TOC
Total organic compounds (TOC) means those compounds, excluding methane and ethane, measured according to the procedures of Method 18 or Method 25A of appendices A-6 and A-7 to 40 CFR part 60, respectively, or ASTM D6420-18 (incorporated by reference, see 63.14) as specified in this subpart.
Source
40 CFR § 63.482
Scoping language
The following terms used in this subpart shall have the meaning given them in 63.2, 63.101, or the Act, as specified after each term: