frj H 1.04




1.01



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2.70 5.64 8.58 11.52 14.46 17,40 20.34 23.28 26.22 29.16 32.10
                                          F-84

-------
          SCATTERGRAMS OP SELECTED FUEL AND  EMISSION VARIABLES  (Conf.'r!)
SCATTERGRAN OF
              1.28     1.84     2.40     2.96     3.52     4.08     4.64     5.20     5.76     t,22
1.04 \


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.00 1.56 2.12 2.68 3.24 3.80 4.36 4.92 5.48 6.04 6.4
)F (DOWN) NOX
(ACROSS) NITROGEN
46.50 139.50 232.50 325.50 418.50 511.50 604.50 697.50 790.50 883.50
4 4 » 4 4 ^ 1
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                                                                                                       .76
                                                                                              .
            0    93.00    186.00   279.00   372.00    465.00    558.00   651.00    744.00    837.00   930.00


                                                F-85

-------
        SCATTERGRAMS  OF SELECTED  FUEL  AND EMISSION  VARIABLES  (Cont'd)
SCATTCRGRAHOr   (<& NOX

            245.95   247.05    273.75    277.65    281.55   205.45   289.35    293.25   297.15   301.05
          ,t	t-	t	f	t	4	-+— .f..—.f---•»•"»-1	H-~t-—I— -t	H—4	4	* '   4    Jj
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                       H       "H       " '                 ' """*       " *       *
                                                                                   299.10   303.00
 SCATTCRGRAH OF   (DOWN) NOX

               (ACROSS) CUM

1.04



1.01


.90




.96




.93


.90


.87




.84




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.91 2.32
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3.73 5.14 4.55 7.96 9.37 10.78 12.19 13.59
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        .74
                                                         1.04
                                                         1.01
                                                          .98
                                                                                                      .94
                                                                                                      .93
                                                           .90
                                                                                            .87
                                                           .84
                                                                                                       .82
                                                                                                       .79
                                                           .74
            \^y .. i „ ...A. „ _ i.	.._)..... .....i...	.1 . ... >j	 L ,   . j-. ... j.... i	I	,±~ - . -.i.- .. . j.... . ..i . ~4..  . -^ -.-  -••) • -• —f,

            '.20	1.41     3.02     4.43     5.84      7.25     8.44    10.07     11.40     12.0?     14.30


                                              F-86
                                                                                                      1.04
                                                                                                      1.01
                                                                                                       .98
                                                                                                       .94
                                                                                                       .93
                                                                                                       .90
                                                                                                        .87
                                                                                                        .84
                                                                                                        .82
                                                                                                        .79
                                                                                                        .74

-------
         SCATTERGRAMS  OF  SELECTED FUEL AND EMISSION VARIABLES  (Cont'd)
SCATTEKCRAH OF   (DOWN)  FUEL
             (ACROSS) CETANE*
            45.28    47,65    50.02    52.39    54.76    S7.13    59.50    41.07    64.24    66.61
9.84 i
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9.81 1
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9.74 4
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9.70 4
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9.64 i
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9.60 ^
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9.50 4

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9.70




9.67




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9.50
t 	 - r — •••• t 	 t 	 1 	 -i 	 t 	 • t 	 1 	 1 	 1 	 -t 	 - 1 	 t 	 t 	 - 1 	 t - -yv — t- 	 f 	 f
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.10 46.47 40.04 51.21 53.58 55.95 58.32 60.69 63.06 65.43 67.6
F (DOWN) FUEL
(ACROSS) AROMATIC
4.17 7,11 10.05 12.99 15.93 18.87 21.01 24.75 27.69 30.63
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          2.70    5.64     8.53    11.52    14.46    17.40    20.34    23.28    26.22    27.16    32.10


                                            F-87

-------
                             SCATTERGRAMS OF  SELECTED FUEL AND EMISSION VARIABLES  (Cont'd)
SCATTERGRAH OF    (DOWN)  FUEL
               (ACROSS) OLEFIN
               1.28     1.84     2.40      2.76     3.52
          » T ' ~ " " r	~ r * " " " F " " ""T~ ' *"" f "" "" r~" "-"-f ~ "- "l "" ~ *T~""''
     7.84 44
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     7.77 4                 4

