Source: https://www.ecfr.gov/cgi-bin/text-idx?mc=true&node=sp40.31.415.q&rgn=div6
Timestamp: 2020-04-04 09:23:17
Document Index: 254135219

Matched Legal Cases: ['art 415', '§415', '§415', '§415', '§415', '§415', '§415', '§415', '§415', '§415', '§415', 'art 403', '§415', '§415']

Title 40 → Chapter I → Subchapter N → Part 415 → Subpart Q
Subpart Q—Sodium Dichromate and Sodium Sulfate Production Subcategory
§415.170 Applicability; description of the sodium dichromate and sodium sulfate production subcategory.
§415.171 Specialized definitions.
§415.172 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§415.173 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§415.174 [Reserved]
§415.175 New source performance standards (NSPS).
§415.176 Pretreatment standards for new sources (PSNS).
§415.177 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
The provisions of this subpart are applicable to discharges resulting from the production of sodium dichromate and by-product sodium sulfate.
(b) The term product shall mean sodium dichromate.
(c) The term Cr(T) shall mean total chromium.
(d) The term Cr(+ 6) shall mean hexavalent chromium.
TSS 0.44 0.22
Hexavalent Chromium 0.00090 0.00050
Chromium (T) 0.0088 0.0044
Nickel (T) 0.0068 0.0034
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for Chromium (T), Hexavalent Chromium, and Nickel (T) are the same as specified in §415.172.
Any new source subject to this subpart must achieve the following new source performance standards (NSPS): The limitations are the same as specified in §415.172.
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following Pretreatment Standards for New Sources (PSNS):
PSNS effluent limitations
Chromium (T) 1.0 0.50
Hexavalent Chromium 0.11 0.060
Nickel (T) 0.80 0.40
In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Chromium (T), Hexavalent Chromium, and Nickel (T) are the same as specified in §415.175.
[47 FR 55226, Dec. 8, 1982]
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.172.