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Electronic Code of Federal Regulations

e-CFR data is current as of December 9, 2019

Title 40Chapter ISubchapter NPart 417Subpart P → §417.162


Title 40: Protection of Environment
PART 417—SOAP AND DETERGENT MANUFACTURING POINT SOURCE CATEGORY
Subpart P—Manufacture of Liquid Detergents Subcategory


§417.162   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 normal liquid detergent operations the following values pertain:

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 anhydrous product)
BOD50.600.20
COD1.80.60
TSS0.015.005
Surfactants0.39.13
Oil and grease0.015.005
pH(1)(1)
English units (pounds per 1,000 lb of anhydrous product)
BOD50.600.20
COD1.80.60
TSS0.015.005
Surfactants0.39.13
Oil and grease0.015.005
pH(1)(1)

1Within the range 6.0 to 9.0.

(b) For fast turnaround operation of automated fill lines, the following values pertain: the maximum for any one day when the number of turnarounds exceeds eight in any thirty consecutive day period shall be the sum of the appropriate values below and that from paragraph (a) of this section; and the average of daily values for thirty consecutive days shall be the values shown below multiplied by the number of turnarounds in excess of eight and prorated to thirty days plus the appropriate value from paragraph (a) of this section.

Effluent characteristicEffluent limitations
Metric units (kilograms per 1,000 kg of anhydrous product)
BOD50.05.
COD0.15.
TSS0.002.
Surfactants0.04.
Oil and grease0.002.
pHWithin the range 6.0 to 9.0.
English units (pounds per 1,000 lb of anhydrous product)
BOD50.05.
COD0.15.
TSS0.002.
Surfactants0.04.
Oil and grease0.002.
pHWithin the range 6.0 to 9.0.

[39 FR 13372, Apr. 12, 1974; 39 FR 17841, May 21, 1974, as amended at 60 FR 33955, June 29, 1995]

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