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     9.74
                         9.70
                                                                              4.08     4.64     5.20     5.76      6.32
                         9.67
                         9.64
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                         9.60
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                              1.00     1.56     2.12     2.60     3.24     3.80     4.36     4.92      5.48     6.04     6.60

                                                                                                                               9.74
                                                                                                                               9.70
                                                                                                                               9.67
                                                                                                                               9.64
                                                                                                                               9.60
                                                                                                                               9.57
                                                                                                                               9.53
                                                                                                                               9.50
                    SCATTERGRAH Of    (DOWN)  FUEL
                                   (ACROSS) NITROGEN
                                  46.50    139.50    232.50   325.50    410.50    511.50   604.50    677.50    790.50   003.50
                              V4
                               I    I
                                                                                               4*  i
                                                                                              4      I

                                                                                       x1       !
                                                                                     4              1
                          9.C4
                          9.01
                          9.77
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                          9.70
                          9.67
                          9.64
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                          9.53
      9.50  \*S                                          1*1                                        41
           .4-   I	4	4	4	^	4 —-4	1	4	iV-'-J --4 --4	1	4---4	4	4 	f	4.
              0    93.00    106.00    279.00   372.00    465.00   550.00   651.00    744.00    837.00   930.00
                             4                                                   4
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                                                                        465.(


                                                                      F-88
                                                                                                                               9.64
                                                                                                                               9.01
                                                                                                                               9.77
                                                                                                                               9.74
                                                                                                                               9.70
                                                                                                                               9.67
                                                                                                                               9.64
                                                                                                                               9.60
                                                                                                                               9.57
                                                                                                                               9.53
                                                                                                                               9.50

-------
         SCATTERGRAMS  OF  SELECTED  FUEL AND EMISSION VARIABLES  (Cont'd)
SCATTERGRAN OF   (DOWN)  FUEL
              (ACROSS) EP
            265.95   267.05   273.75    277.65    281.55    285.45    209.35    293.25    297.15    301.05
7.04 *
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9.01




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9.74




9.70




9.67


9.64


9.60


9.57


7.53

i
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.00 267.70 271.00 275.70 279.60 203.50 207.40 271.30 275.20 277.10 303.6
3F (DOWN) FUEL
(ACROSS) OUH
.71 2.32 3.73 5.14 6.55 7.76 7.37 10.78 12.1? 13.5?
tl*^. 1 ± ± L . L— .4 . .!*... ~ „ 1 „, _ L.» «A ,.^..±*. .,_... 1 .. _ __. J. ...,»,. L _.. « « !__„. ,.i_ _J.« -J. L
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           .20     1.61    3.02     4.43    5.84     7.25     0.66    10.07     11.40   12.0?     14.30

                                             F-89
                                                                                                  9.50

-------
          SCATTERGRAMS  OF  SELECTED  FUEL AND  EMISSION  VARIABLES  (Cont'd)
SCATTERGRAM Of   (DOWN) PART.
              (ACROSS) CETANC*
             45.20    47.65    50,02    52.3?    54.76    57,13    59.50    61.07    64.24    44.41
287.00
;



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243.50


229.00


214.50 ;



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105.50




171.00


156.50
142.00
4
SCATTERGRAM (


207.00




272.50




258.00




243.50

229.00




214.50



200.00

105.50

171.00


154,50
(
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4.10 46.47 48.84 51.21 53.58 55.95 58.32 60.69 63.06 65.43 67.1
IF (DOWN) PART.
(ACROSS) AROMATIC
4.17 7,11 10.05 12,?? 15.93 10.07 21,01 24.75 27.69 30.63
* " (St *'

1 4 4
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          2.70     5.64    0.58    11.52    14.46    17.40    20.34    23.20


                                               F-90
                                                                         H ------- 1 ........ ^ ----- 1 ----- + .
                                                                        26.22    29.16    32.10

-------
          SCATTERGRAMS  OF  SELECTED FUEL AND  EMISSION VARIABLES  (Cont'd)
SCATTER6RAM Of    (DOUN)  PART.
              (ACROSS) OLCFIN
              1.28     1.84     2.40     2.94     3.52     4.08     4.64     5.20     5.76     6.32
287.00




