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Method 202 System

Method 202 System

This isokinetic method is used to measure Condensable Particulate Matter (CPM) from stationary source emissions after particulate matter has been removed by a heated filter, such as in Method 5, 17 or 201A. The CPM is collected in dry impingers.

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Description

Method 202 – Dry Impinger Method for Determining Condensable Particulate Emissions from Stationary Sources – EPA Literature PDF

Method 202 – US EPA Best Practices Handbook

US EPA – Proposed Revision to Method 202

The impinger contents are purged with nitrogen (N2) immediately after sample collection to remove dissolved sulfur dioxide (SO2) gases from the impinger. The organic and aqueous fractions are dried and the residues are weighed. The total of the aqueous and organic fractions represents the CPM.

Method 202 Sampling Accessories

ProductDescription
SB-4SDTwo-section impinger box
GN-VCHM-M202Vertical condenser #28 socket-to-M202 spiral condenser, #28 socket both ends water jacket hose barbs, high-moisture source above 15%
GN-9AKSAGlass knock-out impinger assembly, unground, (for horizontal MM5) included with long/short stem
GNFA-3U-18KCPM 3-inch filter assembly including flexible thermocouple
GF-3TMPTFE membrane filters with support, 1-micron pore size (50 per box)
MM5-PMM5-P submersible coolant pump, 110V
MM5-PMMini submersible coolant pump, 110V
SB-8Sample frame with probe clamp
GNFA-BKTInsulation blanket for GNFA-3U-18K assembly

Method 202 Purge Accessories

Purge Regulatory Assembly

Regulate argon, carbon dioxide, and nitrogen gases up to 25 liters per minute.  Brass-bodied regulator features 0 – 250 psi pressure gauge, 0 – 25 LPM flow meter, horizontal fitting for gas source and vertical fitting to attach filter, TPFA line, elbow socket and purge stem. REG-NPA-202

Purge Regulatory Assembly

ProductDescription
REG-NP-202Argon, CO2, nitrogen flow meter regulator, CGA580 connection
FI2H-4T60B60u inline brass filter, 1/4-inch tube union
4MSEL4N-PFA1/4-inch PFA tube fitting to 1/4-inch MNPT, elbow connector 3/16-inch
GA-29S4NTGPTFE adapter glass-filled, 28 mm socket to 1/4 inch female NPT
GN-9AKS-PGlassware stem for REG-NPA-202
TPFA-4/2PFA tubing, 1/8-inch ID by 1/4-inch OD by 0.062-inch wall

Method 202 - Purge Regulatory Assembly

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