['Toxic Substances Control Act - EPA']
['Polychlorinated Biphenyls', 'Toxic Substances - EPA', 'Toxic Subtances Control Act - EPA']
03/11/2024
(a) Report all sample concentrations for bulk PCB remediation waste and porous surfaces on a dry weight basis and as micrograms of PCBs per gram of sample (ppm by weight).
(b) Record and keep on file for 3 years the PCB concentration for each sample or composite sample.
[63 FR 35462 June 29, 1998]