40 C.F.R. § 426.122

Current through October 31, 2024

Section 426.122 - 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) Any manufacturing plant which produces incandescent lamp envelopes shall meet the following limitations with regard to the forming operations.

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)

¹ Within 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.

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)

¹ No limitation.

² Within the range 6.0 to 9.0.

40 C.F.R. §426.122

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