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258.00




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171.00

156.50

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287.00




272.50




258.00




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229.00




214.50




200.00




1E5.50




171.00


154.50

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1-00 1.54 2.12 2.48 3.24 3.80 4.34 4.92 5.48 4
Or (BOWN) PART.
(ACROSS) NITROGEN
44.50 139.50 232.50 325.50 418.50 511.50 604.50 697.50 790.50
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           *  -\    4-- -\    4-   I   --I  -  I   -I -  I    -4    I    I  - I   -I    I   - I     I-  -4-   I -  -t,
            0    93.00   184.00    279.00    372,00    465,00   558.00    451.00    744,00    837.00   930.00

                                               F-91

-------
          SCATTERGRAMS  OF  SELECTED  FUEL AND  EMISSION VARIABLES  (Cont'd)
SCATTERGRAM OF   (DOUN) PART,
             (ACROSS) EP
            265.75    219.05   273.75   277.45   281.55    285.45    207.35   293.25   297.15   301.05
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(DOUN) PART.
(ACROSS) OUH
.91 2.32 3.73 5.14 6.55 7.96 9.37 10.78 12.19 13.57
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           .20     1.61     3.02    4.43
                                         5.84     7.25     8.66    10.07    11,48    12.87    14.30

                                             F-92

-------
          SCATTERGRAMS  OF  SELECTED  FUEL  AND EMISSION VARIABLES   (Cont'd)
SCATTERGRAM OF    (DOWN)  SOLUBLES
              (ACROSS) CETANEt
             45.28    47.65    50.02    52.3?    54.76    57.13    59.50    61.07    64.24    66.61
10.80




17.97


17.14




16.31


15.48




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13.02


12.99




12.16


11.32




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46.47 48.84 51,21 53.58 55.95 58.32 60.6? 63.06 65.43 67.80
(DOWN) SOLUBLES
(ACROSS) AROMATIC
4,17 7.11 10.05 12.99 15.93 18.07 21.01 24,75 27,69 30,63
. . L,^^, 1. 	 1 	 1, 	 _ 1_ .. ,._.± .. _„ . _. ..1 „ t, „„. w^ I J. , A.i-t i L 1 ^
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                                              F-93
                                                                                                  10.50

-------
          SCATTERGRAMS  OF  SELECTED  FUEL  AND  EMISSION  VARIABLES  (Cont'd)
SCATTERGRAH OF   (DOWN) SOLUBLES
             (ACROSS) OLEFIN
             1.28     1,04     2.40     2.94     3,32    4,08    4.64     5,20     5.76     6.32

18.



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2.12 2.68 3.24 3.80 4,36 4.92 5.48 6.04 6.60
SOLUBLES
NITROGEN
46.50 139.50 232.50 325.50 418.50 511.50 604.50 697.50 790.50 883.50
1 I 1 1 I 1 _ _ i L 1 J.. 1. .. t . I .__ - 1 _ _ ...» 	 1_. . _._l L L 1 1
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            0    93.00    186.00    279.00   372.00   465.00   558.00   651.00   744.00    837.00   930.00


                                              F-94

-------
SCATTERGRAMS  OF  SELECTED FUEL AND EMISSION VARIABLES  (Cont'd)

     (DOWN)  SOLUBLES
    (ACROSS) EP

   265.75   217.85   273.75   277.65   201.55    285.45    287.35   273.25   277.15   301.05
SCATTERGRAM OF    (DOWN)  SOLUBLES
              (ACROSS) EP
. r -r^v 	 r 	 r 	 r 	 r — — T 	 T 	 r 	 r 	 - r-
18.80 44 (O
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10.50
264.00 267.70 271.80 275.70 277.60 283.50 287.40 271.30 275.20 277.10 303.00
SCATTERGRAM OF (DOUN) SOLUBLES
(ACROSS) GUM
.71 2.32 3.73 9,14 6.55
* -ml 1 t i 1 i ™.« A • t -I 1
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                 •I	4	1	1-  I-•  -4	I --4- --4	4	4	4---4	4  ••-• I  •-t	4.
  .20     1.61     3.02     4.43     5.84      7.25     8.66    10.07    11.48     12.8?     14.30

                                      F-95

-------
         SCATTERGRAMS  OF  SELECTED FUEL AND EMISSION VARIABLES  (Cont'd)
SCATTERGRAH OF   (OWN)  DAP
             (ACROSS) CETANE*
            45.28    47.43    50.02    S2.39    54.76    57.13    59,50    61.07    £4.24    66.61
.96 •




