-------
FIGURE 2. RATE OF PESTICIDE LOSS FROM PIPE CLEANER
ORIGINALLY SPIKED WITH 1.0 pig OF EACH
PESTICIDE
<#>
1
Q)
H
U
CO
CO
3
100
90
80
70
60
50
40
30
20
10
DDT
p,p' DDE
8
12
Hours
16
20
24
11
-------
FIGURE 3. SCHEMATIC FOR PESTICIDE GENERATION AND COLLECTION
5-cm(I.D.) x 10-cm long
Glass Pipe —
Jn ^ y
5-cm(I.D.)x 10-cm(I.D.)
Glass Pipe Reducers
Z-3
W-3
Z-2
W-2
Z-1
r.~r--i~-r<— w-i
Metal Adaptor
12
-------
The test apparatus thus provided for filtration of intake
air (Z-3), generation of pesticides (G), and evaluation of sorbent
area (Z-2 or Z-l). Not shown are the Teflon and stainless steel
couplings for clamping the various pieces together. Later these
couplings were replaced (except for the coupling to the metal adapter)
by wrapping the glass-to-glass connections with polyethylene film to
make an air-tight seal. The test apparatus evolved, to some extent,
over the course of the program; for example, the first few tests did
not provide for filtering the intake air, in which case Z-3 was non-
existent.
4. Gas Chromatographic Analysis - Chlorinated Pesticides
A Hewlett-Packard Model 5713A gas chromatograph equipped
with an EC detector (Ni-63) was used for analysis of the chlorinated
pesticides. A coiled glass column, 4-mm I.D. by 1.8-m length, packed
with 1.5% OV-17 + 1.95% OV-210 on 80/100 mesh Gas-Chrom Q was employed.
The carrier gas was 5% methane-95% argon at a flow rate of 60 ml/minute.
The temperature of the inlet port was 225°C; column, 200°C; and
detector, 300 C. All chromatographic measurements were based on peak
heights.
5. Recovery of Chlorinated Pesticides from Generators
This test was performed to establish that the chlorinated
test pesticides could be quantitatively recovered from the glass tube
and from the pipe cleaner. The procedure was to inject 10 Ml of Mix A
into a tube and into a 10-ml volumetric flask (labeled S) . Ten jul of
Mix B was injected onto the top of a 2-cm length of pipe cleaner and
into the same volumetric flask (S) as Mix A. After about 15 minutes,
the glass tube and the pipe cleaner were both placed in a clean 10-ml
volumetric flask containing 3-4 ml of pesticide grade n-hexane. Residual
pesticides were washed from the tube in the following fashion: a 5-ml
syringe equipped with a long (15-cm) needle was filled with hexane and
the needle then inserted into the glass tube and the residue washed
into the flask. The flask was then shaken for a minute or so to remove
pesticides from the pipe cleaner. The glass tube and pipe cleaner
remained in the flask, labeled G. Ten /ul of internal standard solution
(100 ng//Jl DDD) was injected into both volumetric flasks (S and G) which
13
-------
were then adjusted to final volume with hexane. A 4 jul aliquot of
both standard (flask S) and sample (flask G) were chromatographed
and pesticide recovery data calculations were made based on the
commonly used method of employing an internal standard (DDD). This
procedure was repeated five times to establish that a reliable recovery
of pesticides from the generator was possible. The results of these
tests, shown in Table 2, indicate essentially 100-percent recovery.
All solvents used in this program were obtained from Burdick and
Jackson Laboratories, Inc. as distilled in glass and suitable for
pesticide analysis.
6. Sorption Media Evaluation Procedure
Evaluation of the various sorbent media was carried out in
the following manner:
a. Procedure for Evaluating Coated Glass Beads
(1) Clamp the lower glass reducer to the adapter
with screen W-l in place (see Figure 3).
(2) Place 140 ml of the coated glass beads in Z-l
(supported by screen W-l).
(3) Inject 1 jug each of a-BHC, lindane, and aldrin
(10 Ml of Mix A) in a piece of 4-mm O.D. glass
tube and into each of two 10-ml volumetric flasks
(S and SM) containing 3-4 ml hexane. The S flask
contains the standard to be used for collection
efficiency determinations. The SM flask content
is processed like a sample (if necessary) to
determine method losses due to acetonitrile parti-
tioning, etc.
(4) Inject 1 fig each of DDE, p,p'-DDT and mirex (10 jul
of Mix B) into the volumetric flasks, S and SM, and
10 Ml Mix B on tip of 2-cm piece of 2-mm pipe cleaner.
(5) Suspend the generator from screen W-2.
(6) Place glass fiber mat on W-2 as a particulate filter, or
(7) Suspend the generator from screen W-3 and place
vapor filter (polyurethane foam, charcoal, etc.)
and particulate filters in Z-3.
b. Procedure for Evaluating Solid Sorbents
The procedure for solid sorbents was much the same as
for the coated glass beads except that solid sorbents were placed in
zone Z-2 as well as in Zone Z-l. Also, small particle-size solid
sorbents require a glass filter mat placed on the screen supports at
W-l and W-2. The larger cross-sectional area of Z-2 results in less
resistance to flow than Z-l for the same amount of solid sorbent.
14
-------
TABLE 2. PERCENT RECOVERY OF PESTICIDES
FROM GENERATORS
Test 1 Test 2 Test 3 Test 4 Test 5 Avg,
a-BHC
Lindane
Aldrin
DDE
p,p'-DDT
Mirex
105.3
105.0
104.3
97.5
103.8
101.2
103.4
103.1
103.8
101.5
103.3
99.7
101.7
101 .5
101.8
96.2
98.3
98.1
100.4
100.8
102.5
101 .2
103.0
103.0
101.7
101.8
101.5
100.9
100.6
99.3
102
102
103
99
102
100
15
-------
The generator and standards S and SM were prepared in exactly the same
manner as in the coated glass beads procedure. The generator was
suspended from the screens at either W-2 or W-3, as appropriate.
7. Sampling
When the sampling module had been set up as described for
either coated glass beads or solid sorbents, the sampler motor was
turned on, the air flow adjusted, and the sampler was then allowed to
run 24 hours.
8. Sample Preparation
(a) The sampler motor was turned off after desired sampling
time.
(b) The sampling module was carefully disassembled to enable
recovery of generator. The 4-mm O.D. generator tube
and 2-cm length of pipe cleaner were placed in a 10-ml
volumetric flask containing 3-4 ml of hexane. This
volumetric flask was labeled G and was set aside with S.
(c) The test sorbent, which had been exposed to the generated
pesticide vapors , was placed in a thimble (Whatman ,
Cellulose, 43 x 123 mm, pre-extracted with pesticide
grade n-hexane) for Soxhlet (Kontes, size #23) extrac-
tion and labeled CR. An equal amount of the unexposed
test sorbent was placed in another thimble and the SM
sample (amount of pesticides equal to that added to
generator) quantitatively placed on this sorbent.
(d) The thimbles were placed in the Soxhlet apparatus and
extracted for at least ten cycles with hexane at a rate
of 4-5 cycles/hour.
(e) The extracts were then concentrated to 10 ml in Kuderna-
Danish evaporative concentrators. If the CR sample
showed need for Florisil cleanup, then SM was subjected
to the same procedure.
(f) Ten Ml of 100 ng/jul p,p'DDD (internal standard) in hexane
was added to:
S-volumetric flask - which contained the standard
upon which all calculations were based,
SM-volumetric flask - which contained the sample
carried through the same extraction and cleanup
as the test sorbent so that recovery of each test
pesticide could be determined,
G-voluntetric flask - which contained the mixture
used to determine pesticide residue in the generator
(for calculation of loss of pesticides due to
evaporation GE) , and
16
-------
CR-volumetric flask - which contained the pesti-
cides collected (for determination of theoretical
recovery, TR) .
(g) All volumetric flasks were made up to 10 ml with hexane
and shaken to mix the DDD internal standard. The mixtures
were then injected into the gas chromatograph.
9. Evaluation of Liquid Sorbents-Chlorinated Pesticides
a. Cottonseed Oil
The cottonseed oil (Matheson Coleman Bell, refined)
furnished by EPA was cleaned up by several acetonitrile extractions of
90 ml of cottonseed oil in 200 ml of hexane. After the last (6th)
extraction, the cottonseed oil was recovered by evaporation of the hexane
in a rotary evaporator. Three (3) ml of the cottonseed oil was placed
on the bottom of a 500-ml Erlenmeyer flask. The glass beads (140 ml,
3-mm diameter, Pyrex) were added. The flask was rotated until all the
beads were evenly coated.
After collecting pesticides, the coated glass beads were
transferred to a pre-extracted thimble and Soxhlet-extracted with hexane
for at least ten cycles. An acetonitrile partition step was required to
separate the pesticides from the cottonseed oil, which was removed from
the beads along with the pesticides during extraction. Acetonitrile
partitioning is a necessary but undesirable step in the overall method
for determination of the chlorinated pesticides in this sorbent.
The first few tests using cottonseed oil as the sorbent
indicated that there would have to be some kind of pre-filter to remove
interfering compounds from the incoming air before it was passed over
the pesticide generator and then into the test sorbent. The system
developed for cleaning the air was based on the placement of a poly-
urethane plug (5 cm in height x 5 cm in diameter) in Z-3 and supported
by W-3. On top of the polyurethane foam was placed 75-100 ml of
"Adsorbit," an activated charcoal (4-8 mesh, quality - 50 minutes)
manufactured by Barnebey-Cheney. The pressure drop across the charcoal-
polyurethane foam pre-filter system was very small. The plug of poly-
urethane foam will collapse if much small-particle solid sorbent (Plorisil,
porous polymer beads, etc.) is placed on top of the foam.
17
-------
• The collection efficiencies of test pesticides from
air by cottonseed oil are given in Table 3 for tests R-12-1 and R-12-8.
It would appear that the more volatile compounds are not recovered
completely.
b. DC-200
DC-200 (12,500 cs) was coated on glass beads by mixing
3 ml of DC-200 with about an equal volume of hexane in an Erlenmeyer
flask. As the Erlenmeyer was turned and rotated, the hexane slowly
evaporated leaving the beads coated with DC-200. The DC-200 on glass
beads sorbent matrix was very difficult to load into the sampler as a
very sticky mass was left after the hexane evaporated. Acetonitrile
partitioning again was required for recovery of the extracted pesticides.
Although the average temperature for this test was lower than that for
cottonseed oil, recovery from DC-200 (R-13-1, R-13-8) was lower than
that for cottonseed oil; therefore, this sorbent was not a candidate
for further study.
c. DC-710
An attempt was made to use DC-710 as a sorbent. In
the preliminary testing, acetonitrile partitioning was not effective
and residual contamination caused inactivation of the gas chromatographic
column, necessitating its replacement.
10. Evaluation of Solid Sorbents
The first solid sorbent investigated was polyurethane foam.
For this purpose, 5.5-cm diameter plugs of polyurethane foam were
cut by band saw from a piece of polyurethane foam 5-cra thick. The plugs
were pre-extracted with hexane in a Soxhlet extractor (size 23) since
this method had proved to be satisfactory for the polyurethane foam used
to support the charcoal filter. The sorbent plug was fitted under slight
compression into Z-l (same placement as coated glass beads). Charcoal
on polyurethane foam was used as a pre-filter. This test (R-14-1) was
not successful. The ambient air temperature was too low and insufficient
pesticide generation resulted. The samplers were moved into the labora-
tory building, since outside temperatures expected during the ensuing
2-3 months would be too low for efficient pesticide vapor generation.
18
-------
TABLE 3. COLLECTION OF PESTICIDE VAPORS FROM AIR
Teat No.
R-12-1
R-12-8
R-13-1
R-13-8
R-14 '
R-15
R-16
R-17
R-18
R-19
R-ZO
R-Z1
R-ZZ
R-Z3
R-24
R-Z5
R-Z6
R-Z7
R-Z8
R-Z9
R-30
R-31
R-3Z
R-33
R-34
R-35
R-36
So r bent
Cottonseed oil
M
DC-200
it
Polyurethane
ii
M
ii
Cottonseed oil
DC-200
ABORTED
Chromosorb 102
Chromosorb 101
Chromosorb 102
Chromosorb 102
Chromosorb 101
Porapak-R
Tenax-GC
Porapak-R
Porapak-R
ABORTED
Chromosorb 101
Chromosorb 102
Porapak-R
Tenax-GC
Porapak-R
Polyurethane
Quantity
of
Sorbent
3ml
3ml
3ml
3ml
5x5cm
5x5 cm
5x5cm
5x5cm
3ml
3ml
40ml
40ml
40ml
20ml
20ml
20ml
20ml
20ml
80ml
80ml
80ml
80ml
80ml
5x5cm
Flow
Rate
Cl/min)
278
278
278
278
278
202
202
202
253
253
101
101
-76
101
101
101
126
101
101
177
177
114
177
177
227
% Collected
^-BHC Lindane Aldrin
30
40
3
7
54
41
3
3
14
Z
0
0
DDE
73
78
43
58
DDT
85
67
35
56
Mirex
82
57
39
67
Insufficient vaporization
Contamination
4
0
21
1
Motor burned
78
112
31
111
92
79
86
BLANK RUN
94
98
120
134
90-
89
12
67
6
40
8
out
90
124
68
97
83
76
88
90
88
121
120
106
100
80
48
4
6
28
12
145
12
43
55
31
0
47
102
154
84
134
165
59
101
71
65
34
30
132
62
98
66
88
72
84
91
96
89
103
95
103
247
66
41
45
22
45
41
87
41
85
88
79
94
106
100
80
88
77
161
75
54
89
22
38
63
96
167
96
170
93
91
136
—
33
80
98
-------
The tests up to this time were run in duplicate with each
sampler having its own generating system. With the samplers operated
indoors, it was decided that one sampler would be run without a
pesticide generator. Ideally, the results of the system without the
generator when subtracted from the results of the system with the generator
would give the best overall pesticide recovery data. This procedure was
initiated with R-15.
Test R-15 deviated from the previous procedure in that
unactivated Plorisil (F-100, for pesticide residue separations)-poly-
urethane was used for prefiltration of the intake air instead of the
charcoal-polyurethane combination. The sampling arrangement for this
test was to put the polyurethane sorbent plug in Z-l, as before, and
Z-2 was created by placing a wire screen and glass filter mat on the
large end of the reducer held in place by the appropriate size stainless
steel and Teflon clamp. The top part of the clamp was used as a receiver
for 200 ml of Florisil as an air filter.
The motors became quite hot during sampling and the next
morning there was an odor being emitted from the motors. The poly-
urethane foam plugs were extracted. The gas chromatographic analysis
of the extract showed gross contamination. A few days after run R-15,
instructions were received from the Project Officer to remove a condenser
from each sampler rabtor since it may give off vapors of polychlorinated
naphthalenes (especially when hot). The condensers were removed and R-16
was run exactly as R-15. The results of R-16 were slightly better,
although there obviously was interfering material which resulted in
generally poor results; the data still indicated a large loss of the
more volatile compounds. Test R-16 was run indoors using a polyurethane
plug as the sorbent and charcoal-plus-polyurethane as the filter. This
test confirmed the earlier indications that the polyurethane plug is not
a good sorbent for the higher-volatility compounds. It also confirmed
that the charcoal-polyurethane filter system is the best for the intended
purpose. The cottonseed oil (R-18) and the DC-200 (R-19) were tested
indoors giving similar data to the outdoor tests (R-12-1, R-12-8). The
two sorbents are not satisfactory for the more volatile compounds.
