§761.267. Sampling non-porous surfaces.
40 C.F.R. § 761.267
Sample large, nearly flat, non-porous surfaces by dividing the surface into roughly square portions approximately 2 meters on each side. Follow the procedures in § 761.302(a) with the exception of the sampling grid size.
It is not necessary to sample small or irregularly shaped surfaces.
Notes, amendments, and revision history
Amendments
[63 FR 35464, June 29, 1998, as amended at 88 FR 59695. Aug. 29, 2023]
Source
Source: 63 FR 35464, June 29, 1998, unless otherwise noted.
Authority
Authority: 15 U.S.C. 2605, 2607, 2611, 2614, and 2616 and 42 U.S.C. 6939g.
Source
Source: 43 FR 7156, Feb. 17, 1978, unless otherwise noted.
Amendments
[63 FR 35464, June 29, 1998, as amended at 88 FR 59695. Aug. 29, 2023]