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EPA Approved Instruments and Methods For PM 10
EPA Approved Instruments and Methods For PM 10

These are the methods for analysis of environmental monitoring and environmental analysis instruments approved by EPA. Below are the instruments that should be always used for environmental analysis and monitoring. Other than these instrument used for analysis should always be approval from EPA for their functionality. As these methods and instruments are approved from US EPA.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

NATIONAL EXPOSURE RESEARCH LABORATORY

EXPOSURE METHODS AND MEASUREMENT DIVISION (MD-D205-03)

Research Triangle Park, NC 27711

DESIGNATED REFERENCE AND EQUIVALENT METHODS

Issue Date: December 17, 2016

These methods for measuring ambient concentrations of specified air pollutants 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.)

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.

 List of Designated Reference and Equivalent Methods, December 17, 2016

Particulate Matter - TSP

Reference Method for TSP

Manual Reference Method: 40 CFR Part 50, Appendix B

Reference Method for the Determination of Suspended Particulate Matter in the Atmosphere (High-Volume Method)

Federal Register: Vol. 47, page 54912, 12/06/82 and Vol. 48, page 17355, 04/22/1983

Particulate Matter  PM10

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 a continuous 24-hour sample period at a flow rate of 16.67 Lpm, 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. Federal Register: Vol. 64, page 33481, 06/23/1999.

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-19, configured as a PM10 reference method, and operated for a continuous 24-hour sample period at a flow rate of 16.67 Lpm, 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. Federal Register: Vol. 64, page 33481, 06/23/1999

Andersen Model RAAS10-300 PM10 Multi Channel PM10 Sampler

Manual Reference Method: RFPS-0699-132

“Andersen Instruments, Incorporated Model RAAS10-300 Multi Channel 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-19, configured as a PM10 reference method, and operated for a continuous 24-hour sample period at a flow rate of 16.67 Lpm, and in accordance with the Model RAAS105-300 Operator’s Manual and with the requirements and sample collection filters specified in 40 CFR Part 50, Appendix J. Federal Register: Vol. 64, page 33481, 06/23/1999

BGI Incorporated Model PQ100 Air Sampler

Manual Reference Method: RFPS-1298-124

“BGI Incorporated or Mesa Laboratories 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 a continuous 24-hour sample period at a flow rate of 16.7 Lpm, with original firmware Version 5.X and lower or new firmware version 6.0 and higher, operated in accordance with the original Model PQ100 Instruction Manual or manual revision Version 7.0, as appropriate, and with the requirements specified in 40 CFR Part 50, Appendix J, 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, 12/17/1998. Latest modification: 01/2009; 6/2015

BGI Incorporated Model PQ200 Air Sampler

Manual Reference Method: RFPS-1298-125

“BGI Incorporated or Mesa Laboratories 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-19, configured as a PM10 reference method, and operated for a continuous 24-hour sample period in accordance with the Model PQ200 Instruction Manual and with the requirements specifiedin 40 CFR Part 50, Appendix J, and with or without the optional Solar Panel Power Supply. Federal Register: Vol. 63, page 69625, 12/17/1998. Latest modification: 6/2015

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) Particulate 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 or without any of the following options: Auto Check and Serial Recorder. Federal Register: Vol. 70, page 56684, 09/28/2005.

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 m3/min (67.8 m3/hour).

Federal Register: Vol. 71, page 42089, 07/25/2006

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 ug/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, 4/8/2004

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, 12/01/1987 and Vol. 53, page 1062, 01/15/1988

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 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, 12/01/1987 and Vol. 53, page 1062, 01/15/1988

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, 12/01/1987 and Vol. 53, page 1062, 01/15/1988

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 µm inlet or the louvered inlet specified in 40 CFR 50 Appendix L, Figs. L-2 thru L-19, 2.5 µm virtual impactor assembly, 37 mm coarse and fine particulate filter holders, and tripod mount; Control Module with diaphragm vacuum pump, pneumatic constant flow controller, total and coarse 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, 07/27/1989

Graseby Andersen/GMW Model FH621-N Beta Monitor

Automated Equivalent Method: EQPM-0990-076

“Andersen Instruments Model FH62I-N PM10 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 Lpm) 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: FH0P1 Indoor Cabinet; FH0P2 Outdoor Shelter Assembly. Federal Register: Vol. 55, page 38387, 09/18/1990