20
-------
The samplers were moved back to the outdoor shed when better
prospects for warm weather existed and the evaluation of solid sorbents
proceeded. The porous polymer beads, Chromosorb 101, Chromosorb 102,
Porapak-R, and Tenax-GC were Soxhlet-extracted with hexane preparatory
to evaluation. The hexane extraction cleaned up the Tenax but not the
Chromosorb 101, 102, and Porapak-R. The latter three were extracted
with distilled in glass benzene but still required more cleanup. Soxhlet-
extraction with distilled in glass dichloromethane proved to be an
effective cleanup technique.
The first attempt (R-20) to test porous polymer beads resulted
in a burned-out motor and the test was aborted. The burned-out motor
was the result of insufficient air flow over the motor.
Tests R-21 through R-27 were made by placing a known volume
(40 or 20 ml) of the porous polymer beads on a wire screen-supported
glass filter mat in Z-l. The charcoal-polyurethane filter system was
in Z-3. The air flow of 116 1/min was obtained using the bypass valve
so that it was at least half open. By not closing the bypass valve more
than halfway, the motor gets ample cooling. After collecting for 24 hours,
the beads were Soxhlet-extracted with hexane, evaporated in a Kuderna-
Danish evaporator and injected into the chromatograph.
The results of this series of tests (R-21 through R-27) were
somewhat erratic. It had been considered that the stainless steel and
Teflon clamp might not be making a good seal and/or the cracked rubber
of the clamps could be at fault. A system without the clamps upstream
of the collecting medium was made by wrapping polyethylene film (5 to 7-cm
wide) around the glass-to-glass connections. The regular small clamp was
used to connect the small end of the glass reducer to the metal sample
inlet, since it is downstream and should have little effect on the results.
Test R-29 was made with Porapak-R in Z-l and the charcoal filter in Z-3
and the two glass-to-glass connections wrapped with polyethylene film.
The results of this test were encouraging.
With the porous polymer beads and the supporting glass filter
mat in Z-l, the air sampling rate is decreased. In an attempt to regain
21
-------
some of the lost sampling rate, a flanged cup was made for each
sampler. The O.D. of the flange was made slightly smaller than
the O.D. of the large end of the glass reducer. A neoprene gasket
was used to make a seal between the flange and the bottom glass
reducer. The top glass reducer was left as a metal-to-glass connec-
tion. The connection was then wrapped tightly with the polyethylene
film to make an airtight seal. The cup itself is about 7.6 cm in
diameter and 2 cm deep, holding close to 80 ml of porous polymer
beads when the wire screen-supported glass filter mat is in place.
A short section of 5-cm I.D. glass pipe was connected to the small
end of the top reducer (with screen wire between the two glass pieces)
by again wrapping the connection with polyethylene to make an air-
tight seal.
Tests R-31 through R-35 were performed using the Z-2 (metal
cup) area for 80 ml of porous polymer beads and polyethylene seal
connections. Test R-36 employed polyethylene seal connections with
the test polyurethane foam in Z-l.
11. Discussion of Collection Efficiency Results with SURC
Sampling Module
The results of the collection efficiency experiments using
basically the SURC collecting module with a variety of sorbents for
the chlorinated pesticides are shown in Table 3 above. These data
are not very satisfactory for a number of reasons but do indicate
i
that the solid sorbents may be better sorbents than the liquids tested.
Sample cleanup is also simplified with the solid sorbents since
acetonitrile partitioning is not required.
The basic problem with the program at this point in time
was the inability to change solid sorbents with only minimal changes
to the sampling system. It became apparent that the different sorbents
could be evaluated on a good comparative basis only if a new sampling'
concept could be developed.
During the course of the program, the EPA also determined
that the samplers were so designed that considerable recirculation of
air occurred. That is, air leaving the vacuum motor was immediately
redrawn through the system. This was particularly bad during the
22
-------
program because the motors were being overworked and consequently
were running overly hot, which caused increased emissions of possible
interferences.
Based on the results and problems of the first year's work,
it was recommended that a new collecting module concept be developed
that would enable the use of a variety of solid forms with only one
basic sampling procedure.
B. Second Year's Work with SwRI Collecting Module
1. SwRI Collecting Module
Based on the past experience with the SURC sampler, as
furnished to Southwest Research Institute by the Environmental Protection
Agency, the modifications to be made to the sampling module were based
on the following considerations:
(1) Capability of accepting liquid-coated glass beads,
polyurethane foam, and small-size particulate
matter such as 60 to 80-mesh porous polymer beads
or other solids.
(2) Design of the cartridge type so as to permit the
entire cartridge to be extracted, thus eliminating
transfer of sorbent to other containers.
(3) Ease of keeping clean after cleaning.
(4) Ease of packing and mailing.
(5) Glass construction.
All these considerations may not be necessary for evaluation
of various sorbents. However, since the entire apparatus and procedure
would eventually have to be checked, the stated considerations helped
direct the development of the test apparatus to be used with the sampling
system. It should be understood that the modifications affect only the
collection module of the SURC sampler for sampling purposes.
The original thinking on the modification was to use a glass
Soxhlet thimble which could be used as the collector (with appropriate
sorbent) and could be Soxhlet-extracted to recover collected pesticides.
Holes in the glass near the top could, with help of spring-wire tongs,
be used as a means of moving the thimble when necessary without contami-
nating the glass surface. For storage and shipping purposes, the thimble,
23
-------
with its contents, would be protected by placing it in an appropriate
container. A size 24 Soxhlet extractor was chosen as the largest
that can be conveniently handled. The diameter of the glass frit in
a size 24 thimble is approximately 50 mm. It was soon discovered
that insufficient air flow could be pulled through this glass frit
by the air sampler pump. The O.D. of the size 24 thimble is 57 mm.
Measurement showed, however, that the standard wall 64-inra O.D. Pyrex
glass tubing will fit in the size 24 Soxhlet. Fritted glass thimbles
were made using the 64-mra O.D. tubing. It was finally concluded that
the state-of-the-art for making glass frits was not advanced enough
to consistently permit the desired high air flow rates. Satisfactory
flows can be obtained by using 100-mesh stainless steel cloth or a
thin compressed layer of glass wool instead of the fritted glass.
The sample collector as now designed consists of the follow-
ing component parts:
a. Collector-extractor
(1) The collector-extractor is essentially a glass
Soxhlet thimble with various modifications appropriate to considerations
of the solid sorbent. The principal part of the collector-extractor
is a 150-mm length of standard 64-mm O.D. Pyrex glass tubing which may
have'O, 1, or 2 indentations (internal rolled rims) to serve as internal
supports. Figure .4 shows a collector-extractor with two (2) internal
rolled rims and shows how the retaining screens are clamped to the rolled
rims. This design is for porous polymer beads or other solids of similar
size. It is not necessary to disassemble the unit for extraction since
the entire unit can be placed in the Soxhlet extractor. After extraction
the remaining solvent is evaporated and the collector-extractor is ready
for reuse.
(2) An alternate design has only the one rolled rim at
the lower location. With this design the retaining screen is clamped
to the top side of the rolled rim by a center screw which threads in a
clamping bar, which locks against the bottom side of the single rolled
rim. Solid sorbent or liquid-coated glass beads can be retained by
glass wool held in place by a spring arrangement.
24
-------
FIGURE 4. COLLECTOR-EXTRACTOR
o
64- x 150 -mm
Glass
Cylinder
(I.D. ~60 mm)
Retaining
Screens
Indentation
Sorbent
25
-------
(3) A plain glass cylinder (no rolled rims) can be
used with polyurethane foam which makes a tight press-fit.
(4) Other modifications of the 64- x 150-mm tube
can be made as long as they allow placement of the tube in the Soxhlet
extractor.
b. Adapter
With the SURC collecting module, a small platform was
used to provide a means of fastening the glass pipe reducer (containing
the coated beads) to the high-volume air sampler. This platform is
removed and the adapter shown in Figure 5 is fastened to the pipe
nipple. As can be seen in Figure 5 the adapter is merely a thin-walled
aluminum cylinder in which the collector-extractor is placed when sampling.
The collector-extractor extends about 5 cm above the cylinder and the
aluminum-to-glass seal is made by wrapping with Teflon tape, followed
by polyethylene tape held tight with electrical tape. Other sealing
arrangements would also be satisfactory.
c. Filter Holder
The filter holder as shown in Figure 5 was fabricated
from a commercially available 4" (10-cm) filter holder (Curtin Matheson
Scientific, Inc., Beltsville, Maryland, Cat. No. 090-027) and adapted
to make another "wrap" seal connection to the collector-extractor. A
flanged aluminum cylinder was also fabricated to seal against the glass
.t
fiber filter and provide a container for the granular charcoal used to
clean the incoming air. This charcoal pre-filter would not be used in
actual ambient air sampling.
2. Test Pesticides and Related Compounds
Additional test pesticides and related materials and compounds
were added to the original list of chlorinated pesticides, organophosphate
pesticides, and carbamate pesticides. The additional materials and
compounds to be tested were as follows:
Aroclor 1016
Aroclor 1254
2,5,2'-trichlorobiphenyl
2,6,2',6'-tetrachlorobipheny1
2,3,4,2',5'-pentachlorobiphenyl
2,4,6,2',4',6'-hexachlorobipheny1
2,3,4,5,6,2',51-heptachlorobiphenyl
26
-------
FIGURE 5. SAMPLING MODULE
Charcoal
Filter
-Filter Holder
Collector-Extractor
• 1
1
r
i
i
i
i
i
L - -T
1
^B
1
1
f
1
|
1
1
1
1
T I
1
,
I* 1/2" Pipe Nipple
27
-------
Time permitting, as many as possible of the following substi-
tute pesticides were to be tested.
Atrazine CIPC Lasso
Azodrine Diuron Propanil
Benomyl 2,4D Trifluralin
Bromacil Kepone
3. Pesticide Generation
The method of pesticide generation previously described and
as used in the first year's work performed well but was changed to a
simpler system for the remainder of the work. One solution containing
known amounts of each compound or material was made for each series of
tests. A known amount of this solution was placed on a small piece of
glass fiber filter. This piece of glass fiber filter (generator) was
placed on a wire screen over the collector-extractor just before the
filter holder was put in position and the sampler started.
This change in generator was made to simplify and shorten
generator preparation time and to ensure more complete volatilization
of the test pesticides.
4. Gas Chromatographic Analysis
A Hewlett-Packard Model 5713A gas chromatograph equipped with
an EC detector (Ni-63) was used for most of the work. A coiled glass
column, 4-mm (I.D.) by 1.8-m in length, packed with 1.5% OV-17 + 1.95%
OV-210 on 80/100 mesh Gas Chrom Q, was used. The carrier gas was 5%
methane-95% argon at a flow rate of 60-ml/minute. The inlet temperature
was 225°C and the detector temperature was 300°C. The column temperature
varied from 160 C to 200 C depending on what group of compounds was being
analyzed. This same instrument with a stainless steel 1/8" x 50-cm column of
10% UC-W98 on 80/100 mesh Chromosorb W was used for the work with the
substitute pesticides.
The 10% UC-W98 column in a Tracer MT-220 gas chromatograph
equipped with a Hall Electrolytic Conductivity Detector (Model 310) was
used for analysis of the two carbamates, carbaryl and carbofuran. Two
other columns that were reported to perform well with carbaryl were not
found to be satisfactory. The 10% UC-W98 column, purchased from Hewlett-
Packard, worked well with both carbamates and because of this was also
used with the substitute pesticides. All chromatographic recovery data wds
based on peak height comparison of each peak with the corresponding peak
28
-------
height in the standard sample; i.e., external standardization.
5. Other Equipment Changes
For this part of the work, two (2) high-volume samplers of
improved design were received from EPA. These improvements were in
the design of the sampling system (exclusive of the collecting module)
and the flow measuring devices. The system capabilities were unchanged;
therefore, engineering changes will not be discussed further in this
report. The system is described by Lewis, et al*.
It was recommended that ducts be provided to direct the hot
exit air from the motors away from the sample intake. This was
accomplished by adapting a commercially available home dryer duct
to each motor which carried .exit gas away from the samplers.
6. Sorbents to be Evaluated
a. Polyurethane Foam
The polyurethane foam was obtained locally from the
manufacturer (Foam Products of San Antonio, Inc.). It was identified
as an open-cell polyether-type #1545 polyurethane foam. Two foam
plugs 7.0-cm diameter x 7.6-cm in length were cut and each was compressed
(about 14%) to fit into a single indentation (with screen wire) 6.0-cm
I.D. collector-extractor tube. They were initially prepared by Soxhlet-
extracting for 16 hours with 5% diethylether in hexane. These same two
polyurethane plugs were used throughout the remainder of the project.
b. Tenax-GC
Tenax-GC, 35/60 mesh, was obtained from Applied Science
Laboratories, Inc., State College, Pennsylvania. The fines were removed
by passing high velocity air through a bed of the Tenax. Two traps of
the two-rim type (Figure 4) were prepared with 40fml each of the Tenax-GC.
They were initially conditioned by Soxhlet-extracting for 16 hours with
hexane. These same two traps were used throughout the remainder of the
project.
* R. G. Lewis, A.r R.. Brown and M. D. Jackson, "Evaluation of Polyurethane
Foam for' Sampling of Pesticides, Polychlorinated Biphenyls, and
Polychlorinated Naphthalenes in Ambient Air, Anal. Chem. . 40. (10),
in press, September, 1977.
29
-------
c. Chromes-orb 102
Chromosorb 102, 20/30 mesh, was obtained from Johns-
Manville, Denver, Colorado. This larger particle-size Chromosorb 102
permitted the higher air flows required by the program. Two traps of
the one-rim type were made with 50 ml each of the Chromosorb 102.
They were initially prepared by Soxhlet-extraction for 16 hours with
5% ethyl ether in hexane. These same two traps were used throughout
the remainder of the project.
7. Sorbent Evaluation Procedure
The pesticide generator was prepared by placing a known amount
of pesticide (or other material) on a small piece of glass fiber filter
mat which in turn was placed on a screen supported by the top edge of
glass collector. The system (Figure 5), when in use for testing,
performed in the following manner: Air was pulled through the char-
coal bed (125 ml) at a measured rate to eliminate or reduce volatile
air contaminants and then through a 10-cm diameter glass fiber filter
to remove particulate matter. The precleaned air was next passed over
the pesticide generator where the vaporized pesticide (or other mater-
ials) was introduced into the airstream. The air was then immediately
passed through the test sorbent.
•> '
Af'ter the test period (24 hours), the generator strip was
placed in 10 ml hexane in a volumetric flask to recover any nonvolatilized
test material. The collector-extractor was placed in a Soxhlet and
extracted for 4 hours at 10-12 minutes per cycle. Pure hexane was used
to extract the Tenax-GC and 5% ethyl ether in hexane was used to extract
both the polyurethane foam and the Chromosorb 102. The polyurethane foam
was compressed about 70% while being extracted. A screen wire was placed
on top of the foam and the foam compressed between this screen and the
screen already in place. A spring wire held the foam in the compressed
state during extraction. The extract from the test sorbent (about 600 ml)
was concentrated to 10 ml in a Kuderna-Danish evaporator. The samples
were chromatographed without further cleanup. Recovery data were based
on the percent recovered relative to that which was lost from the
generator. The actual amounts recovered or left on the generator were
30
-------
determined by peak height comparison to standards prepared at the same
time as the generator. That is, the standard represented 100% recovery.
