---identifier: "/us/cfr/t40/s503.30"source: "ecfr"legal_status: "authoritative_unofficial"title: "40 CFR § 503.30 - Scope."title_number: 40title_name: "Protection of Environment"section_number: "503.30"section_name: "Scope."chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"subchapter_number: "O"subchapter_name: "SEWAGE SLUDGE"part_number: "503"part_name: "STANDARDS FOR THE USE OR DISPOSAL OF SEWAGE SLUDGE"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "Sections 405 (d) and (e) of the Clean Water Act, as amended by Pub. L. 95-217, sec. 54(d), 91 Stat. 1591 (33 U.S.C. 1345 (d) and (e)); and Pub. L. 100-4, title IV, sec. 406 (a), (b), 101 Stat., 71, 72 (33 U.S.C. 1251 )."regulatory_source: "58 FR 9387, Feb. 19, 1993, unless otherwise noted."cfr_part: "503"---
Identifier
/us/cfr/t40/s503.30
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Environmental Protection Agency
Authority
Sections 405 (d) and (e) of the Clean Water Act, as amended by Pub. L. 95-217, sec. 54(d), 91 Stat. 1591 (33 U.S.C. 1345 (d) and (e)); and Pub. L. 100-4, title IV, sec. 406 (a), (b), 101 Stat., 71, 72... Sections 405 (d) and (e) of the Clean Water Act, as amended by Pub. L. 95-217, sec. 54(d), 91 Stat. 1591 (33 U.S.C. 1345 (d) and (e)); and Pub. L. 100-4, title IV, sec. 406 (a), (b), 101 Stat., 71, 72 (33 U.S.C. 1251 ).
# 503.30 Scope.(a) This subpart contains the requirements for a sewage sludge to be classified either Class A or Class B with respect to pathogens.(b) This subpart contains the site restrictions for land on which a Class B sewage sludge is applied.(c) This subpart contains the pathogen requirements for domestic septage applied to agricultural land, forest, or a reclamation site.(d) This subpart contains alternative vector attraction reduction requirements for sewage sludge that is applied to the land or placed on a surface disposal site.