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«tlO * 44^.47 ' 4o!o4 + 5K21 53.58 55.95 58.32 60.69 63.06 65.43 67. (
)F (DOWN) BAT
(ACROSS) AROMATIC
4.17 7.11 10.05 12.9? 15.93 18.87 21.81 24.75 27.69 30.63
4 CO *'
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          .4	4 ---<->-<	4- • -4	-4	4	4	4-	4 	-4-	1	4	-I	4-	4	-4	4	4	4.
          2.70     5.44     0.58    11.52    14.46    17.40    20.34    23.28    26.22    29.16    32.10

                                             F-96

-------
         SCATTERGRAMS  OF  SELECTED FUEL  AND EMISSION  VARIABLES  (Cont'd)
SCATTERGRAM OF   (DOWN)  BAP
             (ACROSS) OLEflN
             1.28     1.04     2.40    2.96     3.52     4.00     4.64    5.20     5.76     6.32
.96 44 I»J 44




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.00 1.56 2.12 2.68 3.24 3.80 4.36 4.92 5.48 6.04 6.6
SCATTERGRAH OF (DOWN) BAP
(ACROSS) NITROGEN
46.50 139.50 232.50 325.50 418.50 511.50 604.50 697.50 790.50 883.50
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                                                                                                .21
                                             F-97

-------
SCATTERGRAMS OF SELECTED FUEL  AND EMISSION VARIABLES  (Cont'd)
SCATTER8RAH OF ^BOgg), BAP
245.75 247.85 273.75 277.45 281.55 285.45 287.35 273.25 29J_.U 201.05
.94 44 (*) . +
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244.00 247.70 271.80 275.70 279.40 283.50 287.40 271.30 275.20 279.10 303.
SCATTERGRAH OF (DOUN) BAP
(ACROSS) OIW
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                                      7.25    8.44   10.07    11.48    12.87    14.30
                                   F-98

-------
           SCATTERGRAMS  OF  SELECTED FUEL  AND EMISSION VARIABLES  '(Cont'd)
SCATTERGRAM Of   (DOWN)   TOT.ALD.
                (ACROSS)  CETANE*
15.20  4f
      I  4
      14
      14
      14
13.60  I         +
     12.16
     10.64
     9.12
     7.60
     6,oe
               45.28     47.65     S0.02     52.3?     54.76     57.13     59.50    61.67    64.24    66.61
                 i    i     i    i  i i  „  . i .._ _.. i „, ___ L__._4..~.. . . l_. . -4, ._ ..4.- ____ L __ . -4 .-.i l .. ____ 4. . .. „.. l ...... _ I- _ ..... (._..,. L
              ...... f »—.. p. ..-.  f .. ..-. f ,. —- ^  .... f  —  f --  p— — i—   j..   -|. - .f —   |-    'V^^V *    *    '    *    ^    • *
     4.56
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     1.52
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                                                                                                " ~T*
                                                                                                               15.20
                                                                                                               13.68
                                                                                                               12.16
                                                                                                               10.64
                                                                                                                9.12
                                                                                                                7.60
                                                                                                                4.08
                                                                                                                4.54
                                                                                                                3.04
                                                                                                                1.52
          44.10     46.47     40.84     51.21     53.58    55.95    58.32     60.69     63.06     65.43     67.80
SCATTCRGRAH OF    (DOWN)  TOT.ALD.
                (ACROSS) AROMATIC
     15.20
                4.17
           .4	4- •••
                    7.11     10.05     12.99     15.93     18.87     21.81     24.75     27.69    30.63
                                                                                                       44
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                                                                                                           13.68
                                                                                                           12.16
                                                                                                           10.64
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                                                                                                            7.60
                                                                                                           6.08
                                                                                                                4.56
                                                                                                                3.04
                                                                                                            1.52
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           2.70      5.64     0.50    11.52    14.46     17.40     20.34     23.28     26.22     29.16     32.10
                        .©.,.-, -.,.
                                                    F-99

-------
           SCATTERGRAMS OF SELECTED  FUEL  AND EMISSION  VARIABLES  (Cont'd)
SCATTERGRAM OF    (OOUN)  TOT
              1.20     1,04     2.40     2.96     3.52      4.08     4. 44     5.20     5.74     4.32
15.20




