40 CFR Part 53, Subpart C, Table C-5 to Subpart C of Part 53 - Summary of Comparability Field Testing Campaign Site and Seasonal Requirements for Class II and III FEMs for PM10−2.5 and PM2.5

View PDF at GPO Pt. 53, Subpt. C, Table C-5
Table C-5 to Subpart C of Part 53—Summary of Comparability Field Testing Campaign Site and Seasonal Requirements for Class II and III FEMs for PM10−2.5 and PM2.5
Candidate method Test site A B C D
PM2.5 Test site location area Los Angeles basin or California Central Valley Western city such as Denver, Salt Lake City, or Albuquerque Midwestern city Northeastern or mid-Atlantic city.
Test site characteristics Relatively high PM2.5, nitrates, and semi-volatile organic pollutants Cold weather, higher elevation, winds, and dust Substantial temperature variation, high nitrates, wintertime conditions High sulfate and high relative humidity.
Class III Field test campaigns (Total: 5) Winter and summer Winter only Winter only Summer only.
Class II Field test campaigns (Total: 2) Site A or B, any season Site C or D, any season.
PM10−2.5 Test site location area Los Angeles basin or California Central Valley Western city such as Las Vegas or Phoenix Midwestern city Large city east of the Mississippi River.
Test site characteristics Relatively high PM2.5, nitrates, and semi-volatile organic pollutants High PM10−2.5 to PM2.5 ratio, windblown dust Substantial temperature variation, high nitrates, wintertime conditions High sulfate and high relative humidity.
Class III Field test campaigns (Total: 5) Winter and summer Winter only Winter only Summer only.
Class II Field test campaigns (Total: 2) Site A or B, any season Site C or D, any season.

Title 40 published on 2014-07-01

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United States Code
U.S. Code: Title 42 - THE PUBLIC HEALTH AND WELFARE
Statutes at Large
Public Laws

91-604