As used in this article, unless the context requires a different meaning: “Fund” means the Small Business Environmental Compliance Assistance Fund. “Small business” means a business located in Virginia that (i) employs 100 or fewer people and (ii) is a small business concern as defined in the federal Small Business Act (15 U.S.C. § 631 et seq.) as amended. “Voluntary pollution prevention measures” means operational or equipment changes that meet the definition of pollution prevention contained in § 10.1-1425.10 and are not otherwise required by law.