40 CFR § 426.122
Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
June 9, 2020
CFR

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) Any manufacturing plant which produces incandescent lamp envelopes shall meet the following limitations with regard to the forming operations.

Open Table
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—
    Metric units (g/kkg of furnace pull)
Oil 230.0 115.0
TSS 230.0 115.0
pH (1) (1)
    English units (lb/1,000 lb of furnace pull)
Oil 0.23 0.115
TSS 0.23 0.115
pH (1) (1)

1Within the range 6.0 to 9.0.

(b) Any manufacturing plant which frosts incandescent lamp envelopes shall meet the following limitations with regard to the finishing operations.

Open Table
Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—
    Metric units (g/kkg of product frosted)
Fluoride 230.0 115.0
Ammonia (1) (1)
TSS 460.0 230.0
pH (2) (2)
    English units (lb/1000 lb of product frosted)
Fluoride 0.23 0.115
Ammonia (1) (1)
TSS 0.46 0.23
pH (2) (2)

1No limitation.

2Within the range 6.0 to 9.0.

[40 FR 2959, Jan. 16, 1975, as amended at 60 FR 33960, June 29, 1995]


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