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):
Subpart Q--Sodium Dichromate------------------------------------------------------------------------
PSNS effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days------------------------------------------------------------------------
Milligrams per liter
-------------Chromium (T)................................... 1.0 0.50Hexavalent Chromium............................ 0.11 0.060Nickel (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 Sec. 415.175. [47 FR 55226, Dec. 8, 1982]