(a)Purpose of section. Sections 35.419 through 35.421 govern State Response Program Grants (as defined in section 128(a) of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)).(b)Purpose of program. State Response Program Grants are awarded to States to establish or enhance the response program of the State; capitalize a revolving loan fund for Brownfield remediation under section 104(k)(3) of CERCLA; or purchase insurance or develop a risk sharing pool, an indemnity pool, or insurance mechanism to provide financing for response actions under a State response program.