40
Treatment of materials, namely, water treating, water purification, waste and/or water treatment services for water quality control
42
Scientific and technological services and research and design relating thereto, namely, chemical analysis, chemical research; design and development of computer hardware and software; chemical analysis, bacteriological research and testing, chemical research, water quality control and services, technical project studies, namely, conducting feasibility services; providing quality assurance services, namely, process monitoring in the field of water quality control; development and test of chemical production methods, evaluation and testing of real estate for the presence of hazardous material, laboratory testing services; testing or research on prevention of pollution
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