13.40



12.14




10.44




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4.00


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1.52



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15.20




13.40



12.14




10.44




9.12




7.60




6.00




4.56




3.04


1.52




0
. f - 	 t •~f~\~ 	 t 	 t 	 1 ••- — T 	 T 	 1 	 r 	 1 	 1 	 1 	 T 	 1 	 1 	 r 	 1 	 -t 	 1 	 1
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(T) W
1.00 1.54 2! 12 ^ 2^.48 f 3! 24 * stob ' 4ts4 * 4*92 * SMS * 4^4 * 4.4
OF (DOWN) TOT. ALB.
(ACROSS) NITROGEN
44.50 139.50 232.50 325.50 418.50 511.50 404.50 697.50 790.50 083.50
i » i i » i i __„ i i i » i • » • 1 J. .1 11 -L-
44 I*
I 4 4>-i
I 4 4
I 4 4
14 4
4T t . 4
14 4
I 4 4
4 4
s
4 4
4 4
4 4
4 4
4 4
I 4 4
I 4 4
I 4 4
I 4 4
04 4
4 4
4 4
>JV 44

T^ f
I 44'
I 4 4
I 4 4
I 4 4
4 44'
I 4 4
I 4 4
J-v 4 4
GO * " *
V/ 4 4
I 4 4
I 4 4
I 4 4
I 4 4
;
-------
         SCATTERGRAMS OF SELECTED FUEL AND EMISSION  VARIABLES  (Cont'd)
SCATTERGRAH OF    (DOWN)  TOT.ALD.
             (ACROSS) EP

15.20



13.68



12.16

10.64



9.12



7.60



6.08


4.56



3.04


1.52



0
2i
SCATTCRGRAM


15.20



13.68


12.16



10.64




9.12
7.60




6.08


4.56




3.04



1.52



0
265.95 269.85 273.75 277.65 281.55 285.45 289.35 293.25 297.15 301.05
	 t 	 t 	 -f 	 r 	 ~i 	 1 	 r — -r 	 r"- r r t T r Vr^\ Ij
.>*>


15.20



13.68



12.16

10.64



. 9.12
1


7.60



6.08


4.56



3.04
:

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:

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t 15.20
{
I
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t 13.68
i
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I
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t 7.60

I
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                      . *--•!--~j	t	t	i  •-•<	i	i	 t	j	^	-i	< - -t	•!--  j-'..
           .20    1.61     3.02     4.43     5.84     7.25    8.66    10.07    11.48    12.89    14.30

                                             F-101

-------
          SCATTERGRAMS OF SELECTED FUEL AND EMISSION  VARIABLES  (Cont'd)
SCATTERGRAH OF   (DOWN)  TF.THEN.
              (ACROSS) CETANE*
             45.20    47.65    50.02    52.3?    54.76    57,13    99.50    61.07    64,24    66.61
. t 	 f 	 t 	 1 	 1 	 r 	 r 	 r 	 r 	 t 	 T 	 -t 	 r 	 1 	 r 	 T-JF^T 	 r 	 1 	 T 	 T .
120.00 4t 1*1 44




115.20


102.40


89.60




76.80




64.00



51.20

30.40


25.60




12.00

4 ^ 4 I
* . * i
4 41
4 41
S
4 4 I
4 4 I
1
4 4 J
4 4 I
4 4 4
4 4 I
4 4 I
4 4 I
4 4 I
4 4 4
44 I
4 4 I
4 4 I
+ 4 I
4 4
4 4 I
4 4 I
44 I
4 4 I
4 4 4
44 I
!
4 4 I
4 4 I
4 * © S 4
4 4 I
4 4 I
4 4 I
4 4 I
4 4 4
Si
I 4 ^^ 't I
0 ©' © j < 0© 404 Si 404 *($
44.10 * 46%7 * 4al84 * 5K21 * 53^.58 55.95 f Sotsij 60^9 6ii!o6 65M3 * 67.80
SCATTERGRAH OF (DOWN) TF.TICN.
(ACROSS) AROMATIC
4.17 7.11 10.05 12.99 15.93 10.87 21.01 24.75 27.69 30.63
1111 l^b. 1 l.i 1 t M . . t 4 i i 1 1 .1 i i L i
128.00 44 1*1 44
I S w ,M
14 41
14 41
115.20 44 44
IS i
14 4 I
14 '41
102.40 44 44
14 41
14 41

