本报告中涉及的法律法规控制照片处理废水（废水）排放，监管危险化学品，并为接触危险物质的员工提供保护。该报告审查了联邦要求，并列出了负责法规执行的州机构的联系人。

The laws and regulations addressed in this report control photo-processing waste water (effluent) discharges, regulate hazardous chemicals, and provide protection to employees exposed to hazardous substances. The report reviews the federal requirements and lists contacts for state agencies responsible for regulations enforcement.