Conducts periodic specialized technical field inspections and investigations of manufacturing, industrial, or other large scale facilities and institutions in such areas as food and drug, water, sewage control, multiple housing and institutions, garment manufacturing, laundering facilities, public swimming facilities, water pollution control and dairies and milk products plants to determine compliance with relevant public health laws and regulations; completes reports of areas in violation. Meets with concerned parties from private industry and companies to provide current information on environmental procedures and public health laws, to discuss correction of deficiencies, to develop a corrective plan, and to obtain compliance through appropriate enforcement action, including quarantine, embargo, condemnation of food or drug products, the issuance of citations, and the confiscation of evidence of violation including equipment, and by providing expert testimony in criminal prosecution.