(1) Nothing in this chapter shall influence, affect, or modify department programs, regulations, or enforcement of applicable laws relating to hazardous waste site investigation and cleanup.

(2) Nothing in this chapter shall modify the order or decree the department has secured with potentially liable persons or prospective purchasers for remedial action. The execution of remedial actions pursuant to the order or decree shall in no way be contingent upon the availability of grant funding.

(3) All grants and loans shall be subject to existing accounting and auditing requirements of state laws and regulations applicable to the issuance of grants and loans.