Performs sample collection and general field analyses of wastewater from new and existing restaurants, similar commercial businesses, and industries as required to ensure compliance with federal, state, and local environmental and pretreatment regulations; wears appropriate PPE and follows safety guidelines. Installs, operates, sets up, secures, calibrates, cleans, and maintains the automatic and other sampling, testing, detecting and monitoring equipment, tools, and devices according to prescribed schedules, procedures, and techniques.