Met One or Sibata Models BAM/GBAM 1020, BAM/GBAM 1020-1, Horiba APDA-371, or Ecotech Spirant BAM1000

Automated Equivalent Method: EQPM-0798-122

“Met One Instruments or Sibata Scientific Technology Models BAM 1020, GBAM 1020, BAM 1020-1, GBAM 1020-1, Horiba APDA-371 PM10 Beta Attenuation Monitor, or Ecotech Spirant BAM1000” including the BX-802 EPA PM10 inlet (or alternative louvered PM10 inlet meeting 40 CFR 50 Appendix L specifications), 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 moisture between 35% and 45% and no ΔT 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, BX-970 touch-screen display with USB interface. For software (firmware) versions V3.0 or higher, a user-selectable measurement time (COUNT TIME) of 4, 6, 8 or 10 minutes selected, along with appropriate sample time (BAM SAMPLE) setting of 50, 46, 42 or 38 minutes, respectively, to maintain a 60-minute measurement cycle. For software (firmware) versions V3.5 or higher, user-selectable option to sample under actual conditions (Flow Type: ACTUAL) and report under standard conditions (Reporting: STD), which requires the use of P/N BX-592 external temperature sensor or P/N BX-596 external temperature/barometric pressure sensor. The user may also sample under standard conditions (Flow Type: STD) and report under standard conditions (Reporting: STD) with any software/firmware 2.0 or higher. Instrument must be operated in accordance with the appropriate instrument manual. Federal Register: Vol. 63, page 41253, 08/03/1998 Latest modifications: 06/2009; 07/2010; 8/2010; 8/2012

Met One Instruments, Inc. E-BAM PLUS Beta Attenuation Mass Monitor- PM10 FEM Configuration

Automated Equivalent Method: EQPM-1215-226

“Met One Instruments, Inc. E-BAM PLUS Beta Attenuation Mass Monitor – PM10 FEM Configuration,” configured for 24 1-hour average measurements of PM10 by beta attenuation, using a glass fiber filter tape roll (460130 or 460180), a sample flow rate of 16.67 liters/min, with the standard (BX-802) EPA PM10 inlet (meeting 40 CFR 50 Appendix L specifications) and equipped with 9250 ambient temperature sensor. Instrument must be operated in accordance with the E-BAM PLUS Particulate Monitor operation manual, revision 1 or later. This designation applies to PM10 measurements only. Federal Register: Vol. 81, page 4294, 01/26/2016

Met One Instruments, Inc. E-FRM– PM10

Manual Reference Method: RFPS-0216-231

“Met One Instruments, Inc. E-FRM,” configured for filter sampling of ambient particulate matter using the US EPA PM10 inlet specified in 40 CFR 50 Appendix L, Figs. L-2 thru L-19, with a flow rate of 16.67 L/min, using 47 mm PTFE membrane filter media, and operating with firmware version R2.0.1 and later, and operated in accordance with the Met One E-FRM PM10 operating manual. This designation applies to PM10 measurements only. Federal Register: Vol. 81, page 25397, 04/28/2016

Opsis Model SM200 PM10 Monitor Automated Equivalent Method: EQPM-0810-193

“Opsis Model SM200 Monitor,” beta gauge semi-continuous ambient particulate monitor operated for 24 hours at a flow rate  of 16.67 Lpm between 5° and 40°C using 47 mm PTFE membrane filter media, in the mass measurement range of 0 to 60 mg, configured with a BGI Model SSI25 PM10 inlet meeting criteria specified in 40 CFR 50 Appendix L, with a roof mounting kit, and with or without an inlet tube heater (as recommended based on site RH conditions), according to the SM200 User’s Guide. Federal Register: Vol. 75, page 51039, 08/18/2010

Oregon DEQ Medium Volume PM10 Sampler Manual Reference Method: RFPS-0389-071

“Oregon DEQ Medium Volume PM10 Sampler.” NOTE: This method is no longer commercially available. Federal Register: Vol. 54, page 12273, 03/24/1989

Teledyne Model 602 BetaPLUS Particle Measurement System or SWAM 5a Dual Channel Monitor

