View all text of Subpart D [§ 464.40 - § 464.47]
§ 464.41 - Specialized definitions.
For the purpose of this subpart:
(a) Total Toxic Organics (TTO). TTO is a regulated parameter under PSES (§ 464.45) and PSNS (§ 464.46) for the zinc subcategory and is comprised of a discrete list of toxic organic pollutants for each process segment where it is regulated, as follows:
(1) Casting Quench (§ 464.45(a) and § 464.46(a)):
21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 31. 2,4-dichlorophenol 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 65. phenol 66. bis(2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 85. tetrachloroethylene(2) Die Casting (§ 465.45(b) and § 464.46(b)):
1. acenaphthene 21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 24. 2-chlorophenol 34. 2,4-dimethylphenol 44. methylene chloride (dichloromethane) 55. naphthalene 65. phenol 66. bis (2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 85. tetrachloroethylene 86. toluene 87. trichloroethylene(3) Melting Furnace Scrubber (§ 464.45(c) and § 464.46(c)):
31. 2,4-dichlorophenol 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 55. naphthalene 65. phenol 66. bis(2-ethylhexyl) phthalate 68. di-n-butyl phthalate 85. tetrachloroethylene 86. toluene 87. trichloroethylene(4) Mold Cooling (§ 464.45(d) and § 464.46(d)):
21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 31. 2,4-dichlorophenol 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 65. phenol 66. bis(2-ethylhexyl) phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 85. tetrachloroethylene