40 CFR 432.42 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

§ 432.42 Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the application of BPT:
(a) Facilities that slaughter no more than 50 million pounds per year (in units of LWK) must achieve the following limitations:
(1) In the case of process wastewater associated with the slaughtering of animals on-site or the processing of the carcasses of animals slaughtered on-site:
Effluent Limitations
[BPT]
Regulated parameter Maximum daily 1 Maximum monthly avg. 1
1 Pounds per 1000 lbs (or g/kg) LWK.
2 The values for BOD5 and TSS are for average plants, i.e., plants where the ratio of avg. wt. of processed meat products/avg. LWK is 0.55. Adjustments can be made for high-processing packinghouses operating at other such ratios according to the following equations: lbs BOD5/1000 lbs LWK = 0.21 0.23 (v—0.4) and lbs TSS/1000 lbs LWK = 0.28 0.3 (v—0.4), where v equals the following ratio: lbs processed meat products/lbs LWK.
3 Maximum of 400 MPN or CFU per 100 mL at any time.
4 No maximum monthly average limitation.
5 May be measured as hexane extractable material (HEM).
BOD5 2 0.48 0.24
Fecal Coliform (3) (4)
O&G 5 0.26 0.13
TSS 2 0.62 0.31
(2) In addition to the limitations specified in paragraph (a)(1) of this section, in the case of process wastewater associated with the processing (defleshing, washing and curing) of hides derived from animals slaughtered at locations off-site, the limitations for BOD5 and TSS specified in § 432.12(a)(2) apply.
(3) In addition to the limitations specified in paragraph (a)(1) of this section, in the case of process wastewater associated with the processing of blood derived from animals slaughtered at locations off-site, the limitations for BOD5 and TSS specified in § 432.12(a)(3) apply.
(4) In addition to the limitations specified in paragraph (a)(1) of this section, in the case of process wastewater associated with the wet or low-temperature rendering of material derived from animals slaughtered at locations off-site and dead animals, the limitations for BOD5 and TSS specified in § 432.12(a)(4) apply.
(5) In addition to the limitations specified in paragraph (a)(1) of this section, in the case of process wastewater associated with dry rendering of material derived from animals slaughtered at locations off-site and dead animals, the limitations for BOD5 and TSS specified in § 432.12(a)(5) apply.
(b) Facilities that slaughter more than 50 million pounds per year (in units of LWK) must achieve the following limitations:
(1) All facilities must achieve the following effluent limitations for ammonia (as N):
Effluent Limitations
[BPT]
Regulated parameter Maximum daily 1 Maximum monthly avg. 1
1 mg/L (ppm).
Ammonia (as N) 8.0 4.0
(2) In the case of process wastewater associated with the slaughtering of animals on-site or the processing of the carcasses of animals slaughtered on-site, the limitations for BOD5, fecal coliform, TSS, and O&G are the same as the limitations specified in paragraph (a)(1) of this section.
(3) In addition to the limitations specified in paragraphs (b)(1) and (2) of this section, in the case of process wastewater associated with the processing (defleshing, washing and curing) of hides derived from animals slaughtered at locations off-site, the limitations for BOD5 and TSS specified in paragraph (a)(2) of this section apply.
(4) In addition to the limitations specified in paragraphs (b)(1) and (2) of this section, in the case of process wastewater associated with the processing of blood derived from animals slaughtered at locations off-site, the limitations for BOD5 and TSS specified in paragraph (a)(3) of this section apply.
(5) In addition to the limitations specified in paragraphs (b)(1) and (2) of this section, in the case of process wastewater associated with wet or low-temperature rendering of material derived from animals slaughtered at locations off-site and dead animals, the limitations for BOD5 and TSS specified in paragraph (a)(4) of this section apply.
(6) In addition to the limitations specified in paragraphs (b)(1) and (2) of this section, in the case of process wastewater associated with the dry rendering of material derived from animals slaughtered at locations off-site and dead animals, the limitations for BOD5 and TSS specified in paragraph (a)(5) of this section apply.

Title 40 published on 2013-07-01

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