Truesdail Laboratories
14201 Franklin Avenue
Tustin, California 92780-7008
Phone (714) 730-6239
Fax (714) 730-6462
| Name | Extension | |
|---|---|---|
| President: Dr. John Hill |
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100 |
| Technical Director Dr. Norman Hester |
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170 |
| Manager of Analytical Services: Ms. Mona Nassimi |
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200 |
| Microbiology Lab Mr. Paymon Abri |
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220 |
| Senior Chemist, Product Certification: Mr. Kevin Chew |
![]() |
490 |
| Assistant Manager of Racing Lab: Ms. Julie Hagihara |
![]() |
380 |
| Organics: Mr. Mark Kotani |
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270 |
| Metal Analysis: Ms. Katia Kiarashpoor |
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250 |
| Wet Chemistry: Mr. Maksim Gorbunov |
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240 |
| Quality Assurance: Mr. Michael Ngo |
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204 |
| Manager of Operations: Mr. Randy Gates |
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150 |
| Human Resources | ![]() |
153 |











