1. Regulations
  2. title 40
  3. chapter I-i33
  4. part 761
  5. subpart N
  6. § 761.267

View all text of Subpart N [§ 761.260 - § 761.274]

§ 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.

[63 FR 35464, June 29, 1998, as amended at 88 FR 59695. Aug. 29, 2023]

AUTHORITY: 15 U.S.C. 2605, 2607, 2611, 2614, and 2616.

SOURCE: 43 FR 7156, Feb. 17, 1978, unless otherwise noted.

CITE AS: 40 CFR 761.267