UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
                            NATIONAL EXPOSURE RESEARCH LABORATORY
 United States
 Environmental Protection    HUMAN EXPOSURE & ATMOSPHERIC SCIENCES DIVISION (MD-D205-03)
 Agency                                 Research Triangle Park, NC 27711
                                                919-541-3737                                     Office of
                                                                                         Research and Development
       LIST OF DESIGNATED REFERENCE AND EQUIVALENT METHODS
                                   Issue Date:  February 1, 2007
                                    (www.epa.gov/ttn/amtic/criteria.html)

  These methods for measuring ambient concentrations of specified airpollutants have been designated as "reference methods"
or "equivalent methods" in accordance with Title 40, Part 53 of the Code of Federal Regulations (40 CFR Part 53). Subject to
any limitations (e.g., operating range or temperature range) specified in the applicable designation, each method is acceptable
for use in state or local air quality surveillance systems under 40 CFR Part 58 unless the applicable designation is subsequently
canceled. Automated methods for pollutants other than PM10 are acceptable for use only at shelter temperatures between 20°C
and 30°C and line voltages between 105 and 125 volts unless wider limits are specified in the method description.
  Prospective users of the methods listed should note (1) that each method must be used in strict accordance with its associated
operation or instruction manual and with applicable quality assurance procedures, and (2) that modification of a method by its
vendor or user may cause the pertinent designation to be inapplicable to the method as modified.  (See Section 2.8 of Appendix
C, 40 CFR Part 58 for approval of modifications to any of these methods by users.)
  Further information concerning particular designations may be found in the Federal Register notice cited for each method or
by writing to the National Exposure Research Laboratory, Human Exposure and Atmospheric Sciences Division (MD-D205-03),
U.S. Environmental Protection Agency, Research Triangle Park, North Carolina 27711. Technical information concerning the
methods should be obtained by contacting the source listed for each method.  Source addresses are listed at the end of the listing
of methods, except for the addresses for lead method sources, which are given with the method. New analyzers or PM10 samplers
sold as reference or equivalent methods must carry a label or sticker identifying them as designated methods.  For analyzers or
PM10 or  samplers sold prior to the designation of a method with the same or similar model number, the model number does not
necessarily identify an analyzer or sampler as  a designated method.   Consult the manufacturer or seller  to determine if a
previously sold analyzer or sampler can be considered a designated method or if it can be upgraded to designation status.
Analyzer users who experience operational or other difficulties with a designated analyzer or sampler and are unable to resolve
the  problem  directly with the instrument manufacturer  may contact EPA (preferably in writing) at the above address for
assistance.
  This list will be revised as necessary to reflect any new designations or any cancellation of a designation currently in effect.
The most current revision of the list will be available for inspection at EPA's Regional Offices, and copies may be obtained at
the Internet site identified above or by writing to the National Exposure Research Laboratory at the address specified above.
                                         Most Recent Designations
             Re-designation of 7 VSCC PM25 samplers as reference methods*        Dec. 18, 2007
               BGI PQ200-VSCC and PQ200A-VSCC; R&P Partisol®-FRM 2000 PM-2.5
               FEM and FEM Audit, R&P Partisol®-Plus 2025 PM-2.5 FEM Sequential;
               Thermo Electron RAAS2.5-100 FEM, -200 FEM, and -300 FEM Sequential
             Ecotech Model 3000 PM10 High Volume Air Sampler                     July 25, 2006
             Seres Model NOx 2000 G Nitrogen Dioxide Analyzer                    July 25, 2006
             Horiba Models APNA-370 (NO2) and APMA-370 (CO)                   May 1, 2006
             Horiba Models APOA-370 (O3) and APSA-370 (SO2)                     May 1, 2006
             Seres Model OZ 20000 G (O3)                                        May 1, 2006
             *See re-designation notice atwvwv.epa.gov/ttn/amtic/criteria.html

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                                          List of Designated Reference and Equivalent Methods, February 01, 2007  Page 2
                                            PARTICULATE MATTER - TSP
Reference Method for TSP                                          Manual Reference Method: 40 CFR Part 50, Appendix B
  Reference Method for the Determination of Suspended Participate Matter in the Atmosphere (High-Volume Method)
                                            [Federal Register: Vol. 47, page 54912, 12/06/82 and Vol. 48, page 17355, 04/22/83]
                                           PARTICULATE MATTER - PM,
Andersen Model RAAS10-100 PM10 Single Channel PM10 Sampler                Manual Reference Method: RFPS-0699-130
  "Andersen Instruments, Incorporated Model RAAS10-100 Single Channel Reference Method PM10 Sampler," with RAAS-10  PM10
  inlet or the louvered inlet specified in 40 CFR 50 Appendix L, Figs. L-2 thru L-19, configured as a PM10 reference method, and operated
  for 24-hour continuous sample periods at a flow rate of 16.67 liters/ minute, and in accordance with the Model RAAS105-100 Operator's
  Manual and with the requirements and sample  collection filters specified in 40 CFR Part 50, Appendix J or Appendix M.
                                                                           [Federal Register: Vol. 64, page 33481,06/23/99]

Andersen Model RAAS10-200 PM10 Single Channel PM10 Audit Sampler          Manual Reference Method: RFPS-0699-131
  "Andersen Instruments, Incorporated Model RAAS10-200 Single Channel Reference Method PM10 Audit Sampler," with RAAS-10
  PM10 inlet or the louvered inlet specified in 40  CFR 50 Appendix L,  Figs.  L-2 thru L-l 9, configured as a PM10 reference method, and
  operated for 24-hour continuous sample periods at a flow rate of 16.67 liters/minute, and in accordance with the Model RAAS105-200
  Operator's Manual and with the requirements and sample collection  filters specified in 40 CFR Part 50, Appendix J or Appendix M.
                                                                           [Federal Register: Vol. 64, page 33481,06/23/99]

Andersen Model RAAS10-300 PM10 Multi Channel PM10 Sampler                Manual Reference Method: RFPS-0699-132
  "AndersenInstruments, Incorporated Model RAAS10-300 Multichannel Sequential Reference Method PM10 Sampler," with RAAS-10
  PM10 inlet or the louvered inlet specified in 40  CFR 50 Appendix L,  Figs.  L-2 thru L-l 9, configured as a PM10 reference method, and
  operated for 24-hour continuous sample periods at a flow rate of 16.67 liters/minute, and in accordance with the Model RAAS 105-300
  Operator's Manual and with the requirements and sample collection  filters specified in 40 CFR Part 50, Appendix J or Appendix M.
                                                                           [Federal Register: Vol. 64, page 33481,06/23/99]

BGI Incorporated Model PQ100 Air Sampler                                     Manual Reference Method: RFPS-1298-124
  "BGI Incorporated Model PQ100 Air Sampler" with BGI 16.7 Inlet Kit or the louvered inlet specified in 40 CFR 50 Appendix L, Figs.
  L-2 thru L-19, configured as a PM10 reference method, for 24-hour continuous sample periods  at a flow rate of 16.7 liters/minute,
  operated in accordance with the Model PQ100  Instruction Manual and with the requirements specified in 40 CFR Part 50, Appendix J
  or Appendix M, using either the original or the newer PQ200-type filter cassettes,  and with or without the optional Solar Panel Power
  Supply.                                                                  [Federal Register: Vol. 63, page 69625, 12/17/98]

BGI Incorporated Model PQ200 Air Sampler                                     Manual Reference Method: RFPS-1298-125
  "BGI Incorporated Model PQ200 Air Sampler" with "flat plate"  PM10 inlet or the  louvered inlet specified in 40 CFR 50 Appendix L,
  Figs. L-2 thru L-l 9, configured as a PM10 reference method, and  operated  for 24-hour continuous sample  periods in accordance with
  the Model PQ200 Instruction Manual and with  the requirements specified in 40 CFR Part 50, Appendix J or Appendix M, and with or
  without the optional Solar Panel Power Supply.                              [Federal Register: Vol.. 63, page 69625, 12/17/98]

DKK-TOA Models FPM-222/222C, FPM223/223C, and
  DUB-222(S)/223(S) PM10 Monitor                                         Automated Equivalent Method: EQPM-0905-156
  "DKK-TOA Models FPM-222, FPM-222C, FPM-223, FPM-223C, DUB-222(S), and DUB -223(S) Paniculate Monitor" for monitoring
  PM10 in Ambient Air (beta attenuation monitor), configured for PM10, with Firmware Version DUB4-658355, Corrected Slope Factor
  (FACT SLOPE) set to 1.232, Corrected Zero Value (FACT ZERO) set to 1.8, and with orwithout any of the following options: Auto
  Check and Serial Recorder.                                                 [Federal Register: Vol. 70, page 56684, 09/28/05]

Ecotech Model 3000 PM10 High Volume Air Sampler                             Manual Reference Method: RFPS-0706-162
  "Ecotech Pty.  Ltd. Model 3000 PM10 High Volume Air Sampler," configured with the Ecotech PM10 Size-Selective Inlet (SSI)(P-ECO-
  HVS3000-02), with the flow rate set to 1.13 mVmin (67.8 mVhour).              [Federal Register: Vol. 71, page 42089,07/25/06]

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                                          List of Designated Reference and Equivalent Methods, February 01, 2007  Page 3
      10

Environnement S.A. Model MP101M PM10 Monitor                          Automated Equivalent Method: EQPM-0404-151
  "Environnement S. A. Model MP101M PM10 Beta Gauge Monitor," configured with the louvered PM10 inlet specified in 40 CFR  50
  Appendix L or its flat-topped predecessor version and one of the three optional temperature-regulated sampling tubes  (RST), and
  operated with a full scale measurement range of 0 - 0.500 mg/m3 (0 - 500 fig/m3), with the  sample flow rate set to 1.00 m3/h and flow
  regulation set to yes, the "norms selection" set to  m3 (actual volume), the "cycle" set to 24 hours, the "period" set to none, and the
  "counting time" set to 200 seconds.2                                           [Federal Register: Vol. 69, page 18569, 4/8/04]

Graseby Andersen/GMW Model 1200 High-Volume Air  Sampler                   Manual Reference Method: RFPS-1287-063
  Sierra-Andersen or General Metal Works Model 1200 PM10 High-Volume Air Sampler System," consisting of a Sierra-Andersen or
  General Metal  Works Model 1200 PM10 Size-Selective  Inlet and any of the high-volume air samplers identified as SAUV-10H,
  SAUV-11H,GMW-IP-10,GMW-IP-10-70,GMW-IP-10-801, or GMW-IP-10-8000, which include the following components: Anodized
  aluminum high-volume shelter with either acrylonitrile butadiene styrene plastic filter holder and motor/blower housing or stainless steel
  filter holder and phenolic plastic motor/blower housing; 0.6 hp motor/blower; pressure transducer flow recorder; either an electronic
  mass  flow controller or a  volumetric flow  controller;  either a digital timer/programmer, seven-day mechanical timer, six-day
  timer/programmer, or solid-state timer/programmer; elapsed time indicator; and filter cartridge.
                                             [Federal Register: Vol. 52, page 45684, 12/01/87 and Vol. 53,  page 1062, 01/15/88]

Graseby Andersen/GMW Model 321-B High-Volume Air Sampler                  Manual Reference Method: RFPS-1287-064
  "Sierra-Andersen or General Metal Works Model 321-B PM10 High-Volume Air Sampler System," consisting of a Sierra-Andersen  or
  General Metal Works Model 321-B PM10 Size-Selective  Inlet and any of the high-volume air samplers identified as SAUV-10H,
  SAUV-11H, GMW-IP-10, GMW-IP-10-70, GMW-IP-10-801, or GMW-IP-10-8000, which include the following components:
  Anodized aluminum high-volume shelter with either acrylonitrile butadiene styrene plastic filter holder and motor/blower housing or
  stainless steel filter holder and phenolic plastic motor/blower housing; 0.6 hp motor/blower; pressure transducer flow recorder; either
  an electronic mass flow controlleror a volumetric flow controller; either adigital timer/programmer, seven-day mechanicaltimer, six-day
  timer/programmer, or solid-state timer/programmer; elapsed time indicator; and filter cartridge.
                                             [Federal Register: Vol. 52, page 45684, 12/01/87 and Vol. 53,  page 1062, 01/15/88]

Graseby Andersen/GMW Model 321-C High-Volume Air Sampler                  Manual Reference Method: RFPS-1287-065
  "Sierra-Andersen or General Metal Works Model 321-C PM10 High-Volume Air Sampler System," consisting of a Sierra-Andersen
  General Metal Works Model 321-C PM10 or Size-Selective  Inlet and any of the high-volume air samplers identified as SAUV-10H,
  SAUV-11H, GMW-IP-10, GMW-IP-10-70, GMW-IP-10-801, or GMW-IP-10-8000, which include the following components:
  Anodized aluminum high-volume shelter with either acrylonitrile butadiene  styrene plastic filter holder and motor/blower housing or
  stainless steel filter holder and phenolic plastic motor/blower housing; 0.6 hp motor/blower; pressure transducer flow recorder; either
  an electronic mass flow controller or a volumetric flow controller; either a digital timer/programmer, seven-day mechanical timer, six-day
  timer/programmer, or solid-state timer/programmer; elapsed time indicator; and filter cartridge.
                                             [Federal Register: Vol. 52, page 45684, 12/01/87 and Vol. 53,  page 1062, 01/15/88]

Graseby Andersen/GMW Models SA241 and SA241M Dichotomous Sampler       Manual Reference Method: RFPS-0789-073
  "Sierra-Andersen Models SA241 and SA241M  or General Metal Works Models G241 and G241M  PM10 Dichotomous  Samplers,"
  consisting of the following components: Sampling Module  with SA246b or G246b 10 um inlet or the louvered inlet specified in 40 CFR
  50 Appendix L, Figs. L-2 thruL-19, 2.5 um virtual impactor assembly, 3 7 mm coarse and fine particulate filter holders, and tripod mount;
  Control Module with diaphragm vacuum pump, pneumatic constant flow controller, total and co arse flow rotameters and vacuum gauges,
  pressure switch (optional), 24-hour flow/event recorder, digital timer/programmer or 7-day skip  timer, and elapsed time indicator.
                                                                            [Federal Register: Vol. 54, page 31247, 07/27/89]

Graseby Andersen/GMW Model FH621-N Beta Monitor                     Automated Equivalent Method: EQPM-0990-076
  "Andersen Instruments Model FH 6 2I-NPM10 Beta Attenuation Monitor," consisting of the following components: FH101 Vacuum Pump
  Assembly; FH102 Accessory Kit; FH107 Roof Flange Kit; FH125 Zero and  Span  PM10 Mass Foil Calibration  Kit; FH62I Beta
  Attenuation 19-inch Control Module; SA246b  PM10 Inlet (16.7 liter/min) or the louvered inlet specified in 40 CFR 50 Appendix L, Figs.
  L-2 thru L-19; operated for 24-hour average measurements, with an observing time of 60 minutes, the calibration factor set to 2400, a
  glass fiber filter tape, an automatic filter advance after each 24-hour sample period, and with or without either of the following options:
  FHOP1 Indoor Cabinet; FHOP2 Outdoor Shelter Assembly.                     [Federal Register: Vol. 55, page 38387, 09/18/90]

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                                          List of Designated Reference and Equivalent Methods, February 01, 2007  Page 4
      10

Met One or Sibata Models BAM/GBAM 1020, BAM/GBAM 1020-1            Automated Equivalent Method: EQPM-0798-122
  "Met One Instruments or Sibata Scientific Techno logy Models BAM 1020,GBAM 1020, BAM 1020-1, and GB AM 1020-1 PM10Beta
  Attenuation Monitor," including the BX-802 sampling inlet, operated for 24-hour average measurements, with a filter change frequency
  of one hour, with glass fiber filter tape, and with or without any of the following options: BX-823, tube extension; BX-825, heater kit;
  BX-826, 230 Vac heater kit; BX-827 "Smart Heater" set for maintaining sample moisture between 35% and 45% relative humidity and
  no AT control, BX-828, roof tripod; BX-902, exterior enclosure; BX-903, exterior enclosure with temperature control; BX-961, mass
  flow controller; BX-967, internal calibration device.  For software (firmware) versions V3.0 or higher, a user-selectable measurement
  time (COUNT TIME) setting of 4, 6, or 8 minutes may be selected, along with the appropriate sample time (BAM SAMPLE) setting
  of 50, 46, or 42 minutes, respectively, to maintain a 60-minute measurement cycle time.
                                                                            [Federal Register: Vol. 63, page 41253,08/03/98]

Oregon DEQ Medium Volume PM10 Sampler                                     Manual Reference Method:  RFPS-0389-071
  "Oregon DEQ Medium Volume PM10 Sampler."  NOTE: This method is not now commercially available.
                                                                            [Federal Register: Vol. 54, page 12273,03/24/89]

Rupprecht & Patashnick TEOM Series 1400/1400a PM10 Monitors             Automated Equivalent Method: EQPM-1090-079
  "Rupprecht& PatashnickTEOM Series 1400 and Series 1400a PM-10 Monitors" (including serial number prefixes 1400,140A, 140AA,
  140AB, 140AT,  and 140UP), consisting of the following components: TEOM Sensor Unit; TEOM Control Unit; Flow Splitter (3
  liter/min sample flow); Teflon-Coated Glass Fiber Filter Cartridges; Rupprecht & Patashnick PM-10 Inlet (part number 57-00596),
  Sierra-Andersen Model 246b  PM-10  Inlet (16.7 liter/min) or louvered inlet specified in 40 CFR 50 Appendix L, Figs. L-2 thru L-19;
  operated for 24-hour average measurements, with the total mass averaging time set at 300 seconds, the mass rate/mass concentration
  averaging time set at 300 seconds, the gate time set at 2 seconds, and with or without any of the following options:  Tripod; Outdoor
  Enclosure; Automatic  Cartridge Collection Unit (Series 1400a only); Flow Splitter Adapter (for 1 or 2 liter/min sample flow).
                                                                            [Federal Register: Vol. 55, page 43406, 10/29/90]

Rupprecht & Patashnick Partisol Model 2000 Air Sampler                        Manual Reference Method: RFPS-0694-098
  "Rupprecht & Patashnick Partisol Model 2000 Air Sampler," consisting of a Hub Unit and 0, 1, 2, or 3 Satellite Units, with each
  sampling station used for PM10 measurements equipped with a Rupprecht & Patashnick PM-10 inlet and operated for continuous 24-hour
  periods using  the Basic, Manual, Time, Analog Input, or Serial Input programming modes, and with or without any of the  following
  options: PM25- style filter cassette holder; louvered inlet specified in 40 CFR 50 Appendix L, Figs. L-2 thruL-1 9 in lieu of standard inlet;
  57-002320 Stand for Hub or Satellite; 5 9-002542 Advanced EPROM; 10-001403 Large Pump (1/4 hp); 120 VAC. Hardware for Indoor
  Installation consists of: 51-002638-xxxx Temperature Sensor (Extended Length); 55-001289 Roof Flange  (1 1/4"); 57-000604 Support
  Tripod for Inlet; 5 7-00 252 6-00 01 Samp le Tube Extension (1 m); 57-002526-0002 Sample Tube Extension (2 m). Hardware for Outdoor
  Installation in Extreme Cold Environments consists of:  10-002645  Insulating Jacket for Hub Unit.
                                                                            [Federal Register: Vol. 59, page 35338, 07/11/94]