Automated Equivalent Method: EQPM-0912-205

“Teledyne Model 602 BetaPLUS Particle Measurement System” or “SWAM 5a Dual Channel Monitor” configured for 1-hour measurements of PM10 by beta attenuation on a single sampling line (Line A or B, but not both together), with the standard, louvered US EPA PM10 size selective inlet specified in 40 CFR 50 Appendix L, using 47 mm glass fiber filters, at a sample flow set to 16.67 liters/min and software version 05-02.07.63 or later. Operated in accordance with the Teledyne Model 602 BetaPLUS Particle Measurement System Operation Manual. Federal Register: Vol. 77, page 60985, 10/5/2012

Teledyne Advanced Pollution Instrumentation Model T640 PM mass monitor with 640X option

Automatic Equivalent Method: EQPM–0516–239

‘‘Teledyne Advanced Pollution Instrumentation Model T640 PM mass monitor with 640X option,’’ continuous ambient particulate monitor operated at a volumetric flow rate of 16.67 Lpm, equipped with the louvered PM10 inlet specified in 40 CFR 50 Appendix L, Figs. L–2 thru L–19, TAPI aerosol sample conditioner (P/N: 081040000), configured for operation with firmware version 1.0.2.126 or later, in accordance with the Teledyne Model T640 Operations Manual. This designation applies to PM10 measurements only. Federal Register: Vol. 81, page 45285, 07/13/2016

Thermo Andersen Series FH 62 C14 Continuous PM10 Monitor

Thermo Scientific Model 5014i Beta (5014i Beta), Continuous Ambient Particulate Monitor Automated Equivalent Method: EQPM-1102-150 “Thermo Andersen Series FH 62 C14 Continuous PM10 Ambient Particulate Monitor and Thermo Scientific Model 5014i Beta (5014i Beta), Continuous Ambient Particulate Monitor,” operated for 24-hour average measurements, with the specified 10- micron EPA PM10 inlet (or alternative louvered PM10 inlet meeting 40 CFR 50 Appendix L specifications), 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 operated with software version 1.07. Operated, calibrated and serviced according to the appropriate Operator Manual. Federal Register: Vol. 67, page 76174, 12/11/2002

Latest modifications: 07/2009; 12/2012

Thermo Scientific or Rupprecht & Patashnick Partisol® Model 2000 Air Sampler

Manual Reference Method: RFPS-0694-098

“Thermo Scientific Partisol® 2000 Air Sampler” or “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 PM10 inlet and operated for continuous 24-hour sampling period using the Basic, Manual, Time, Analog Input, or Serial Input programming modes, and with or without any of the following options: PM2.5-style filter cassette holder; louvered inlet specified in 40 CFR 50 Appendix L, Figs. L-2 thru L-19 in lieu of standard inlet; 57-002320 Stand for Hub or Satellite; 59-002542 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; 57-002526-0001 Sample 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, 07/11/1994

Thermo Scientific Partisol® 2000-D Dichotomous Air Sampler or Thermo Fisher Scientific Partisol® 2000i-D Dichotomous Air Sampler

Manual Equivalent Method: EQPS-0311-197

“Thermo Scientific Partisol® 2000-D Dichotomous Air Sampler” or “Thermo Fisher Scientific Partisol® 2000i-D Dichotomous Air Sampler,” configured for dual-filter, single-event sampling of fine (PM2.5) and coarse (PM10-2.5) particles, operated with a U.S. EPA PM10 inlet and using a virtual impactor to separate fine and coarse PM into two samples for collection on two separate filter membranes, for a 24-hour sampling period and in accordance with the Partisol® 2000-D or Partisol® 2000i-D instruction manual, as appropriate. Partisol® 2000i-D operated with firmware version 2.0 or greater. Federal Register: Vol. 76, page 15974, 03/22/2011. Latest modification: 06/2011

Thermo Scientific Partisol® 2000-FRM PM10 Air Sampler or Thermo Fisher Scientific Partisol® 2000i PM10 Air Sampler or Rupprecht and Patashnick Partisol®-FRM 2000 PM10 Air Sampler

