EPA Pacific Southwest (Region 9) Laboratory Contacts

EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.

The Region 9 Laboratory is a full service, state-of-the-art facility specializing in chemical analysis, biological analysis and field sampling services.

Mailing Addresses

Corvallis Main Building
200 SW 35th Street
Corvallis, OR 97333
(541) 754-4600

Newport Main Building
2111 SE Marine Science Dr.
Newport, OR 97365

Field Services Support Center (FSSC)
23217 Kidder Street
Hayward, CA 94545
(510) 265-7400

Region 9 Resources

Region 9 Laboratory Manager

Brewer, Alex (brewer.alex@epa.gov)
(541) 754-4570

Region 9 FSSC Manager (Acting)

Duane James (james.duane@epa.gov)
(415) 972-3988

Chemistry Coordinator

Michael Spiegel (spiegel.michael@epa.gov)
(541) 754-4519

Laboratory Quality Assurance Officer

Andrew Mendez (mendez.andrew@epa.gov)
(541) 754-4574

Regional Sample Control Coordinator

Jamie Carmon (carmon.jamie@epa.gov)
(510) 412-2389

Region 9 Laboratory Contacts by Subject

General Contacts

SubjectPrimary ContactSecondary Contact
Analytical ServicesMichael Spiegel
(514) 754-4519		Andrew Mendez
(541) 754-4574
Environmental Management System (EMS)Jason Lewis
(541) 754-4537		N/A
Drinking Water Laboratory CertificationCynthia Holman
(510) 265-7406		Chris Cagurangan
(510) 265-7405
Laboratory Safety, Health & Environmental ManagementJason Lewis
(541) 754-4537		Chris Cagurangan
(510) 265-7405
Laboratory Quality AssuranceAndrew Mendez
(541) 754-4574		Alex Brewer
(503) 984-3871
Safety and Health Management System (SHMS)Jason Lewis
(541) 754-4537		N/A
Sample ContainersJamie Carmon
(541) 754-4490		Andrew Mendez
(541) 754-4574
Sample Holding Times/PreservationsJamie Carmon
(541) 754-4490		Andrew Mendez
(541) 754-4574
Sample Login/ReceiptJamie Carmon
(541) 754-4490		Andrew Mendez
(541) 754-4574
Sampling EquipmentBob Hopeman
(510) 265-7402		Junn Masongsong
(510) 265-7403
Sampling RequestsBob Hopeman
(510) 265-7402		Junn Masongsong
(510) 265-7403
Sampling Technical AdviceBob Hopeman
(510) 265-7402		Junn Masongsong
(510) 265-7403

Chemistry Contacts

SubjectPrimary ContactSecondary Contact
Air MethodsBob Hopeman
(510) 265-7402		N/A
Drinking Water Lab Certification
— Chemistry & Radiochemistry		Cynthia Holman
(510) 265-7406		Chris Cagurangan
(510) 265-7405
Drinking Water MethodsChris Cagurangan
(510) 265-7405		Cynthia Holman
(510) 265-7406
ImmunoassayCynthia Holman
(510) 265-7406		Andrew Mendez
(541) 754-4574
Inorganic Chemistry MethodsMichael Spiegel
(514) 754-4519		Andrew Mendez
(541) 754-4574
Metals AnalysisMichael Spiegel
(541) 754-4519		N/A
Metals in Saline WatersMichael Spiegel
(541) 754-4519		N/A
Organic Chemistry MethodsAndrew Mendez
(541) 754-4574		Michael Spiegel
(541) 754-4519
Standard Reference Photometer
— Ozone Standard Verification		Bob Hopeman
(510) 265-7402		N/A
Soil Gas AnalysisMichael Spiegel
(541) 754-4519		Bob Hopeman
(510) 265-7402
Toxicity Characteristic Leaching Procedure (TCLP)Michael Spiegel
(541) 754-4519		Andrew Mendez
(541) 754-4574

Biology Contacts

SubjectPrimary ContactSecondary Contact
Bioassays/Toxicity Tests (water & sediment)
— Marine Toxicity Tests		Jamie Carmon
(541) 754-4490		N/A
Bioassays/Eco-assessmentsJamie Carmon
(541) 754-4490		N/A
Biological Methods and MonitoringJamie Carmon
(541) 754-4490		N/A
Drinking Water Lab Certification
— Microbiology		Cynthia Holman
(510) 265-7406		N/A
Marine Aquatic Toxicity TestJamie Carmon
(541) 754-4490		N/A
Marine Benthic Invertebrate IdentificationJamie Carmon
(541) 754-4490		N/A
MicrobiologyCynthia Holman
(510) 265-7406		N/A

Field Contacts

SubjectPrimary ContactSecondary Contact
Field Analytical SupportBob Hopeman
(510) 265-7402		Junn Masongsong
(510) 265-7403
Field AuditsBob Hopeman
(510) 265-7402		Junn Masongsong
(510) 265-7403
Field EquipmentBob Hopeman
(510) 265-7402		Junn Masongsong
(510) 265-7403
Field Sampling AssistanceBob Hopeman
(510) 265-7402		Junn Masongsong
(510) 265-7403
Field Sampling TechniquesBob Hopeman
(510) 265-7402		Junn Masongsong
(510) 265-7403

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Last updated on May 22, 2026