Rupprecht and Patashnick Co. Partisol®-FRM Model 2000 PM10 Air Sampler      Manual Reference Method:  RFPS-1298-126
  "Rupprecht and Patashnick Company PartisoKD-FRM Model 2000 PM10 Air Sampler" with PM10 inlet or louvered inlet specified in
  40 CFR 50 Appendix L, Figs. L-2 thru L-19, configured as a PM10 reference method, and operated for 24-hour continuous sample periods
  in accordance with the Model  2000 Instruction Manual and with the requirements specified in 40 CFR Part 50, Appendix J or Appendix
  M.                                                                        [Federal Register: Vol. 63, page 69625, 12/17/98]

Rupprecht and Patashnick Partisol®-Plus Model 2025 PM10 Seq. Air Sampler      Manual Reference Method:  RFPS-1298-127
  "Rupprecht and Patashnick Company Partisol®-Plus Model 2025 PM10 Sequential Air  Sampler"  with PM10 inlet or louvered inlet
  specified in 40 CFR  50 Appendix L, Figs. L-2 thru L-l 9, configured as a PM10 reference method, and operated for 24-hour continuous
  sample periods in accordance  with the Model 202 5 Instruction Manual and with the requirements specified in 40 CFR Part 50, Appendix
  Jor Appendix M.                                                          [Federal Register: Vol. 63, page 69625, 12/17/98]

Thermo Andersen Series FH 62 C14 Continuous PM10 Monitor               Automated Equivalent Method: EQPM-1102-150
  "Thermo Andersen Series FH 62 C14 Continuous PM10 Ambient Particulate Monitor," operated for 24-hour average measurements,
  with the specified 10-micron inlet, inlet connector, sample tube with heater, roof flange kit, mass foil kit,  pump kit, sample filter tape;
  with operational settings of 1000 L/h(16.67 L/min) sample flow rate, daily filter change, auto filter change at volumetric flow< 950 L/h,
  auto filter change at mass  >  1500 micrograms, and factory default calculation mode settings; and with operational calibration and
  servicing as outlined in the Operator Manual.                                  [Federal Register: Vol. 67, page 76174, 12/11/02]

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                                          List of Designated Reference and Equivalent Methods, February 01, 2007  Page 5
      J. U           £ *j

Tisch Environmental Model TE-6070 PM10 High-Volume Air Sampler or
  New Star Environmental Model NS-6070 PM10 High-Volume Air Sampler        Manual Reference Method: RFPS-0202-141
  "Tisch Environmental Model TE-6070 or New Star Environmental Model NS-6070 PM10 High-Volume Air Sampler," consisting of
  aTE-6001 PM10 size-selective inlet, 8" x 10" filter holder, aluminum outdoor shelter, mass flow controller or volumetric flow controller
  with brush orbrushless motor, 7-day mechanical off/on-elapsed timer or 11-day digital off/on-elapsed timer, and any of the high volume
  sampler variants identified as TE-6070-BL or NS-6070-BL, TE-6070D or NS-6070D, TE-6070D-BL or NS-6070-BL, TE-6070V or
  NS-6070V, TE-6070V-BL or NS-6070V-BL, TE-6070-DV or NS-6070-DV,  or TE-6070DV-BL or NS-6070DV-BL, with or without
  the optional stainless  steel filter media holder/filter cartridge or continuous flow/pressure recorder.
                                                                           [Federal Register: Vol. 67, page 15566,04/02/02]

Wedding & Associates' or Thermo Environmental Instruments Inc.
Model 600 PM10 High-Volume Sampler                                           Manual Reference Method: RFPS-1087-062
  "Wedding & Associates' or Thermo Environmental Instruments, Inc. Model 600 PM10 Critical Flow High-Volume Sampler," consisting
  of the following W&A/TEII components: PM10 Inlet; Critical Flow Device; Anodized Aluminum Shelter; Blower Motor Assembly for
  115, 220 or 240 VAC and 50/60 Hz; Mechanical Timer; Elapsed Time Indicator; and Filter Cartridge/Cassette, and with or without the
  following options: Digital Timer, 6 or 7 Day Timer, and 1 or 7 Day Pressure Recorder.
                                                                           [Federal Register: Vol. 52, page 37366,10/06/87]

Wedding & Associates' or Thermo Environmental Instruments Inc.
  Model 650  PM10Beta Gauge                                               Automated Equivalent Method: EQPM-0391-081
  "Wedding & Associates' or Thermo Environmental Instruments, Inc. Model 650 PM10 Beta Gauge Automated Particle Sampler,"
  consisting of the following W&A/TEII components: Particle Sampling Module, PM10 Inlet (18.9 liter/min), Inlet Tube and Support
  Ring, Vacuum Pump  (115,  220 or 240 VAC and  50/60 Hz); and operated for 24-hour average measurements with glass fiber filter
  tape.                                                                      [Federal Register: Vol. 56, page 9216, 03/05/91]
                                           PARTICULATE MATTER - PM2S
Andersen Model RAAS2.5-200 PM2.5 Ambient Audit Air Sampler                 Manual Reference Method: RFPS-0299-128
  "Andersen Instruments, Incorporated Model RAAS2.5-200 PM2.5 Audit Sampler,"configured as a PM25 reference method and operated
  with software (firmware) version 4B, 5.0.1 - 6.09, 6.0A, or 6.OB, for 24-hour continuous  sample periods at a flow rate of 16.67
  liters/minute, and in accordance with the Model RAAS2.5-200 Operator's Manual and with the requirements and sample collection filters
  specified in 40 CFR Part 50, Appendix L.                                    [Federal Register: Vol. 64, page 12167, 03/11/99]

BGI Inc. Models PQ200 or PQ200A PM25 Ambient Fine Particle Sampler           Manual Reference Method: RFPS-0498-116
  "BGI Incorporated Models PQ200 and PQ200A PM2 5 Ambient Fine Particle Sampler," operated with firmware version 3.88 or 3.89R,
  for 24-hour continuous sample periods, in accordance with the Model PQ200/PQ200A Instruction Manual and with the requirements
  and sample collection filters specified in 40 CFR Part 50, Appendix L, and with or without  the optional Solar Power Supply or the
  optional dual-filter cassette (P/N F-21/6) and associated lower impactor housing (P/N B2027), where the upper filter is used for PM25.
  The Model PQ200A is described as a portable audit sampler and includes a set of three  carrying cases.
                                                                           [Federal Register: Vol. 63, page 18911,04/16/98]

BGI Inc. Models PQ200-VSCC or PQ200A-VSCC PM25 Sampler                  Manual Reference Method: RFPS-0498-116
                                                                            or Manual Equivalent Method: EQPM-0202-142
  "BGI Incorporated Models PQ200-VSCC or PQ200A-VSCC PM25 Ambient Fine Particle Sampler," configured with a BGI VSCC™
  Very Sharp Cut Cyclone particle size separator and operated with firmware version 3.88, 3.91,  3.89R, or 3.91 R, for 24-hour continuous
  sample periods, in  accordance  with the  Model PQ200/PQ200A Instruction  Manual and VSCC supplemental manual and with the
  requirements and sample collection filters specified in 40 CFR Part 50, Appendix L, and with or without the optional Solar Power Supply
  or the optional dual-filter cassette (P/N F-21/6) and associated lower impactor housing (P/N B2027), where the upper filter is used for
  PM25.  The Model PQ200A VSCC is described as a portable audit sampler and includes a set of three carrying cases.
                                                                           [Federal Register: Vol. 67, page 15567, 04/02/02]

Graseby Andersen Model RAAS2.5-100 PM2.5 Ambient Air Sampler               Manual Reference Method: RFPS-0598-119
  "Graseby Andersen Model RAAS2.5-100 PM2.5 Ambient Air Sampler," operated with software version 4B, 5.0.1 - 6.09, 6.0 A, or 6.OB,
  configured for "Single  2.5" operation, for 24-hour continuous sample periods at a flow  rate of 16.67 liters/minute, and in accordance
  with the Model RAAS2.5-100 Operator's Manual and with the requirements and sample collection filters specified in 40 CFR Part 50,
  AppendixL.                                                              [Federal Register: Vol. 63, page 31991, 06/11/98]

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                                          List of Designated Reference and Equivalent Methods, February 01, 2007   Page 6
      2.5

Graseby Andersen Model RAAS2.5-300 PM2.5 Sequential Ambient Air Sampler    Manual Reference Method: RFPS-0598-120
  "Graseby Andersen Model RAAS2.5-300 PM2.5 Sequential Ambient Air Sampler," operated with software version 4B, 5.0.1 - 6.09,
  6.0A, or 6.OB, configured for "Multi 2.5" operation, for 24-hour continuous sample periods at a flow rate of 16.67 liters/minute, and in
  accordance with the Model RAAS2.5-3 00 Operator's Manual and with the requirements and sample collection filters specified in 40 CFR
  Part 50, Appendix L.                                                       [Federal Register: Vol. 63, page 31991,06/11/98]

Rupprecht & Patashnick Partisol®-FRM Model 2000 PM-2.5 Air Sampler          Manual Reference Method: RFPS-0498-117
  "Rupprecht & Patashnick Company, Incorporated Partisol®-FRM Model 2000 PM-2.5 Air Sampler," operated with software versions
  1.102 - 1.202, with either R&P-specified machined or molded filter cassettes, with or without the optional insulating jacket for cold
  weather operation, for  24-hour continuous sample periods, in accordance with the Model 2000 Instruction Manual and  with the
  requirements and sample collection filters specified in 40 CFR Part 50, Appendix L.
                                                                           [Federal Register: Vol. 63, page 18911,04/16/98]

Rupprecht & Patashnick Partisol®-FRM Model 2000 PM-2.5 FEM Air Sampler     Manual Reference Method: RFPS-0498-117
                                                                            or Manual Equivalent Method: EQPM-0202-143
  "Rupprecht & Patashnick Co., Inc. Partisol®-FRM Model 2000 PM-2.5 FEM Air Sampler," configured with a BGIVSCC™ Very Sharp
  Cut Cyclone particle size separator and operated with software versions 1.102 -  1.202, with either R&P-specified machined or molded
  filter cassettes, for 24-hour continuous sample periods, in accordance with the Model 2000 Instruction Manual and VSCC supplemental
  manual, with the requirements and sample collection filters specified in 40 CFR Part 50, Appendix L, and with or without the optional
  insulating jacket for cold weather operation.                                  [Federal Register: Vol. 67, page 15567,04/02/02]

Rupprecht & Patashnick Partisol® Model 2000 PM-2.5 Audit  Sampler              Manual Reference Method: RFPS-0499-129
  "Rupprecht & Patashnick Company, Inc. Partisol®  Model 2000  PM-2.5 Audit Sampler," configured as a PM25 reference method and
  operated with software (firmware) version 1.2 - 1.202, for 24-hour continuous sample periods at a flow rate of 16.67 liters/minute, in
  accordance with the Partisol® Model 2000 Operating Manual and with the requirements and sample collection filters specified in 40 CFR
  Part 50, Appendix L.                                                       [Federal Register: Vol. 64, page 19153,04/19/99]

Rupprecht & Patashnick Partisol® Model 2000 PM-2.5 FEM Audit Sampler         Manual Reference Method: RFPS-0499-129
                                                                            or Manual Equivalent Method: EQPM-0202-144
  "Rupprecht & Patashnick Co., Inc. Partisol® Model 2000 PM-2.5 FEM Audit Sampler," configured with a BGI VSCC™ Very Sharp
  Cut Cyclone particle size separator, and operated with software (firmware) version 1.2-1.202, for 24-hour continuous sample periods
  at a flow rate of 16.67 liters/minute,  in accordance with the Partisol® Model  2000 Operating Manual and VSCC supplemental manual
  and with the requirements and sample collection filters specified in 40 CFR  Part 50, Appendix L.
                                                                           [Federal Register: Vol. 67, page 15567, 04/02/02]

Rupprecht & Patashnick Partisol®-Plus Model 2025  Sequential Air Sampler         Manual Reference Method: RFPS-0498-118
  "Rupprecht & Patashnick Company, Incorporated  PartisoKD-Plus Model 2025 PM-2.5  Sequential Air Sampler," operated with any
  software version 1.003 through 1.413, with either R&P-specified machined or molded filter cassettes,  for 24-hour continuous sample
  periods, in accordance with the Model 2025 Instruction Manual  and with the requirements and sample collection filters specified in 40
  CFR Part 50, Appendix L.                                                  [Federal Register: Vol. 63, page 18911,04/16/98]

Rupprecht & Patashnick Partisol®-Plus Model 2025  FEM Sequential Sampler      Manual Reference Method: RFPS-0498-118
                                                                            or Manual Equivalent Method: EQPM-0202-145
  "Rupprecht & Patashnick Co., Inc. Partisol®-Plus Model 2025 PM-2.5 FEM  Sequential Air Sampler," configured with a BGI VSCC™
  Very Sharp Cut Cyclone particle size separator, and  operated with any software version 1.003 through 1.413, with either R&P-specified
  machined or molded filter cassettes, for 24-hour continuous sample periods, in accordance with the Model 2025 Instruction Manual and
  VSCC supplemental manual and with the requirements and sample collection filters specified in 40 CFR Part  50, Appendix L.
                                                                           [Federal Register: Vol. 67, page 15567,04/02/02]

Thermo Electron Model RAAS2.5-100 FEM PM25 Ambient Air Sampler            Manual Reference Method: RFPS-0598-119
                                                                            or Manual Equivalent Method: EQPM-0804-153
  "Thermo Electron Corporation Model RAAS2.5-100  FEM" PM25 Ambient Air Sampler, configured with  a BGI VSCC™ Very Sharp
  Cut Cyclone particle size separator and operated with software version 06.OB.00 configured for "Single 2.5" operation, for 24-hour
  continuous sample periods at a flow rate of 16.67 liters/minute, in accordance with the Model RAAS2.5-100 FEM Operator's Manual
  and VSCC™ supplemental manual, and in accordance with the requirements and sample collection filters specified in 40 CFR Part 50,
  Appendix L                                                               [Federal Register: Vol. 69, page 47924, 08/06/04]

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                                          List of Designated Reference and Equivalent Methods, February 01, 2007   Page 7
       fj

Thermo Electron Model RAAS2.5-200 FEM PM25 Audit Air Sampler              Manual Reference Method: RFPS-0299-128
                                                                           or Manual Equivalent Method: EQPM-0804-154
  "Thermo Electron Corporation Model RAAS2.5-200 FEM" PM25 Audit Air Sampler, configured with a BGIVSCC™ Very Sharp Cut
  Cyclone particle size separator and operated with software version 06.OB .00, for 24-hour continuous sample periods  at a flow rate of
  16.67 liters/minute, in accordance with the Model RAAS2.5-200  FEM Operator's Manual and VSCC supplemental manual, and in
  accordance with the requirements and sample collection filters specified in 40 CFR Part 50, Appendix L.
                                                                           [Federal Register: Vol. 69, page 47924, 08/06/04]

Thermo Electron Model RAAS2.5-300 FEM PM2 5 Sequential Ambient Air Sampler Manual Reference Method: RFPS-0598-120
                                                                           or Manual Equivalent Method: EQPM-0804-155
  "Thermo Electron Corporation Model RAAS2.5-300 FEM" PM25 Sequential Ambient Air Sampler, configured with  a BGI VSCC™
  Very Sharp Cut Cyclone particle size separator and operated with software version 06.OB.00 configured for"Multi 2.5" operation, for
  24-hour continuous sample periods at a flow rate of 16.67 liters/minute, in accordance with the Model RAAS2.5-300 FEM Operator's
  Manual and VSCC supplemental manual, and in accordance with the requirements and sample collection filters specified in 40 CFR Part
  50, Appendix L                                                           [Federal Register: Vol. 69, page 47924, 08/06/04]

Thermo Environmental Instruments, Incorporated Model 605 "CAPS" Sampler    Manual Reference Method: RFPS-1098-123
  "Thermo Environmental Instruments, Incorporated Model 605 "CAPS" Computer Assisted Particle Sampler," configured  as a PM2.5
  reference method and operated with software version 1.02A, for 24-hour continuous sample periods, in accordance with the Model 605
  Instruction Manual and with the requirements and sample  collection filters specified in 40 CFR Part 50, Appendix L.
                                                                           [Federal Register: Vol. 63, page 58036, 10/29/98]

URG-MASS100 Single PM 2.5 FRM Sampler                                    Manual Reference Method: RFPS-0400-135
  "URG-MASS100 Single PM 2.5 FRM Sampler," operated with software (firmware) version 4B or 5.0.1, configured for "Single 2.5"
  operation,  for 24-hour continuous sample periods at a flow rate of 16.67 liters/minute, and in accordance with the URG-MASS100
  Operator's Manual and with the requirements and sample  collection filters specified in 40  CFR Part 50, Appendix L.
                                                                          [Federal Register.  Vol. 65, page 26603, 05/08/00]

URG-MASS300 Sequential PM 2.5 FRM Sampler                                Manual Reference Method: RFPS-0400-136
  "URG-MASS300 Sequential PM 2.5 FRM Sampler," operated with software (firmware) version 4B or 5.0.1, configured for  "Multi 2.5"
  operation,  for 24-hour continuous sample periods at a flow rate of 16.67 liters/minute, and in accordance with the URG-MASS300
  Operator's Manual and with the requirements and sample  collection filters specified in 40  CFR Part 50, Appendix L.
                                                                           [Federal Register. Vol. 65, page 26603, 05/08/00]
                                                  SULFUR DIOXIDE
Reference Method for SO2 (Pararosaniline Method)                  Manual Reference Method: 40 CFR Part 50, Appendix A
  Reference Method for the Determination of Sulfur Dioxide in the Atmosphere (Pararosaniline Method)
                                                [Federal Register: Vol. 47, page 54899, 12/06/82 and Vol. 48, 17355,04/22/83]

Pararosaniline Method for SO2 - Technicon I                                      Manual Equivalent Method: EQS-0775-001
  "Pararosaniline Method for the Determination of Sulfur Dioxide in the Atmosphere-Technicon I Automated Analysis System"
                                                                          [Federal Register: Vol. 40, page 34024, 08/13/75]

Pararosaniline Method for SO2 - Technicon II                                     Manual Equivalent Method: EQS-0775-002
  "Pararosaniline Method for the Determination of Sulfur Dioxide in the Atmosphere-Technicon II Automated Analysis System"
                                                                          [Federal Register: Vol. 40, page 34024, 08/13/75]

Advanced Pollution Instrumentation, Inc. Model 100 SO2 Analyzer            Automated Equivalent Method: EQSA-0990-077
  "Advanced Pollution Instrumentation, Inc. Model 100 Fluorescent SO2 Analyzer," operated on the 0-0.1 ppm1, the0-0.2 ppm1, the 0-0.5
  ppm, or the 0-1.0 ppm  range with a 5-micron TFE filter element installed in the rear-panel filter assembly, either a  user- or
  vendor-supplied vacuum pump capable of providing 20 inches of mercury vacuum at 2.5 L/min, with or without any of the following
  options: Internal Zero/Span; Pump Pack; Rack Mount With Slides; RS-232 Interface; Status Output; TFE Zero/Span Valves; Zero Air
  Scrubber; Dual Range.2                                                   [Federal Register: Vol. 55, page 38149, 09/17/90]