89.60



76.00




64.00




51.20




3B.40


25.60



i
4 4-4
4 4 I
4 4 I
4 4 I
44 4
4 4 I
44' I
44 I
4 4 I
4 4
4 4 I
44 I
4 4 I
4 4 I
4 4 4
4 4 I
4 4 I
4 4 I
4 4 I
4 4 4
4 4 I
4 4 I
Q 4+ }
^4 44
4 4 I
4 41
4 4 I
14 41
12.80 44 44
14 41
14 41
o eTi (f^MPj £OOM)
128.00




115.20


102.40


89.60




76.80




64.00



51.20

38.40


25.60




12.80


0



128.00


115.20



102.40



89.60



76.80




64.00




51.20




38.40


25.60




12.80


0
                        -  -..\	<  ....)	4—-.4.	i	4	t	<	i	i	t~	^	t-	i	v
          2.70    5.64     0.58     11.52    14.46    17.40    20.34    23,28    26.22    29.16    32.10

                                               F-102

-------
SCATTERGRAMS  OF  SELECTED FUEL  AND EMISSION VARIABLES  (Cont'd)
SCATTERGRAI! Of (DOUN) TF.PHEN.
(ACROSS) OLEFIN
1.28 1.84 2.40 2.96 3.52 4.08 4,64 5,20 5.76 6.32
128.00 41 (*1 44
I 4 ^ t I
14 41
I 4 ^ 4 I

115.20 4 4 t
I 4 4
14 41
14 41
102.40 44 +4
14 41
14-41
14- +1
14 41
89.60 44 44
14 41
I 44 I
I 44 I
I 44 I
76.80 4 44 4
I 44 I
I 44 I
I 44 I
I 44 I
64.00 h t 4
I 44 I
I 44 I
I 44 I
I 44 I
51.20 1 44 4
I 44 I
I 44 J
I 44 I
14 41
30.40 +4 44
14 41
If 41
I /-\ 4 4 I
I (*1 4 41
25.60 4 ^^ 4 44
14 41
14 41
14 41
14 41
12.80 44 44
14 41
14 41
I 4 >r-v 4 I
o jgjQ (•£) (J£) ^ (?) f ^ f ^ ^ ^ ^ ( ( t ^ t +(*j)


128.00



115.20



102.40




89.60




76.80




64.00




51.20




38.40


25.60




12.80



0
1.00 1.56 2.12 2.68 3.24 3. DO 4.36 4.92 5.48 6.04 6.60
SCATTERGRAH OF (DOWN) TF.PHEN.
(ACROSS) NITROGEN
46.50 139.50 232.50 325.50 410.50 511.50 604.50 697.50 790.50 883.50



» f- 	 1" •-••(• 	 "fr~ 	 f 	 -(• 	 + " r1— * fr " I""" """ T'^^tlf""" ——\~ 	 -f-- — t} —4} f -(•" -(•- 	 •( • -- •- f|
128.00 41 1*1 44 120.00
4 V-/ 4 I



115.20



102.40




89.60




76.80




64.00




51.20




38.40




25.60




12.80



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4 4
4 4
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4 44 102.40
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76,80




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  0   93.00   186.00   279.00   372.00   465.00   558.00   651.00   744.00   837.00   930.00




                                  F-103

-------
          SCATTERGRAMS  OF SELECTED FUEL  AND EMISSION VARIABLES  (Cont'd)
SCATTERGRAM OF   (DOWN) Tr.PHEN.
              (ACROSS) EP
            245.95    249.05   273.75   277.65   281.S3   205.45   209.35   293.25   297.15    301.05
120.00 440 +*
i ' + , * *
It +
115.20 t t +
1*4 4
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102.40 t t +
14 t
I t t
I t t
ft 4
89.40 4 4 4
I 4 t
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76.80 4 +4 i
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44.00 4 .4- \
1 ** + i
51.20 4 t 4
I 4 4
I 4 t
I t 4
It t
38.40 t 4 t •
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14 4 :
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it 1*9
25.40 4 t v-' 4 ;
it1 4 :
14 4 :
it 4 :
12.80 h t 4
It 4
It 4
T J ^^. 4-
° ^D(DI GD (2^ o ^3
244.00 247!90 27K80 * 275.70 279.40 283.50 207.40 291.30 295.20 299.10 303. C
SCATTERGRAM OF (DOWN) Tr.PHEN.
(ACROSS) OUH
.91 2.32 3.73 5.14 4.55 7.96 9.37 10.70 12.19 13.59
128.00 H f*
t t
t t
t t
115.20 t +
4 t
t t
t t
4 t
102.40 t t
I t 4
I t t
I 4 t
I t 4
89.60 4 t t
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I 4 t
I t t
I 4 t
76.80 t t 4
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64.00 t t
I t t
I t t
I t t
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51.20 4 t t
I 4 t
I 4 4
I t 4
I 4 t
38.40 t t t
I t t
I t 4
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25.60 t ^-^ t t
I t t
I t t
I t t
I 4 t
12.80 t 4 t
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AJWOC Y"\ f*\ t
126.00


