§355.13. How do I calculate the quantity of an extremely hazardous substance present in mixtures?
40 C.F.R. § 355.13
If an EHS is present in a mixture in a particular container, determine the quantity (in pounds) of the EHS in that container by multiplying the concentration of the EHS (in weight percent) by the weight (in pounds) of the mixture in the container. If the concentration of an EHS is less than or equal to one percent in the mixture, you do not have to count that EHS. Here is an example calculation:
Notes, amendments, and revision history
Authority
Authority: Sections 302, 303, 304, 325, 327, 328, and 329 of the Emergency Planning and Community Right-to-Know Act of 1986 (EPCRA) (42 U.S.C. 11002, 11003, 11004, 11045, 11047, 11048, and 11049).
Source
Source: 73 FR 65462, Nov. 3, 2008, unless otherwise noted.