['Toxic Substances Control Act - EPA']
['Polychlorinated Biphenyls', 'Toxic Substances - EPA', 'Toxic Subtances Control Act - EPA']
03/11/2024
(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 with the exception of the sampling grid size.
(b) It is not necessary to sample small or irregularly shaped surfaces.
[63 FR 35462 June 29, 1998; 89 FR 59695, Aug. 29, 2023]