As used in this article, the following words and phrases shall mean:

1. "Hazardous substance" shall mean any substance listed as a substance hazardous to public health, safety or the environment in regulations promulgated pursuant to article 37 of this chapter.

2. "Local agency" shall mean any local agency, board, district, commission or governing body, including any city, county, or other political subdivision of the state.

3. "Pollution prevention" shall mean changes in production methods, work practices, raw materials or the provision of services that reduce energy or resource consumption, or that reduce, avoid or eliminate the use of hazardous substances or the generation of such substances, pollutants or waste per unit of product or service provided, so as to reduce risks to public health or the environment, without shifting risks between individuals or environmental media. Such term shall include the redesign, modification, upgrade or replacement of processes, procedures, equipment or technology; reformulation or redesign of products, substitution of inputs or raw materials; improvements in housekeeping, maintenance, training or inventory control; and extended use or reuse of materials through methods integral to the production process or provision of service, such as in-process, closed-loop recycling. Such term shall not include incineration, energy recovery from the combustion of waste, transfer from one medium of release or discharge to another medium, off-site or out-of-production recycling, end-of-pipe treatment, or any practice which alters the physical, chemical or biological characteristics or volume of a hazardous substance, pollutant or solid waste through a process or activity which itself is not integral to and necessary for the production of a product or the providing of a service.

4. "Pollutant" shall mean any substance, contaminant, waste or emission which contributes to pollution.

5. "Solid waste" shall mean a solid waste as such term is defined by subdivision 1 of section 27-0701 of this chapter.

6. "State agency" shall mean any state department, agency, board, public benefit corporation, public authority or commission.