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Title 40

Displaying title 40, up to date as of 6/04/2026. Title 40 was last amended 6/04/2026.
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Table 1 to Subpart VVVVVV of Part 63—Hazardous Air Pollutants Used To Determine Applicability of Chemical Manufacturing Operations

As required in § 63.11494(a), chemical manufacturing operations that process, use, or produce the HAP shown in the following table are subject to subpart VVVVVV.

Type of HAP Chemical name CAS No.
1. Organic compounds a. 1,3-butadiene 106990
b. 1,3-dichloropropene 542756
c. Acetaldehyde 75070
d. Chloroform 67663
e. Ethylene dichloride 107062
f. Hexachlorobenzene 118741
g. Methylene chloride 75092
h. Quinoline 91225
2. Metal compounds a. Arsenic compounds
b. Cadmium compounds
c. Chromium compounds
d. Lead compounds
e. Manganese compounds
f. Nickel compounds
3. Others a. Hydrazine 302012