Title 40

SECTION 464.11

464.11 Specialized definitions.

§ 464.11 Specialized definitions.

For the purpose of this subpart:

(a) Total toxic organics (TTO). TTO is a regulated parameter under PSES (§ 464.15) and PSNS (§ 464.16) for the aluminum 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 (§ 464.15(b) and § 464.16(b)):

4. benzene 21. 2,4,6-trichlorophenol 22. Para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 65. phenol 66. bis(2-ethylhexyl) phthalate 67. butyl benzyl phthalate 84. pyrene 85. tetrachloroethylene 87. trichloroethylene

(2) Die Casting (§ 464.15(c) and § 464.16(c)):

1. acenaphthene 4. benzene 7. chlorobenzene 11. 1,1,1-trichloroethane 21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride (dichloromethane) 55. naphthalene 65. phenol 66. bis(2-ethylhexyl) phthalate 67. butyl benzyl phthalate 68. di-n-butyl phthalate 70. diethyl phthalate 72. benzo (a)anthracene (1,2-benzanthracene) 73. benzo (a)pyrene (3,4-benzopyrene) 76. chrysene 78. anthracene 80. fluorene 81. phenanthrene 84. pyrene 85. tetrachloroethylene 86. toluene

(3) Dust Collection Scrubber (§ 464.15(d) and § 464.16(d)):

1. acenaphthene 21. 2,4,6-trichlorophenol 23. chloroform (trichloromethane) 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 73. benzo (a)pyrene (3,4-benzopyrene) 84. pyrene

(4) Investment Casting (§ 464.15(f) and § 464.16(f)):

11. 1,1,1-trichloroethane 23. chloroform (trichloromethane) 44. methylene chloride (dichloromethane) 66. bis (2-ethylhexyl) phthalate 84. pyrene 85. tetrachloroethylene 87. trichloroethylene

(5) Melting Furnace Scrubber (§ 464.15(g) and § 464.16(g)):

(6) Mold Cooling (§ 464.15(h) and § 464.16(h)):

4. benzene 21. 2,4,6-trichlorophenol 22. para-chloro meta-cresol 23. chloroform (trichloromethane) 34. 2,4-dimethylphenol 39. fluoranthene 44. methylene chloride 65. phenol 66. bis(2-ethylhexyl) phthalate 67. butyl benzyl phthalate 84. pyrene 85. tetrachloroethylene 87. trichloroethylene