8. Sorbent Evaluations
a. Chlorinated Pesticides
Average collection efficiencies for the chlorinated
pesticides by the test sorbents are summarized in Table 4. A chroma-
togram of the standard chlorinated pesticide mixture is shown in
Figure 6. Detailed data sheets for each of the tests with the chlori-
nated pesticides series are given in Appendix I.
The chlorinated pesticides used were a-BHC, lindane,
aldrin, p,p'-DDE, p,p'-DDT, and mirex. One microgram (1 Mg) of each
was deposited on the generator. Complete vaporization of pesticides
resulted in most cases, with the exception of mirex.
The collection efficiencies for all test pesticides were
generally high with Tenax-GC and Chromosorb 102. Collection of a-BHC
and aldrin was poor for the polyurethane foam plug.
b. Mixed polychlorinated biphenyls (PCB's)
Collection efficiency data for the synthetic mixture of
PCB's are summarized in Table 5. A chromatogram of the standard mixture
is presented in Figure 7. Detailed data sheets for each of the tests
in the series are contained in Appendix II.
The PCB's used were:
B3 2,5,2'-trichlorobiphenyl
B4 2,6,2',6'-tetrachlorobipheny1
B5 2,3,4,2',5'-pentachlorobipheny1
B6 2,4,6,2',4' ,6'-hexachlorobipheny1
B7 2,3,4,5,6,2',5'-heptachlorobipheny1
One microgram (1 jig) of each was deposited on the generator.
Vaporization of all compounds was complete. Collection efficiencies for
all PCB's were good with Tenax-GC and Chromosorb 102. Collection of
2,5,2'-trichlorobiphenyl (B3) was poor with polyurethane foam.
c. Aroclor 1016
Averaged data for the collection of several components of
Aroclor 1016 by the solid sorbents are summarized in Table 6. Selected
dominant GC peaks were monitored for calculation of collection efficiencies.
31
-------
-TABLE 4. CHLORINATED PESTICIDES
10
Test
R-68
R-81A
R-81B
R-69
R-70
Sorbent
Poly-U
ii
ii
Chr amo- 102
Tenax
o
Temperature C
Max. Min.
31
30
30
31
32
25
25
25
26
28
Sampling
Rate
1/min
280
280
280
258
245
a-BHC
44
25
25
97
84
Lin.
—
86
89
88
84
% Collected
Aid. DDE
58
27
34
83
85
—
103
132
91
80
DDT
86
102
100
90
87
Mir.
83
105
100
87
88
-------
FIGURE 6.
GAS CHROMA TOGRAM OF CHLORINATED
PESTICIDES STANDARD
Column: 1.5% OV-17/1.95% QF-1 at 200°C
Detector: Nickel-63 Electron Capture, Pulsed Mode
W
Q
P
i
ex
U
K
ffi
i
cJ
.3
Ur—'
X
0)
0
12 16
Minute s
20
24
33
-------
TABLE 5. SYNTHETIC PCB MIXTURE
10
•P-
Test
R-76
R-75
R-74
Sorbent
Poly-U
Chromo-102
Tenax
o
Temperature . C
Max. Min.
30 25
29 27
28 25
Sampling
Rate
1/min
280
253
253
B3
30
108
107
B4
90
121
124
% Collected
B6
99
102
97
B5
103
109
103
B7
96
106
94
KEY: B3 = 2,5,2'-trichlorobiphenyl
B4 = 2,6,2',6'-tetrachlorobiphenyl
B5 = 2,3,4,2', 5'-pentachlorobipheny1
B6 = 2,4,6,2',4',61-hexachlorobipheny1
B7 = 2,3,4,5,6,2',5'-heptachlorobiphenyl
-------
FIGURE 7. GAS CHROMA TOGRAM OF MIXED PCB STANDARD
1.5% OV-17/1. 95% QF-1 at 200°C
Nickel-63 Electron Capture Detector, Pulsed Mode
B6
B7
0
12
16
20
Minute s
35
-------
TABLE 6. AROCLOR 1016
CO
Test
R-77
R-78
R-80
o
Temperature c
Sorbent Max. Man.
Poly-U 29 24
Chromo-102 30 25
Tenax 31 27
Sampling
Rate
1/min
280
253
265
% Collected, by Component
A B C D E
7fl 66 111 116 111
107 102 99 100 100
99 104 99 94 98
-------
A chromatogram of the Aroclor 1016 standard is given in Figure 8.
Detailed data sheets for each test of the series are contained in
Appendix III.
Since Aroclor 1016 is a complex mixture, various peaks
in the chromatogram were given identification letters (A,B,C,D,E) for
test purposes. Ten micrograms (10 jzg) of Aroclor 1016 was deposited
on the generator. Vaporization of all components monitored was complete.
The collection efficiencies for all monitored compounds were good with
Tenax-GC and Chromosorb 102. Collection recovery of components A and
B were less than desirable with the polyurethane foam.
d. Aroclor 1254
Average collection efficiency data for various components
of Aroclor 1254 are given in Table 7. Selected dominant GC peaks were
monitored for recovery calculations. A chromatogram of the Aroclor 1254
standard is given in Figure 9. Detailed data sheets for each test of
the series are given in Appendix IV.
Aroclor 1254, like Aroclor 1016, is a complex mixture
and various peaks on the gas chromatogram were given identification
numbers (1,2,3,4,5,6,7) for test purposes. Ten micrograms (10 jzg) of
Aroclor 1254 was deposited on the generator. Vaporization of all
monitored components was complete except for 5, 6, and 7 on R-73, for
which 10% or less remained on the generator. The collection of all
monitored components appears to be good for all test sorbents, including
polyurethane foam.
e. Organophosphate Pesticides
Average collection efficiency values for the test
organophosphate pesticides are presented in Table 8. A chromatogram
of the organophosphate pesticide standard mixture is given in Figure 10.
Detailed data sheets for each test of the series are contained in
Appendix V.
The organophosphate pesticides used were mevinphos,
Diazinon, and methyl parathion. Quantities placed on the vapor generator
were 10 ng mevinphos, 3 pig Diazinon, and 1 /zg methyl parathion. Complete
vaporization of all pesticides occurred in all tests.
37
-------
FIGURE 8. GAS CHROMA TOGRAM OF AROCLOR 1016
1.5% OV-17/1.95% QF-1 at 160°C
Nickel-63 Detector, Pulsed Mode
Letters designate peaks used for determination
of collection efficiencies.
0
12
Minut e s
16
20
24
38
-------
TABLE 7. AROCLOR 1254
U)
vo
Test
R-73
R-71
R-72
Sampling
Temperature C Rate
Sorbent Max. Min. 1/min
Poiy-U 30
', Chromo-102 32
Tenax 29
21 285
27 260
16 258
% Collection, by Component
1 2 3 4567
151 105 120 103 102 100 102
181 105 115 99 94 96 99
159 111 127 111 102 100 101
-------
FIGURE 9. GAS CHROMA TOGRAM OF AROCLOR 1254 STANDARD
1.5% OV-17/1.95% QF-1 at 190°C
Nickel-63 Electron Capture Detector, Pulsed Mode
Numerals indicate peaks used to calculate collection
efficiencies.
0
8 12
Minute s
16
20
24
40
-------
TABLE 8. PHOSPHATE PESTICIDES
•is-
t-1
Test
96A
96B
V
97A
97B
98A
98B
Sorbent
Chromo 102
Chromo 102
Poly U
Poly U
Tenax GC
Tenax GC
Temperature
Max.
26
26 —
27
27
27
27
°C
Min.
18
18
17
17
18
18
Sampling
Rate
1/min
v 240
240
240
240
240
240
Mevinphos
92
94
92
98
108
102
% Collected
Diazinon
94
94
103
107
96
91
Et . Parathion
95
89
95
96
97
97
-------
FIGURE 10.
GAS CHROMA TOGRAM OF PHOSPHATES
PESTICIDES STANDARD
1.5% OV-17/1.95% QF-1 at 185°C
Detector: Electron Capture, Ni-63, Pulsed Mode
Mevinphos
Methyl Parathion
4 8
Minute s
12
42
-------
Collection of all test organophosphates by all test
sorbents (Tenax, Chromosorb 102, and polyurethane foam) was good.
f. Carbamate Pesticides
Average values for the collection of the test carbamate
pesticides are summarized in Table 9. A chromatogram of the carbamate
standard is given in Figure 11. Detailed data sheets for each test
of the series are presented in Appendix VI.
The carbamates used were carbofuran and carbaryl. Since
the sensitivity of the electrolytic conductivity detector varied, ethyl
parathion was added to serve as an internal standard. The amount of
each pesticide placed on the generator was 20 pg of carbofuran, 40 fig
of carbaryl, and 40 /ug of ethyl parathion. Vaporization of the carbamates
and ethyl parathion was 90-100% complete.
The collection efficiencies of both carbofuran and carbaryl
were very poor for all test sorbents. Collection of ethyl parathion
was good for all test sorbents, which indicated satisfactory detector
and sampler performance. Recoveries of the carbamates when placed
directly on the test sorbent were good, suggesting essentially no loss
on extraction; therefore, the indicated low collection efficiencies were
assumed to be real.
g. Substitute Pesticides
There was insufficient time to evaluate all the substitute
pesticides suggested by the Project Officer. Average collection
efficiency data for those which were evaluated are summarized in Table 10.
A chromatogram of the substitute pesticides standard is shown in Figure 12.
Detailed data sheets for each test of the series are contained in
Appendix VII.
The substitute pesticides used were CIPC, trifluralin,
atrazine, and Lasso. The amounts of each placed on the vapor generator
were: CIPC 100 ng, trifluralin 0.60 ng, atrazine 40.0 /zg and Lasso
2.00 Mg. Atrazine vaporized only to the extent of about 50%, while the
other compounds were essentially quantitatively vaporized.
The collection of all the substitute pesticides evaluated
was good on Tenax GC and Chromosorb 102. Trifluralin was poorly trapped
by polyurethane foam, although collection efficiency was good for other
substitute pesticides.
43
-------
TABLE 9. CARBAMATE PESTICIDES
Test
™i
102A' .,!
102B
I .
103A
103B
104A
104B
Sorbent
Poly U
Poly U
Chromo 102
Chromo 102
Tenax GC
Tenax GC
o
Temperature C
Max. Min.
32
32
35
35
32
32
20
20
17
17
15
15
Sampling
Rate
1/min
240
240
240
240
240
240
Carbofuran
20
21
5
9
8
12
% Collected
Carbaryl
15
14
6
18
3
7
Et Parathion
98
86
78
92
77
85
-------
FIGURE 11. GAS CHROMA TOGRAM OF CARBAMATE STANDARD
10% UC-W98 at 160°C (SS, 1/8" x 50-cm)
Detector: Hall Electrolytic Conductivity, Reductive
Mode, 800°C.
Carbofuran
Ethyl
Parathion
4
•*•
M inut e s
45
-------
TABLE 10. SUBSTITUTE PESTICIDES
ON
Test
105A
107A
105B
107B
106A
106B
Sorbent
Poly U
Poly U
Chromo 102
Chrorao 102
Ten ax GC
Tenax GC
Temperature
Max.
24
26
24
26
24
24
°C
Min.
21
19
21
19
21
21
Sampling
Rate
1/min
240
240
240
240
240
240
CIPC
86
92
93
89
94
87
% Collected
Trifluralin Atrazine
22
8
88
85
92
93
88
104
81
107
80
93
Lasso
—
108
100
99
109
104
-------
FIGURE 12.
GAS CHROMA TQGRAM OF SUBSTITUTE
PESTICIDES STANDARD
10% UC-W98 (SS 55-1/8" x 50-cm)
Temperature programmed from 150° to 170°C
at 40°C/min. Electron Capture Detector,
Ni-63, Pulsed Mode.
4 8
Minute s
12
47
-------
C. Field Testing
1. Ambient Air Sampling
Two samplers equipped wilih SwRI sampling modules were used
for this outdoor study. The sampling procedure was essentially the
same as that previously stated, except that there was no pesticide
generation and charcoal was not nomally used as a pre-filter. The glass
fiber particulate filter was employed, however. The running tine was
shortened to 22 hours to allow for turn-around time from one day's
sampling to another. The sampling rate was always 240 liters per minute
regardless of the sorbent being used. Each sampling day two different
sorbents were evaluated. On one day (R-115) only, one of two samplers
in which Tenax GC was being used was provided with a charcoal pre-filter
in addition to the glass fiber filter. Figure 13 shows the two
chromatograms obtained from these two samples; that in, they represent
ambient air vs charcoal-cleaned air. In one test (R-113, Tenax + S),
the pesticides listed were generated at the 2.0 ng/m level. The
results of this test are presented in Table 11 along with those from an
unspiked ambient air sample (R-113, Tenax) collected simultaneously.
Table 12 lists the pertinent sample and climatological data
for the field,tests made during the last month of the program. Apparent
air concentrations of six organochlorine pesticides are also listed.
These analyses were by electron capture gas chromatography, with no
attempt to confirm results. No particular problems were encountered
during the field test phase of the program.
2. Sample Preparation and Chromatography
Extraction and concentration of ambient air samples were carried
«put in the same manner as for the sorbent comparison testing. In addition,
a simple alumina cleanup was used to remove non-pesticidal residues.
The approximately 10-ml sample from the Kuderna-Danish Evaporator was
further concentrated to about 3 ml under a gentle stream of nitrogen.
48
-------
FIGURE 13. GAS CHROMA TOGR AM OF MATERIAL COLLECTED
FROM AMBIENT AIR VS. CHARCOAL-FILTERED AIR
Column: 4-mm(id) x 183-cm glass, 1.5% OV-17/1.95%
QF-1 at 200°C.
Detector: Ni-63 ECD, Pulsed Mode
A - Ambient Air
B - Charcoal-Filtered Air
0
8 12
Minut e s
16
20
49
-------
TABLE 11. FIELD TEST OF TENAX GC WITH AND WITHOUT
GENERATED PESTICIDES
GC Retention
Time (min)
Pesticide
Ambient Air
Level (ppt)
Measured Air Level
With Pesticides
Introduced at 2 ppt (ppt)
1.86
2.33
3.47
7.27
13.25
20.02
a-BHC
Lindane
Aldrin
p,p'-DDE
p,p'-DDT
Mirex
3.91
0.84
0.89
0.35
0.29
0.03
5.45
2.48
1.84
2.28
2.44
1.93
50
-------
TABLE 12. AMBIENT AIR SAMPLES
Test #
108A
108B
109A
109B
110A
11 OB
111A
111B
112A
113A
113B
114A
114B
115A
115B
116A
116B
117A
117B
118A
118B
119A
11 9B
120A
120B
121A
121B
122A
122B
123A
123B
124A
124B
125A
125B
126A
126B
Date
Taken
(start)
5-24-77
5-24-77
5-25-77
5-25-77
5-26-77
5-26-77
5-30-77
5-30-77
5-31-77
6-1-77
6-1-77
6-2-77
6-2-77
6-6-77
6-6-77
6-7-77
6-7-77
6-8-77
6-8-77
6-9-77
6-9-77
6-13-77
6-13-77
6-14-77
6-14-77
6-15-77
6-15-77
6-16-77
6-16-77
6-20-77
6-20-77
6-21-77
6-21-77
6-22-77
6-22-77
6-23-77
6-23-77
Sorbent
Tenax
Chromosorb 102
Polyurethane
Chromosorb 102
Polyurethane
Tenax
Tenax
Chromosorb 102
Polyurethane
Tenax
Tenax + S
Chromosorb 102
Polyurethane
Tenax(charcoal)
Tenax
Polyurethane
Chromosorb 102
Chromosorb 102
Polyurethane
Tenax
Polyurethane
Tenax
Chromosorb 102
Chromosorb 102
Polyurethane
Polyurethane
Tenax
Tenax
Chromosorb 102
Chromosorb 102
Polyurethane
Tenax
Polyurethane
Chromosorb 102
Tenax
Chromosorb 102
Polyurethane
* +2 ng/m (2 ppt) spike
** Charcoal-filtered air
Temp.
Max
34
34
34
34
35
35
36
36
39
38
38
39
39
39
39
42
42
40
40
38
38
40
40
39
39
39
39
38
38
37
37
36
36
36
36
29
29
°C
Min
19
19
21
21
20
20
22
22
18
19
19
20
20
19
19
18
18
21
21
20
20
21
21
22
22
23
23
23
23
25
25
22
22
21
21
21
21
Humidity % a-BHC
Start Finish (ng/m )
71
71
97
97
80
80
95
95
100
80
80
80
80
94
94
56
56
66
66
65
65
61
61
64
64
64
64
73
x 73
82
82
78
78
85
85
100
100
99
99
97
97
94
94
100
100
91
99
99
90
90
85
85
75
75
96
96
96
96
85
85
94
94
94
94
94
94
95
95
95
95
100
100
100
100
1.30
1.26
0.74
1.23
0.89
1.26
1.86
2.09
1.84
3.91
*5.45
3.02
2.21
**0.03
3.13
2.65
2.56
3.49
1.91
2.07
1.35
1.75
1.88
1.92
1.39
0.75
1.66
0.86
0.96
0.81
0.43
0.86
0.58
1.32
1.27
1.38
0.80
Lindane
(ng/ni )
0.29
0.26
2.08
2.41
0.46
0.53
1.08
1.18
0.79
0.84
2.48
1.06
1.23
0.02
2.05
0.84
0.87
1.08
1 .00
0.78
1.35
0.83
0.89
0.66
0.77
0.84
1.47
0.89
1.14
0.61
0.62
0.89
0.75
0.89
0.81
0.30
0.29
Aldrin
(ng/m )
0.03
ND
0.06
0.03
0.06
0.02
0.02
0.02
0.12
0.89
1.84
0.16
0.26
0.02
0.32
1.97
1.91
0.05
0.30
0.02
0.15
ND
0.04
0.12
0.14
0.29
0.02
0.09
0.04
ND
0.08
0.03
0.05
0.02
ND
ND
0.08
p.p'-^DE
(ng/m )
0.32
0.35
0.50
0.57
0.52
0.59
0.49
0.65
0.33
0.35
2.28
0.39
0.52
ND
0.25
0.06
0.09
0.43
0.66
0.22
0.71
0.31
0.41
0.30
0.44
0.68
0.58
0.60
0.78
0.48
0.57
0.59
0.67
0.67
0.68
0.55
0.46
p.P'-gDT
(ng/m )
0.25
0.26
0.26
0.28
0.29
0.30
0.32
0.38
0.32
0.29
2.44
0.26
0.39
ND
0.26
0.34
0.32
0.37
0.38
0.30
0.63
0.26
0.45
0.28
0.37
0.40
0.45
0.28
0.31
0.43
O.b1
0.39
0.47
0.50
0.40
0.51
0.51
Mirtx,
(ng/m >
0.02
C.C2
0.02
C.03
0.03
0.04
ND
ND
0.03
0.03
1.93
0.03
0.06
ND
ND
ND
ND
ND
ND
ND
ND
0.03
0.02
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
-------
The concentrate was then cleaned up by the method of Bidleman and
Olney*. The sample was again made up to 10 ml for injection onto
the chromatographic column. The samples were analyzed on a 4-mm I.D.
x 182-cm column of 1.5% OV-17/1.95% QF-1 at 200°C using an electron
capture detector.
3. Field Study Data
A newly installed Hewlett-Packard 3354A Laboratory Data
System was available for this last stage of the program. A method
was prepared using the chlorinated pesticide standard for calibration
purposes. All unnamed peaks in the program were assigned the same
response factor as aldrin; that is, the data contained in the column
labeled PPT (parts-per-trillion) on the computer print-out (Appendix
VIII) was based on the assumption that the electron capture detector
has the same sensitivity to all unnamed peaks as it does to aldrin.
If a peak occurred within a time bracket assigned to a certain pesti-
cide, that peak was labeled as being the assigned pesticide. Proof
of identity was beyond the scope of work of this program.
No extensive evaluation of the field test will be attempted.
It will suffice to say at this time that the chlorinated pesticides
can readily be detected at the 1 ng/m level. The bulk of the field
»
tests indicate 'possible airborne pesticides at the low-to-fractional
ng/m level. All of the print-out sheets from the field test study
are included in Appendix VIII of this report.
* Bidleman, T. F. and Olney, C. E., Bull. Environ, Contain, and Toxicol.,
11, 442-450, 1974.
52
-------
APPENDIX I
CHLORINATED PESTICIDES - COLLECTION EFFICIENCY DATA
53
-------
R-68
Sorbent Polyurethane foam
Sampler No. 6
Filter GF + C
Start:
Finish:
Date
1/25/77
Date 1/26/77
Flow
280 g/min.
Flow
280
8/min.
Time
Temp.
Press.
Humidity
Amount Put
on Generator
Pesticide jug
Chlorinated
a-BHC 1.00,
Lindane 1.00
Aldrin 1 . 00
DDE 1.00
Mirex 1.00
8: 45 A.M.
Max.
27 °C 31°c
749 mm
30 %
Residue
on Generator
m
0.0
0.0
0.0
0.0
0. 18
Time 8:4
Min.
25°c Temp
Press.
Humidity
Amount
Generated
M9
1.00
1.00
1.00
1.0
0.82
t5 A.IW;
29 "C
744 mm
34 %
Amount
Recovered %
jug Recovery
0. 44 44
—
0. 66 66
0.92 92
0. 68 83
'GF + C = Glass Fiber + Charcoal
54
-------
R- 69
Sampler No. 6
Start:
Date 1/26/77
Flow 2 60 e/min.
Time 9: 15 A.M.
Max.
Temp. 29 °C 31 °C
Press. 743 mm
Humidity 34 %
Amount Put Residue
on Generator on Generator
Pesticide /jg jug
Chlorinated
a-BHC 1.00 0.0
Lindane 1.00 0.0
Aldrin 1.00 0.0
DDE 1.00 0.0
DDT 1.00 . 0.0
Mirex 1. 00 0. 10
Sorbent Chromosorb 102
Filter GF
Finish:
Date
Flow
Time
Min.
26°C Temp
Press.
Humidity
Amount
Generated
M9
1.00
1.00
1.00
1.00
1.00
0. 90
+ c
1/27/77
255 C/min.
9: 15 A.M.
30 °c
738 mm
%
Amount
Recovered
m
0.97
0.88
0. 83
0.91
0.90
0.78
%
Recovery
97
88
83
91
90
87
55
-------
Pesticide
R- 70
Sampler No. 6
Start:
Date 1/27/77
Flow 25° 8/min.
Time 9: 30 A.M.
Max.
Temp. 29 °C 32 °C
Press. 738 mm
Humidity 37 %
Amount Put Residue
on Generator on Generator
M9 M9
Sorbent
Filter
Finish:
Date
Flow
Time
Min.
28°C Temp
Press.
Humidity
Amount
Generated
M9
Tenax
GF + C
1/28/77
240 2/min.
9: 30 A.M.
32 °C
738 mm
34 %
Amount
Recovered
M9
%
Recovery
Chlorinated
a-BHC
Lindane
Aldrin
DDE
DDT
Mir ex
1.00 0.0
1.00* 0.0
1.00 0.0
1.00 0.0
1.00 0.0
1.00 0.04
1.00
1.00
1.00
1.00
1.00
0.96
0.84
0.84
0.85
0.89
0.88
0.84
84
84
85
89
88
88
56
-------
R- 81A
Sorbent Polyurethane Foam
Sampler No. 6
Start:
Date 2/28/77
Flow 280 2/min.
Time 2:00 A.M.
Max.
Temp. 28 "C 30 °C
Press. 749 mm
Humidity 26 %
Amount Put Residue
on Generator on Generator
Pesticide jug M9
Chlorinated
a-BHC 1..00 0.00
Lindane 1.00 0.00
Aldrin 1.00 0.00
DDE 1.00 0.00
DDT 1.00 0.00
Mirex 1.00 0.00
Filter
Finish:
Date
Flow
Time
Min.
25 °C Temp
Press.
Humidity
Amount
Generated
1.00
1.00
1.00
1.00
1.00
1.00
GF + C
3/1/77
275 2/min.
1:00 A.M.
29 °C
747 rnm
35 %
Amount
Recovered
M9
0.25
0.86
0.27
1.03
1.02
1.05
Recovery
25
86
27
103
102
105
57
-------
R- 8 IB
Sampler No. 4
Start: '
Date 2/28/77
Flow 280 K/min.
Time 2:00 A.M.
Max.
Temp. ' 28 °C 30°C
Press. 749 mm
Humidity 26 %
Amount Put Residue
on Generator on Generator
Pesticide jug jug
Chlorinated
a-BHC 1.00 * - 0.0
Lindane 1.00 0.0
Aldrin 1.00 0.0
DDE 1.00 0.0
DDT 1.00 0.0
Mir ex 1.00 : 0.0
Sorbent
Filter
Finish:
Date
Flow
Time
Min.
25°C Temp
Press.
Humidity
Amount
Generated
Mg
1.00
1.00
1.00
1.00
1.00
1.00
Polyur ethane
GF + C
3/1/77
280 S/mi
1:00 A.M
29 °C
747 mm
35 %
Amount
Recovered
M9
0.25
0.89
0.34
--
1.00
1.00
Foam
n.
.
%
Recovery
25
89
34
-
100
100
58
-------
APPENDIX II
SYNTHETIC PCB MIXTURE - COLLECTION EFFICIENCY DATA
59
-------
R- 74
Sampler No. 6
Start:
Date 2/9/77
Flow
255
Time 8:30
Temp. 2 6
Press. 751
Humidity 34
Sorbent Tenax
Filter QF + C
Finish:
8/min.
Date
Flow
A.M. Time
Max. Min.
2/10/77
250
8:30
£/min.
A.M.
28°C 25°C Temp 26
mm
Press.
748
mm
Humidity 42
Pesticide
Amount Put Residue
on Generator on Generator
jug M9
Amount
Generated
M9
Amount
Recovered %
pig Recove
Mixed PCB
B3
B4
B6
B5
B7
1.
1.
1.
1.
1.
00 0.0
> • -r,-<
00 " 0.0
00 0.0
00 0.0
00 0.0
1.00
1.00
1.00
1.00
1.00
1.
1.
0.
1.
0.
07
24
97
03
94
107
124
97
103
94
60
-------
R- 75
Sampler No. 6
Start:
Date 2/10/77
Sorbent Chromosorb 102
Filter GF + C
Finish:
Flow
255
C/min.
Date 2/11/77
Flow 250
Time 9: 10
Temp. 27
A.M. Time 9: 10
Max. Min.
°C 29 °C 27 °C Temp 27
2/min.
A.M.
°C
Press. 748
mm
Humidity 42 %
Pesticide
Mixed PCB
B3
B4
B6
B5
B7
Amount Put
on Generator
1.00
1.00
1.00
1.00
1.00
Residue
on Generator
M9
0.0
0.0
0.0
0.0
0.0
Press.
Humidity
Amount
Generated
1.00
1.00
1.00
1.00
1.00
743 mm
50 %
Amount
Recovered
M9
1.08
1.21
1.02
1.09
1.06
Recovi
108
121
102
109
106
61
-------
R- 76
Sampler No. 6
Sorbent Polyur ethane Foam
Filter GF + C
Start:
Date
Flow
2/11/77
280
Time 9:25
Temp. 27
Press. 743
Humidity 50
Amount Put
on Generator
Pesticide M9
Mixed PCS
B3
B4
B6
B5
B7
1.00
1.00
1.00
1.00
1.00
e/min.
Finish:
Date
Flow
2/12/77
280
£/min.
A.M.
Max.
°C 30°C
mm
%
Residue
on Generator
M9
0.0
0.0
0.0
0.0
0.0
Time
Min.
25C Temp
Press.
Humidity
Amount
Generated
M9
1.00
1.00
1.00
1.00
1.00
9:25 A.M.
28 °c
746 mm
40 %
Amount
Recovered %
jug Recovery
0.30 30
0.90 90
0.99 99
1.03 103
0.96 96
62 •
-------
APPENDIX IV
AROCLOR 1254 - COLLECTION EFFICIENCY DATA
67
-------
R- 71
Sampler No. 6
Start: '
Date 2/1/77
Flow 262
Time 8: 40
Temp. 28 '
Press. 751
Humidity 32
Amount Put
on Generator
Pesticide jug
Arodor 1254
1 10.0
2 10.0
3 10.0
4 10.0
5 10.0
6 10.0
7 10.0
Sorbent
Filter
Finish:
Date
£/min. Flow
A.M. Time
Max. Min.
"C 32 °C 27 °C Temp
mm Press.
% Humidity
Residue Amount
on Generator Generated
M9 jug
0.0 10.0
0.0 10.0
0.0 10.0
0.0 10,0
0.0 10.0
0.0 10.0
0.0 10.0
Chromes orb 102
GF + C
2/2/77
258 fi/min.
8: 30 A.M.
29 °C
745 mm
35 %
Amount
Recovered
18.0
10.5
11.5
9.9
9.4
9.6
10.0
Recovery
180
105
115
99
94
96
100
68
-------
R- 78
Sorbent Chromosorb 102
Pesticide
Aroclor
A
B
C
D
E
Sampler No. 6
Start:
Date 2/17/77
Flow 255
Time 8:45
Temp. 26
Press. 749
Humidity 33
Amount Put
on Generator
M9
1016
10.0
10.0
10.0
10.0
10.0
Filter GF + C
Finish:
Date 2/18/77
g/min. Flow 250 2/min.
A.M. Time 8:45 A.M.
Max. Min.
°C 30 °C 25°C Temp 27 °C
mm Press. 745 rnrn
% Humidity 40 %
Residue Amount Amount
on Generator Generated Recovered
M9 M9 M9
0.0 10.0 10.7
0.0 10.0 10.0
0.0 10.0 9.9
0.0 10.0 10.0
0.0 10.0 10.0
%
Recovery
107
100
99
100
100
65
-------
R-80
Sampler No. 6
Start:
Sorbent Tenax
Filter GF + C
Finish:
Date
Flow
2/23/77
265
Time 8:45
Temp. 28
Press.
738
Humidity 30
£/min.
Date
Flow
A.M. Time
Max. Min.
°C 31 °C 27°C Temp
2/24/77
265 2/min.
8:45 A.M.
28 °C
mm
Press.
741
mm
Humidity 25
Pesticide
Aroclor
A
B
C
D
E
Amount Put
on Generator
1016
10.
10.
10.
10.
10.
o-
0
0
0
0
Residue
on Generator
0.
0.
0.
0.
0.
0
0
0
0
0
Amount
Generated
M9
10.
10.
10.
10.
10.
0
0
0
0
0
Amount
Recovered %
M9 Recover
9.
10.
9.
9.
9.
9
4
9
4
8
99
104
99
94
98
66
-------
APPENDIX IV
AROCLOR 1254 - COLLECTION EFFICIENCY DATA
67
-------
R- 71
Sorbent Chromosorb 102
Pesticide
Arodor
1
2
3
4
5
6
7
Sampler No. 6
Start: '
Date 2/1/77
Flow 262
Time 8:40
Temp. 28
Press. 751
Humidity 32
Amount Put
on Generator
M9
1254
10.0
*
10.0
10.0
10.0
10.0
10.0
10.0
Filter QF + C
Finish:
Date
fi/min. Flow
A.M. Time
Max. Min.
°C 32 °C 27 °C Temp
mm Press.
% Humidity
Residue Amount
on Generator Generated
M9 M9
^0.0 10.0
0.0 10.0
0.0 10.0
0.0 10.0
0.0 10.0
0.0 10.0
0.0 10.0
2/2/77
258 fi/min.
8: 30 A.M.
29 °C
745 mm
35 %
Amount
Recovered
M9
18.0
10.5
11.5
9.9
9.4
9.6
10.0
%
Recovery
180
105
115
99
94
96
100
68
-------
Pesticide
A r odor
1
2
3
4
5
6
7
R- 72
Sampler No. 6
Start:
Date 2/2/77
Flow 260
Time 8: 50
"
Temp. 28
Press. 745
Humidity 35
Amount Put
on Generator
M9
1254
10.0
10.0
10.0
10.0
10.0
10.0
10.0
Sorbent
Filter
Finish:
Date
2/min. Flow
A.M. Time
Max. Min.
°C 29°C 26°C Temp
mm Press.
% Humidity
Residue Amount
on Generator Generated
M9 M9
0.0 10.0
0.0 10.0
0.0 10.0
0.0 10.0
0.0 10.0
0.0 10.0
0.0 10.0
Tenax
GF + C
2/3/77
255 2/min.
8:50 A.M.
27 °C
744 mm
40 %
Amount
Recovered
M9
15.9
11. 1
12.7
11. 1
10.2
10.0
10. 1
%
Recovery
159
111
127
111
102
100
101
69
-------
R- 73
Sampler No. 6
Start:
Sorbent Polyurethane Foam
Filter GF + C
Finish:
Pesticide
Aroclor
1
2
3
4
5
6
7
Date 2/3/77
Flow 280
Time 9: 05
Temp. -27
Press. 744
Humidity 40
Amount Put
on Generator
M9
1254
10.0 ,
10.0
10.0
10.0
10.0
10.0
10.0
£/min.
A.M.
Max.
°C 31 °C
mm
%
Residue
on Generator
0.0
0.0
0.0
0.0
0.40
0.70
1.00
Date
Flow
Time
Min.
21°C Temp
Press.
Humidity
Amount
Generated
M9
10.0
10.0
10.0
10.0
9.6
9.3
9.0
2/4/77
280 fi/min.
9:05 A.M.
22 °C
748 mm
32 %
Amount
Recovered
M9
15. 1
10.5
12.0
12.0
9.6
9.5
9.0
Recovery
151
105
120
120
100
102
100
70
-------
APPENDIX V
ORGANOPHOSPHATE PESTICIDES - COLLECTION EFFICIENCY DATA
-------
R- 96A
Sampler No. 6
Sorbent Chromosorb 102
Filter GF + C
Start: '
Date 4/12/77
Flow 240
Time 9: 20
Temp. • 24
Press. 749
Humidity 70
Amount Put
on Generator
Pesticide M9
Phosphates
Mevinphos 10.Q
Diazinon 3. 0
Me Parathion 1. 00
Finish:
Date
2/min. Flow
A.M. Time
Max. Min.
°C 26°C 18°C Temp
mm Press.
% Humidity
Residue Amount
on Generator Generated
M9 M9
0.0 10.0
0.0 3.0
0.0 1.00
4/13/77
240 £/min.
8: 20 A.M.
20 °C
748 mm
97 %
Amount
Recovered
M9
9.2
2.8
0.95
%
Recovery
92
94
95
72
-------
R- 96B
Sampler No. 4
Start:
Date 4/12/77
Flow 240
Time 9:20
Temp. 24
Sorbent Chromosorb 102
Filter GF + C
2/min.
Finish:
Date
Flow
A.M. Time
Max. Min.
°C 26°C 18°C Temp
4/13/77
240 8/min.
8:20 A.M.
20 °C
Press.
Humidity
749'
70
Amount Put
on Generator
Pesticide (ig
Phosphates
Mevinpho s 10.
Diazinon 3.
Me Parathion 1.
0
0
00
mm
%
Residue
on Generator
M9
0.0
0.0
0.0
Press.
Humidity
Amount
Generated
10.0
3.0
1.00
748 mm
97 %
Amount
Recovered
9.4
2.8
0.89
Recovery
94
94
89
73
-------
R-97A
Sampler No. 6
Start:
Sorbent Polyurethane Foam
Filter QF + C
Finish:
Date
Flow
Time
Temp.
Press.
Humidity
4/13/77
280 ft/mm.
9:40 A.M.
Max.
22 °C 27°C
748 mm
97 %
Amount Put Residue
on Generator on Generator
Pesticide /ig /jg
Phosphates
Mevinphos 10
Diaz in on 3
Me Parathion 1
.0 0.0
. 0 0.0
.00 0.0
Date
Flow
Time
Min.
17°C Temp
Press.
Humidity
Amount
Generated
Mg
10.0
3.0
1.00
4/14/77
280 a/mm.
8: 40 A.M.
20 °C
742 mm
99 %
Amount
Recovered
M9
9-2
3. 1
0.95
Recovery
92
103
95
74
-------
R- 96B
Sampler No. 4
Start:
Date 4/12/77
Flow 240
Time 9:20
Temp. 24
Press. 749
Humidity 70
Amount Put
on Generator
Pesticide /ig
Phosphates
Mevinphos 10. 0
Diazinon 3.0
Me Parathion 1. 00
Sorbent Chromes orb 102
Filter GF + C
Finish:
Date
2/min. Flow
A.M. Time
Max. Min.
°C 26°C 18°C Temp
mm Press.
% Humidity
Residue Amount
on Generator Generated
M9 M9
0.0 10.0
0.0 3.0
0.0 1.00
4/13/77
240 C/min.
8:20 A.M.
20 °c
748 mm
97 %
Amount
Recovered
M9
9.4
2.8
0.89
%
Recovery
94
94
89
73
-------
Pesticide
Phosphates
Diazinon
97A
npler No. 6
lit:
te 4/13/77
aw 280 8/min.
me 9:40 A.M.
Max.
>mp. -22 °C 27°c
ess. 748 mm
jmidity 97 %
Amount Put Residue
on Generator on Generator
M9 M9
t
••k
10.0 0.0
>
3.0 0.0
Lou 1.00 0.0
Sorbent Polyurethane Foam
Filter QJ
Finish:
Date
Flow
Time
Min.
17°C Temp
Press.
Humidity
Amount
Generated
M9
10.0
3.0
1.00
' + C
4/14/77
280 e/min-
8: 40 A.M.
20 °C
742 mm
99 %
Amount
Recovered
M9
9.2
3. 1
0.95
%
Recovei
92
103
95
74
-------
R-97B
Sampler No. 4
Start:
Date 4/13/77
Sorbent Polyurethane Foam
Flow
Z80
Time 9:40
Temp. 22
Pesticide
Phosphates
Diaz in on
2/min.
Filter
Finish:
Date
V
Flow
GF + C
A.M. Time
Max. Min.
°C 27°C 17°C Temp
4/14/77
280 B/min.
8:40 A.M.
20 °C
3ss. 748
jmidity 97
Amount Put
on Generator
M9
10.0
3.0
an 1.00
mm
%
Residue
on Generator
M9
0.0
0.0
0.0
Press.
Humidity
Amount
Generated
M9
10.0
3.0
1.00
742 mm
99 %
Amount
Recovered
M9
9.8
3.2
0.96
%
Recove
98
107
96
75
-------
Pesticide
Phosphates
Diaz in on
98A
npler No.
rt: ,
te
)W
ne
mp.
!SS.
imidity
6
4/14/77
240 2/min.
9:25 A.M.
Max.
20 °C 27 °C
742 mm
98 %
Amount Put Residue
on Generator on Generator
jug MQ
10.
3.
m 1.
0 0.0
* V
0 0.0
00 0.0
Sorbent
Filter
Finish:
Date
Flow
Time
Min.
18°C Temp
Press.
Humidity
Amount
Generated
M9
10.0
3.0
1.00
Tenax
GF + C
4/15/77
240 2/min.
9:45 A.M.
20 °C
740 mm
100 %
Amount
Recovered
M9
10.8
2.9
0.97
%
Recove
108
96
97
76
-------
R-98B
Sampler No. 4
Start:
Sorbent Tenax
Filter GF + C
Finish:
Date
Flow
Time
Temp.
Press.
Humidity
4/14/77
240 2/min.
9. 25 A.M.
Max.
20 °C 27°c
742 mm
98 %
Amount Put Residue
on Generator on Generator
Pesticide M9 ^9
Phosphates
Mevinphos 10
Diaz in on 3
Me Parathion 1
.0 0.0
.0 0.0
.00 0.0
Date
Flow
Time
Min.
1§C Temp
Press.
Humidity
Amount
Generated
M9
10.0
3.0
1.00
4/15/77
240 £/min'
9:45 A-M-
V
20 c
740 mm
100 %
Amount
Recovered
1^9
10.2
2.7
0.97
%
Recovery
102
91
97
77
-------
APPENDIX VI
CAKBAMATE PESTICIDES - COLLECTION EFFICIENCY DATA
78
-------
R- 102A
Sampler No. 6
Start:
Date
Flow
5/3/77
240
Time 9; 55
Temp. 24
Press. 744
Humidity 92
Sorbent Polyurethane Foam
Filter GF + C
C/min.
Finish:
Date
Flow
A.M. Time
Max. Min.
°C 32°C 20 °C Temp
mm
Press.
Humidity
5/4/77
240 2/min.
9:00 A.M.
24 °C
742 mm
95 %
Amount Put Residue
on Generator on Generator
Pesticide ^g p.g
Carbamates
Carbofuran 20.00 0.6
Carbaryl 40.00 2.5
Et Parathion 40.00 0.0
Amount Amount
Generated Recovered %
jug jug Reco
19.4 3.9 20
37.5 5.8 15
40.0 39.2 98
79
-------
R-102B
Sampler No. 4
Start:
Date 5/3/77
Flow 240
Time 9:55
Temp. 22
Press. 744
Humidity 92
Amount Put
on Generator
Pesticide M9
Carbamates
Carbofuran 20.0
>
Carbaryl 40.0
Et Parathion 40. 0
Sorbent Polyur ethane Foam
2/min.
A.M.
Max.
°c °c
mm
%
Residue
on Generator
P9
1.3
5.4
0.8
Filter
Finish:
Date
Flow
Time
Min.
°C Temp
Press.
Humidity
Amount
Generated
M9
18.7
34.6
39.2
GF + C
5/4/77
240 2/min
9:00 A.M.
24 °C
742 mm
95 %
Amount
Recovered
M9
3.9
5
33.7
Recovery
21
14
86
80
-------
Sorbent Chromosorb 102
Sampler No. 6
Start:
Date 5/10/77
Flow 240 C/min.
Filter GF + C
Time 11:00
Temp. 31
Press.
740
Humidity 65
Finish:
Date
Flow
A.M. Time
Max. Min.
°C 35°C 17 °C Temp
mm
Press.
Humidity
5/11/77
240 2/min.
9:30 A.M.
21 °C
740 mm
93 %
Amount Put Residue
on Generator on Generator
Pesticide jug jug
Carbamates
Carbofuran 20.0 0.0
Garbaryl 40.0 0.0
Et Parathion 40.0 0.0
Amount Amount
Generated Recovered %
jug ng Recovery
20.0 0.9 5
40.0 2.2 6
40.0 31.0 78
81
-------
R- 103B
Sampler No.
Start:
Sorbent Chromosorb 102
Filter GF + C
Finish:
Date
Flow
Time
Temp.
Press.
Humidity
5/10/77
240
11:00
31
740
65
Amount Put
on Generator
Pesticide M9
Carbamates
Carbofuran 20
Carbaryl 40
Et Parathion 40
.0
. 0 "
.0
g/min.
A.M.
Max.
°C 35 °C
mm
%
Residue
on Generator
0.0
0.0
0.0
Date
Flow
Time
Min.
17 °C Temp
Press.
Humidity
Amount
Generated
M9
20.0
40.0
40.0
5/11/77
240 2/min.
9: 30 A.M.
21 °C
740 mm
93 %
Amount
Recovered
M9
1.8
7.2
36.8
Recovery
9
18
92
82 .
-------
R- 104A
Sampler No
Start:
Date
Flow
Time
Temp.
Press.
Humidity
. 6
5/11/77
229 2/min-
10:00 A.M.
Max.
21 °C 32 °C
742 mm
91 %
Amount Put Residue
on Generator on Generator
Pesticide /ug M9
Carbamates
Carbofuran
Carbaryl
Et Parathion
20.0 0.4
40.0 2.4
40.0 0.8
Sorbent
Filter
Finish:
Date
Flow
Time
Min.
15°C Temp
Press.
Humidity
Amount
Generated
M9
19.6
37. 6
39.2
Tenax
GF + C
5/12/7
--
8:20
20
747
81
Amount
Recovered
M9
1. 6
1.2
30
e/min.
A.M.
°C
Recovery
8
3
77
83
-------
R-104B
Sampler No.
Start: ,
Date
Flow
Time
Temp.
Press.
Humidity
4
2/11/77
229 £/min.
10:00 A.M.
Max.
21 °C 32°C
742 mm
91 %
Amount Put Residue
on Generator on Generator
Pesticide jug /ug
Carbamates
Carbofuran 20.0 0.3
Carbaryl 40.0 0.4
Et Par.athion 40. 0 0.9
Sorbent
Filter
Finish:
Date
Flow
Time
Min.
15°C Temp
Press.
Humidity
Amount
Generated
19.7
39. 6
39. 1
Tenax
GF + C
5/12/77
£/min.
8:20 A.M.
20 °C
747 mm
81 %
Amount
Recovered %
Hg Recovery
2.4 12
2.7 7
33.4 85
84
-------
APPENDIX VII
SUBSTITUTE PESTICIDES - COLLECTION EFFICIENCY DATA
85
-------
R- 105A
Sampler No. 6
Start:
Date 5/16/77
Flow 280
Sorbent Polyur ethane Foam
Filter GF + C
2/min.
Finish:
Date
Flow
5/17/77
280 fi/min.
Pesticide
Time 10:00
Temp. 22
Press. 743
Humidity100
Amount Put
on Generator
M9
A.M.
Max.
°C 24°C
mm
%
Residue
on Generator
M9
Time
Min.
21°C Temp
Press.
Humidity
Amount
Generated
9:00 A.M.
22 °C
743 mm
97 %
Amount
Recovered
M9
Recovery
New Pesticides
CIPC
100
Trifluralin 0.60*
Atrazine
Lasso
40.0
2.00
0.0
0.0
19.5
0.20
100
0. 60
20.5
1.80
86
0. 13
18.0
•• M
86
22
88
• M
86
-------
R- 105B
Sorbent Chromosorb 102
Sampler No
Start:
Date
Flow
Time
Temp.
Press.
Humidity
4
5/16/77
280 C/min.
10:00 A.M.
Max.
•>•> °r -» A°r
22 ^ 24 °
743 mm
100 %
Amount Put Residue
on Generator on Generator
Pesticide jug ng
New Pesticides
CIPC 100
Trifluralin 0.
Atrazine 40.
Lasso 2.
0.0
60 0.0
0 24.0
00 0.24
Filter
Finish:
Date
Flow
Time
Min.
21°C Temp
Press.
Humidity
Amount
Generated
100
0. 60
16.0
1.76
GF + C
5/17/77
280 2/min.
9:00 A.M.
22 °C
743 mm
97 %
Amount
Recovered
M9
92. 6
0. 53
13.0
1.76
Recovery
93
88
81
100
87
-------
R- 106A
Sampler No. 6
Start: >
Date 5/17/77
Flow 255 8/min.
Sorbent Tenax
Filter GF + C
Finish:
Date
Flow
Time 9:35
Temp. 24
A.M. Time
Max. Min.
"C 24 °C 21°C Temp
5/18/77
255 fi/min.
8:35 A.M.
"C
Press. 743 mm
Humidity 96 %
Amount Put Residue
on Generator on Generator
Pesticide M9 **9
New Pesticides
CIPC 100 t 1.7
Trifluralin 0.60 0.0
Atrazine 40.0 • 18.6
Lasso 2.00 0.35
*
Press. f« rnm
Humidity 97 %
Amount Amount
Generated Recovered
jug m
98.3 92.0
0.60 0.55
21.4 17.1
1.65 1.8
%
Recove
94
92
80
109
88
-------
R- 10 6B
Sampler No
Start:
Date
Flow
Time
Temp.
Press.
Humidity
. 4
5/17/77
255 C/min.
9: 35 A.M.
Max.
24 °C °C
743 mm
96 %
Amount Put Residue
on Generator on Generator
Pesticide jug jug
New Pesticides
CIPC 100
Trifluralin 0.
Atrazine 40.
Lasso 2.
0.0
60 0.0
0 21.0
00 0.20
Sorbent
Filter
Finish:
Date
Flow
Time
Min.
°C Temp
Press.
Humidity
Amount
Generated
M9
100
V
0. 60
19.0
1. 80
Tenax
GF + C
5/18/77
255 2/min.
8:35 A.M.
"C
743 mm
97 %
Amount
Recovered %
pig Recovery
87 87
0.56 93
17. 6 93
1.88 104
89
-------
R-107A
Sorbent Polyurethane Foam
Pesticide
Sampler No. 6
Start: ,
Date 5/18/77
Flow 280 C/min.
Time 9: 10 A.M.
Max.
Temp. 2.4 °C 26°C
Press. 743 mm
Humidity 97 %
Amount Put Residue
on Generator on Generator
M9 M9
Filter C
Finish:
Date
Flow
Time
Min.
19°C Temp
Press.
Humidity
Amount
Generated
M9
JF + C
5/19/77
280 K/min.
8: 10 A.M.
21 °C
742 mm
99 %
Amount
Recovered
"A
Reco
New Pesticides
CIPC
100 0.0
Trifluralin 0.60 0.0
Atrazine
Lasso
40.0 16.3
2.00 0.08
100
0.60
23.7
1.92
92.3
0.05
24.7
2.08
92
8
104
108
90
-------
R- 107B
Sorbent Chromosorb 102
Pesticide
Sampler No. 4
Start:
Date 5/18/77
Flow 255 2/min.
Time 9: 10 A.M.
Max.
Temp. 24 °C 26 "C
Press. 743 mm
Humidity 97 %
Amount Put Residue
on Generator on Generator
M9 M9
Filter
Finish:
Date
Flow
Time
Min.
19°C Temp
Press.
Humidity
Amount
Generated
M9
GF + C
5/19/77
255 2/min.
8: 10 A.M.
21 °C
742 mm
99 %
Amount
Recovered %
p.g Reco
New Pesticides
CIPC
100 0.0
Trifluralin 0.60 0.0
Atrazine
Lasso
40.0 19.3
2.00 0.08
100
0. 60
r' 20.7
1.92
89.0 89
0.51 85
22.2 107
1.90 99
91
-------
APPENDIX VIII
FIELD STUDY DATA - COMPUTER PRINT-OUTS
92
-------
REPORT: 23-51 CHANNEL: 24 6' 1 -5X0VI7/1.95%QF1 200
SAMPLE: R108TENAX INJECTED AT 14:32:32 ON MAY 26* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-017 MINUTES
RT
AREA
PPT
NAME
1.10
1.34
l.~58
US 7
2-34
2." 61
2.84
3-16
3-49
3.83
4.20
5.28
5.60
6.11
7.30
7. "9 4
10.19
10.81
13.31
20.13
24850 TT
4796 TV
15288 VV
106901 W
19583 VV
13666 W
45014 W
11452 W
2162 W
9634 VV
7843 VT
15651 TV
43161 W
37736 W
24091 W
4824 W
6030 W
5542 W
13141 BV
1457 VB
.522
• 101
• 321
1.297
• 278
.287
• 945
.241
• 031
.202
• 165
• 329
1.011
-792
• 316
.101
.127
• 116
• 249
.021
&BHC A
&LIN
&ALD
&DDE
fiPP DDT
4MIREK
93
-------
REPORT: 24.41 CHANNEL: 24 6* 1.5ZOV17/1.95ZQF1 200
SAMPLE: R108CHROM010 INJECTED AT 15:00:56 ON MAY 26* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25*017 MINUTES
BL > 10 MV
RT
AREA
PPT
NAME
1.09
1.33
1.42
1.57
l."75
1.86
2.33
2-59
2. 8 3
3-14
3-86
4.23
5-26
5.57
6.08
7-26
10.14
10.76
13.26
20.03
25779 TT
7168 TV
4861 W
17383 W
14887 W
104003 VV
18106 W
16112 W
49673 W
8926 VV
10281 W
7940 W
16738 VV
51148 VV*
41187 W
26443 VV
6368 W
5744 VV
13880 W
1579 VB
• 541
• 151
.'102
.365
.313
1.262
.257
.338
1 .043
.187
.216
.167
.353
1 .074
.865
• 347
= 134
• 121
.263
.023
&BHC A
&LIN
&DDE
fiPP DDT
&1IREX
94
-------
REPORT* 2.51 CHANNEL: 24 6f 1 • 5%0VI 7/1.95ZQF1 200
SAMPLE: R109POLY U INJECTED AT 10:54:32 ON JUN I* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25*008 MINUTES
RT
AREA
PPT
NAME
1.05
1.61
1-77
1-90
2.38
2.63
2.88
3.21
3.54
3.95
4-20
5.36
5-69
5-92
6.27
7.42
8.07
9.25
10.36
10.98
11.65
13*54
20.57
8265
58900
7844
67260
160990
8037
19959
11609
4350
6932
7909
17398
27966
13016
50635
41287
7522
5440
6934
5230
6697
14706
1129
VV
VV
W
VV
VV
W
W
W
VV
W
VV
W
VV
W
VV
VV
VV
VV
VV
VV
VV
VV
VB
.174
1.237
• 165
• 740
2.082
.163
.419
• 244
.057
.146
.166
• 365
• 587
.273
1.063
.502
.158
• 114
.146
• 110
• 141
.257
.015
&BHC A
&LIW
&ALD
&DDE
&PP DDT
&MIREX
95
-------
REPORT: 3*61 CHANNEL: 24 6* 1 • 520V17/1.95XQF1 200
SAMPLE: R109CHROM102 INJECTED AT 12:45:20 ON JUN I, 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25*017 MINUTES
BL > 10 MV
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.05
1.61
1.79
1.90
2. '39
2." 64
2. '89
3. '22
3. "55
3.95
4. '33
5.* 38
5. '70
5. '9 3
6.26
7-43
8.05
9.27
10.37
10. '99
11. '66
13.56
20.55
31153 BV
68504 W
17753 W
112161 W
186366 W
13771 W
21700 W
10845 W
2588 W
7169 VV
7171 W
16051 W
29089 W*
12822 W
46157 W
46763 W
6612 VV
5251 VV
7265 W
5303 W
6897 VV
16197 VV
2368 VB
.654
1 .439
.373
1 .234
2.411
.289
.456
.228
• 034
.151
.151
• 337
.611
• 269
.'969
.563
• 139
.'110
-153
^111
.145
.283
.031
&BHC A
&LIN
6ALD
&DDE
gPP DDT
£4 1 REX
96
-------
REPORT: 4-21 CHANNEL: 24 6f 1 -5X0 VI 7/1.95SQF1 200
SAMPLE: R110POLV U INJECTED AT 13:55:47 ON JUN 1« 1977
ESTD METHODS PEST
ACTUAL RUN TIME: 25-000 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.04
1.58
1.75
1-88
2.36
2.62
2. '8 6
3.18
3.51
3.92
4.17
5.32
5.65
5.87
6." 17
7. '3 6
8.01
9.18
10.28
10.90
11.56
13.42
20.34
5662
37127
8712
80493
35172
10435
29562
11700
4438
8232
9469
19712
32661
14072
43512
43070
8821
6822
7390
5954
7676
16355
2035
BV
W
W
VV
W
W
W
VV
W
VV
W
VV
W
W
W
VV
W
VV
W
W
VV
W
VB
.119
.'780
• 183
.886
• 455
• 219
.621
.246
.058
.173
• 199
.414
.636
• 296
.914
• 523
.185
• 143
.155
.125
.161
• 286
• 027
&BHC A
4LIN
&ALD
&DDE
&PP DDT
&MIREX
97
-------
REPORT: S«31 CHANNELS 24 6' 1.5%OV17/1 -95%QF1 200
SAMPLE: R110TENAX INJECTED AT. 15: 16: 12 ON JUN 1> 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25.003 MINUTES
EL > 10 MV
ENDED NOT ON BL
RT
AREA
PPT
NAME
• 04
• 09
.58
."77
.'88
2.35
2.61
2.85
3.16
3.51
3*90
4.28
5.31
5.63
5. '8 5
6.' 17
7.34
7.95
9.15
10.25
10.86
11.51
13.39
20.19
12765 BV
19753 VV
34723 VV
13107 VV
114188 VV
41021 VV
16211 W
31628 W
6073 VV
1640 VV
8674 W
8388 W
17771 W
30374 W
14184 W
44593 VV
48446 VV
7150 W
6062 VV
7432 W
6136 W
7527 VV
17237 W
2677 VB
.263
.415
• 729
• 275
1-256
.531
• 340
.664
.128
.021
.182
.176
• 373
• 638
.298
.936
• 589
-150
.127
• 156
.129
.158
• 301
.035
&BHC A
&LIN
&ALD
&DDE
«PP DDT
&M I REX
98
-------
REPORT: 9.21 CHANNEL: 24 6f 1 .5%OV17/1 -95%QF1 200
SAMPLE: R111TENAX INJECTED AT 15:47:40 ON JUN 1* 1977
ESTD METHOD! PEST
ACTUAL RUN TIME: 25.017 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.10
1.42
1.57
1.86
2.34
2. '61
2*84
3.14
3.48
3. '89
4.25
5.28
5.61
6.13
7-32
7.94
9.13
10*21
10.83
1 1 .47
13.38
18. '92
45270 BV
5160 VV
58296 W
163677 VV
83766 W
16701 W
43140 VV
5287 W
1216 W
10940 VV
7798 VV
17906 W
52673 W
43506 W
40234 VV
5690 VV
5151 W
7777 VV
7221 VV
7751 VV
18161 VV
7841 VB
.951
•'108
1 .224
1.856 £BHC A
1.083 &LIN
.351
.906
-111
.'016 &ALD
• 230
• 164
• 376
1.106
.914
•489 &DDE
.119
.'108
• 163
."152
.163
."318 &PP DDT
• 165
99
-------
REPORT: 10.21 CHANNEL: 24 6' 1*5%OV17/L95XQF1 200
SAMPLE: RH1CHROMI02 INJECTED AT 16:17:21 ON JUN 1* 1977
ESTD METHOD: PEST
ACTUAL RON TIME: 25.008 MINUTES
BL > 10 MV
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.11
1.34
1.42
1.58
1.87
2.35
2.61
2.85
3.15
3.49
3.89
4*27
5.08
5-29
5.61
6.13
7.32
9.14
10.21
10.84
11.47
13.38
18.93
48546 BV
6383 W
5999 W
64516 VV
189619 W
91574 VV
20733 VV
47217 W
7432 VV
1679 W
11440 W
9320 W
7535 VV
12788 W
60017 VV
48270 VV
53655 VV
5828 VV
8957 VV
8260 VV
8946 VV
21858 VV
3338 VB
1.019
• 1 34
.126
1.355
2.086 &BHC A
1.184 &LIN
.435
."992
• 157
.022 &ALD
• 240
• 196
• 158
• 269
1*260
1.014
.* 652 &DDE
• 122
.188
.173
• 188
• 382 SPP DDT
• 175
100
-------
REPORT: 13.31 CHANNEL: 24
SAMPLE: R112POLYU INJECTED AT
ESTD METHOD: PEST
ACTUAL RUN TIME: 25.017 MINUTES
6f L5XOV17/1 »95%QF1 200
9:16:35 ON JUN 2* 1977
RT
AREA
PPT
NAME
1.10
1.54
1.89
2. '3 6
2. '63
2. "8 7
3.19
3. '50
3."66
3.91
4. '2 6
5- '30
5-63
6.14
7.33
8.00
9.12
10.21
10.86
11.50
13. '34
20.30
7702
67957
157804
57801
30149
100692
75197
8603
6291
24437
20932
40663
125271
86541
25818
9153
6366
7863
12948
5573
17193
2107
W
VV
VV
VV
W
W
W
VV
VV
VV
VV
W
VV
W
W
VV
VV
W
W
W
VV
VB
-162
1.427
1.841
• 791
•'633
2.115
1.579
• 119
• 132
• 514
• 440
.854
2.631
1.817
.328
.192
.134
.165
.272
.117
.317
.029
&BHC A
&LIN
&ALD
&DDE
&PP DDT
&MIREX
101
-------
REPORT: 16.11 CHANNEL: 24 6' 1 -5ZOV17/1.955SQF1 200
SAMPLE: R113TENAX INJECTED AT 15:43:59 ON JUN 2.» 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-008 MINUTES
BL > 10 MV
RT
AREA
PPT
NAME
1.09
1.20
1.51
1*86
2-33
2.59
2.83
3.15
3.47
3.86
4.25
5.02
5-25
5.57
6.07
7-27
10.04
10.78
11.38
13.25
20.02
34195 BV
66696 VV
86816 VV
323863 W
59834 VV
37647 VV
110639 VV
140904 W
62894 W
24290 VV
16711 VV
15724 VV
18776 W „
119742 VV ;
79454 VV
26184 VV
7010 VV
13611 W
5475 VV
15243 VV
1821 VB
.718
1.401
1.823
3.910
.343
-791
2-323
2.959
.890
.510
.351
.330
.394
2.515
1.669
• 346
-147
.286
.115
.289
.026
&BHC A
&LIN
&ALD
&DDE
&PP DDT
2MIREX
102
-------
REPORT: 17.21 CHAMMEL: 24 6' l'- 5%0 VI7/1.95%QF1 200
SAMPLE: R113TEMAX+S IMJECTED AT 16:21:47 OM JU.M 2.* 1977
ESTD METHOD: PEST
ACTUAL RtW TIME: 25.008 MIMUTES
BL > 10 MV
RT
AREA
PPT
NAME
1.09
1-33
1.51
1.86
2-32
2.59
2-83
3-15
3.40
3.87
4. 14
5.03
5.26
5.58
6.10
7.23
9.07
10.11
10.79
11.40
13-32
20-15
49722
5597
103711
451761
175942
43059
112682
110837
129808
22432
33236
12588
20517
119661
87786
172307
4975
8746
13724
5315
129010
135309
BV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
w
VB
1 .044
• US
2.178
5.453
2.473
.904
2-366
2.328
1.836
• 471
• 698
.264
• 431
2.513
1.344
2.279
.104
.184
.283
.112
2.442
1.929
&BHC A
&LIM
&ALD
&DDE
&PP DDT
&MIREX
103
-------
REPORT: 3«11 CHANNEL: 24 6' 1 -5%OV17/1 .95%QF1 200
SAMPLE: R114CHROM102 INJECTED AT 15:19:03 ON JUN 3* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-008 MINUTES
RT
AREA
PPT
NAME
1.10
1*56
1-86
2.33
2-59
2.83
3-14
3-46
3-86
4.23
5.01
5.25
5.57
6-06
7-26
7-87
9.06
10.08
10.75
11.38
13.24
20.04
46018
40354
250247
75257
37053
149703
47599
11109
21815
14151
14727
15071
116924
69925
29697
6140
6436
8192
11812
7584
13835
2279
VV
VV
VV
W
W
W
VV
VV
VV
VV
VV
W
VV
VV
VV
VV
VV
W
VV
VV
BV
VB
• 966
• 847
3*021
1.060
• 778
3.144
1.000
.157
• 458
.29?
