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Electronic Code of Federal Regulations

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

Title 40Chapter ISubchapter NPart 405Subpart G → §405.72


Title 40: Protection of Environment
PART 405—DAIRY PRODUCTS PROCESSING POINT SOURCE CATEGORY
Subpart G—Fluid Mix for Ice Cream and Other Frozen Desserts Subcategory


§405.72   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 plants with a dairy products input of more than 85,000 lb/day of milk equivalent (more than 8,830 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)
BOD52.200.880
TSS3.301.320
pH(1)(1)
English units (pounds per 100 lb of BOD5 input)
BOD50.2200.068
TSS0.330.132
pH(1)(1)

1Within the range 6.0 to 9.0.

(b) For plants with a dairy products input of 85,000 lb/day or less of milk equivalent (less than 8.830 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)
BOD52.9261.463
TSS4.3882.194
pH(1)(1)
English units (pounds per 100 lb of BOD5 input)
BOD50.2930.146
TSS0.439.219
pH(1)(1)

1Within the range 6.0 to 9.0.

[39 FR 18597, May 28, 1974, as amended at 39 FR 32993, Sept. 13, 1974; 60 FR 33934, June 29, 1995]

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