U.S. Code of Federal Regulations

Regulations most recently checked for updates: Feb 25, 2024

§ 432.1 - General Applicability.

As defined more specifically in subparts A through L of this part, this part applies to discharges of process wastewater to waters of the U.S. from facilities engaged in the slaughtering, dressing and packing of meat and poultry products for human consumption and/or animal food and feeds. Meat and poultry products for human consumption include meat and poultry from cattle, hogs, sheep, chickens, turkeys, ducks and other fowl as well as sausages, luncheon meats and cured, smoked or canned or other prepared meat and poultry products from purchased carcasses and other materials. Meat and poultry products for animal food and feeds include animal oils, meat meal and facilities that render grease and tallow from animal fat, bones and meat scraps. Manufacturing activities which may be subject to this part are generally reported under the following industrial classification codes:

Standard industrial classification 1 North American
system 2
SIC 0751NAICS 311611.
SIC 2011NAICS 311612.
SIC 2013NAICS 311615.
SIC 2015NAICS 311613.
SIC 2047NAICS 311111.
SIC 2048NAICS 311119.
SIC 2077NAICS 311999.

1 Source: 1987 SIC Manual

2 Source: 1997 NAICS Manual

§ 432.2 - General definitions.

As used in this part:

(a) The general definitions and abbreviations in 40 CFR part 401 shall apply.

(b) ELWK (equivalent live weight killed) means the total weight of animals slaughtered at locations other than the slaughterhouse or packinghouse that processes the animals hides, blood, viscera or other renderable materials.

(c) Fecal coliform means the bacterial count, as determined by approved methods of analysis for Parameter 1 in Table 1A in 40 CFR 136.3.

(d) Finished product means the final fresh or frozen products resulting from the further processing as defined below of either whole or cut-up meat or poultry carcasses.

(e) Further processing means operations that utilize whole carcasses or cut-up meat or poultry products for the production of fresh or frozen products, and may include the following types of processing: Cutting and deboning, cooking, seasoning, smoking, canning, grinding, chopping, dicing, forming, breading, breaking, trimming, skinning, tenderizing, marinating, curing, pickling, extruding and/or linking.

(f) LWK (live weight killed) means the total weight of animals slaughtered.

(g) Meat means products derived from the slaughter and processing of cattle, calves, hogs, sheep and any meat that is not listed under the definition of poultry below.

(h) Packinghouse means a plant that both slaughters animals and subsequently processes carcasses into cured, smoked, canned or other prepared meat products.

(i) Poultry means products derived from the slaughter and processing of broilers, other young chickens, mature chickens, hens, turkeys, capons, geese, ducks, small game fowl such as quail or pheasants, and small game such as rabbits.

(j) Raw material means the basic input materials to a renderer composed of animal and poultry trimmings, bones, blood, meat scraps, dead animals, feathers and related usable by-products.

(k) Slaughterhouse means a facility that slaughters animals and has as its main product fresh meat as whole, half or quarter carcasses or small meat cuts.

(l) The approved methods of analysis for the following six parameters are found in Table 1B in 40 CFR 136.3. The nitrate/nitrite part of total nitrogen may also be measured by EPA Method 300.0 (incorporated by reference, see § 432.5).

(1) Ammonia (as N) means ammonia measured as nitrogen.

(2) BOD5 means 5-day biochemical oxygen demand.

(3) O&G means total recoverable oil and grease.

(4) O&G (as HEM) means total recoverable oil and grease measured as n-hexane extractable material.

(5) Total Nitrogen means the total of nitrate/nitrite and total Kjeldahl nitrogen.

(6) TSS means total suspended solids.

§ 432.3 - General limitation or standard for pH.

Any discharge subject to BPT, BCT, or NSPS limitations or standards in this part must remain within the pH range of 6 to 9.

§ 432.5 - Incorporation by reference.

(a) The material listed in this section is incorporated by reference in the corresponding sections in this part, as noted. The Director of the Federal Register approves the incorporation by reference of this material in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. This material is incorporated as it exists on the date of the approval, and notice of any change in this material will be published in the Federal Register. The material is available for purchase at the address in paragraph (b) of this section and is available for inspection at the Office of the Federal Register, 800 North Capitol Street, NW., Suite 700, Washington, DC, or at the EPA Docket Center, 1301 Constitution Ave., NW., EPA West Room B–102, Washington, DC.

(b) The following material is available for purchase from the National Technical Information Service, U.S. Department of Commerce, 5285 Port Royal Road, Springfield, Virginia 22161. The toll-free telephone number is (800) 553–6847.

(1) “Method 300.0 Determination of Inorganic Anions by Ion Chromatography” (Revision 2.1) found in “Methods for the Determination of Inorganic Substances in Environmental Samples,” EPA 600-R–93/100 (order number PB94–120821), August 1993, IBR approved for § 432.2(l).

(2) [Reserved]

Subpart A [§ 432.10 - § 432.17] - Subpart A—Simple Slaughterhouses

Subpart B [§ 432.20 - § 432.27] - Subpart B—Complex Slaughterhouses

Subpart C [§ 432.30 - § 432.37] - Subpart C—Low-processing Packinghouses

Subpart D [§ 432.40 - § 432.47] - Subpart D—High-Processing Packinghouse

Subpart E [§ 432.50 - § 432.57] - Subpart E—Small Processors

Subpart F [§ 432.60 - § 432.67] - Subpart F—Meat Cutters

Subpart G [§ 432.70 - § 432.77] - Subpart G—Sausage and Luncheon Meats Processors

Subpart H [§ 432.80 - § 432.87] - Subpart H—Ham Processors

Subpart I [§ 432.90 - § 432.97] - Subpart I—Canned Meats Processors

Subpart J [§ 432.100 - § 432.107] - Subpart J—Renderers

Subpart K [§ 432.110 - § 432.117] - Subpart K—Poultry First Processing

Subpart L [§ 432.120 - § 432.127] - Subpart L—Poultry Further Processing