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                                          List of Designated Reference and Equivalent Methods, February 01, 2007  Page 8


ASARCO Model 500 SO2 Monitor                                           Automated Equivalent Method: EQSA-0877-024
  "ASARCO Model 500 Sulfur Dioxide Monitor," operated on a 0-0.5 ppm range; or "ASARCO Model 600 Sulfur Dioxide Monitor,"
  operated on a 0-1.0 ppm range. (Both models are identical except for  the range.)   NOTE: This method is not now commercially
  available.                                  [Federal Register: Vol. 42, page 44264, 09/02/77 and Vol. 44, page 67522, 11/26/79]

Beckman Model 953 Fluorescent Ambient SO2 Analyzer                       Automated Equivalent Method: EQSA-0678-029
  "Beckman Model 953 Fluorescent Ambient SO2 Analyzer," operated on a range of either 0-0.5 or 0-1.0 ppm, with a time constant setting
  of 2, 2.5, or 3 minutes, a 5 to 10 micron membrane filter element installed in the rear-panel filter assembly, with or without any of the
  folio wing options: Remote Operation Kit, Catalog No. 641984; Digital Panel Meter, Catalog No. 641710; Rack Mount Kit, Catalog No.
  641709; Panel Mount Kit, Catalog No. 641708.                               [Federal Register: Vol. 43, page 35995,08/14/78]

Bendix Model 8303 Sulfur Analyzer                                          Automated Equivalent Method: EQSA-1078-030
  "Bendix Model  8303 Sulfur Analyzer," operated on a range of either 0-0.5 or 0-1.0 ppm, with a Teflon filter installed on the sample
  inlet of the H2S scrubber assembly.                                          [Federal Register: Vol. 43, page 50733, 10/31/78]

Columbia Scientific Industries Model 5700 SO2 Analyzer                       Automated Equivalent Method: EQSA-0494-095
  "Columbia Scientific Industries Model 5700 Sulfur Dioxide Analyzer", operated with software version 1.0 on any full scale range
  between 0-250 ppb1 and 0-1000 ppb, at any integration time setting from 20 to 99 seconds, at any temperature in the range of 15°C to
  30°C, at any AC line voltage in the range of 105 to 130 volts, and with or without any of the following options:
  964-0121 Alarm Relay Contacts            964-0125 Dual Current Outputs           964-0131 Rack Mount
  964-0122 Input  Solenoids                 964-0126 Printer                        964-0012 Single Headed Pump
  964-0124 Dual Analog Voltage Outputs                                      [Federal Register: Vol. 59, page 18818,04/20/94]

Dasibi Model 4108 U.V. Fluorescence SO2 Analyzer                            Automated Equivalent Method: EQSA-1086-061
  "Dasibi Model 4108 U.V. Fluorescence SO2 Analyzer," operated with a range of 0-100 ppb1, 0-200 ppb1, 0-500 ppb, or 0-1000 ppb, with
  a Teflon-coated particulate filter and continuous hydrocarbon removal system, with or without any of the following options:  Rack
  Mounting  Brackets And Slides; RS-232-C Interface; Temperature Correction.    [Federal Register: Vol. 51, page 32244, 09/10/86]

DKK-TOA Corp. Model GFS-32 U.V. Fluorescent SO2 Analyzer               Automated Equivalent Method: EQSA-0701-115
  "DKK-TOA Corporation Model GFS-32 Ambient Air SO2 Ultraviolet Fluorescent Analyzer, operated within the  0.000 to 0.500 ppm
  range in the temperature range of20°C to 30°C.                               [Federal Register: Vol. 62, page 44007,08/18/97]

DKK-TOA Corp. Model GFS-112E U.V. Fluorescent SO2 Analyzer           Automated Equivalent Method: EQSA-0100-133
  "DKK-TOA Corporation Models GFS-112E and GFS-112E-1 U.V. Fluorescence SO2 Analyzer," operated at  any temperature ranging
  from 15° C to 35° C, on any of the following measurement ranges: 0-0.05 ppm1, 0-0.100 ppm1, 0-0.200 ppm1, 0-0.5 ppm, or 0-1.000 ppm,
  and with or without the optional Internal zero air supply and permeation tube oven.
                                                                            [Federal Register: Vol. 65, page 2610, 01/18/00]

Environnement S.A. Model AF21M SO2 Analyzer                             Automated Equivalent Method: EQSA-0292-084
  "Environnement S. A Model AF21M Sulfur Dioxide Analyzer," operated  on a range of 0-0.5 ppm with a response time coefficient setting
  of 01, a Teflon filter installed in the rear-panel filter assembly, and with or without any of the following options: Rack Mount/Slides;
  RS-232-C  Interface.                                                        [Federal Register: Vol. 57, page 5444, 02/14/92]

Environnement S.A. Model AF22M SO2 Analyzer                             Automated Equivalent Method: EQSA-0802-149
  "Environnement S.A Model AF22M UV Fluorescence Sulfur Dioxide Analyzer," operated with a full scale range of 0 - 500 ppb,  at any
  temperature in the range of 10 °C to 35 °C, with a 5-micron PTFE sample  particulate filter, with a response time setting of 11 (Automatic
  response time), with the  automatic "ZERO-REF" cycle ON and set for activation every  24 hours, and with or without either  of the
  following options: Permeation oven, Rack mount slides.                       [Federal Register: Vol. 67, page 57811, 09/12/02]

Environnement S.A. SANOA Multigas Longpath Monitoring System            Automated Equivalent Method: EQSA-0400-138
  "Environnement S.A. Model  SANOA Multigas Longpath Air Quality Monitoring System," consisting  of a receiver, one or more
  projectors, interface unit, a user-provided control unit computer running the SANOA VisionAIR software, and associated incidental
  equipment; configured for measuring SO2, with the temperature control  and internal calibration cell options installed, operated with a
  measurement  range of 0 to 0.5 ppm, over an installed monitoring path length of between 27 and 500 meters, within an ambient air
  temperature range of-30 to +45 °C, with a measurement (integrating) time of 180 seconds, and with or without external temperature and
  barometric pressure sensors or any of the following options: external (meteo) input connection, series 1M bus connection, OGR type
  projector, analog outputs.                                                  [Federal Register: Vol. 65, page 26603, 05/08/00]

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                                          List of Designated Reference and Equivalent Methods, February 01, 2007   Page 9


Horiba Models APSA-360, APSA-360-CE, or APSA-360A-CE SO2 Monitors    Automated Equivalent Method: EQSA-0197-114
  "Horibalnstruments, Inc. Models APSA-360, APSA-360-CE or APSA-360A-CE Ambient Sulfur Dioxide Monitor,"operated with a full
  scale range of 0 - 0.50 ppm, at any temperature in the range of 5 °C to 40 °C, with a Line Setting of "MEASURE", an Analog Output
  Setting of "MOMENTARY VALUE", and with or without any of the following options:2
  1) Rack Mounting Plate and Side Rails,   2) RS-232 Communications Port, and 3) Internal zero gas and span gas generator.
  "Horiba Instruments, Inc. Model APSA-360A-CE Ambient Sulfur Dioxide Monitor," operated with one of the following measurement
  ranges: 0-0.05 ppm, 0-0.1 ppm, 0-0.2 ppm, 0-0.5 ppm or 0-1.0 ppm; with selectable time constants from 10 to 300 seconds; at any
  temperature in the range of 5 °C to 40 °C; and with or without the optional internal zero gas and span gas generator.
                                                [Federal Register: Vol. 62, page 6968, 02/14/97; Vol. 63, page 31992, 06/11/98]

Horiba Model APSA-370 Ambient SO2 monitor                               Automated Equivalent Method: EQSA-0506-159
  "Horiba Instruments Incorporated Model APSA-370 Ambient SO2 Monitor," operated with a full scale fixed measurement range of
  0 - 0.50 ppm, with the automatic range switching off, at any environmental temperature in the range of 20 °C to 30 °C.2
                                                                           [Federal Register: Vol. 71, page 25587, 05/01/06]

Lear Siegler Model AM2020  SO2 Monitor                                   Automated Equivalent Method: EQSA-0486-049
  "Lear Siegler Model AM2020 Ambient SO2 Monitor," operated on a range of either 0-0.5 or 0-1.0 ppm, at a wavelength of 299.5 nm,
  with a 5 minute integration period, over any 10°C temperature range between 20°C and 45°C, with or without the automatic  zero and
  span correction feature.                      [Federal Register: Vol. 45, page 79574,  12/01/80 and Vol. 46, page 9997, 01/30/81]

Lear Siegler Model SM1000 SO2 Monitor                                    Automated Equivalent Method: EQSA-1275-005
  "Lear Siegler Model SM1000 SO2 Ambient Monitor," operated on the 0-0.5 ppm range, at a wavelength of 299.5 nm, with the "slow"
  (300 second) response time, with or without any of the folio wing options: SM-1 Internal Zero/Span; SM-2 Span Timer Card; SM-3 0-0.1
  Volt Output; SM-4 0-5 Volt Output; SM-5 Alternate Sample Pump; SM-6 Outdoor Enclosure.                  [Federal Register:
         Vol.  41, page 3893,01/27/76; Vol. 41, page 32946, 08/06/76; Vol. 42, page 13044,03/08/77;  Vol. 45, page 1147, 01/04/80]

Meloy Model SA185-2A SO2 Analyzer                                       Automated Equivalent Method: EQSA-1275-006
  "Meloy Model SA185-2A Sulfur Dioxide Analyzer," operated on the 0-0.5 ppm range, with or without any of the following options:
  S-l   Linearized Output                    S-2  Modified Recorder Output           S-18  Rack Mount Conversion
  S-24 Dual Range Linearized Output        S-5  Teflon-Coated Block               S-l8A Rack Mount Conversion
  S-33 Remote Range Control And Status   S-6A Reignite Timer Circuit                 S-21Front Panel Digital (Signals)
  S-7  Press To Read Volt Meter            S-34 Remote Control                   S-l 1A Manual Zero And Span
  S-22 Remote Zero/Span Control And Status (Timer)    S-35 Front Panel Digital Meter With BCD Output
  S-l IB Automatic Zero And Span           S-13 Status Lights                      S-22A Remote Zero/Span Control
  S-36 Dual Range Log-Linear Output        S-14 Output Booster Amplifier           S-23  Automatic Zero Adjust
  S-38 Sampling Mode Status               S-14B Line Transmitter Board            S-23A Automatic/Manual Zero Adjust
  or operated on the 0-1.0 ppm range with either option S-36 or options S-l and S-24,  with or without any of the other options.
                                            [Federal Register: Vol. 41, page 3893,01/27/76 and Vol. 43, page 38088, 08/25/78]

Meloy Model SA285E SO2 Analyzer                                          Automated Equivalent Method: EQSA-1078-032
  "Meloy Model SA285E  Sulfur Dioxide Analyzer," operated on the following ranges  and  time constant switch positions:
  Range, ppb:              0-501          0-1001               0-500                 0-1000
  Time Constant Setting:  1 or 10            1 or 10          off, 1 or  10             off, 1 or 10
  The analyzer may be operated at temperatures between 10°C and 40°C and at line voltages between 105 and 1  30 volts, with or without
  any of the following options:
   S-5  Teflon Coated Block                S-22B Remote Zero/Span Control          S-30  Auto  Reignite
   S-14B Line Transmitter Board             And Status (Pulse)                       S-32  Remote Range Control And Status
   S-18  Rack Mount Conversion             S-23 Auto Zero Adjust                   S-35  Front Panel Digital Meter With
   S-18A Rack Mount Conversion            S-23A Auto/Manual Zero Adjust           BCD Output
   S-21  Front Panel Digital Meter            S-25 Press  To Read                     S-37  Temperature Status Lights
   S-22 Remote Zero/Span Control           S-26 Manual Zero And Span             S-38  Sampling Mode Status
       And Status (Timer)                  S-27 Auto Manual Zero/Span
   S-22A Remote Zero/Span Control          S-28 Auto Range And Status       [Federal Register: Vol. 43, page 50733, 10/31/78]

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                                         List of Designated Reference and Equivalent Methods, February 01, 2007   Page 10


Meloy Model SA 700 Fluorescence Sulfur Dioxide Analyzer                    Automated Equivalent Method: EQSA-0580-046
  "Meloy Model SA 700 Fluorescence Sulfur Dioxide Analyzer," operated on the 0-250 ppb1, the 0-500 ppb, or the 0-1000 ppb range
  with a time constant switch position of either 2 or 3. The analyzer may be operated at temperatures between 20°C and 30 °C and at line
  voltages between 105 and 1 30 volts, with or without any of the following options: FS-1 Current Output; FS-2 Rack Mount  Conversion;
  FS-2A Rack Mount Conversion; FS-2B Rack Mount  Conversion; FS-3  Front Panel Mounted Digital Meter;  FS-5 Auto/Manual
  Zero/Span With Status; FS-6  Remote/Manual Zero/Span With Status; FS-7 Auto Zero Adjust.
                                                                           [Federal Register: Vol. 45, page 31488,05/13/80]

Monitor Labs Model 8450 Sulfur Monitor                                    Automated Equivalent Method: EQSA-0876-013
  "Monitor Labs Model 8450 Sulfur Monitor", operated on a range of either 0-0.5 or 0-1.0 ppm, with a 5 second time constant, a model
  8740 hydrogen sulfide scrubber in the sample line, with or without any of the following options:  BP Bipolar  Signal Processor;  IZS
  Internal Zero/Span Module; V Zero/Span Valves; CLO Current Loop Output; TF TFE Sample Particulate Filter; VT Zero/Span Valves
  And Timer; DO Status Remote Interface.      [Federal Register: Vol. 41, page 36245, 08/27/76 and Vol. 44,  page 33476,  06/11/79]

Monitor Labs/Lear Siegler Model 8850 SO2 Analyzer                          Automated Equivalent Method: EQSA-0779-039
  "Monitor Labs or Lear Siegler Model 8850 Fluorescent SO2 Analyzer," operated on a range of either 0-0.5 or 0-1.0 ppm, with an internal
  time constant setting of 55 seconds, a TFE sample filter  installed on the sample inlet line, with or without any of the following options:
  03A Rack; 03B Slides; 05A Valves Zero/Span; 06A IZS Internal Zero/Span Source; 06B,C,D NIST-Traceable Permeation Tubes; 08A
  Pump; 09A Rack Mount For Option 08A;  010 Status Output W/Connector; 013 Recorder Output Options; 014 DAS Output Options;
  017 Low Flow Option; 018 Kicker.                                         [Federal Register: Vol. 44, page 44616,  07/30/79]

Monitor Labs/Lear Siegler Model 8850S SO2 Analyzer                        Automated Equivalent Method: EQSA-0390-075
  "Monitor Labs or Lear Siegler Model 8850S SO2 Analyzer," operated on a range of either 0-0.5 or 0-1.0  ppm.
                                                                            [Federal Register: Vol. 55, page 5264,  02/14/90]

Opsis Model AR 500 and System 300 Open Path Ambient Air
  Monitoring Systems for SO2                                              Automated Equivalent Method: EQSA-0495-101
  "Opsis Model AR 500 System" or "System 300" Open Path (long path) Ambient Air Monitoring Systems, configured for measuring SO2,
  with one detector and movable grating, operated with a measurement range of 0 to 0.5 ppm or 0 to 1.0 ppm, an installed monitoring path
  length between 20 and 500 meters (or 20 and 1000 meters with the ER 150 option, AR 500 System only), xenon lamp type B (150 watt),
  fiber optic cable length between 3 to  20  meters; operating within an ambient air temperature range of -50  to +50°C, an analyzer
  temperature range of 20 to 30°C, a measurement (integrating) time setting between 30 and 120 seconds (0 min:30 sec. to  2 min:00 sec.),
  and with a complete cycle time ofnot more than 200 seconds (3 min, 20 sec.). Under this method designation, the Model AR 500 System
  or System 300 consists  of:  AR 500 opto-analyser; emitter EM 110 and receiver RE 110 (together identified as ER 110); optic fibre cable
  OF60-S; power supply PS 150; OPSIS operational software, version 7.0 or 7.1; and initialon-site installation, setup, and limited operator
  training.
  Optional components that can be used with the Model AR 500  only, in addition to or as alternative to corresponding components
  listed above:  • AR 503 opto-analyzer configured as Model AR 500 (only the center detector active, sequential monitoring)
  • Emitter/receiver ER 150 (for monitoring path lengths  up to 1 kilometer) • Transceiver ER 130 and Retroreflector RE 090 with 7
  prisms (max. monitoring path length 150 meters) or 12  prisms (max. monitoring path length 250 meters)  • Receiver RE  130
  • Xenon lamp type A (higher short-wavelength UV output) • Optic fibre cable OF60-R (low-loss for short wavelengths)
  • Multiplexers MX 004 and MX 024 • Dataloggers DL 010 and DL 016 • Analogue and digital input/output cards AO 008, AI 016,
  and DI 032 • Analogue and digital isolation cards IA 008, ID 008, OA 008, and OD 008 • Window heaters HF 110 and HF 150
  • Mirror heaters HM 110 and HM 150  • Auto calibration unit CU 007  • Software packages IO 80 (for the analogue and digital
  input/output adapters),  DL10 and DL16 (for data loggers), COMVlSlON, and STAT 500;
  Recommended calibration and accuracy audit components (or equivalent) for either Model AR 500 or System 300:
  • Wavelength calibration lamp CA 004 • Calibration bench CB 100  • Receiver unit RE 060 (two required)  • Calibration unit CA
  150, with same type lamp  as used in the monitoring path emitter •  Power supply PS 150 for calibration unit CA 150 • Calibration
  cells CC 001-X, where X represents various cell lengths from  1 to  900 mm  • Special calibration  cells CC 110  or CC 150 (for
  mounting directly on receiver) • Light meter LM 010.                       [Federal Register:  Vol. 60, page 21518,  05/02/1995]

Philips PW9755 SO2 Analyzer                                                Automated Equivalent Method: EQSA-0676-010
  "Philips PW9755 SO2  Analyzer,"consisting of the following  components:  PW9755/02 SO2 Monitor with PW9741/00  SO2 Source,
  PW9721/00 Filter Set  SO2, PW9711/00 Electrolyte SO2, PW9750/00 Supply Cabinet,  PW9750/10 Supply Unit/Coulometric, either
  PW9731/00 Sampler or PW973 1/20 Dust Filter (or vendor-approved alternate particulate filter); operated with a 0-0.5  ppm range and
  with a reference voltage setting of 7 60 millivolts; with or without any of the folio wing options: PW9750/30 Frame ForMTT; PW9752/00
  Air Sampler Manifold; PW9753/00 Mounting Rack For Accessories; PW9750/41 Control Clock 60 Hz; PW9754/00 Air Distributor.
                     [Federal Register: Vol. 41, page 26252, 6/25/76; Vol. 41, page 46019, 10/19/76; Vol. 42, page 28571, 6/03/77]

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          y~v                             List of Designated Reference and Equivalent Methods, February 01, 2007  Page 11
        »»^J^

Philips PW9700 SO2 Analyzer                                                Automated Equivalent Method: EQSA-0876-011
  "Philips PW9700SO2 Analyzer," consisting of the following components: PW9710/00 Chemical Unit with PW9711/00, Electrolyte SO2,
  PW9721/00  Filter Set SO2, PW9740/00 SO2 Source; PW9720/00 Electrical Unit; PW9730/00 Sampler Unit (or vendor-approved
  alternate particulate filter); operated with a 0-0.5 ppm range and with a reference voltage of 760 millivolts.
                                                                           [Federal Register: Vol. 41, page 34105, 08/12/76]

