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20290 E. River Rd, Ripon Page 2 of 2 <br /> Certified Laboratory. (A list of State Certified Laboratories can be obtained from the following link: <br /> https://www.sigov.orq/uploadedfiles/sic/departments/ehd/forms/certified%201aboratories%20wa_ter°/o <br /> 20testing.pd). <br /> If you have any questions please call Naseem Ahmed, Senior Registered Environmental Health <br /> Specialist, at nahmed@sjggov.or or (209) 616-3018. <br /> Steven Shin, REHS <br /> Program Coordinator <br /> Certified mail tracking number: <br />