Dr. Mary Delany
Administrative Advisor
Associate Dean, Division of Agricultural Sciences

College of Agricultural and Environmental Sciences 
One Shields Drive
University of California 
Davis, CA 95616-8571 
(530) 752-0233
(530) 752-9049 Fax 
mpparrella@ucdavis.edu
 

Dr. Ronald Tjeerdema
Director, Western Region IR-4 Program

Department of Environmental Toxicology 
Room 4138A Meyer Hall  
University of California 
Davis, CA 95616-8588 
(530) 754-5192  
(530) 752-3394 Fax 
rstjeerdema@ucdavis.edu
 

Interregional Research Project #4 
 

Western Region IR-4 Program Field Unit
Field Unit Website

Rebecca (Becky) Sisco 
Regional Field Coordinator

Department of Environmental Toxicology 
Room 4218 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530)752-7634 
(530) 752-2866 Fax 
rsisco@ucdavis.edu
 

Stephen Flanagan  
Assistant Regional Field Coordinator

Department of Environmental Toxicology 
Room 4218 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(541) 688-3155 
(530) 752-2866 Fax 
srflanagan@ucdavis.edu
 

Mika Tolson  
Field Program Research Associate

Department of Environmental Toxicology 
Room 4218 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530)752-7635  
(530) 752-2866 Fax 
mptolson@ucdavis.edu
 

V.Ana Balogh
Financial Manager

Department of Environmental Toxicology 
Western Region IR4 
4138 Meyer Hall 
Davis, CA 95616 
(530) 754-8998  
(530) 752-3394 Fax 
vvbalogh@ucdavis.edu
 

Jackie Hale
Financial Manager

Department of Environmental Toxicology 
Western Region IR4   Room 4138 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530) 752-2098 
(530) 752-2866 Fax 
jbhale@ucdavis.edu

Q/A Unit
 

James McFarland
Western Region Quality Assurance Coordinator

Department of Environmental Toxicology 
Room 4123 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530) 752-3496 
(530) 752-2866 Fax 
jmmcfarland@ucdavis.edu
 

Martin Beran
Quality Assurance Officer

Department of Environmental Toxicology 
Room 4123 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530) 752-3496 
(530) 752-2866 Fax 
mjberan@ucdavis.edu
 

Sherita Normington
Quality Assurance Officer

Department of Environmental Toxicology 
Room 4123 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530) 752-9493  
(530) 752-2866 Fax 
smnormington@ucdavis.edu  

Lab Unit
Western Region IR4 Laboratory Website

Matt Hengel 
Regional Lab Coordinator, Western Region IR-4 Program

Department of Environmental Toxicology 
Room 4419 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530) 752-2402 
(530) 752-3394 Fax 

Paul Kuzmicky 
Western Region IR-4 Program

Department of Environmental Toxicology 
Room 4419 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530) 752-2402 
(530) 752-3394 Fax 

Riza Punongbayan 
Western Region IR-4 Program

Department of Environmental Toxicology 
Room 4419 Meyer Hall 
University of California 
Davis, CA 95616-8588 
(530) 752-2402 
(530) 752-3394 Fax 

Bronson Hung
CHE

Department of Environmental Toxicology 
418 CHE 
4138 Meyer Hall
University of California 
Davis, CA 95616-8588 
(530) 752-4742 
(530) 752-5857 Fax

Michael McChesney
CHE

Department of Environmental Toxicology 
418 CHE
4138 Meyer Hall
University of California 
Davis, CA 95616-8588 
(530) 752-4742 
(530) 752-5857 Fax

Tey Montalvo
CHE

Department of Environmental Toxicology 
418 CHE
University of California 
Davis, CA 95616-8588 
(530) 752-4742 
(530) 752-5857 Fax

Chava (Salvador) Torres
CHE

Department of Environmental Toxicology 
418 CHE
University of California 
Davis, CA 95616-8588 
(530) 752-4742 
(530) 752-5857 Fax