Teledyne - Advanced Pollution Instrumentation, Inc. Models 100A, 100AS,  100E;
  Teledyne Analytical Instruments Model 6400A; or
  Teledyne Monitor Labs sensor-e™ Model TML-50 SO2 Analyzers            Automated Equivalent Method: EQSA-0495-100
  "Teledyne - Advanced Pollution Instrumentation, Inc. Models 100A, 100AS, or 100E; Teledyne Analytical Instruments Model 6400A;
  or Teledyne Monitor Labs, Inc. sensor-e™ Model TML-50 UV Fluorescent Sulfur Dioxide Analyzer;" operated on any full scale range
  between 0-50 ppb1 and 0-1000 ppb, at any temperature in the range of 5 to 40 degrees C, with a TFE filter element installed in the filter
  assembly, with either the vendor-supplied internal pump or a user- or vender-supplied external vacuum pump capable of maintaining
  an absolute pressure of 35 cm (14 inches) of mercury (or less) at 1.0  standard liter per minute flow rate, with the following software
  settings: Dynamic zero:  OFF or ON; Dynamic span: OFF; AutoCal:  ON or OFF; Dual range: ON or OFF; Autorange:  ON or OFF;
  Temp/pressure compensation: ON; dilution factor: OFF or 1.0; and with or without any of the following options (if available for the
  various models):   Rack mount with or without  chassis  slides; Fluorocarbon zero/span valves; Internal zero/span (IZS); Three-point
  internal zero/span (IZS, option 51C); 4-20 mA, isolated analog outputs; External pump; Status outputs; Control inputs; Rack mount for
  external pump with tray; RS-232  output; Ethernet output; Zero  air scrubber; Combustion Filter;  SO2 Permeation tube, certified or
  uncertified, 0.4 ppm @ 0.7 L/min; SO2 Permeation tube, certified or uncertified, 0.8 ppm @ 0.7 L/min.
                                                                          [Federal Register: Vol.. 60, page 17061,04/04/95]

Teledyne Monitor Labs/Casella/Ecotech Model ML9850/EC9850/EC9850T;    Automated Equivalent Method: EQSA-0193-092
  Teledyne Monitor Labs/Casella/Ecotech/Model ML9850B/EC9850B, or Wedding & Associates Model 1040 SO2 Analyzers
  "Teledyne Monitor Labs, Casella Monitor, or Ecotech Models ML9850/EC9850, or ML9850B/EC9850B, Ecotech Model EC9850T,
  or Wedding & Associates, Inc. Model 1040 Sulfur Dioxide Analyzers," operated on any full scale range between 0-0.0 50 ppm1 and 0-1.0
  ppm, at any temperature in the  range of 15°C to 35°C,  with the service switch on the secondary panel set to the In position; with the
  following menu choices selected: Range: 0.05 ppm to 1.0 ppm; Over-ranging: Enabled or Disabled; Background:  Not Disabled;
  Calibration: Manual or Timed;  Diagnostic Mode:  Operate; Filter Type: Kalman; Pres/Temp/Flow Comp: On; Span Comp: Disabled;
  and as follows: Model ML9850/EC9850/EC9850T - with a five-micron Teflon® filter element installed internally, with the 50-pin I/O
  board installed on the rear panel configured at any of the  following output range settings: Voltage, 0.1 V, 1 V, 5V,10V; Current, 0-20
  mA, 2-20 mA, 4-20 mA; and with or without any of the following options: Valve Assembly for External Zero/Span (EZS); Rack Mount
  Assembly; Internal Floppy Disk Drive.  Models ML9850B/EC9850B and 1040 - with either a vendor-supplied or equivalent user
  supplied five-micron Teflon® filter, zero air scrubber,  and exhaust pump, and with  or without  any  of the following options: Valve
  Assembly for External Zero/Span (EZS); Rack Mount Assembly; 50-pin I/O board; Exhaust Scrubber; Internal Zero/Span Assembly
  (IZS); hinged, fold-down front panel.                                          [Federal Register: Vol. 58, page 6964, 02/03/93]

Thermo Electron Model  43 SO2 Analyzer                                     Automated Equivalent Method: EQSA-0276-009
  "Thermo Electron Model 43 Pulsed Fluorescent SO2 Analyzer," equipped with an aromatic hydrocarbon cutter and operated on a range
  of either 0-0.5 or 0-1.0 ppm, with or without any of the following options:  001  Rack Mounting For Standard 19 Inch Relay Rack; 002
  Automatic Actuation Of Zero And Span Solenoid Valves;  003 Type S Flash Lamp Power Supply; 004 Low Flow.
                    [Federal Register: Vol. 41, page 8531, 02/27/76; Vol. 41, page 15363, 04/12/76; Vol. 42, page 20490, 04/20/77
                                    Vol. 44, page 21861, 04/12/79; Vol. 45, page 2700,  01/14/80; Vol. 45, page 32419, 05/16/80]

Thermo Environmental Instruments, Inc. Models 43A, 43B, 43C, 43i Analyzers  Automated Equivalent Method: EQSA-0486-060
  "Thermo Electron or Thermo Environmental Instruments, Inc. Model 43A or 43B Pulsed Fluorescence SO2 Analyzer," operated on the
  0-0.1 ppm1, the 0-0.2 ppm1, the 0-0.5 ppm, or the 0-1.0  ppm range, with either a high or a low time constant setting (Model 43 A) and
  with or without any of the following options:
   001 Teflon Particulate  Filter            004 High Flow Rate (1 LPM)      007  Remote Activation Of Zero/Span Valves
   002 19" Rack Mounting Configuration   005 Current Output               008 RS-232 Interface  (Model 43B)
   003 Internal Zero/Span Valves          006 Internal Permeation           009  Pressure/Temperature Compensation
                                            Span Source                      (Model 43B)
  "Thermo Environmental Instruments, Inc. Model 43C, Model 43C-TLE, or Model 43i Pulsed Fluorescence SO2 Analyzer," operated
  on any measurement range between 0-50 ppb1 (0-101 ppb for Model TLE) and 0-1000 ppb, with anytime average setting from 10 to 300
  seconds, with temperature and/or pressure compensation on or off,  operated at temperatures between 20 °C and 30 °C, and with or without
  any of the following options:  Teflon particulate filter, 4-20 mA current output or I/O exp ansion bo ard, Rack mounts, Internal permeation
  span source/Permeation  oven, Internal zero/span and sample solenoid valves, High flow rate (0.5-1.0 LPM); Models 43C, 43C-TLE:
  Remote activation of zero/span and sample valves, RS-232/485 interface.        [Federal Register: Vol. 51, page 12390,04/10/86]

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                                        List of Designated Reference and Equivalent Methods, February 01, 2007  Page 12
                                                       OZONE
Beckman Model 950A Ozone Analyzer                                        Automated Reference Method: RFO A-0577-020
  "Beckman Model 950A Ozone Analyzer," operated on a range of 0-0.5 ppm and with the "SLOW" (60 second) response time, with or
  without any of the following options: Internal Ozone Generator; Computer Adaptor Kit; Pure Ethylene Accessory.
                                                                          [Federal Register: Vol. 42, page 28571, 06/03/77]

Bendix or Combustion Engineering Model 8002 Ozone Analyzer                Automated Reference Method: RFOA-0176-007
  "Bendix or Combustion Engineering Model 8002 Ozone Analyzer", operated on the 0-0.5 ppm range, with a 40 second time constant,
  with or without any of the following options: Rack Mounting With Chassis Slides; Rack Mounting Without Chassis Slides; Zero And
  Span Timer; Ethylene/CO2 Blend Reactant Gas. [Federal Register: Vol. 41, page 5145, 02/04/76 and Vol. 45, page 18474, 03/21/80]

Columbia Scientific Industries Model 2000 Ozone Meter                       Automated Reference Method: RFOA-0279-036
  "Columbia Scientific Industries Model 2000 Ozone Meter," when operated on the 0-0.5 ppm range with either AC or battery power:
  The BCA 952 battery charger/AC adapter M952-0002 (115V) orM952-0003 (230V) is required for AC operation; an internal battery
  M952-0006 or 12 volt external battery is required for portable non-AC powered operation.
                                                                          [Federal Register: Vol. 44, page 10429, 02/20/79]

Dasibi Models 1003-AH, 1003-PC, or  1003-RS Ozone Analyzers                Automated Equivalent Method: EQOA-0577-019
  "Dasibi Model 1003-AH, 1003-PC, or 1003-RS Ozone Analyzer," operated on a range of either 0-0.5 or 0-1.0 ppm, with or without any
  of the folio wing options: Adjustable Alarm; Aluminum Coated Absorption Tubes, Integrated Output; Vycor-Jacketed U.V. Source Lamp;
  BCD Digital Output; Rack Mounting Ears And Slides; 0-10 mV, 0-100 mV, 0-1 V, Or 0-10 V; Glass (Pyrex) Absorption Tubes; Teflon-
  based Solenoid Valve; Analog Output.                                      [Federal Register: Vol. 42, page 28571, 06/03/77]

Dasibi Models 1008-AH, 1008-PC, or  1008-RS Ozone Analyzers                Automated Equivalent Method: EQOA-0383-056
  "Dasibi Model 1008-AH, 1008-PC, or 1008-RS Ozone Analyzer," operated on a range of either 0-0.5 or 0-1.0 ppm, with or without any
  of the following options: Aluminum Coated Absorption Tubes; BCD Digital Output; RS232 Interface; Glass (Pyrex) Absorption Tubes;
  Vycor-Jacketed U.V. Source Lamp; Ozone Generator; Teflon-based Solenoid Valve; Photometer Flow Restrictor (2 LPM); 4-20 mA,
  Isolated, Or Dual Analog Outputs; Rack Mounting Brackets Or Slides; 20 Second Update Software.
                                                                          [Federal Register: Vol. 48, page 10126, 03/10/83]

DKK-TOA Corp. Model GUX-113E Ozone Analyzer                          Automated Equivalent Method: EQOA-0200-134
  "DKK-TOA Corporation Models GUX-113E and GUX-113E-1 Ozone Analyzer," operated at any temperature in the range of 15° C to
  35° C, on any ofthe following measurement ranges: 0-0.100 ppm1, 0-0.200 ppm1, 0-0.5 ppm, or  0-1.000 ppm, and with or without the
  optional Internal Ozone Generator.                                         [Federal Register: Vol. 65, page 11308, 03/02/00]

Environics Series 300 Ozone Analyzer                                       Automated Equivalent Method: EQOA-0990-078
  "Environics Series 300 Computerized Ozone Analyzer," operated on the 0-0.5 ppm range, with the following parameters entered into
  the analyzer's computer system: Absorption Coefficient = 308 ± 4; Flush Time = 3; Integration Factor = /; Offset Adjustment = 0.025
  ppm; Ozone Average Time = 4; Signal Average = 0; Temp/Press Correction =  On; and with or without the RS-232 SerialData Interface.
                                                                          [Federal Register: Vol. 55, page 38386,09/18/90]

Environnement S.A. Model O341M UV Ozone Analyzer                       Automated Equivalent Method: EQOA-0895-105
  "Environnement S.A. Model O341M UV Photometric Ozone Analyzer," operated on a full scale range ofO - 500 ppb, at any temperature
  in the range of 15 °C to 35  °C, with the response time set to 50 seconds, and with or without any ofthe following options:   Internal
  Ozone Generator; Span External Control; RS232-422 Serial Interface;  Internal Printer.
                                                                          [Federal Register:  Vol.. 60, page 39382,08/02/95]

Environnement S.A. Model O342M UV Ozone Analyzer                       Automated Equivalent Method: EQOA-0206-148
  "Environnement S.AModelO342M UV Photometric Ozone Analyzer," operated with a full scale range of 0 - 500 ppb, at any temperature
  in the range of 10 °C to 35 °C, with a 5-micron PTFE sample particulate filter, with response time setting of 11 (Automatic response
  time), and with or without any ofthe following options: c) Internal ozone generator, d) Span external control (zero/span solenoid valve).
                                                                          [Federal Register: Vol. 67, page 42557, 06/24/02]

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y~v                                      List of Designated Reference and Equivalent Methods, February 01, 2007  Page 13
^3

Environnement S.A. SANOA Multigas Longpath Monitoring System          Automated Equivalent Method: EQOA-0400-137
  "Environnement S.A. Model SANOA Multigas Longpath Air Quality Monitoring System, consisting of a receiver, one or more
  projectors, interface unit, a user-provided control unit computer running the SANOA VisionAIR software, and associated incidental
  equipment; configured for measuring O3, with the temperature control and internal calibration cell options installed, operated with a
  measurement  range of 0 to 0.5 ppm,  over an installed monitoring path length of between 27 and 500 meters, within an  ambient air
  temperature range of-30 to +45°C, with a measurement (integrating) time of 180 seconds, and with or without external temperature and
  barometric pressure sensors or any of the following options: external (meteo) input connection, series 1M bus connection, OGR type
  projector, analog outputs.  A high-concentration ozone generator, part # 80-231-03, or the SONIMIX 7121B calibration system is
  recommended for calibration or accuracy auditing                             [Federal Register: Vol. 65, page 26603, 05/08/00]

Horiba Instruments Models APOA-360 or APOA-360-CE Ozone Monitor     Automated Equivalent Method: EQOA-0196-112
  "Horiba Instruments, Inc. Model APOA-360 or APOA-360-CE Ambient Ozone Monitor," operated with a full scale range of 0 - 0.50
  ppm, at any temperature in the range of 10°C to 40°C, with a Line Setting of "MEASURE", and an Analog Output of "MOMENTARY
  VALUE", and wither without any of the following options:  1) Rack Mounting Plate and Side Rails 2) RS-232 Communications Port,
  and 3) Optional Internal Zero/Span Check                                   [Federal Register:  Vol. 61, page 11404, 03/20/96]

Horiba Instruments Model APOA-370 Ozone Monitor                        Automated Equivalent Method: EQOA-0506-160
  "Horiba Instruments Incorporated APOA-370 Ambient O3 Monitor," standard specification, operated with a full-scale fixed measurement
  range of 0  - 0.5 ppm, with the automatic range switching off, at any temperature in the range of 20 to 30 °C.
                                                                          [Federal Register:  Vol. 71, page 25587, 05/01/06]

McMillan (MEC) Models 1100-1, 1100-2, and 1100-3 Ozone Meters
  "MEC Model 1100-1 Ozone Meter,"                                          Automated Reference Method: RFOA-1076-014
  "MEC Model 1100-2 Ozone Meter,"                                          Automated Reference Method: RFOA-1076-015
  "MEC Model 1100-3 Ozone Meter,"                                          Automated Reference Method: RFO A-1076-016
  operated on a  0-0.5 ppm range, with or without any of the following options: 0011 Rack Mounting Ears; 0026 Alarm Set Feature; 0012
  Instrument Bail; 0033 Local-Remote  Sample; Zero, Span Kit Blend Feature; 0016 Chassis Slide Kit; 0040 Ethylene/CO2.
                                            [Federal Register: Vol. 41, page 46647, 10/22/76 and Vol. 42, page 30235, 06/13/77]

Meloy Model OA325-2R Ozone Analyzer                                     Automated Reference Method: RFO A-1075-003
  "Meloy Model OA325-2R Ozone Analyzer," operated with a scale range of 0-0.5 ppm, with or without any of the following options:
   0-4  Output Booster Amplifier; 0-18 Rack Mount Conversion;  0-18A Rack Mount Conversion.
                                                                           [Federal Register: Vol.  40, page 54856, 11/26/75]

Meloy Model OA350-2R Ozone Analyzer                                     Automated Reference Method: RFOA-1075-004
  "Meloy Model OA350-2R Ozone Analyzer," operated with a scale range of 0-0.5 ppm,  with or without any of the following options:
   0-2 Automatic Zero And Span;  0-3 Remote Control Zero And Span;  0-4 Output Booster Amplifier;  0-18 Rack Mount Conversion;
   0-18A Rack Mount Conversion.                                             [Federal Register: Vol.  40, page 54856, 11/26/75]

Monitor Labs Model 8410E Ozone Analyzer                                  Automated Reference Method: RFOA-1176-017
  "Monitor Labs Model  8410E Ozone  Analyzer," operated on a range of 0-0.5 ppm with a time constant setting of 5  seconds, with or
  without any of the following options:  DO Status Outputs; EREthylene Regulator Assembly; V TFE Zero/Span Valves;  TF TFE Sample
  Particulate Filter; VT TFE Zero/Span Valves And Timer.                      [Federal Register: Vol.  41, page 53684, 12/08/76]

Monitor Labs/Lear Siegler Model  8810 Ozone Analyzer                      Automated Equivalent Method: EQOA-0881-053
  "Monitor Labs or Lear Siegler Model 8810 Photometric Ozone Analyzer," operated on a range of either 0-0.5 or 0-1.0 ppm, with
  selectable electronic time constant settings from 20 through 150 seconds, with or without any of the following options:  05 Pressure
  Compensation;  06 Averaging Option;  07 Zero/Span Valves; 08 Internal Zero/Span (Valve And Ozone Source);  09  Status; 10
  Particulate Filter;  15 through 20 DAS/REC Output.                           [Federal Register: Vol.  46, page 52224, 10/26/81]

Opsis Model AR 500 and System 300 Open Path Ambient Air
  Monitoring Systems for Ozone                                            Automated Equivalent Method: EQOA-0495-103
  "Opsis Model AR 500 System" or "System 300" Open Path (long path) Ambient Air Monitoring Systems, configured for measuring O3,
  with one detector and moveable grating, operated with a measurement range of 0 to 0.5 ppm, an installed monitoring path length between
  20 and 500 meters (or 20 and 1000 meters with the ER 150 option, AR 500 System only), xenon lamp typeB (150 watt), fiberoptic cable
  length between 3 to 20 meters; operating within an ambient air temperature range of-50  to +50°C, an analyzer temperature range of 20
  to 30 °C, a measurement (integrating) time setting between 30 and 120 seconds (0 min:30 sec. to 2 min:00 sec.), and with a complete cycle
  time of not more than 200 seconds (3  min, 20 sec.). Under this method designation, the  Model AR 500 System or System 300 consists