115.20


102.40




89.60



76.80




64,00

51.20




38.40




25.60



12.80



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0



) 128.00
!
I
I
t 115.20
I

I

102.40

I
I

t 89.40
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t 74.80
I
I

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t 64.00
I

I
I
4 51.20
I
I

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t 38.40
I

I
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t 25.60
I

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4 12.80
I
I
I

          >j>iamMW-- -W--4	4 -	4 - - -t	t	4	t	4	t	4 -  • i	4 - •-1	4 - - 4	-4 — -t!
           .20     1.61     3.02     4.43     5.84     7.25     0.64    10.07    11.40    12.89    14.30


                                               F-104

-------
                                    TECHNICAL REPORT DATA
                             (Please read Instructions on the reverse before completing)
 i. REPORT NO.
        EPA-460/3-81-015
                              2.
                                                            3. RECIPIENT'S ACCESSION>NO.
 4. TITLE AND SUBTITLE
        Characterization of  Diesel Emissions as a
        Function of Fuel Variables
              5. REPORT DATE
                  April 1981
              6. PERFORMING ORGANIZATION CODE
 7. AUTHOR(S)
        Bruce B. Bykowski
                                                            8. PERFORMING ORGANIZATION REPORT NO
 9. PERFORMING ORG\NIZATION NAME AND ADDRESS

        Southwest Research  Institute
        6220 Culebra Road
        San Antonio, Texas  78284
                                                            10. PROGRAM ELEMENT NO.
              11. CONTRACT/GRANT NO.

                  68-03-2707
 12. SPONSORING AGENCY NAME AND ADDRESS
        U.S. Environmental Protection Agency
        Office of Mobile Source Air Pollution Control
        Emission Control Technology Division
        Ann Arbor, Michigan   48105
              13. TYPE OF REPORT AND PERIOD COVERED
                Final Report, 9-79 to 4-81
              14. SPONSORING AGENCY CODE       ~~
 15. SUPPLEMENTARY NOTES
 16. ABSTRACT
        Several properties of  a refinery "straight-run kerosene", which had
        a narrow boiling range approximating the middle of a No. 1 diesel
        fuel,  were altered to  study their effects on regulated and unregulated
        exhaust emissions.  Eleven fuel blends, representing changes in
        nitrogen content, aromatic level, boiling point distribution, olefin
        content, and cetane number, were evaluated  in a 1975 Mercedes-Benz  240D.
        Statistical analysis,  including regression,  was performed using selected
        fuel properties as independent variables.   Higher aromatic levels were
        generally associated with increased emissions,  while increased olefin
        levels were generally  associated with decreased emissions.
 7.
                                KEY WORDS AND DOCUMENT ANALYSIS
                  DESCRIPTORS
                                              b.lDENTIFIERS/OPEN ENDED TERMS  c.  COSATI Field/Group
        Exhaust Emissions
        Diesel Engines
        Particulate
        Diesel Fuel
        Nitrogen Oxides
        Hydrocarbons
 Fuel Effects
 Light Duty Vehicles
 Emission Test Procedures
 Emission Characterizatioi
 3. DISTRIBUTION STATEMENT

        Release Unlimited
19. SECURITY CLASS (ThisReport)
  Unclassified
21. NO. OF PAGES
   286
                                              20. SECURITY CLASS (Thispage)
                                                 Unclassified
                                                                         22. PRICE
EPA Form 2220-1 (9-73)

-------