Manual Reference Method: RFPS-1298-126

“Thermo Scientific Partisol® 2000-FRM PM10 Air Sampler” or “Thermo Fisher Scientific Partisol® 2000i PM10 Air Sampler” or “Rupprecht and Patashnick Partisol®-FRM 2000 PM10 Air Sampler,” with PM10 inlet or louvered inlet specified in 40 CFR  50, Appendix L, Figs. L-2 through L-19, configured as a PM10 reference method with a U.S. EPA PM10 inlet with straight downtube adapter and operated for continuous 24-hour sample periods in accordance with the Partisol® 2000-FRM or Partisol® 2000i instruction manual, as appropriate, and with the requirements specified in 40 CFR Part 50, Appendix J. Model 2000i operated with firmware version 2.0 or greater. Federal Register: Vol. 63, page 69625, 12/17/1998. Latest modification: 06/ 2011

Thermo Scientific Partisol®-Plus 2025 PM10 Sequential Air Sampler or Thermo Fisher Scientific Partisol® 2025i PM10

Sequential Air Sampler or Rupprecht and Patashnick Partisol®-Plus 2025 PM10 Sequential Air Sampler

Manual Reference Method: RFPS-1298-127

“Thermo Scientific Partisol®-Plus 2025 Sequential Air Sampler” or “Thermo Fisher Scientific Partisol® 2025i Sequential Air Sampler” or “Rupprecht and Patashnick Partisol®-Plus 2025 PM10 Sequential Air Sampler,” with PM10 inlet or louvered inlet specified in 40 CFR 50, Appendix L, Figs. L-2 through L-19, configured as a PM10 reference method and operated for continuous 24-hour sample periods. Partisol®-Plus 2025 to be operated with any software version 1.003 through 1.5 and the Partisol® 2025i  with firmware version 2.0 or greater, with the modified filter shuttle mechanism, in accordance with the Partisol®-Plus 2025 or Partisol® 2025i instruction manual, as appropriate, and with the requirements specified in 40 CFR Part 50, Appendix J. Federal Register: Vol. 63, page 69625, 12/17/1998.

Last modified: 06/ 2011

Thermo Scientific Dichotomous Partisol®-Plus 2025-D Sequential Air Sampler or Thermo Fisher Scientific Dichotomous  Partisol® 2025i-D Sequential Air Sampler

Manual Equivalent Method: EQPS-0311-198

“Thermo Scientific Dichotomous Partisol®-Plus 2025-D Sequential Air Sampler” or “Thermo Fisher Scientific Dichotomous Partisol® 2025i-D Sequential Air Sampler,” configured for dual-filter sampling of fine (PM2.5) and coarse (PM10-2.5) particles, with a U.S. EPA PM10 inlet and using a virtual impactor to separate the fine and coarse PM into two samples for collection on two separate filter membranes, and operated with the modified filter shuttle mechanism implemented May 31, 2008, and firmware version 1.500 or greater for the Partisol®-Plus 2025-D and version 2.0 or greater for the Partisol® 2025i-D, for continuous 24-hour sample periods , in accordance with the Partisol®-Plus 2025-D or Partisol® 2025i-D instruction manual, as appropriate. Federal Register: Vol. 76, page 15975, 03/22/2011

Latest modification: 06/ 2011

Thermo Scientific TEOM® 1400AB/TEOM® 1405 Ambient Particulate Monitor or Rupprecht & Patashnick TEOM® Series 1400/1400a PM10 Monitors

Automated Equivalent Method: EQPM-1090-079

“Thermo Scientific TEOM® 1400AB [PM10] Ambient Particulate Monitor” or “Rupprecht & Patashnick TEOM® Series 1400 and Series 1400a PM-10 Monitors,” (including serial number prefixes 1400, 140A, 140AA, 140AB, 140AT, and 140UP, 1405A), consisting of the following components: TEOM® Sensor Unit; TEOM® Control Unit; Flow Splitter (3 Lpm 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 Lpm) 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 Lpm Sample flow). Thermo Scientific TEOM® 1405 Ambient Particulate Monitor with combined sensor and control units and Redesigned mass transducer and user interface, operated in accordance with the Thermo Scientific TEOM® 1405 instrument Manual.Federal Register: Vol. 55, page 43406, 10/29/1990. Latest modification: 12/2008

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