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Related Clues:
- Plant safety grp.
- Work safety org.
- Water tester: Abbr.
- DDT banner
- Mileage rating grp.
- Drinking-water tester (Abbr.)
- Pollution-control gp.
- DDT-banning org.
- Job-safety org.
- Fed. smog watchdog
- Air quality overseer (Abbr.)
- Agcy. twice headed by Ruckelshaus
- Workplace inspector, for short
- Govt. air checker
- Waste-watching org.