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y~v                                      List of Designated Reference and Equivalent Methods, February 01, 2007   Page 14
   3

  of: AR 500 opto-analyser; emitter EM 110 and receiver RE 110 (together identified as ER 110); optic fibre cable OF60-S; power supply
  PS 150, OPSIS operational software, version 7.0 or 7.1; and initial on-site installation, setup, and limited operator training.
  Optional components that can be used with the Model AR 500 only, in addition to or as alternative to corresponding components
  listed above: • AR 503 opto-analyzer configured as Model AR 500 (only the center detector active, sequential monitoring)
  • Emitter/receiver ER 150 (for monitoring path lengths up tol kilometer)  • Transceiver ER 130 and Retroreflector RE 090 with 7
  prisms  (max. monitoring path length 150 meters) or 12 prisms (max. monitoring path length 250 meters) • Receiver RE 130 • Optic
  fibre cable OF60-R (low-loss for short wavelengths) • Multiplexers MX 004 and MX 024 • Dataloggers DL 010 and DL 016
  • Analogue and digital input/output cards AO 008, AI 016, and DI 032  • Analogue and digital isolation cards IA 008, ID 008,
  OA 008, and OD 008 • Window heaters HF 110 and HF 150  • Mirror heaters HM 110 and HM 150 • Auto calibration unit CU 007
  • Software packages IO 80 (for the analogue and digital input/output adapters), DL10 and DL16 (for data loggers), ComVision,  and
  STAT 500;
  Recommended calibration and accuracy audit components (or equivalent) for either Model AR 500 or System 300:
  • Wavelength calibration lamp CA 004 • Calibration bench CB 100 • Receiver unit RE 060 (two required) • Calibration unit CA
  150, with same type lamp as used in the monitoring path emitter • Power  supply PS 150 for calibration unit CA 150 • Calibration
  cells CC 001-X, where X represents various cell lengths from 1 to 900 mm  • Special calibration cells CC 110 or CC 150 (for
  mounting directly on receiver) • Ozone generator OC 500  • Light meter LM 010.
                                                                         Federal Register:  Vol. 60, page 21518, 05/02/1995]

PCI Ozone Corporation Model LC-12 Ozone Analyzer                       Automated Equivalent Method: EQOA-0382-055
  "PCI Ozone Corporation Model LC-12 Ozone Analyzer," operated on a range of 0-0.5 ppm.
                                                                           [Federal Register: Vol. 47, page 13572,03/31/82]

Philips PW9771 03 Analyzer                                                Automated Equivalent Method: EQOA-0777-023
  "Philips PW9771 03 Analyzer," consisting of the following components: PW9771/00 03 Monitor with  PW9724/00 Disc.-Set;
  PW9750/00  Supply Cabinet; PW9750/20 Supply Unit operated on a range of 0-0.5  ppm, with or without any of the following
  accessories: PW9732/00 Sampler Line Heater; PW9750/30 Frame For MTT; PW9750/41 Control Clock 60 Hz; PW9733/00 Sampler;
  PW9752/00 Air Sampler Manifold.              [Federal Register: Vol. 42, page 38931, 08/01/77; Vol. 42, page 57156, 11/01/77]

Seres Model OZ 2000 G Ozone Analyzer                                     Automated Equivalent Method: EQOA-0506-161
  "Seres  OZ 2000 G Ozone Ambient Air Analyzer," operated with a full scale range of 0  - 0.5 ppm, at any temperature in the range of
  20 °C to 30 °C, and with or without either of the following options: internal ozone generator, teletransmission interface.2
                                                                          [Federal Register:  Vol. 71, page 25587, 05/01/06]
Teledyne - Advanced Pollution Instrumentation, Inc.  Model 400E;
  Advanced Pollution Instrumentation, Inc. Model 400/400A;
  Teledyne Monitor Labs sensor-e™ Model TML-10  Ozone Analyzers         Automated Equivalent Method: EQOA-0992-087
  "Teledyne - Advanced Pollution Instrumentation, Inc. Model 400E; Advanced Pollution Instrumentation, Inc. Model 400 or 400A; or
  Teledyne Monitor Labs sensor-e™ Model TML-10 Ozone Analyzer;" operated on any full scale range between 0-100 ppb1 and 0-1000
  ppb, with any range mode (Single, Dual, or AutoRange), at any ambient temperature in the range of 5°C to 40°C, and with a TFE filter.
  Models 400E and TML-50: operated with a sample flow  rate of 800 ±80 cmVmin (sea level), with the dilution factor set to 1, with
  Dynamic Zero ON or OFF, with Dynamic Span OFF,  with Temp/Press compensation ON, and with or without any of the following
  options: Internal or external sample pump, Sample/Cal valve option, Internal Zero/Span (IZS), Rack mount with or without slides, 4-20
  mA isolated current loop output. Models 400/400A:  operated with the dynamic zero and span adjustment feature (some Model 400
  units only) set to OFF, and wither without any of the following options: Zero/Span Valve option, Internal Zero/Span (IZS) option, IZS
  ozone generator reference feedback option, standard serial port or Multi-drop RS-232, digital status outputs, analog outputs:  100 mV,
  1 V, 5 V, 10 V, 4-20 mA current loop, optional metal wool ozone scrubber, optional external sample pump, optional 47 mm diameter
  filter, optical bench heater,  rack mount with slides.
  [Federal Register: Vol. 57, page 44565, 09/28/92; Vol. 63, page 31992, 06/11/98; Federal Register: Vol. 67, page 57811, 09/12/02]

Teledyne Monitor Labs/Casella/Ecotech Models ML9810/EC9810, -11,  or -12,
  Teledyne Monitor Labs/Casella/Ecotech Model ML9810B/EC9810B,  or
  Wedding & Associates Model 1010 Ozone Analyzers                        Automated Equivalent Method: EQOA-0193-091
  "Teledyne Monitor Labs,  Casella  Monitor,  or Ecotech  Models  ML9810/EC9810,  ML9811/EC9811, ML9812/EC9812, or
  ML9810B/EC9810B or Wedding &  Associates, Inc. Model 1010 Ozone Analyzers," operated on any full scale range between 0-0.05
  ppm1 and 0-1.0 ppm, at any temperature in the range of 15°C to 35°C, with the service switch on the secondary panel set to the In
  position; with the following menu choices selected:  Range: 0.05 ppm to  1.0 ppm; Over-ranging: Enabled or Disabled; Calibration:
  Manual or Timed; Diagnostic Mode: Operate; Filter Type: Kalman; Pres/Temp/FlowComp: On; SpanComp: Disabled; and as follows:
  Models ML9810/EC9810, -9811, and -9812 - with a five-micron Teflon® filter element installed internally, with the 50-pin I/O board
  installed on the rear panel configured at any of the following output range  settings: Voltage, 0.1 V, 1 V, 5 V, 10 V; Current, 0-20 mA,
  2-20 mA, 4-20 mA; and with or without any of the  following options: Valve Assembly for External Zero/Span (EZS); Rack Mount

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   3

  Assembly; Internal Floppy Disk Drive. Models ML9810B/EC9810B and 1010 - with either a vendor-supplied or equivalent user-
  supplied five micron Teflon® filter and exhaust pump, and with or without any of the following options: Valve Assembly for External
  Zero/Span (EZS); Rack Mount Assembly; 50-pin I/O board; Internal Zero/Span Assembly (IZS); hinged, fold-down front panel.
                                                                            [Federal Register: Vol. 58, page 6964, 02/03/93]

Thermo Electron/Thermo Environmental Instruments Models 49, 49C, 49i     Automated Equivalent Method: EQOA-0880-047
  "Thermo  Electron or Thermo  Environmental Instruments, Inc. Model 49 U.V. Photometric Ambient O3 Analyzer" operated on a
  measurement range of either 0-0.5 orO-1.0 ppm with or without any of the following options: 49-001 Teflon Particulate Filter; 49-002
  19 Inch Rack Mount;  49-100 Internal Ozone Generator for Zero, Precision, and Level 1 Span Check; 49-103 Internal Ozone Generator
  for Zero,  Precision, and Level  1 Span Checks With Remote Activation; 49-488  GPIB (General Purpose Interface Bus) IEEE-488.
  "Thermo  Electron or Thermo Environmental Instruments, Inc. Model 49C or 49z'U.V. Photometric Ambient O3 Analyzer" operated on
  any measurement range between 0-0.051 to 1.0 ppm, with any time  average setting between 10 and 300 seconds, with the temperature
  and/or pressure compensation on or  off, within a temperature range of 20 °C to 30 °C, with or without any of the following options: 2
  Teflon particulate filter, Internal Zero Air Scrubber, Internal  Ozonator with remote activation, Rack mounts; Model 49C: Internal
  Ozonator, Carrying Handle, 4-20 mA current output, RS-232 Interface, RS-485 Interface; Model 49i: I/O expansion board.
                                                                           [Federal Register: Vol.  45, page 57168, 08/27/80]
                                                CARBON MONOXIDE
Beckman Model 866 CO Monitoring System                                  Automated Reference Method: RFCA-0876-012
  "Beckman Model 866 Ambient CO Monitoring System," consisting of the following components: Pump/Sample-Handling Module; Gas
  Control Panel; Model 865-17 Analyzer Unit; Automatic Zero/Span Stand ardizer; operated with a 0-50 ppm range, a 13 second electronic
  response time, with or without any of the following options: Current Output Feature; Bench Mounting Kit; Linearizer Circuit.
                                                                           [Federal Register: Vol. 41, page 36245, 08/27/76]

Bendix/Combustion Engineering Model 8501-5CA CO Analyzer                Automated Reference Method: RFCA-0276-008
  "Bendix or Combustion Engineering Model 8501-5CA Infrared CO Analyzer", operated on the 0-50 ppm range and with a time constant
  setting between 5 and 16 seconds, with or without any of the following options: Rack Mounting With Chassis Slides; Rack Mounting
  Without Chassis Slides; External Sample Pump.                                [Federal Register: Vol. 41, page 7450, 02/18/76]

Dasibi Model 3003 CO Analyzer                                             Automated Reference Method: RFCA-0381-051
  "Dasibi Model 3003 Gas  Filter Correlation Dasibi Environmental  CO Analyzer," operated on the 0-50 ppm range, with a sample
  particulate filter installed on the sample inlet line, with or without any of the following options:
   3-001 Rack Mount             3-003 BCD Digital Output 3-007 Zero/Span Module Panel
   3-002 Remote Zero And  Span   3-004 4-20 Milliamp Output                 [Federal Register: Vol. 46, page 20773, 04/07/81]

Dasibi Model 3008 CO Analyzer                                             Automated Reference Method: RFCA-0488-067
  "Dasibi Model 3008 Gas Filter Correlation CO Analyzer," operated on the 0-50 ppm range, with a time constant setting of 60 seconds,
  a particulate filter installed in the analyzer sample inlet line, with or without use of the auto zero or auto zero/span feature, and with or
  without any of the following options:  N-0056-A RS-232-C Interface; S-0132-A Rack Mounting Slides; Z-0176-S Rack Mounting
  Brackets.                                                                 [Federal Register: Vol. 53, page 12073,04/12/88]

Environnement S.A. Model CO11M CO  Analyzer                             Automated Reference Method: RFCA-0995-108
  "Environnement S.A. Model  CO11M Ambient Carbon Monoxide Analyzer,"  operated on a full scale range of 0 - 50 ppm, at any
  temperature in the range of 1 5  °C  to 35  °C, with a 5-micron PTFE sample particulate filter, with the following software  settings:
  Automatic response time ON; Minimum response time set to 40 seconds (RT 1 3); Automatic ZERO-REF cycle programmed every 24
  hours; and with or without any of the following options:   RS232-422  Serial Interface; Internal Printer.
                                                                           [Federal Register:  Vol. 60, page 54684, 10/25/95]

Environnement S.A. Model CO12M CO  Analyzer                             Automated Reference Method: RFCA-0206-147
  "Environnement S.A Model CO12M Gas  Filter Correlation Carbon Monoxide Analyzer," operated with a full scale range of 0 - 50 ppm,
  at any temperature in the range of 10 °C to 35 °C, with a 5-micron PTFE sample particulate filter, with response time ON, and with the
  automatic "ZERO-REF" cycle either ON or OFF.2                            [Federal Register:  Vol. 67, page 42557, 06/24/02]

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CO
List of Designated Reference and Equivalent Methods, February 01, 2007  Page 16
Horiba Models AQM-10, AQM-11, or AQM12 CO Monitoring Systems         Automated Reference Method: RFCA-1278-033
  "Horiba Models AQM-10, AQM-11, or AQM12 Ambient CO Monitoring Systems," operated on the 0-50 ppm range, with a response
  time setting of 15.5 seconds, with or without any of the following options: AIC-101 Automatic Indication Corrector; VIT-3 Non-Isolated
  Current Output; ISO-2 And DCS-3 Isolated Current Output.                    [Federal Register: Vol. 43, page 58429, 12/14/78]

Horiba Model APMA-300E CO Monitoring System                            Automated Reference Method: RFCA-1180-048
  "Horiba Model APMA-300E Ambient Carbon Monoxide Monitoring System," operated on the 0-20 ppm1, the 0-50 ppm, or the 0-100
  ppm range with a time constant switch setting of No. 5.  The monitoring system may be operated at temperatures between 10°C and40°C.
  (This method was originally designated as "Horiba Model APMA 300E/300SE Ambient Carbon Monoxide Monitoring System".)
                                                                           [Federal Register: Vol. 45, page 72774, 11/03/80]

Horiba Models APMA-360 or APMA-360-CE CO Monitor                     Automated Reference Method: RFCA-0895-106
  "Horiba Instruments Incorporated, Models APMA-360 or APMA-360-CE Ambient Carbon Monoxide Monitor," operated on the 0-50
  ppm range, with the Line Setting set to "MEASURE", with  the Analog Output set to "MOMENTARY VALUE", and with or without
  the following options:2  1) Rack Mounting Plate and Side Rails  2) RS-232 Com Port.
                                                                           [Federal Register: Vol. 60, page 39382, 08/02/95]

Horiba Model APMA-370 CO Monitor                                       Automated Reference Method: RFCA-0506-158
  "Horiba Instruments Incorporated Model APMA-370 Ambient CO Monitor," operated with a full scale fixed measurement range of 0 - 50
  ppm, with the automatic range  switching off, at any environmental temperature in the range of 20 °C to 30 °C.
                                                                          [Federal Register: Vol. 71, page 25587, 05/01/06]

MASS-CO, Model 1 CO  Analyzer                                            Automated Reference Method: RFCA-1280-050
  "MASS-CO, Model 1  Carbon Monoxide Analyzer," operated on a range of 0-50 ppm, with automatic zero and span adjustments at time
  intervals not to exceed 4 hours, with or with out the  100 millivolt and 5 volt output options. The method consists of the following
  components: (1) Infra-2 (Uras 2) Infrared Analyzer Model 5611-200-35, (2) Automatic Calibrator Model 5869-111, (3) Electric Gas
  Cooler Model 7865-222 or equivalent with prehumidifier, (4) Diaphragm Pump Model 5861-214 or equivalent, (5) Membrane Filter
  Model  5862-111 or equivalent,  (6) Flow Meter Model SK  1171-U or equivalent,  (7) Recorder Model Mini  Comp DN 1/192 or
  equivalent. NOTE: This method is notnow commercially available.             [Federal Register: Vol. 45, page 81650, 12/11/80]

Monitor  Labs Model 8310 CO Analyzer                                      Automated Reference Method: RFCA-0979-041
  "Monitor Labs Model 8310 CO Analyzer," operated on the  0-50 ppm range, with a sample inlet filter,  with or without any of the
  following options:      02A Zero/Span Valves   04B Pump (50 Hz)        07A Zero/Span Valve Power Supply
                        03A Floor Stand         05A CO Regulator        08A Calibration Valves
                        04A Pump (60 Hz)      06A CO Cylinder         9A,B,C,D Input Power Transformer
                                            [Federal Register: Vol. 44, page 54545,09/20/79 and Vol. 45, page 2700, 01/14/80]

Monitor  Labs/Lear Siegler Model 8830 CO Analyzer                          Automated Reference Method: RFCA-0388-066
  "Monitor Labs or Lear Siegler Model 8830 CO Analyzer,"  operated on the 0-50 ppm range, with a five micron Teflon filter  element
  installed in the rear-panel  filter assembly, with or without any of the following options:  2 - Zero/Span Valve Assembly; 3 - Rack
  Assembly; 4 - Slide Assembly; 7 - 230 VAC, 50/60 Hz.                        [Federal Register: Vol. 53, page 7233, 03/07/88]

MSA/LIRA Model 202S  CO Analyzer System                                 Automated Reference Method: RFCA-0177-018
  "LIRA Model 202S Air Quality Carbon  Monoxide Analyzer System," consisting of a  LIRA Model 202S optical bench (P/N 459839),
  a regenerative dryer (P/N 464084), and rack-mounted sampling system; operated on a 0-50 ppm range, with the slow response amplifier,
  with or without any of the following options: Remote Meter; Remote Zero And Span Controls; 0-1,5, 20, Or 50 mA  Output; 1-5, 4-20,
  Or 10-50 mA Output; 0-10 Or 100 mV Output; 0-1, 5, Or 10 Volt Output.         [Federal Register: Vol. 42, page 5748,01/31/77]

Teledyne Advanced Pollution Instrumentation, Inc. Models 300  or 300E  or
  Teledyne Monitor Labs sensor-e™ Model TML-30 CO Analyzer             Automated Reference Method: RFCA-1093-093
  "Teledyne Advanced Pollution Instrumentation, Inc. Models 300 or 300E, or Teledyne Monitor Labs, Inc.  sensor-e™ Model TML-30
  Gas Filter Correlation Carbon Monoxide Analyzer," operated on any full scale range between 0-10 ppm and 0-50 ppm, at any temperature
  in the range of 15°C to  35°C for Model 300 or 10°C to 40°C for Models 300E and TML-30, with a 5-micron TFE filter  element
  installed in the filter assembly, with  the  dynamic zero and span adjustment set to Off for Model 300, and with or without any of the
  following options : Option 50, Zero/Span  Valves with pressurized span gas and shutoff valve;  Option 51, Zero/Span Valves with
  pressurized span gas and shutoffvalve and InternalZero Air Generator; Option 5 2, Zero/Span Valves; Option 53, Zero/Span Valves with
  Internal Zero Air Generator; Rack Mount with slides; RS-232 serial port with status outputs; and (for Models 300E and TML-30) 4-20
  mA isolated outputs.                                                       [Federal Register: Vol. 58, page 58166, 10/29/93]

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                                        List of Designated Reference and Equivalent Methods, February 01, 2007   Page 17


Teledyne Monitor Labs/Casella/Ecotech Model ML9830/EC9830/EC9830T,     Automated Reference Method: RFCA-0992-088
  Teledyne Monitor Labs/Casella/Ecotech Model ML9830B/EC9830B, or Wedding & Associates Model 1020 CO Analyzers
  "Teledyne Monitor Labs, Casella Monitor, or Ecotech Models ML9830/EC9830 or ML9830B/EC9830B, Ecotech Model EC9830T,
  or Wedding & Associates, Inc. Model 1020 Carbon Monoxide Analyzer," operated on any full scale range between 0-5.0 ppm1 and 0-100
  ppm, at any temperature in the range of 15°C to 35°C, with the service switch on the secondary panel set to the In position, with the
  following menu choices selected: Range: 5.0 ppm to 100.0 ppm; Over-ranging: Enabled or Disabled; Background: Not Disabled;
  Calibration: Manual or Timed; Diagnostic Mode: Operate; Filter Type: Kalman; Pres/Temp/Flow Comp: On; Span Comp: Disabled;
  and as follows: Model ML9830/EC9830/EC9830T: with a five-micron Teflon® filter element installed internally, with the 50-pin I/O
  board installed on the rear panel configured at any of the following output range settings: Voltage, 0.1 V, 1 V, 5 V, 10 V; Current, 0-20
  mA, 2-20 mA and 4-20 mA; and with or without any of the following options: Valve Assembly for External Zero/Span (EZS); Valve
  Assembly for Internal Zero/Span (IZS); Rack Mount Assembly; Internal Floppy Disk Drive. Models ML9830B/EC9830B and 1020:
  with either a vendor-supplied or equivalent user-supplied five micron Teflon® filter and exhaust pump, and with or without any of the
  folio wing options: Valve Assembly for External Zero/Span (EZS); 50-pin I/O board; Rack Mount Assembly; High Pressure Span Valve;
  hinged, fold-down front panel.                                             [Federal Register: Vol. 57, page 44565, 09/28/92]

