(a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing titanium dioxide by the sulfate process 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 V--Titanium Dioxide--Sulfate Process------------------------------------------------------------------------
PSNS effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Milligrams per liter (mg/
1)
---------------Iron (T).................................... 8.5 2.5Chromium (T)................................ 0.57 0.30Nickel (T).................................. 0.38 0.20------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Iron(T), Chromium(T), and Nickel(T) are the same as specified in Sec. 415.225(a).
(b) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing titanium dioxide by the chloride process 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 V--Titanium Dioxide-Chloride Process------------------------------------------------------------------------
PSNS effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Milligrams per liter (mg/
1)
---------------
Iron (T).................................... 5.3 1.6Chromium (T)................................ 0.23 0.12------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as guidance: The limitations for Iron(T) and Chromium(T) are the same as specified in Sec. 415.255(b).
(c) Except as provided in Sec. 403.7, any new source subject to this subpart and producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process 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 V--Titanium Dioxide-Chloride-Ilmenite Process------------------------------------------------------------------------
PSNS effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Milligrams per liter (mg/
l)
---------------Iron (T).................................... 5.3 1.6Chromium (T)................................ 0.23 0.12Nickel (T).................................. 0.33 0.17------------------------------------------------------------------------ In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Iron (T), Chromium (T), and Nickel (T) are the same as specified in Sec. 415.225(c).