40 C.F.R. § 53 app Table C-5 to Subpart C of Part 53

Current through September 30, 2024
Appendix 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 PM [10-2.5] and PM [2.5]

Candidate methodTest siteABCD
PM2.5Test site location areaLos Angeles basin or California Central ValleyWestern city such as Denver, Salt Lake City, or AlbuquerqueMidwestern cityNortheastern or mid-Atlantic city.
Test site characteristicsRelatively high PM2.5, nitrates, and semi-volatile organic pollutantsCold weather, higher elevation, winds, and dustSubstantial temperature variation, high nitrates, wintertime conditionsHigh sulfate and high relative humidity.
Class III Field test campaigns (Total: 5)Winter and summerWinter onlyWinter onlySummer only.
Class II Field test campaigns (Total: 2)Site A or B, any seasonSite C or D, any season.
PM10-2.5Test site location areaLos Angeles basin or California Central ValleyWestern city such as Las Vegas or PhoenixMidwestern cityLarge city east of the Mississippi River.
Test site characteristicsRelatively high PM2.5, nitrates, and semi-volatile organic pollutantsHigh PM10-2.5 to PM2.5 ratio, windblown dustSubstantial temperature variation, high nitrates, wintertime conditionsHigh sulfate and high relative humidity.
Class III Field test campaigns (Total: 5)Winter and summerWinter onlyWinter onlySummer only.
Class II Field test campaigns (Total: 2)Site A or B, any seasonSite C or D, any season.

40 C.F.R. 53 app Table C-5 to Subpart C of Part 53