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Electronic Code of Federal Regulations

e-CFR data is current as of March 26, 2020

Title 40Chapter ISubchapter NPart 405Subpart B → §405.22


Title 40: Protection of Environment
PART 405—DAIRY PRODUCTS PROCESSING POINT SOURCE CATEGORY
Subpart B—Fluid Products Subcategory


§405.22   Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in §§125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

(a) For fluid products plants receiving more than 250,000 lb/day of milk equivalent (more than 25,900 lb/day of BOD5 input).

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of BOD5 input)
BOD53.3751.350
TSS5.5062.025
pH(1)(1)
English units (pounds per 100 lb of BOD5 input)
BOD50.3380.135
TSS0.551.203
pH(1)(1)

1Within the range 6.0 to 9.0.

(b) For fluid products plants receiving 250,000 lb/day or less of milk equivalent (less than 25,900 lb/day of BOD5 input).

Effluent characteristicEffluent limitations
Maximum for any 1 dayAverage of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of BOD5 input)
BOD54.502.250
TSS6.7503.375
pH(1)(1)
English units (pounds per 100 lb of BOD5 input)
BOD50.4500.225
TSS0.675.338
pH(1)(1)

1Within the range 6.0 to 9.0.

[39 FR 18597, May 28, 1974, as amended at 39 FR 32994, Sept. 13, 1974; 60 FR 33933, June 29, 1995]

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