.309
.316
2.455
1.468
.393
,* . 1 29
• 135
.172
• 248
.159
.262
.032
&BHC A
&LIN
&ALD
&DDE
&PP DDT
£4 1 REX
104
-------
REPORT: 2.11 CHAM.MEL: 24 ~" ' 6' 1 •5%0VI 7/1.95%QF1 200
SAMPLE: R114POYLU " INJECTED AT 14:42:44 OH JUtf 3* 1977
ESTD METHOD: PEST
ACTUAL RUM TIME: 25.008 MIMUTES
RT
AREA
PPT
NAME
1.09
1.56
1.86
2.33
2.59
2.83
3.14
3.45
3.62
3.86
4-23
5.02
5.25
5-56
6.05
7.26
7.88
9.04
10.08
10-74
11.37
13.22
18.71
20.04
8524
43346
182701
87299
47192
197058
58127
18255
8857
32975
29765
21601
23925
140297
85284
39073
9326
8355
10629
14368
8919
20577
5087
4343
VV
VV
VV
W
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
W
VV
VV
VV
VB
• 179
.910
2-205
1.230
.991
4-138
1.221
.253
. 186
-692
.625
.454
.502
2-946
1-791
• 517
• 196
.175
.223
• 302
• 137
.390
-107
• 062
&BHC
&LIN
&ALD
&DDE
&PP }
&MIR:
DDT
105
-------
REPORT: 2-31 CHANNEL: 24 6* 1 • 5ZOV17/1.95XQF1 20(
SAMPLE: R115TENCHAR INJECTED AT 14:37:22 ON JUN 8* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-017 MINUTES
RT AREA PPT NAME
1.86 2336 VV .028 &3HC A
2-33 1552 W .022 &LIN
3-48 1723 VV .024 &ALD
21.64 9809 BB .206
106
-------
REPORT: 3-11 CHAMNEL: 24 6' 1 • 5%0 VI 7/1.95SQF1 200
SAMPLE: RH5TENPLN INJECTED AT 15:29:24 ON JUN 8* 1977
ESTD METHOD: PEST
ACTUAL RUM TIME: 25-017 MINUTES
BL > 10 MV
ELIDED NOT ON BL
RT
AREA
PPT
NAME
1
1
1
2
2
2
3
3
3
4
5
5
5
6
7
7
9
10
10
1 1
13
18
.09
.49
.85
.32
-58
.82
.13
• 45
.85
.21
.01
• 23
• 54
.05
.25
.88
.02
.03
.70
• 34
.17
.66
42001
55274
259556
145174
26342
53427
8 6788
22513
14797
12023
9712
16358
75292
59504
19213
7863
7296
7521
10724
8502
13702
8732
BV
VV
VV
VV
VV
VV
VV
w
VV
VV
w
VV
VV
VV
VV
VV
VV
VV
VV
VV
BV
VB
•
1.
3.
2.
•
1.
1.
•
•
•
•
•
1.
1.
v
•
•
V
•
•
•
•
882
161
133 &BHC A
045 &LIN
553
122
823
318 &ALD
311
252
204
344
581
256
254 &DDE
165
153
158
225
179
259 &PP DDT
183
107
-------
REPORT: 4.11 CHANNEL: 24 6f 1.5%0 VI 7/1.95%QF1 200
SAMPLE: Rl 16POLY-U IMJECTED AT 15:53:15 ON JUN 8* 1977
»
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-017 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1
1
1
1
1
2
2
2
3
3
3
4
4
4
5
»
•
»
*
»
•
•
*
*
•
*
*
•
•
•
6.
7
7
9
•
•
*
10.
1
1
1
3
•
*
08
18
39
52
84
30
50
80
11
44
84
33
75
97
53
03
25
59
88
69
32
26
5857
10290
13615
15531
219257
59664
67361
46933
144962
139561
13195
26501
5762
31126
131936
86650
4717
14393
6596
10784
8207
17906
VV
W
VV
VV
VV
VV
VV
VV
VV
W
VV
VV
VV
VV
VV
VV
VV
VV
W
W
VV
W
.
*
*
*
2.
•
1.
•
3-
1.
•
*
> .
»
2-
1.
•
»
»
•
•
*
123
216
236
327
647
840
425
986
044
974
2?7
557
121
654
772
820
062
313
139
226
172
339
&BHC
&LIN
&ALD
&DDE
&PP :
DDT
108
-------
REPORT: 5-11 CHAMtfEL: 24 6' 1 - 5%0VI7/1.95%QF1 200
•' '• /
SAMPLE: Rl 1 6CHRO>1010 INJECTED AT 16:26:53 OM JUM 8.r 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-003 MIMUTES
EMDED WOT OM BL
RT
AREA
PPT
NAME
1
1
1
1
1
2
2
2
3
3
3
4
4
5
5
6
7
7
9
10
11
13
.11
.21
-42
.56
.38
.34
.55
• 84
• 15
• 47
.87
• 36
.79
.00
-57
.06
.28
• 62
-93
• 73
• 36
.29
5444
9393
12775
14252
212173
61872
68448
62165
139804
135109
15940
26959
5114
32096
1 28 2 1 6
82641
6436
14561
6923
11939
8170
16438
VV
VV
VV
W
W
VV
VV
VV
VV
VV
W
VV
VV
VV
VV
VT
TV
VV
VV
VV
VV
VV
„
i
.
.
2.
.
1.
1.
2-
1.
9
.
.
.
2.
1.
.
»
.
.
*
.
114
197
263
299
561
871
437
305
936
911
335
566
107
674
693
735
086
306
145
251
172
311
&3H.C
&LI-XF
&ALD
&DDE
A^5^5 '
DDT
109
-------
REPORTS 3*51 CHANNEL: 24 6* 1 »5ZO VI 7/1 .95XQF1 200
SAMPLE: R117CHR102 INJECTED AT 14: 1 7:46 ON JUN 9* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25*008 MINUTES
RT
1.09
1.56
1.85
2.31
2.57
2.93
3.12
3-45
4.97
5.53
6.03
7.22
9.08
9.90
10.63
11.30
13.54
18.60
AREA
PPT
NAME
7662 VV
60987 VV
187840 VV
49719 W
6389 W
34557 VV
13927 W
2312 W
16770 VV
49074 W
42494 W
21018 W
5844 VV
5532 VV
5510 W ,
9038 W ;
13089 W
9054 VB
.161
1.281
3.490
1 .080
.134
.726
.292
.051
.352
1.031
.892
• 425
.123
.116
.116
.190
.374
.190
ABHG A
&LIN
&ALD
&DDE
«PP DDT
110
-------
REPORT: 2-11 CHANNEL: 24 6* 1.5SOV17/1.95%QF1 200
SAMPLE: R117POLY-U INJECTED AT 13:46:42 OM JUN 9* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25.017 MINUTES
RT
AREA
PPT
NAME
1.56
1.85
2*31
2.57
2.93
3*12
3. '44
3.84
4.24
4. "9 7
5.53
6-03
7.22
8.42
9.07
9.92
10.65
1 1 .29
13*31
58637 TV
102351 W
46138 W
8701 W
55410 VV
21278 VV
13849 VV
6442 VV
12318 W
27527 W
76413 VV
62170 W
32429 W
5811 W
9332 W
7444 W
8383 W
12165 VV
13435 W
1.231
1.911 &BHC A
1.002 &LIN
^183
1.164
.447
.'303 &ALD
• 135
.'259
.578
1*605
1*306
.656 &DDE
*122
.196
• 156
."176
.255
•384 APP DD
111
-------
REPORT: 2 CHANNEL: 18 6f 1-5*0VI7/1»95%QFl 200
n
SAMPLE: R113TEMAX IMJECTED AT 14:48:16 ON JUN 13* 1977
ESTD METHOD: PESTX
ACTUAL RUN TIME* 25-017 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.03
1.09
1.56
1.86
2. '3 2
2-58
2.82
3.14
3.46
4.26
5. '00
5.56
6.07
7.26
10.' 67
11.36
13-67
18.68
12717 TV
9021 VT
50159 W
172460 W
55632 W
6355 W
12279 W
12509 VV
1666 W
4815 W
14317 VV
48326 VV
42125 VV
17041 VT
6936 VV
12766 VV
16724 VV
13773 VB
.267
.189
1 .053
2.074
.783
• 133
.258
.263
.024
.101
.301
1.015
.885
> .223
.146
.263
.'303
.289
&BHC A
&LIN
&ALD
&DDE
fiPP DDT
112
-------
REPORT: 3 ., CHANNELS 18 6' 1 • 5%0VI7/1 «95%QF1 200
SAMPLE: R118POLY-U INJECTED AT 15:34:25 ON JUN 13* 1977
ESTD METHOD: PESTX
ACTUAL RUN TIME: 25.017 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.56
1-85
2.32
2-57
2.81
3.13
3.45
3.85
4.12
5.22
5.55
5.79
6.07
7.25
7-89
8.49
9.05
10.08
10.69
11.36
13.24
15.00
17.93
18.70
41529
112301
95911
11440
27054
24930
10284
9659
14213
29611
40933
19590
66147
54208
16299
8423
15636
18184
14903
22204
34654
9501
5333
13696
VV
VV
VV
VV
VV
W
VV
VV
VV
W
VV
W
VV
W
W
W
VV
W
VV
VV
VV
VV
VV
VV
.872
1.351 &BHC A
1.351 &LIN
.240
.563
.524
.'146 &ALD
.203
.298
.622
.860
.411
1.389
. 708 &DDE
.342
.177
.328
.382
.313
.466
. 628 &PP DDT
.200
.112
.288
113
-------
REPORT: 21 CHANNELS 18 6' 1-5*0 VI 7/1.9 5ZQF1 200
• •*
SAMPLE: R119TENAX INJECTED AT 8:45:53 ON JUN 20* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25.017 MINUTES
BL > 10 MV
RT
1.10
1.33
1.54
1.85
2.32
2.58
2.82
3.11
3.63
3.84
4.19
4.99
5.21
5-53
6.04
7-22
7.86
10.04
10.69
13.15
19.87
AREA
50906 BV
9107 W
16076 VV
147203 VV
59354 W
53483 VV
187189 VV
20519 VV
8631 VV
31398 VV
16398 VV
11384 W
23927 VV
126835 VV
92322 VV
24372 W
5977 VV
6316 VV
13394 VV
14305 BV
2433 VB
PPT
1.069
i!91
.338
1.750
.828
1.123
3-931
.431
.131
.659
.344
.239
.502
? 2.664
1.939
.314
,126
.133
.281
.264
.034
NAME
&BHC A
&LIN
&DDE
fiPP DDT
&MIREX
114
-------
REPORT: 22 CHAN.'JEL: 18 6' 1.5%OV17/1-95XQF1 200
M.L. ."
SAMPLE: RI19CHR102 INJECTED AT 9:16:54 ON JUN 20* 1977
ESTD METHOD: PEST
*
ACTUAL RUM TIME: 25.017 MINUTES
BL > 10 MV
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.09
1.32
1.55
1.85
2-32
2.53
2.82
3.12
3-43
3.62
3.84
4.20
5.*00
5.22
5-53
6.05
7-23
7.84
8.97
10.04
10.70
11.31
13.16
19.91
41103 BV
24579 VV
18592 VV
158462 VV
63807 VV
61831 VV
197022 VV
49780 VV
3057 VV
7186 VV
29994 VV
19315 W
13407 VV
28903 VV
139416 W
108117 VV
31876 VV
6396 VV
6391 VV
10791 W
16451 VV
7055 VV
24631 VV
1753 VV
• 863
• 516
• 390
1.884
.890
1.298
4.137
1.045
• 043
-151
.'630
.406
.232
.607
2.928
2.270
• 410
.134
-145
.227
• 345
.148
.454
.024
&BHC A
&LIN
&ALD
&DDE
&PP DDT
&MIREX
115
-------
REPORT: 23 CHANNEL* 18
SAMPLE: R120CHR102 ' INJECTED AT
ESTD METHOD: PEST
ACTUAL RUN TIME: 25.017 MINUTES
BL > 10 MV
ENDED NOT ON BL
6f 1. 5%OV1 7/1 .95ZQF1 200
9:57:52 ON JUN 20* 1977
RT AREA
PPT
NAME
1.10
1.51
1.86
2.32
2.59
2.82
3.13
3*45
3-85
4.21
4-99
5.21
5.54
6.04
7-23
9.97
10.68
11.28
13.17
18.56
54209
28335
161695
47593
26790
95316
49462
8402
17953
11848
13867
15261
92824
69175
23641
7113
12311
7223
15054
9735
TV
W
VV
VV
VV
W
VV
VV
VV
VT
TV
w A
VV "
VV
VT
VV
VV
VV
TV
VB
1.138
.595
1.922
.'664
• 563
2*002
1 -"039
.118
.377
.249
.291
• 320
1.949
1.453
.304
.149
.259
.152
.278
.204
&BHC A
&LIN
&ALD
&DDE
£PP DDT
116
-------
REPORT: 24 CHANNELS 18 6f 1 • 5%0VI7/1-95%QF1 200
SAMPLE: R120POLY-U INJECTED AT 10:30:32 ON JUM 20* 1977
ESTD METHOD: PEST
ACTUAL RUM TIME: 25-017 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1-08
1-49
1.83
2.29
2.55
2.79
3.09
3.42
3-57
3.81
4.16
5.16
5-49
6.03
7.17
7.79
8.92
9. "9 4
10.60
11.21
13.06
18-47
7853 BV
32909 VV
116536 VV
54827 VV
31396 VV
107579 VV
64303 VV
9971 VV
8775 W
25632 W
2>408 VV
44653 VV
117852 VV
114229 VV
34460 VV
8722 VV
8149 W
11506 VV
15779 VV
9741 VV
20077 BV
13918 VB
.165
.691
1.385 &BHC A
.765 &LIN
.659
2.259
1.350
. 1 40 &ALD
.184
."538
.555
.938
2.475
2.399
.444 &DDE
.183
.171
.242
• 331
• 205
.370 fiPP DDT
.'292
117
-------
REPORT: 26 CHANNEL: 18 6' -1 • 5%OV17/1.95SQF1 200
SAMPLE: R121POLY-U INJECTED AT 11:32:47 ON JUN 20* 1977
r
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-008 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1*55
1.84
2. "30
2.55
2.78
3-09
3.41
3.80
4.20
4.94
5.14
5.48
5.95
7.14
8.36
8.94
9.91
10. '54
11-17
13*04
18.38
33862 W
63308 VV
60157 VV
15052 VV
45560 VV
25742 W
20802 W
12512 W
15581 VV
17504 VV
8356 VV
62550 VV
50668 W
52891 VV ,
6210 VV '
9659 VV
10297 VV
9503 VV
11576 VV
21658 VV
8886 W
-711
.753 &BHC A
.839 &LIN
.316
.957
.541
.292 &ALD
.263
.327
• 368
.175
1.314
1.064
. 63 1 &DDE
.130
.203.