Thermo Electron/Thermo Environmental Instruments Models 48,  48C, 48i      Automated Reference Method: RFCA-0981-054
  "Thermo Electron or Thermo  Environmental Instruments, Inc. Model 48 Gas Filter Correlation Ambient CO Analyzer," operated on
  the 0-50 ppm range, with a time constant setting of 30 seconds, with or without any of the  following options:
    48-001  Teflon Particulate Filter                       48-010   Internal Zero Air Package
    48-002  19 Inch Rack Mount                          48-488   GPIB (General Purpose Interface Bus) EEEE-488
    48-003  Internal Zero/Span Valves with Remote Activation
  "Thermo Electron or Thermo Environmental Instruments,  Inc. Models 48C or 48z Gas  Filter Correlation Ambient CO Analyzer,"
  operated on any measurement range between 0-1 ppm1 and 0-100 ppm, with any averaging time setting  from 10 to 300 seconds, with
  temperature  and/or pressure compensation on or off, operated at temperatures between 20 °C  and 30 °C, with or without  any of the
  following options:  Teflon particulate filter, Internal zero air scrubber, I/O Expansion board; Model 48C: Carrying handle, 4-20 mA
  current output, Rack mounts, RS-232 interface, Internal zero/span and sample/calibration  solenoid valves, RS-485 interface, Internal
  zero/span and sample/calibration solenoid valves with remote I/O activation.     [Federal Register: Vol. 46, page 47002, 09/23/81]
                                                NITROGEN  DIOXIDE
Sodium Arsenite Method for NO2                                                Manual Equivalent Method: EQN-1277-026
  "Sodium Arsenite Method for the Determination of Nitrogen Dioxide in the Atmosphere."
                                                                           [Federal Register: Vol. 42, page 62971, 12/14/77]

Sodium Arsenite Method for NO2 - Technicon II                                  Manual Equivalent Method: EQN-1277-027
  "Sodium Arsenite Method for the Determination of Nitrogen Dioxide in the Atmosphere-Technicon II Automated Analysis System."
                                                                           [Federal Register: Vol. 42, page 62971, 12/14/77]

TGS-ANSA Method for NO2                                                    Manual Equivalent Method: EQN-1277-028
  "TGS-ANSA Method for the Determination of Nitrogen Dioxide in the Atmosphere."
                                                                           [Federal Register: Vol. 42, page 62971, 12/14/77]

Advanced Pollution Instrumentation, Inc. Model 200 NO2 Analyzer             Automated Reference Method: RFNA-0691-082
  "Advanced Pollution Instrumentation, Inc. Mode 1200 Nitrogen Oxides Analyzer," operated on a range of either 0-0.5 or 0-1.0 ppm, with
  a 5-micron TFE filter element installed in the rear-panel filter assembly, with either a user- or vendor-supplied vacuum pump capable
  of providing 5 inches mercury absolute pressure at 5 slpm, with either a user- or vendor-supplied dry air source capable of providing
  air at a dew point of 0°C or lower, with the following settings of the adjustable setup variables:
   Adaptive Filter = On                   PMT Temperature Set Point = 15°C               Normal Filter Size = 12 samples
   Dwell Time = 7 seconds               Rate of Change(ROC) Threshold = 10%            Dynamic Span = Off
   Sample Time = 8 seconds              Reaction Cell Temperature = 50°C                 Dynamic Zero = Off
  and with or without any of the following options:
   180 Stainless  Steel Valves             283 Internal Zero/Span With Valves (IZS)          356 Level One Spares Kit
   184 Pump Pack                        325 RS-232/Status Output                        357 Level Two Spares Kit
   280 Rack Mount With Slides           355 Expendables                        PE5 Permeation Tube for IZS
                                                                           [Federal Register: Vol. 56, page 27014, 06/12/91]

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List of Designated Reference and Equivalent Methods, February 01, 2007   Page 18
Beckman Model 952-A NO/NO2/NOX Analyzer                                Automated Reference Method: RFNA-0179-034
  "Beckman Model 952-A NO/NO2/NOX Analyzer," operated on the 0-0.5 ppm range with the 5-micron Teflon sample filter (Beckman
  P/N 861072 supplied with the analyzer) installed on the sample inlet line, with or without the Remote Operation Option (Beckman No.
  635539).                                                                  [Federal Register: Vol. 44, page 7806, 02/07/79]

Bendix Model 8101-B Oxides of Nitrogen Analyzer                            Automated Reference Method: RFNA-0479-038
  "Bendix Model 8101-B Oxides of Nitrogen Analyzer," operated on a 0-0.5 ppm range with a Teflon sample filter installed on the sample
  inlet line and with the  following post-manufacture modifications: 1) Ozone generator and reaction chamber input-output tubing
  modification per Bendix Service Bulletin 8101B-2; 2) The approved converter material; 3) The revised and EPA-approved operation
  and service manual.  These items are mandatory and must be obtained from ABB Process Analytics. The analyzermay be operated with
  or without any of the following optional modifications: a. PermaPure dryer/ambient air modification; b. Valve cycle time modification;
  c. Zero potentiometer centering modification per Bendix Service Bulletin 8101B-1; d. Reaction chamber vacuum gauge modification.
                                                                           [Federal Register: Vol.  44, page 26792, 05/07/79]

Bendix/Combustion Engineering Model 8101-C Oxides of Nitrogen Analyzer    Automated Reference Method: RFNA-0777-022
  "Bendix or Combustion Engineering Model 8101-C Oxides of Nitrogen Analyzer," operated on a 0-0.5 ppm range with a Teflon sample
  filter (Bendix P/N 007163) installed on the sample inlet line.                    [Federal Register: Vol.  42, page 37435, 07/21/77]

Columbia Scientific Industries Models 1600 and 5600 Analyzers                Automated Reference Method: RFNA-0977-025
  "CSI Model 1600 Oxides of Nitrogen Analyzer,"  operated on a 0-0.5 ppm range with a Teflon sample filter (CSI P/N M951-8023)
  installed on the sample inlet line, with or without any of the following options:
    951-0103 Rack Ears                                    951-0114 Recorder Output, 5  V
    951-0104 Rack Mounting Kit (Ears &  Slides)              951-0115 External Pump (115 V, 60 Hz)
    951-0106 Current Output, 4-20 mA (Non-Insulated)        951-8072 Molybdenum Converter  Assembly   (Horizontal)
    951-0108 Diagnostic Output Option                      951-8074 Copper Converter Assembly (Horizontal)
    951-0111 Recorder Output, 10 V                        951-8079 Copper Converter Assembly (Vertical)
    951-0112 Remote Zero/Span Sample Control              951-8085 Molybdenum  Converter Assembly (Vertical)
  NOTE: The vertical molybdenum converter assembly is standard on all new analyzers as of 1-1-87; however,  use of any of the other
  converter assemblies is optional. Also, the above  options  reflect new CSI part numbers.
  "CSI Model 5600 Oxides of Nitrogen Analyzer," operated on a 0-0.5 ppm range, with any signal integration time in the range of 20 to
  99 seconds, with a Teflon sample filter (CSI P/N M951-8023) installed on the sample inlet line, and with or without any of the following
  options: 954-0121 - Status Contacts; 964-0126 - Printer; 954-0131 - Rack Mounting Kit (ears  and slides); 954-0122 - Input Solenoids;
  954-8024 - Cartridge Dryer; 964-0012 - Single Headed Pump - Gast; 954-0125 - Current Output, 4-20 mA; 951-0115 - Single Headed
  Pump - KNF                                                              [Federal Register: Vol.  42, page 46574, 09/16/77]

Dasibi Model 2108 Oxides of Nitrogen Analyzer                               Automated Reference Method: RFNA-1192-089
  "Dasibi Model 2108 Oxides of Nitrogen Analyzer," operated on the 0-5 00 ppb range, with software revision 3.6 installed in the analyzer,
  with the auto thumbwheel switch and the diag thumbwheel switch settings at 0, with the following internal  CPU dip switch settings:
	switch   	position	function
                1               open (down)             Recorder outputs are NO & NO2
                5               open (down)             3 minute time constant
                6               closed (up)              3 minute time constant;
  with a 5-micron Teflon filter element installed in the filter holder, and with or without any of the following options:
   Built-in Permeation Oven      Rack Mounting           Three-Channel  Recorder Output
   RS-232 Interface              4-20 mA Output                            [Federal Register: Vol.  57, page 55530,11/25/92]

DKK-TO A Corporation Model GLN-114E Nitrogen Oxides Analyzer          Automated Reference Method: RFNA-0798-121
  "DKK-TOA Corporation Models GLN-114E and GLN-114E-1 Nitrogen Oxides Analyzer," operated within a temperature range of 20
  to 30 degrees C, on  any of the following measurement ranges:  0-0.0501, 0-0.1001, 0-0.2001,  0-0.500, and 0-1.000 ppm,  and with or
  without the optional Internal zero air supply and permeation tube oven.2         [Federal Register:  Vol.  63, page 41253, 08/03/98]

Environnement S. A. Model AC31M NO2 Analyzer                            Automated Reference Method: RFNA-0795-104
  "Environnement S. A. Model AC31M Chemiluminescent Nitrogen  Oxide Analyzer,"  operated with a full scale range of 0 - 500 ppb,
  at any temperature in the range of 15°C to 35 °C, with a 5-micron PTFE sample particulate filter, with the following software settings:
  Automatic response time ON; Minimum response  time set to 60 seconds (RT ^ 2); and  with or without any of the following options:2
  Internal Permeation  Oven; Connection for Silica Gel Dryer; RS232-422 interface; EV3  valve; Internal Printer.
                                                                          [Federal Register:  Vol.  60, page 38326, 07/26/95]

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List of Designated Reference and Equivalent Methods, February 01, 2007  Page 19
Environnement S. A. Model AC32M NO2 Analyzer                           Automated Reference Method: RFNA-0202-146
  "Environnement S. A. Model AC32M Chemiluminescent Nitrogen Oxides Analyzer," operated with a full scale range of 0 - 500 ppb,
  at any temperature in the range of 10°C to 35°C, with a 5-micron PTFE sampleparticulate filter, with response time setting 11 (automatic
  response time), and with or without the following option: Internal permeation oven.
                                                                          [Federal Register: Vol. 67, page 15567, 04/02/02]

Environnement S.A. SANOA Multigas Longpath Monitoring System           Automated Reference Method: EQNA-0400-139
  "Environnement S.A. Model  SANOA Multigas Longpath Air Quality Monitoring System," consisting of a receiver,  one  or more
  projectors, interface unit, a user-provided control unit computer running the SANOA VisionAIR software, and associated incidental
  equipment; configured for measuring NO2, with the temperature control and internal calibration cell options installed, operated with a
  measurement  range of 0 to 0.5 ppm, over an installed monitoring path length of between 27 and 500 meters, within an ambient air
  temperature range of-30 to +45°C, with a measurement (integrating) time of 180 seconds, and with or without external temperature and
  barometric pressure sensors or any of the following options: external (meteo)  input connection, series 1M bus connection, OGR type
  projector, analog outputs.                                                  [Federal Register: Vol. 65, page 26603, 05/08/00]

Horiba Instruments Models APNA-360 or APNA-360-CE NO-NO2-NOxMonitorAutomated Reference Method: RFNA-0196-111
  "Horiba Instruments, Inc. Models APNA-360 or APNA-360-CE Ambient NO-NO2-NOX Monitor," operated with a full scale  range of
  0 - 0.50 or 0 - 1.0 ppm, at any temperature in the range of 10 °C to 40 °C, with a Line Setting of "MEASURE", and an Analog Output
  of "MOMENTARY  VALUE", and with or without the following options:2  1)  Rack Mounting Plate and Side Rails  2)  RS-232
  Communications Port.                                                    [Federal Register: Vol. 61, page 11404, 03/20/96]

Horiba Instruments Model APNA-370 NO2 Monitor                           Automated Reference Method: RFNA-0506-157
  "Horiba Instruments  Incorporated Model APNA-370  Ambient NOX Monitor," standard specification, operated with a full scale fixed
  measurement  range of 0 - 0.50 ppm with the automatic range switching off, at any ambient temperature in the range of 20 °C to 30 °C,
  and with a 0.3 micrometer sample particulate  filter installed.                    [Federal Register: Vol. 71, page 25587, 05/01/06]

Meloy Model NA530R Nitrogen Oxides Analyzer                              Automated Reference Method: RFNA-1078-031
  "Meloy Model NA530R Nitrogen Oxides Analyzer," operated on the following ranges and time constant switch positions:
   Range, ppm:                   0-0.ij	0-0.25J	0-0.5	0-1.0
   Time Constant Setting:          4              3 or 4                   2,3, or 4         2,3, or 4
  Operation of the analyzer requires an external vacuum pump, either Meloy Option N-10 or an equivalent pump capable of maintaining
  a vacuum of 200 torr (22 inches mercury vacuum) or better at the pump connection at the specified sample and ozone-air flow rates of
  1200 and 200  cmVmin, respectively. The analyzer may be operated at temperatures between 10°C and40°C and at line voltages between
  105 and 1 30 volts, with or without any of the following options:  N-1A Automatic Zero And Span; N-2 Vacuum Gauge; N-4 Digital
  Panel Meter; N-6 Remote Control For Zero And Span; N-6B Remote Zero/Span Control And Status (Pulse); N-6C Remote Zero/Span
  Control And Status (Timer); N-9 Manual Zero/Span; N-10 Vacuum Pump Assembly (See Alternate Requirement Above); N-ll Auto
  Ranging;  N-14B Line Transmitter; N-18  Rack Mount Conversion;  N-ISA Rack Mount Conversion.
                                            [Federal Register: Vol. 43, page 50733, 10/31/78 and Vol. 44, page 8327, 02/09/79]

Monitor Labs Model 8440E Nitrogen Oxides Analyzer                         Automated Reference Method: RFNA-0677-021
  "Monitor Labs Model 8440 E Nitrogen Oxides Analyzer," operated on a 0-0.5 ppm range (position 2 of range  switch) with a time constant
  setting of 20 seconds, with or without any of the following options:
  TF-Sample Particulate Filter      DO-Status Outputs      018A-Ozone Dry Air     Ol 8B-Ozone Dry Air - No Drierite
  With TFE Filter Element          R- Rack Mount         V-  Zero/Span Valves     FM-Flow meters
                  [Federal Register: Vol. 42, page 37434, 07/21/77; Vol. 42, page 46575, 09/16/77; Vol. 46, page 29986, 06/04/81]

Monitor Labs/Lear Siegler Model 8840 Nitrogen Oxides Analyzer               Automated Reference Method: RFNA-0280-042
  "Monitor Labs or Lear Siegler Model 8840 Nitrogen Oxides Analyzer," operated on a range of either 0-0.5 or 0-1.0 ppm, with an internal
  time constant  setting  of 60 seconds, a TFE sample filter installed on the sample inlet line, with or without any of the following options:
  02  Flowmeter         08A Pump Pac Assembly With 09A (11 5 VAC)             Oil A Recorder Output 1  Volt
  03A Rack Ears         08B Pump Pac Assembly With 09B (100 VAC)             01 IB Recorder Output 100 mV
  03B Slides             08C Pump Pac Assembly With 09C (220/240 VAC)          011C Recorder Output 10 mV
  05A Zero/Span Valves  08D Rack Mount Panel Assembly                          012A DAS  Output 1 Volt
  05B Valve/Relay       09A Pump 115 VAC 50/60 Hz                            012B DAS  Output 100 mV
  06  Status              09B Pump 100 VAC 50/60 Hz                             012C DAS  Output 10 mV
  07A Input Power Transformer 100 VAC, 50/60 Hz 09C Pump 220/240 VAC  50 Hz    013A Ozone Dry Air
  07B Input Power Transformer 220/240 VAC 50 Hz                                013B Ozone Dry Air - No Drierite
                                            [Federal Register: Vol. 45, page 9100, 02/11/80 and Vol. 46, page 29986, 06/04/81]

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List of Designated Reference and Equivalent Methods, February 01, 2007  Page 20
Monitor Labs/Lear Siegler Model 8841 Nitrogen Oxides Analyzer               Automated Reference Method: RFNA-0991-083
  "Monitor Labs or Lear Siegler Model 8841 Nitrogen Oxides Analyzer," operated on the 0-0.05 ppm1, 0-0.1 ppm1, 0-0.2 ppm1, 0 - 0.5
  ppm, or 0-1.0 ppm range, with manufacturer-supplied vacuum pump or alternative user-supplied vacuum pump capable of providing 200
  torr or better absolute vacuum while operating with the analyzer.                  [Federal Register: Vol. 56, page 47473, 9/19/91]

Opsis Model AR 500 and System 300 Open Path Ambient Air
  Monitoring Systems for NO2                                               Automated Equivalent Method: EQNA-0495-102
  "Opsis Model AR 500 System" or "System 300" Open Path (long path) Ambient Air Monitoring Systems, configured formeasuringNO2,
  with one detector and movable grating, operated with a measurement range of 0 to 0.5 ppm, an installed monitoring path length between
  50  and 500  meters (or 50 and  1000 meters with the ER 150 option, AR 500 System only), xenon lamp type B (150 watt), fiber optic
  cable length between 3 and 20 meters; operating within an ambient air temperature range of -50 to +50 °C, an analyzer temperature range
  of 20 to 30° C, a measurement (integrating) time setting between 30 and 120 seconds (0 min:30 sec. to 2min:00 sec.), and with a complete
  cycle time of not more than 200 seconds (3 min, 20 sec.). Under this method designation, the Model AR 500 System or System 300
  consists of:  AR 500 opto-analyser; emitter EM  110 and receiver RE 110  (together identified as ER 110); optic fibre cable OF60-S;
  power supply PS 1 50; OPSIS operational software, version 7.0 or 7.1; and initial on-site installation, setup, and limited operator training.
  Optional components that can be used with the Model AR 500 only, in addition to or as alternative to corresponding components
  listed above: • AR 503  opto-analyzer configured as Model AR 500 (only the center detector active,  sequential monitoring)
  • Emitter/receiver ER 150 (for monitoring path lengths up to 1 kilometer)  • Transceiver ER 130 and Retroreflector RE 090 with 7
  prisms (max. monitoring path length 150 meters) or 12 prisms (max. monitoring path length 250 meters) • Receiver RE 130
  • Xenon lamp type A (higher short-wavelength UV output) • Optic fibre cable OF60-R (low-loss for short wavelengths)
  • Multiplexers  MX 004 and MX 024 • Dataloggers DL 010 and  DL 016 • Analogue and digital input/output cards AO 008, AI 016,
  and DI 032  • Analogue and digital isolation cards IA 008, ID 008, OA 008, and OD 008 • Window heaters  HF 110 and HF 150
  • Mirror heaters HM 110 and HM 150 • Auto calibration unit CU 007  • Software packages IO 80 (for the analogue and digital
  input/output  adapters), DL10 and DL16 (for data loggers), ComVision, and STAT 500;
  Recommended calibration and accuracy audit components (or equivalent) for either Model AR 500 or System 300:
  • Wavelength calibration lamp  CA 004  • Calibration bench CB 100 • Receiver unit RE 060  (two required)  • Calibration unit CA
  150, with same type lamp as used in the monitoring path emitter   • Power supply PS 150 for calibration unit CA 150  • Calibration
  cells CC 001-X, where X represents various cell lengths from 1 to 900 mm • Filter GG 400  • Special calibration cells CC 110 or
  CC 150 (for  mounting directly on receiver) • Light meter LM 010              [Federal Register:  Vol. 60, page 21518, 05/02/95]

