40 CFR § 35.343 - Definitions.

---
identifier: "/us/cfr/t40/s35.343"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 35.343 - Definitions."
title_number: 40
title_name: "Protection of Environment"
section_number: "35.343"
section_name: "Definitions."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "B"
subchapter_name: "GRANTS AND OTHER FEDERAL ASSISTANCE"
part_number: "35"
part_name: "STATE AND LOCAL ASSISTANCE"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401  33 U.S.C. 1251  42 U.S.C. 300f  42 U.S.C. 6901  7 U.S.C. 136  15 U.S.C. 2601  42 U.S.C. 13101  Pub. L. 104-134, 110 Stat. 1321, 1321-299 (1996); Pub. L. 105-65, 111 Stat. 1344, 1373 (1997), 2 CFR 200."
cfr_part: "35"
---


# 35.343 Definitions.

In addition to the definitions in § 35.102, the following definitions apply to the Pollution Prevention State Grants program and to §§ 35.340 through 35.349:

(a) Pollution prevention/source reduction is any practice that:

(1) Reduces the amount of any hazardous substance, pollutant, or contaminant entering any waste stream or otherwise released into the environment (including fugitive emissions) prior to recycling, treatment, or disposal;

(2) Reduces the hazards to public health and the environment associated with the release of such substances, pollutants, or contaminants; or

(3) Reduces or eliminates the creation of pollutants through:

(i) Increased efficiency in the use of raw materials, energy, water, or other resources; or

(ii) Protection of natural resources by conservation.

(b) Pollution prevention/source reduction does not include any practice which alters the physical, chemical, or biological characteristics or the volume of a hazardous substance, pollutant, or contaminant through a process or activity which itself is not integral to and necessary for the production of a product or the providing of a service.