Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Pretreatment Program
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Contacts
The following people welcome your inquiry about the pretreatment program.
Greg Arthur (arthur.greg@epa.gov)
Environmental Engineer
(415) 972-3504
Keith Silva (silva.keith@epa.gov)
Pretreatment Coordinator
(415) 972-3509
Clean Water Act Compliance Office (WTR-7)
U.S. Environmental Protection Agency, Region 9
75 Hawthorne Street
San Francisco, California 94105-3901
Fax: (415) 947-3549
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