Philips Model PW9762/02 NO/NO2/NOX Analyzer                              Automated Reference Method: RFNA-0879-040
  "Philips Model PW9762/02 NO/NO2/NOX Analyzer," consisting of the following components: PW9762/02 Basic Analyzer; PW9729/00
  Converter Cartridge; PW9731/00 Sampler or PW9731/20 Dust Filter;  operated on a range of 0-0.5 ppm, with or without any of the
  following accessories: PW9752/00 Air Sampler Manifold; PW9732/00 Sample Line Heater;  PW9011/00 Remote Control Set.
                                                                           [Federal Register: Vol. 44, page 51683,09/04/79]

Seres Model NOX 2000 G Nitrogen Dioxide Analyzer                            Automated Reference Method: RFNA-0706-163
  "Seres Model NOX2000 G Nitrogen Dioxide Ambient  Air Analyzer," operated with a full scale measurement range of 1 - 0.50 ppm, at
  any ambient  temperature in the range of20°C to 30 °C.                        [Federal Register: Vol. 71, page 42089,07/25/06]

SIR S.A. Model  S-5012 Nitrogen Oxides Analyzer                              Automated Reference Method: RFNA-0804-152
  SIR S.A. Model S-5012 Chemiluminescent Nitrogen Oxides Analyzer, operated with a full scale range of 0 - 500 ppb, at any temperature
  in the range of 20°C to 30 °C,  with the integration time set to 1 minute, with the "initial zero" disabled,  and with a specified Teflon
  particulate filter installed in the sample inlet filter holder.2                     [Federal Register: Vol. 69, page 47924, 08/06/04]

Teledyne - Advanced Pollution Instrumentation, Inc. Models 200A, 200AU, 200E; Automated Reference Method: RFNA-1194-099
Teledyne Analytical Instruments Model 9110A; or Teledyne Monitor Labs sensor-e™ Model TML-41 NO2 Analyzers
  "Teledyne - Advanced Pollution Instrumentation, Inc. Models 200A, 200AU, 9110A, or 200E; Teledyne Analytical Instruments Model
  9110A; or Teledyne Monitor Labs, Inc. sensor-e™ Model TML-41 Chemiluminescence Nitrogen Oxides Analyzer," operated on any
  full scale range between 0-0.05 ppm and 0-1.0 ppm, withaPTFE filter element installed in the internal filter assembly, with the folio wing
  software settings: dynamic zero: OFF or ON; dynamic  span: OFF; cal-on-NO2: OFF; dilution factor: OFF or set to 1.0; autocal: ON or
  OFF; independent range: ON or OFF; autorange: ON or OFF; temperature/pressure compensation: ON; and with or without any of the
  following options (if available): rack mounts with or without slides, rack mount for external pump, zero/span valves, 4-20 mA analog
  outputs, status  outputs, RS-232 output. Models 200A, 200E2, and TML-41 only: operated at any temperature in the range of 5 °C to
  40 °C, with either a user- or vendor-supplied vacuum pump capable of providing an absolute pressure of 10 inches mercury or less at
  2 slpm, with or without  optional internal zero/span (IZS) and permeation tubes  for IZS, gold-plated reaction  chamber, orNafion-type
  sample gas conditioner, ethernet output, control input, RS-485 output.  Model 200AU only:  operated at any temperature in the range
  of 20 °C to 30  °C, with  either a user- or vendor-supplied vacuum pump capable of providing  an absolute pressure of 4 inches mercury
  or less at  1 slpm.                                                           [Federal Register: Vol. 59, page 61892,12/02/94]

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TVT/~V      T TTI A TV                 List of Designated Reference and Equivalent Methods, February 01,2007  Page 21


Teledyne Monitor Labs/Casella/Ecotech Models ML9841,                     Automated Reference Method: RFNA-1292-090
  ML9841A/EC9841A/EC9841T, Teledyne Monitor Labs/Casella/Ecotech Model ML9841B/EC9841B,
  or Wedding & Associates Model 1030 NO2 Analyzers
  "Teledyne Monitor Labs, Casella Monitor, or Ecotech Models ML9841, ML9841A/EC9841 A, or ML9841B/EC9 841B, Ecotech Model
  9841T, or Wedding & Associates, Inc. Model 1030 Nitrogen Oxides Analyzers," operated on any full scale range between 0-0.05 ppm1
  and 0-1.0 ppm, at any temperature in the range of 15°C to 35°C, with the service switch on the secondary panel set to the In position;
  with the following menu choices selected:  Range:  0.05 ppm to 1.0 ppm; Over-ranging: Enabled or Disabled; Calibration: Manual or
  Timed; Diagnostic Mode: Operate; Filter Type: Kalman; Pres/Temp/Flow Comp: On; Span Comp: Disabled; and as follows: Models
  ML9841, ML9841A/EC9841A, and EC9841T - with a five-micron Teflon® filter element installed internally, with the 50-pin I/O
  board installed on the rearpanel configured at any of the following output range setting: Voltage, 0.1 V, 1 V, 5 V, 10 V; Current, 0-20
  mA, 2-20 mA, 4-20 mA;  and with or without any of the following options: Valve Assembly for  External Zero/Span (EZS); Internal
  Zero/Span (IZS) Assembly for; Rack Mount Assembly; Internal Floppy Disk Drive. Models ML9841B/EC9841B and 1030 - with a
  vendor-supplied or equivalent user-supplied five-micron Teflon® filter and exhaust pump, and with or without any of the following
  options:  Valve Assembly for External Zero/Span (EZS); 50-pin I/O board; Internal Zero/Span (IZS) Assembly; Rack Mount Assembly;
  Charcoal exhaust scrubber; hinged, fold-down front panel.                     [Federal Register: Vol. 57, page 60198, 12/18/92]

Thermo Electron/Thermo Environmental Instruments Model 14 B/E            Automated Reference Method: RFNA-0179-035
  "Thermo Electron or Thermo Environmental Instruments, Inc.  Model 14 B/E Chemiluminescent NO/NO2/NOX Analyzer," operated on
  the 0-0.5 ppm range, with or without any of the following options:
   14-001 Teflon Particulate Filter 14-003 Long-Time Signal Integrator                14-005 Sample Flowmeter
   14-002 Voltage Divider Card   14-004 Indicating Temperature Controller           14-006 Air Filter
                                            [Federal Register: Vol. 44, page 7805, 02/07/79  and Vol.44, page 54545, 09/20/79]

Thermo Electron/Thermo Environmental Instruments Model 14 D/E           Automated Reference Method:  RFNA-0279-037
  "Thermo Electron or Thermo Environmental Instruments, Inc.  Model 14 D/E Chemiluminescent NO/NO2/NOX Analyzer," operated on
  the 0-0.5 ppm range, with or without any of the following options:  14-001 Teflon Particulate Filter; 14-002 Voltage Divider Card.
                                                                          [Federal Register: Vol. 44, page 10429, 02/20/79]

Thermo Environmental Instruments Models 42, 42C, 42i NO/NO2/NOX Analyzer Automated Reference Method: RFNA-1289-074
  "Thermo Environmental Instruments Inc. Model 42, Model 42C, or Model 42z ChemiluminescenceNO-NO2-NOx Analyzer," operated
  on any measurement range between 0-50 ppb1  and 0-1000 ppb, with any time average setting from  10 to 300 seconds, with temperature
  and/or pressure compensation on or off, operated  at temperatures  between 15  °C  and 35 °C,  and with or without an exhaust ozone
  scrubber or any of the following options:  Rack mounts; Internal Zero/span and sample valves with remote activation; Ozone particulate
  filter; Teflon particulate filter; Ozone permeation dryer; Permeation  Oven;  RS-232/485 interface, 4-20 mA current output,  or I/O
  expansion board; Model 42 only: Pressure transducer, Sample/ozone flow meters.
                                                                          [Federal Register: Vol. 54, page 50820, 12/11/89]
                                                        LEAD
Reference Method for Lead                                        Manual Reference Method: 40 CFR Part 50, Appendix G
  Reference Method for the Determination of Lead in Suspended Particulate Matter Collected from Ambient Air.
                                                                          [Federal Register: Vol. 43, page 46258, 10/05/78]

Energy-Dispersive X-Ray Fluorescence Spectrometry (TNRCC)                   Manual Equivalent Method: EQL-0783-058
  "Determination of Lead Concentration in Ambient Particulate Matter by Energy-Dispersive X-Ray Fluorescence Spectrometry (Texas
  Natural Resource Conservation Commission)" Texas Natural Resource Conservation Commission, P.O. Box 13087, Austin, TX 78711-
  3087.                                                                   [Federal Register: Vol. 48, page 29742, 06/28/83]

Energy-Dispersive X-Ray Fluorescence Spectrometry (NEA, Inc.)                  Manual Equivalent Method: EQL-0589-072
  "Determination of Lead Concentration in Ambient Particulate Matter by Energy-Dispersive X-Ray Fluorescence Spectrometry (NEA,
  Inc.)" Nuclear Environmental Analysis, Inc., Suite 260, 10950 SW 5th Street, Beaverton,  OR 97005.
                                                                          [Federal Register: Vol. 54, page 20193,05/10/89]

Flame Atomic Absorption Spectrometry                                         Manual Equivalent Method: EQL-0380-043
  "Determination of Lead Concentration in Ambient Particulate Matter by Flame Atomic Absorption Spectrometry Following Ultrasonic
                                                                           Federal Register: Vol. 45, page 14648, 03/06/80]

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LEAD
List of Designated Reference and Equivalent Methods, February 01, 2007   Page 22
Flameless Atomic Absorption Spectrometry (EPA/RTP, N.C.)                      Manual Equivalent Method: EQL-0380-044
  "Determination of Lead Concentration in Ambient Particulate Matter by Flameless Atomic Absorption Spectrometry (EPA/RTP, N.C.)"
                                                                          [Federal Register: Vol. 45, page 14648,03/06/80]

Flameless (Graphite Furnace) Atomic Absorption (Houston, Texas)                 Manual Equivalent Method: EQL-0895-107
  "Determination of Lead Concentration in Ambient Particulate Matter by Flameless (Graphite Furnace) Atomic Absorption (City of
  Houston, Texas)." Health and Human Services Department, Environmental Chemistry Service, 1115  S. Braeswood, Houston, TX
  77030.                                                                  [Federal Register:  Vol. 60, page 39383, 08/02/95]

Flameless Atomic Absorption Spectrometry (Omaha)                              Manual Equivalent Method: EQL-0785-059
  "Determination of Lead Concentration in Ambient Particulate Matter by Flameless Atomic Absorption Spectrometry (Omaha-Douglas
  County Health Department)" Omaha-Douglas County Health Department, 1819 Farnam Street, Omaha, NE 68183.
                                                                          [Federal Register: Vol. 50, page 37909,09/18/85]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (Doe Run)      Manual Equivalent Method: EQL-0196-113
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (Doe Run Co.)" Doe Run Company, Smelting  Division, 881 Main Street Herculaneum, MO 63048
                                                                          [Federal Register: Vol. 61, page 11404,03/20/96]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (EPA/RTP)     Manual Equivalent Method: EQL-0380-045
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (EPA/RTP, N.C.)"                                            [Federal Register: Vol. 45, page 14648, 03/06/80]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (IL)            Manual Equivalent Method: EQL-1193-094
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (State of Illinois)."  State of Illinois, Environmental Protection Agency, Champaign Inorganic Laboratory, 2120 South
  First Street, Champaign, IL 61820                                          [Federal Register: Vol. 58, page 61902, 11/23/93]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (Kansas)        Manual Equivalent Method: EQL-0592-085
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (State of Kansas)"  State of Kansas, Department of Health  and Environment, Forbes Field, Building 740, Topeka,  KS
  66620-0001.                                                             [Federal Register: Vol. 57, page 20823, 05/15/92]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (Montana)      Manual Equivalent Method: EQL-0483-057
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (State of Montana)". State of Montana, Department of Health and Environmental Sciences, Cogswell Building, Helena,
  MT 59620.                                                              [Federal Register: Vol. 48, page 14748, 04/05/83]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (NETI)         Manual Equivalent Method: EQL-1188-069
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (Northern Engineering and Testing, Inc.)" Northern Engineering and Testing, Inc., P.O. Box 30615, Billings, MT 59107.
                                                                          [Federal Register: Vol. 53, page 44947, 11/07/88]

Inductively Coupled Argon Plasm a-Optical Emission Spectrometry (NH)           Manual Equivalent Method: EQL-1290-080
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (State of New Hampshire)"  State of New Hampshire, Department of Environmental Services, Laboratory Service Unit,
  6 Hazen Drive (P.O. Box 95), Concord, NH 03302-0095.                      [Federal Register: Vol. 55, page 49119, 11/26/90]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (PA)            Manual Equivalent Method: EQL-0592-086
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (Commonwealth of Pennsylvania)" Commonwealth of Pennsylvania, Department of Environmental Resources, P.O. Box
  2357, Harrisburg, PA  17105-2357.                                          [Federal Register: Vol. 57, page 20823, 05/15/92]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (Pima, AZ)      Manual Equivalent Method: EQL-0995-109
  "Determination of Lead Concentration in Ambient Particulate  Matter  by Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (Pima County, Arizona)."  Pima  County, Wastewater Management Department, 201 North Stone Avenue, Tucson,
  Arizona 85701-1207.                                                      [Federal Register:  Vol. 60, page 54684, 10/25/95]

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LEAD
List of Designated Reference and Equivalent Methods, February 01, 2007   Page 23
Inductively Coupled Argon Plasma-Mass Spectrometry (Pima Co., AZ)             Manual Equivalent Method: EQL-0995-110
  "Determination of Lead Concentration in Ambient Participate Matter by Inductively Coupled Plasma-Mass Spectrometry (Pima County,
  Arizona)." Pima County, Wastewater Management Department, 201 North Stone Avenue, Tucson, Arizona 85701-1207.
                                                                          [Federal Register:  Vol. 60, page 54684, 10/25/95]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (RI)            Manual Equivalent Method: EQL-0888-068
  "Determination of  Lead Concentration  in Ambient Particulate Matter by  Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (State of Rhode Island),"  State of Rhode Island Department of Health, Air Pollution Laboratory,  50 Orms  Street,
  Providence, RI 02904                                                      [Federal Register: Vol. 53, page 30866,08/16/88]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (Silver Valley)   Manual Equivalent Method: EQL-1288-070
  "Determination of  Lead Concentration  in Ambient Particulate Matter by  Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (Silver Valley Laboratories)," Silver Valley Laboratories, Inc., P.O. Box 929, Kellogg, ID 83837.
                                                                           [Federal Register: Vol. 53, page 48974, 12/05/88]

Inductively Coupled Argon Plasma-Atomic Emission Spectrometry (TNRCC)       Manual Equivalent Method: EQL-0400-140
  "Determination of Lead Concentration  in Ambient Particulate Matter by  Inductively  Coupled Argon  Plasma-Atomic Emission
  Spectrometry (TNRCC),"  Texas Natural Resource Conservation Commission Lab oratory, 5144 E. Sam Houston Parkway N., Houston,
  TX 77030.                                                                  [Federal Register: Vol.  65, page 26603, 5/8/00]

Inductively Coupled Argon Plasma-Optical Emission Spectrometry (WV)           Manual Equivalent Method: EQL-0694-096
  "Determination of  Lead Concentration  in Ambient Particulate Matter by  Inductively  Coupled Argon  Plasma-Optical Emission
  Spectrometry (State of West Virginia)." State of West Virginia, Department of Commerce, Labor and Environmental Resources,
  Division of Environmental Protection,  1558 Washington Street East, Charleston, WV  25311-2599
                                                                           [Federal Register: Vol. 59, page 29429, 06/07/94]

Wavelength Dispersive X-Ray Fluorescence Spectrometry (CA)                     Manual Equivalent Method: EQL-0581-052
  "Determination of Lead Concentration in Ambient Particulate Matter by Wavelength Dispersive X-Ray Fluorescence Spectrometry"
  California Department of Health Services, Air & Industrial Hygiene Laboratory, 2151  Berkeley Way, Berkeley, CA 94704.
                                                                           [Federal Register: Vol. 46, page 29986, 06/04/81]
    NOTES
1  Users should be aware that designation of this analyzer for operation on ranges less than the range specified in the performance
specifications for this analyzer (40 CFR 53, Subpart B) is based on meeting the same absolute performance specifications required for the
specified range.  Thus, designation of these lower ranges does not imply commensurably better performance than that obtained on the
specified range.

  This analyzer is approved for use, with proper factory configuration, on either 50 or 60 Hertz line frequency and nominal power line
voltages of 115 Vac and 230 Vac.

