40 CFR §421.306
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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. The mass of wastewater pollutants in primary and secondary titanium process wastewater introduced into a POTW shall not exceed the following values:
- (a)Chlorination off-gas wet air pollution control.
- (b)Chlorination area-vent wet air pollution control.
- (c)TiCl4 handling wet air pollution control.
- (d)Reduction area wet air pollution control.
- (e)Melt cell wet air pollution control.
- (f)Chlorine liquefaction wet air pollution control.
- (g)Sodium reduction container reconditioning wash water.
- (h)Chip crushing wet air pollution control.
- (i)Acid leachate and rinse water.
- (j)Sponge crushing and screening wet air pollution control.
- (k)Acid pickle and wash water.
- (l)Scrap milling wet air pollution control.
- (m)Scrap detergent wash water.
- (n)Casting crucible wash water.
- (o)Casting contact cooling water.