1
Industrial chemicals for use in environmental decontamination and remediation
9
Electrochemical instruments for measuring environmental parameters including water quality
11
Environmental control apparatus in the nature of a treatment system comprised primarily of one or more of the following pieces of equipment, namely, particle activators, water filtration units, drainage water treatment tanks, or water treatment units for aerating and circulating water for use in soil and groundwater remediation, drinking water treatment, municipal and industrial wastewater treatment
19
Environmental control apparatus, namely, treatment system primarily comprised of water treatment equipment in the nature of non-metal water storage basins for collecting and storing water for use in soil and groundwater remediation, drinking water treatment, municipal and industrial wastewater treatment
40
Environmental decontamination and remediation services, namely, decontamination of hazardous materials and treatment of liquid and solid wastes; Waste treatment services
42
Environmental testing and inspection services; Engineering services in the field of environmental compliance