40 C.F.R. § 761.267

Current through September 30, 2024
Section 761.267 - Sampling non-porous surfaces
(a) 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.
(b) It is not necessary to sample small or irregularly shaped surfaces.

40 C.F.R. §761.267

88 FR 59695, 2/26/2024