Gather and analyze criminal evidence to help solve crimes.
Conducts chemical analyses of wastewater discharges of industrial users of municipal wastewater treatment plant to determine industrial waste surcharge assessments and to ensure that users meet pollution control requirements: Conducts chemical analyses of samples, using special instrumentation, such as gas chromatograph with electron capture, flame ionization, and thermal conductivity detectors, ultraviolet-visible recording spectrophotometer with photometry attachments, and infrared spectrophotometer. Compares findings with industry declared data and legal requirements and notes variations to be used in determining industrial waste surcharge assessments and to regulate industrial waste discharges. Develops new procedures in use of equipment and procedures for analyzing samples. Directs subordinate laboratory personnel in routine tests.