.216
.200
• 243
.'399 &PP DDT
.187
118
-------
REPORT: 25 CHANNEL: 18 6' 1 • 5XOV17/1.95ZQF1 200
SAMPLE: R121TENAX INJECTED AT 11:02:05 ON JUN 20* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-017 MINUTES
BL > 10 MV
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.09
1.42
1-55
1.84
2.31
2.56
2.80
3.10
3.43
3.82
4.18
4-98
5-17
5-50
6.03
7.18
8-41
8.97
9.99
10.60
11.23
13.12
14.84
18.47
27409
6015
34508
139603
105696
17371
45542
11225
1195
10519
8905
8421
11229
56624
54924
44966
5679
7693
10970
10857
11957
24423
5024
14132
BV
VV
VV
VV
VV
VV
VV
VV
VV
W
VV
VV
VV
W
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
• 576
-126
• 725
1.659 £BHC A
1.474 &LIN
• 365
• 956
.236
.017 &ALD
.221
-187
• 177
.236
U139
1.153
-579 &DDE
• 119
.162
.230
.228
.251
•450 &PP DDT
• 105
• 297
119
-------
REPORT: 27 CHANNEL: 18 6' 1 -5X0 VI7/1.95ZQF1 200
SAMPLES R122TENAX INJECTED AT 12:55:01 ON JUN 20* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25*017 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.02
1.40
1-55
1.84
2.30
2-55
2-79
3-10
3.41
3.81
4.26
5-17
5.50
5.74
6.03
7.17
7.78
8.40
8-95
9.97
10.53
1 1 .22
13.09
13.54
14.84
17-78
18.47
18897 BV
4786 W
20152 W
71887 W
64122 VV
8508 W
22171 VV
14462 W
6169 W
5651 W
5776 W
16667 W
23689 VV *
10904 W
40651 VV
46657 W
11044 W
7778 W
13025 W
12808 W
9805 VV
16322 W
12243 W
15365 W
6667 VV
^ 5307 VV
14351 W
• 397
• 101
.423
-855 &BHC A
•894 &LIN
• 1 79
• 466
-304
•087 &ALD
.119
.121
•"350
• 497
• 229
• 854
.601 &DDE
• 232
.163
• 274
• 269
.206
.343
• 257
."283 &PP DDT
.140
• 111
.301
120
-------
REPORT: V 28 • CHANNEL: 18 6f I . 5%0 VI 7/1 .95%QF1 200
SAMPLE: R122CHR102 INJECTED AT 13:26:42 ON JUN 20* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-008 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1-03
1.41
1.55
1.84
2-31
2.55
2-79
3-10
3.42
3*82
4.26
5.01
5.17
5-50
5-73
5.99
7.17
8.40
8-95
9.95
10.52
11.21
13-09
13-52
14.83
18-45
20865 BV
5829 VV
25459 VV
80789 VV
81557 VV
9034 VV
22720 VV
12666 W
3053 VV
5638 VV
5404 VV
9027 VV
8270 VV
25553 VV
11433 VV
39661 W
60907 VV
8543 VV
13775 VV
13695 W
10833 W
17728 VV
12993 VV
16707 VV
7087 VV
19178 VV
.438
-122
.535
• 960 &BHC A
1.137 &LIN
.190
• 477
.266
.043 &ALD
.118
• 113
.190
• 174
.537
• 240
.833
•784 ADDE
• 179
.289
.283
.227
.372
.273
.308 dPP DDT
-149
.403
121
-------
REPORT: 5 CHANNEL: 18 6f 1.5%OV17/U95%QF1 200
SAMPLE: R123CHR102 ' INJECTED AT 14*31:04 ON JUN 22* 1977
ESTD METHOD: PEST
ACTUAL RUM TIME: 25-008 MIMUTES
ENDED NOT OM BL
RT
AREA
PPT
NAME
1.06
1.41
1.54
1.84
2.30
2.79
3.10
4-98
5.49
5.69
5.98
7-16
8- '9 3
9-94
10.52
1 1 .20
13-52
14.84
18.46
14376 BV
5280 VV
27512 VV
62309 VV
39790 VV
10136 VV
7793 VV
5903 W
20267 W
7623 VV
26790 VV
32662 W
7909 W >
8278 W "
7568 W
12519 VV
21157 VV
5117 VV
14447 VB
.302
• 111
• 578
• 811
.612
• 213
• 164
*124
.426
• 160
.563
-483
• 166
• 174
• 159
• 263
.'434
-107
• 303
&BHC A
&LIN
&DDE
&PP DDT
122
-------
REPORT: 4 CHANNEL: 18 6f !'• 5%0 VI 7/1.95%QF1 200
SAMPLE: R123POLY-U INJECTED AT 13:59:46 ON JUN 22.. 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25.008 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1*54
I. "72
1.84
2.30
2. '55
2-78
3.07
3.42
3.81
4.06
5-17
5. "50
5.73
6.07
7.17
7-80
8.40
8.95
10.01
10.56
1 1 .24
13.12
14.86
18.49
22732
5962
33395
40211
5010
14657
6068
5071
5639
7114
15223
24137
11194
43356
38653
8283
5179
10580
10632
8604
14383
25014
5813
17218
VV
W
VV
W
VV
W
VV
VV
W
VV
VV
VV
VV
VV
VV
VV
VV
VV
W
VV
W
W
VV
W
• 477
.125
• 434 &BHC A
.619 &LIN
•'105
.308
.127
.079 &ALD
• 118
.149
• 320
."507
.235
.910
.572 &DDE
.174
.109
.222
.223
-13t
.302
.513
-------
REPORT: 7 CHANNEL: 18 6' l'.5ZOV17/l .9535QF1 200
SAMPLE: R124TENAX / INJECTED AT 15:33:19 ON JUN 22* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25.008 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.08
1.41 .
1.56
1.84
2.31
2-56
2. '80
3.' 10
3.43
3.82
4.18
4. '9 6
5-17
5.50
5-99
7-16
8.95
9.96
10.57
11.21
13.11
18.46
14204 TT
7270 TV
29699 VV
66049 VV
57861 VV
9734 W
23423 W
13566 VV
1619 W
8032 W
6399 VT
8654 TV
6206 VV
48295 VV »
40313 W
40059 W
6112 VV
8243 VV
7671 VV
9901 VV
18978 VV
11099 VT
.298
.153
• 624
• 859 &BHC A
.'890 &LIN
• 204
• 492
• 285
.'025 &ALD
."169
• 134
• 182
• 130
1.014
• 847
• 593 &DDE
• 128
-173
-161
• 208
.389 &PP DDT
• 233
124
-------
REPORT: 6 CHANNEL: 18 6' 1 -5%OV17/1.95%QF1 200
SAMPLE: R124POLY-U INJECTED AT 15:02:09 ON JUN 22* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-025 MINUTES
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.56
1.85
2.31
2.56
2-80
3.11
3*43
3.83
4.20
4-97
5.17
5-51
6.00
7-19
8.40
8.99
9.97
10.61
1 1 .24
13.16
18.52
36521
44891
48834
7315
23293
22176
3305
9512
10091
13712
6641
63553
52036
45098
5139
8395
10434
10080
12554
23051
11246
W
VV
VV
W
W
VV
VV
W
VV
VV
VV
VV
VV
VV
W
VV
W
VV
VV
VV
VV
-767
• 584 &BHC A
.751 &LIN
• 154
• 489
• 466
.052 &ALD
.200
.212
.238
• 139
1.335
1.093
. 667 &DDE
-108
-176
.219
.212
• 264
.472 &PP DDT
• 236
125
-------
REPORT: 3 CHANNEL: 18 6f 1.5XOV17/1.952QF1 200
SAMPLE: R125CHR102 '. INJECTED AT 15:42:08 ON JUN 27* 1977
ESTD METHOD: PEST
ACTUAL RON TIME: 25-008 MINUTES
BL > 10 MV
ENDED NOT ON BL
RT
AREA
PPT
NAME
1.10
1.43
1.57
1.86
2.34
2.60
2.84
3.14
3.45
3.88
4.24
5-05
5.26
5.59
6.09
7-28
9.08
10.16
10-77
11.39
13.30
18.75
28907
12729
30722
111983
64302
20693
81519
11519
1139
15093
9955
9242
12769
78958
58520
53127
6251
12007
10969
11096
27932
12511
BV
W
vv
vv
vv
W
vv
vv
vv
vv
vv
vv
vv
vv
vv
vv
W
W
vv
W
vv
vv
• 607
.267
.645
1.317 &BHC A
.836 &LIN
.435
1.712
.242
.016 &ALD
• 317
.209
v -194
" .268
1.658
1.229
. 671 &DDE
• 131
.252
• 230
.233
.496 &PP DDT
• 263
126
-------
REPORT: 2 CHANNEL: 18 6' 1. 5ZOV17/1-95%QF1 200
SAMPLE: R125TENAX INJECTED AT 15:11:31 OM JUM 27> 1977
ESTD METHOD: PEST
ACTUAL RUM TIME: 25.008 MINUTES
RT
AREA
PPT
>JAME
1.10
1.43
1.57
1.86
2.33
2.58
2-83
3-64
3.86
4.23
5-26
5.56
6.10
7-25
8-54
9.02
10.12
10.72
11-34
13.24
18*68
36577
10955
28577
107667
58939
25830
92170
7081
14176
11972
21858
71506
66779
53742
5373
7127
11940
9877
9730
22464
12109
TT
VV
VV
VV
VV
W
W
VV
VV
W
VV
VV
VV
W
VV
VV
VV
W
VV
BV
V3
• 763
.230
• 600
1.266 &BHC A
.812 &LIN
.543
1.936
.149
.298
.251
• 459
1.502
1.402
. 679
-------
REPORT: 6 CHANNEL: 18
SAMPLE: R126CHR102 INJECTED AT
. ESTD METHOD: PEST
ACTUAL RDM TIME: 25-003 MINUTES
ENDED NOT ON BL
6f 1 • 5*0 VI 7/ 1 .95%QF1 200
8:39:11 ON JIM 23* 1977
RT
AREA
PPT
NAME
1*03
1-41
1-53
1*83
2.30
2-55
2.79
3.08
3.80
4-14
4-93
5*14
5.47
5-96
7-13
8*90
9-94
10.55
11.15
13-03
14.74
18-37
22165 BV
13182 VV
15384 VV
115024 VV
21551 W
13968 VV
53325 VV
13111 VV
12283 VV
7254 VV
9479 W
9612 VV
6533 6 W
50002 W
42290 VV
6505 VV
13228 VV
10777 VV
9922 VV
27796 VV
4913 VV
11041 VV
• 465
• 277
.323
1.375 &BHC A
.301 &LIN
.293
1.120
.275
• 258
• 152
-199
.202
1.333
> 1.050
• 545 &DDE
.137
.273
• 226
.208
.507 &PP DDT
.103
.232
128
-------
REPORT: 7 CHANNEL: 18 6' 1. 5SO VI7/1-95%QF1 200
SAMPLE: R126POLY-U INJECTED AT 9:10:29 ON JUM 28* 1977
ESTD METHOD: PEST
ACTUAL RUN TIME: 25-017 MINUTES
ENDED NOT ON BL
RT AREA PPT NAME
1.54
1.84
2.30
2.56
2.79
3.09
3.38
3.81
4.16
4.95
5.16
5. '48
5.98
7-15
7.76
8.92
9.97
10.58
11.19
13.06
18.41
16603
66485
19848
11642
51649
21685
5322
14739
10978
11139
11178
68606
53779
35922
5456
6205
12306
9978
8636
26945
10486
W
W
VV
W
VV
VV
VV
VV
VV
W
VV
VV
VV
VV
VV
VV
VV
VV
VV
VV
W
.349
.795
• 278
.244
1.085
.455
.074
• 310
.231
.234
.235
1.441
1-129
.463
.115
• 130
.258
.210
.181
.491
.220
&BHC
&LIN
&ALD
&DDE
&PP :
DDT
129
-------
TECHNICAL REPORT DATA
(Please read Instructions on the reverse before completing)
REPORT NO.
EPA-600/1-77-050
3. RECIPIENT'S ACCESSION"NO.
TITLE AND SUBTITLE
Evaluation of Collection Media for Low Levels of
Airborne Pesticides
5. REPORT DATE
October 1977
6. PERFORMING ORGANIZATION CODE
AUTHOR(S)
John W. Rhoades and Donald E. Johnson
8. PERFORMING ORGANIZATION REPORT
PERFORMING ORGANIZATION NAME AND ADDRESS
Southwest Research Institute
8500 Culebra Road
San Antonio, Texas 78284
10. PROGRAM ELEMENT NO.
1EA615
11. CONTRACT/GRANT NO.
68-02-2235
2. SPONSORING AGENCY NAME AND ADDRESS
Health Effects Research Laboratory
Office of Research and Development
U.S. Environmental Protection Agency
Research Triangle Park, N.C. 27711
13. TYPE OF REPORT AND PERIOD COVER
RTP-NC
14. SPONSORING AGENCY CODE
EPA-600/11
5. SUPPLEMENTARY NOTES
6. ABSTRACT
Polyurethane foam plugs, Chromosorb 102, and Tenax GC have all been found
to be better sorbents than cottonseed oil for high volume collection of airborne
chlorinated and organophosphate pesticides and polychlorinated biphenyls. None
of these were satisfactory for the recovery of carbofuran or carbaryl. A new
high volume collecting module concept capable of use with polyurethane foam,
porous polymer beads, liquid coated glass beads, or other solids was developed.
The entire collector is Soxhlet extracted and no disassembly is required. The
collector-extractor is ready for reuse as soon as residential solvent is removed.
KEY WORDS AND DOCUMENT ANALYSIS
DESCRIPTORS
b.lDENTIFIERS/OPEN ENDED TERMS C. COSATI Field/Groi
pesticides
collecting methods
organophosphate pesticide
chlorinated pesticides
07 C
14 B
air
18. DISTRIBUTION STATEMENT
RELEASE TO PUBLIC
19. SECURITY CLASS (ThisReport)
UNCLASSIFIED
21. NO. OF PAGES
138
20. SECURITY CLASS (Thispage)
UNCLASSIFIED
22. PRICE
EPA Form 2220-1 (9-73)
130
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