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                                               List of Designated Reference and Equivalent Methods, February 01, 2007   Page 24
                       Sources or Contacts for Designated Reference and Equivalent Methods
ABB Process Analytics
P.O. Box 831
Lewisburg,WV 24901
(304) 647^358
Advanced Pollution Instrumentation, Inc.
[Refer to Teledyne - Advanced Pollution
  Instrumentation, Inc.]
Andersen Instruments
[Refer to Thermo Fisher Scientific, Inc."
ASARCO Incorporated
3422 South 700 West
Salt Lake City, UT 84119
(801) 262-2459
Beckman Instruments, Inc.
Process Instruments Division
2500 Harbor Blvd.
Fullerton, CA  92634
(714)87M848
Bendix
[Refer to ABB Process Analytics]
BGI Incorporated
58 Guinan Street
Waltham, MA 02451
(781)891-9380
www.bgiusa.com (bgiinc@attglobal.net)
Casella Monitor Europe
Bedlay View, Tannochside Park
Uddingston, Glasgow, Scotland, G71 5PE
www.casellagroup.com
Ecotech Pty. Ltd.
12 Apollo Court
Blackburn, Victoria, 3130, Australia
+61 398942399
www.ecotech.com.au
American Ecotech L.C.
49 Barnsdale Road
East Providence, RI 02914
(401)569-0399
www.AmericanEcotech.com
Environnement S.A
111, bd Robespierre
78300 Poissy, France
www.environnement-sa.com
Instruments also available from:
Altech/Environnement U.S.A.
2623 Kaneville Court
Geneva, IL 60134
(630) 262- 4400
Environics, Inc.
69 Industrial Park Rd. E.
Tolland, CT 06084-2805
(203) 429-0077
www.environics.com
                                                Graseby GMW
                                                [Refer to Thermo Fisher Scientific, Inc.]
Horiba Instruments Incorporated
17671 Armstrong Avenue
Irvine, CA 92714
(800) 446-7422
www.horiba.com
Lear Siegler
[Refer to Teledyne Monitor Labs, Inc.]
Monitor Labs, Inc.
[Refer to Teledyne Monitor Labs, Inc."
New Star Environmental, LLC
3293 Ashburton Chase NE
RoswelLGA 30075
(770) 998-2590
Opsis AB, Furulund, Sweden
Instruments also available from:
Opsis, Inc.
146-148 Sound Beach Avenue
Old Greenwich, CT  06870
(203)698-1810
www.opsis.se
State of Oregon
Department of Environmental Quality
Air Quality Division
811 S.W. Sixth Avenue
Portland, OR 97204
PCI Ozone Corp.
One Fairfield Crescent
West CaldwelL NJ  07006
(201) 575-7052
www.pci-wedeco.com
Phillips Electronic Instruments, Inc.
85 McKee Drive
Mahwah,NJ 07430
Rupprecht & Patashnick Co., Inc.
[Refer to Thermo Fisher Scientific, Inc.]
26 Tech Valley Drive
East Greenbush, NY 12061
(518)452-0065
www.rpco.com
Columbia Scientific Industries
11950 Jollyville Road
Austin, TX  78759
(800)531-5003
Combustion Engineering
[Refer to ABB Process Analytics]
Dasibi Environmental Corp.
[Formerly, 506 Paula Avenue
Glendale,CA 91201
(818) 247-7601
www.dasibi.com ]
Commonwealth of Massachusetts
Department of Environmental
Quality Engineering
Tewksbury, MA 01876
Met One Instruments, Inc.
1600 Washington Blvd.
Grants Pass, OR 97526
(541)471-7111
www.metone.com (metone@metone.com)
McMillan
[Refer to Columbia Scientific Industries]
Sibata Scientific Technology, Ltd.
1-25, 3-chome
Ikenohata, Taito-ku
Tokyo 110,Japan
81-3(3822)2272
TTani@email.msn.com
Seres
360, Rue Louis de Broglie
La Duranne BP 87000
13793 Aix en Provence
Cedex 3 FRANCE
+33 (0)4 42 97 37 37
www.seres-france.com
DKK-TOA Corporation
29-10, 1-Chome, Takadanobaba,
Shinjuku-ku
Tokyo 169-8648, Japan
www.toadkk.co.ip
Mine Safety Appliances
600 Penn Center Blvd.
Pittsburgh, PA  15235-5810
(412)273-5101
SIR S.A. (Sistemas Instalaciones y Redes, S.A.)
Avenida de la Industria, 3
Tres Cantos 28760 Madrid, SPAIN
(+34)91 803 6602
http ://www.sirsa.es

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                                                List of Designated Reference and Equivalent Methods, February 01, 2007   Page 25
Teledyne - Advanced Pollution
  Instrumentation, Inc.
6565 Nancy Ridge Drive
San Diego, CA 92121-2251
(619) 657-9800
www.teledyne-api.com
Teledyne Analytical Instruments
16830 Chestnut Street
City of Industry, CA 91748
(626) 934-1622
Teledyne Monitor Labs, Inc.
74 Inverness Drive East
Englewood, CO  80112-5189
(303) 792-3300
www.teledvne-ml.com
Thermo Electron Corporation
[Refer to Thermo Fisher Scientific, Inc.]
27 Forge Parkway
Franklin, MA 0203 8
(508) 520-0430 / (866) 282-0430
www.thermo.com
Thermo Environmental Instruments, Inc.
[Refer to Thermo Fisher Scientific, Inc.]
www.thermoei.com
Thermo Fisher Scientific, Inc.
81 Wyman Street
Waltham, MA 02454
(781) 622-1000 / (800) 678-5599
www.thermo.com
Tisch Environmental, Inc.
145 S. Miami Avenue
Village of Cleves, OH 45002
(513)467-9000
www.tisch-env.com
URG Corporation
116 Merritt Mill Road
Chapel Hill, NC 27516
(919)942-2753
U.S. EPA
National Exposure Research Laboratory
Human Exposure & Atmospheric
  Sciences Division
Process Modeling Research Branch (MD D205-03)
Research Triangle Park, NC 27711
(919)541-3737
www. epa. go v/heasd
                                                                                                Wedding and Associates, Inc.
                                                                                                [Refer to Thermo Fisher Scientific, Inc.]

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                                               List of Designated Reference and Equivalent Methods, February 01, 2007   Page 26

                U.S. EPA REFERENCE & EQUIVALENT METHODS FOR AMBIENT AIR
                                               Designation
                                                Number
              Method
               Code
SO, ManualMethods
  Reference method (pararosaniline)
  Technicon I (pararosaniline)
  Technicon II (pararosaniline)

SO, Analyzers
  Advanced Pollution Instr. 100
  Advanced Pollution Instr. 100A/100AS
  Asarco 500
  Beckman 953
  Bendix 8303
  Casella ML9850, ML9850B
  Columbia Scientific Industries 5700
  Dasibi4108
  DKK-TOA Corp. GFS-32
  DKK-TOA Corp. GFS-11 2E, GFS-11 2E-1
  Ecotech ML9850/EC9850,  ML9850B/EC9850B
  Ecotech EC9850T
  Environnement S.A AF21M
  Environnement S.A AF22M
  Environnement S.A. SANOA
  Horiba Model APSA-360/APSA-360ACE
  Horiba Model APSA-370
  Lear Siegler AM2020
  Lear Siegler SMI000
  Meloy SA185-2A
  Meloy SA285E
  Meloy SA700
  Monitor Labs 8450
  Monitor Labs or Lear Siegler 8850
  Monitor Labs or Lear Siegler 8850S
  Ops is AR 500, System 300  (open path)
  Philips PW9700
  Philips PW9755
  Teledyne-Advanced Pollution Inst. 100E
  Teledyne Analytical Instruments 6400A
  Teledyne Monitor Labs ML9850, ML9850B
  Teledyne Monitor Labs TML-50
  Thermo  Electron 43
  Thermo  Electron 43 A, 43C-TLE, 43 j
  Thermo  Environmental Instruments 43B, 43C
  Wedding 1040

QI Analyzers
  Advanced Pollution Instr. 400/400A/400E
  Beckman 950A
  Bendix 8002
  Casella ML9810, ML9810B, ML9811, ML9812
  Columbia Scientific Industries 2000
  Dasibil003-AH,-PC, -RS
  Dasibil008-AH,-PC, -RS
  DKK-TOA Corp. GUX-113E, GUX-113E-1
  EcotechML9810/EC9810,  -981 OB, -9811, -9812
  Environics 300
  Environnement SA O341M
  Environnement SA O342M
  Environnement S.A SANOA
  Horiba APOA-360
  Horiba APOA-370
  McMillan 1100-1
  McMillan 1100-2
  McMillan 1100-3
  Meloy OA325-2R
  Meloy OA350-2R
  Monitor Labs 8410E
  Monitor Labs or Lear Siegler 8810
  Ops is AR 500, System 300  (open path)
  PCI Ozone Corp. LC-12
  Philips PW9771
  Seres Model  OZ 2000 G
  Teledyne - Advanced Pollution Instr. 400E
  Teledyne Monitor Labs ML9 810/981 OB,
    ML9811, ML9812
  Teledyne Monitor Labs TML-10
  Thermo  Electron or Thermo
    Environmental Instruments 49, 49C,  49i
  Wedding 1010
EQS-0775-001
EQS-0775-002
097
097
097
EQSA-0990-077
EQSA-0495-100
EQSA-0877-024
EQSA-0678-029
EQSA-1078-030
EQSA-0193-092
EQSA-0494-095
EQSA-1086-061
EQSA-0701-115
EQSA-0100-133
EQSA-0193-092
EQSA-0193-092
EQSA-0292-084
EQSA-0802-149
EQSA-0400-138
EQSA-0197-114
EQSA-0506-159
EQSA-1280-049
EQSA-1275-005
EQSA-1275-006
EQSA-1078-032
EQSA-0580-046
EQSA-0876-013
EQSA-0779-039
EQSA-0390-075
EQSA-0495-101
EQSA-0876-011
EQSA-0676-010
EQSA-0495-100
EQSA-0495-100
EQSA-0193-092
EQSA-0495-100
EQSA-0276-009
EQSA-0486-060
EQSA-0486-060
EQSA-0193-092
077
100
024
029
030
092
095
061
115
133
092
092
084
149
138
114
159
049
005
006
032
046
513
039
075
101
511
010
100
100
092
100
009
060
060
092
EQOA-0992-087
RFOA-0577-020
RFOA-0176-007
EQOA-0193-091
RFOA-0279-036
EQOA-0577-019
EQOA-0383-056
EQOA-0200-134
EQOA-0193-091
EQOA-0990-078
EQOA-0895-105
EQOA-0206-148
EQOA-0400-137
EQOA-0196-112
EQOA-0506-160
RFOA-1076-014
RFOA-1076-015
RFOA-1076-016
RFOA-1075-003
RFOA-1075-004
RFOA-1176-017
EQOA-0881-053
EQOA-0495-103
EQOA-0382-055
EQOA-0777-023
EQOA-0506-161
EQOA-0992-087

EQOA-0193-091
EQOA-0992-087

EQOA-0880-047
EQOA-0193-091
087
020
007
091
036
019
056
134
091
078
105
148
137
112
160
514
515
016
003
004
017
053
103
055
023
161
087

091
087

047
091
CO Analyzers
   Beckman 866
   Bendix 8501-5CA
   Casella ML9830, ML9830B
   Dasibi3003
   Dasibi3008
   Ecotech ML9830/EC9830, ML9830B/EC9830B
   Ecotech EC9830T
   Environnement S.A CO11M
   Environnement S.A CO12M
   Horiba AQM-10, -11, -12
   Horiba 300E/300SE
   Horiba APMA-360
   Horiba APMA-370
   MASS - CO  1 (Massachusetts)
   Monitor Labs 83 10
   Monitor Labs or Lear Siegler 8830
   MSA 202S
   Teledyne Advanced Pollution Instr. 300 orSOOE
   Teledyne Monitor Labs ML9830/9830B,
   Teledyne Monitor Labs TML-30
   Thermo Electron or Thermo
    Environmental Instruments 48, 48C, 48/
   Wedding 1020

NO, ManualMethods
   Sodium arsenite (orifice)
   Sodium arsenite/Technicon II
   TGS-ANSA  (orifice)

NO, Analyzers
   Advanced Pollution Instr. 200
   Advanced Pollution Instr. 200A/200AU
   Beckman 952A
   Bendix 8101-B
   Bendix 8101-C
   Casella ML9841, ML9841A, ML9841B
   Columbia  Scientific Indust.1600, 5600
   Dasibi2108
   DKK-TOA Corp GLN-114E, GLN-114E-1
   EcotechML9841A/EC9841A,ML9841B/EC9841B
   Ecotech EC9841T
   Environnement S.A. AC31M
   Environnement S.A. AC32M
   Environnement S.A. SANOA
   Horiba APNA-3 60
   Horiba APNA-3 70
   Meloy NA530R
   Monitor Labs 8440E
   Monitor Labs or Lear Siegler 8840
   Monitor Labs or Lear Siegler 8841
   Monitor Labs ML9841
   Opsis AR 5 00, System 300 (open path)
   Philips PW9762/02
   Seres Model NO,, 2000 G
   SIR S-5012
   Teledyne-Advanced Pollution Inst. 200E
   Teledyne Analytical Instruments 9110A
   Teledyne Monitor Labs ML9 841, ML9 841 A,
    ML9841B
   Teledyne Monitor Labs TML-41
   Thermo Electron or Thermo
     Environmental Instruments 14B/E
   Thermo Electron or Thermo
     Environmental Instruments 14D/E
   Thermo Environmental Instr. 42, 42C, 42z
   Wedding 1030

Pb ManualMethods
   Reference method (hi-vol/AA spect.)
   Hi-vol/AA spect. (alt. extr.)
   Hi-vol/Energy-disp XRF  (TX ACS)
   Hi-vol/Energy-disp XRF  (NBA)
   Hi-vol/Flameless AA  (EMSL/EPA)
   Hi-vol/Flameless AA  (Houston)
   Hi-vol/Flameless AA  (Omaha)
   Hi-vol/ICAP spect. (Doe  Run Co.)
Designation
Number
RFCA-0876-012
RFCA-0276-008
RFCA-0992-088
RFCA-0381-051
RFCA-0488-067
RFCA-0992-088
RFCA-0992-088
RFCA-0995-108
FRCA-0206-147
RFCA-1278-033
RFCA-1 180-048
RFCA-0895-106
RFCA-0506-158
RFCA-1280-050
RFCA-0979-041
RFCA-0388-066
RFCA-0177-018
RFCA-1093-093
RFCA-0992-088
RFCA-1093-093
RFCA-0981-054
RFCA-0992-088
EQN-1277-026
EQN-1277-027
EQN-1277-028
Method
Code
012
008
088
051
067
088
088
108
147
033
048
106
158
050
041
066
018
093
088
093
054
088
084
084
098
RFNA-0691-082
RFNA-1 194-099
RFNA-0179-034
RFNA-0479-038
RFNA-0777-022
RFNA-1292-090
RFNA-0977-025
RFNA-1 192-089
RFNA-0798-121
RFNA-1292-090
RFNA-1292-090
RFNA-0795-104
RFNA-0202-146
EQNA-0400-139
RFNA-0196-111
RFNA-0506-157
RFNA-1078-031
RFNA-0677-021
RFNA-0280-042
RFNA-0991-083
RFNA-1292-090
EQNA-0495-102
RFNA-0879-040
RFNA-0706-163
RFNA-0804-152
RFNA-1 194-099
RFNA-1 194-099
RFNA-1292-090
RFNA-1 194-099
082
099
034
038
022
090
025
089
121
090
090
104
146
139
111
157
031
021
042
083
090
102
040
163
152
099
099
090
099
RFNA-0179-035

RFNA-0279-037
RFNA-1289-074
RFNA-1292-090
EQL-03 80-043
EQL-0783-058
EQL-0589-072
EQL-0380-044
EQL-0895-107
EQL-0785-059
EQL-0196-113
037
074
090
803
043
058
072
044
107
059
113

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                                                List of Designated Reference and Equivalent Methods, February 01, 2007   Page 27
Pb Manual Methods (cont'd)
   Hi-vol/ICAP sped. (EMSL/EPA)
   Hi-vol/ICAP spect. (Illinois)
   Hi-vol/ICAP spect. (Kansas)
   Hi-vol/ICAP spect. (Montana)
   Hi-vol/ICAP spect. (NE&T)
   Hi-vol/ICAP spect. (New Hampshire)
   Hi-vol/ICAP spect. (Pennsylvania)
   Hi-vol/ICAP-OE spect. (PimaCo.,AZ)
   Hi-vol/ICAP-MS spect. (Pima Co.,AZ)
   Hi-vol/ICAP spect. (Rhode Island)
   Hi-vol/ICAP spect. (Silver Val. Labs)
   Hi-vol/ICAP spect. (TNRCC)
   Hi-vol/ICAP spect. (West Virginia)
   Hi-vol/WL-disp. XRF (CA A&IHL)

PM,„ Samplers
   Andersen Instruments RAAS10-100
   Andersen Instruments RAAS10-200
   Andersen Instruments RAAS10-3 00
   BGI Model PQ100
   BGI Model PQ200
   Ecotech Model 3000 PM,0 High Volume Sampler
   New Star Environmental Model NS-6070
   Oregon DEQ Medium volume sampler
   Rupprecht & Patashnick Partisol 2000
   R & P Partisol-FRM Model 2000
   R & P Partisol-Plus Model 2025 Seq.
   Sierra-Andersen/GMW 1200
   Sierra-Anders en/GMW 321-B
   Sierra-Andersen/GMW 321-C
   Sierra-Andersen/GMW 241 Dichot.
   Tisch Environmental Model TE-6070
   W&A/Thermo Electron Mod 600 HVL

PM ln Analyzers
   Andersen Instruments FH62I-N Beta
   DKK-TOA FPM-222/222C/223/223C
   DKK-TOA DUB-222(S)/223(S)
   Environnement S.A. MP101M Beta
   Met One BAM 1020, GBAM1020,
    BAM1020-1, GBAM1020-1 Beta
   R&P TEOM 1400, 1400a
   Thermo Andersen Series FH 62 C14 Beta Monitor
   W&A/Thermo Electron 650 Beta Gauge

PM,, Samplers
   AndersenModelRAAS2.5-200 Audit
   BGIPQ200/200A
   BGI PQ200-VSCC or PQ200A-VSCC
   BGI PQ200-VSCC or PQ200A-VSCC
   Graseby Andersen RAAS2.5-100
   Graseby Andersen RAAS2.5-300
   R& P Partisol-FRM 2000PM-2.5
   R&P Partisol-FRM 2000 PM-2.5 FEM
   R&P Partisol-FRM 2000 PM-2.5 FEM
   R& P Partisol 2000 PM-2.5 Audit
   R& P Partisol 2000 PM-2.5 FEM Audit
   R& P Partisol 2000 PM-2.5 FEM Audit
   R&P Partisol-Plus 2025 PM-2.5 Seq.
   R&P Partisol-Plus 2025 PM-2.5 FEM Seq.
   R&P Partisol-Plus 2025 PM-2.5 FEM Seq.
   Thermo Electron RAAS2.5-100 FEM
   Thermo Electron RAAS2.5-100 FEM
   Thermo Electron RAAS2.5-200 FEM
   Thermo Electron RAAS2.5-200 FEM
   Thermo Electron RAAS2.5-300 FEM
   Thermo Electron RAAS2.5-300 FEM
   Thermo Environmental Model 605 CAPS
   URG-MASS100
   URG-MASS300
IENCE & EQUIVALENT METHODS FOR AMBIENT AIR
Designation Method Designation Method
Number Code Method Number Code



















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EQL-0380-045
EQL-1 193-094
EQL-0592-085
EQL-0483-057
EQL-1 188-069
EQL-1290-080
EQL-0592-086
EQL-0995-109
EQL-0995-110
EQL-0888-068
EQL-1288-070
EQL-0400-140
EQL-0694-096
EQL-0581-052
RFPS-0699-130
RFPS-0699-131
RFPS-0699-132
RFPS-1298-124
RFPS-1298-125
RFPS-0706-162
RFPS-0202-141
RFPS-0389-071
RFPS-0694-098
RFPS-1298-126
RFPS-1298-127
RFPS-1287-063
RFPS-1287-064
RFPS-1287-065
RFPS-0789-073
RFPS-0202-141
RFPS-1087-062
EQPM-0990-076
EQPM-0905-156
EQPM-0905-156
EQPM-0404-151
EQPM-0798-122
EQPM-1090-079
EQPM-1102-150
EQPM-0391-081
RFPS-0299-128
RFPS-0498-116
EQPM-0202-142
RFPS-0498-116
RFPS-0598-119
RFPS-0598-120
RFPS-0498-117
EQPM-0202-143
RFPS-0498-117
RFPS-0499-129
EQPM-0202-144
RFPS-0499-129
RFPS-0498-118
EQPM-0202-145
RFPS-0498-118
EQPM-0804-153
RFPS-0598-119
EQPM-0804-154
RFPS-0299-128
EQPM-0804-155
RFPS-0598-120
RFPS-1098-123
RFPS-0400-135
RFPS-0400-136
045
094
085
057
069
080
086
109
110
068
070
140
096
052
130
131
132
124
125
162
141
071
098
126
127
063
064
065
073
141
062
076
156
156
151
122
079
150
081
128
116
142
116
119
120
117
143
117
129
144
129
118
145
118
153
119
154
128
155
120
123
135
136
TSP Manual Method
   Reference method (high-volume)

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