Region 9 Contacts
Biosolids Coordinator
Lauren Fondahl
USEPA Region 9 (WTR-7)
CWA Compliance Office
75 Hawthorne Street
San Francisco, CA 94105-3901
Tel: 415-972-3514
Fax: 415-947-3549
fondahl.lauren@epa.gov
Anna Yen
USEPA Region 9 (WTR-7)
Pretreatment and Biosolids Programs
75 Hawthorne Street
San Francisco, CA 94105-3901
TEL: 415-972-3976
FAX: 415-947-3549
yen.anna@epa.gov
Pretreatment Coordinator
Keith Silva
U.S. EPA - Region 9
CWA Compliance Office (WTR-7)
75 Hawthorne Street
San Francisco, CA 94105-3901
Tel: 415-744-1907
Fax: 415-744-1235
silva.keith@epa.gov