Environmental Health Laboratory Public health lab and reference services. Online Contact form through here: www.cdph.ca.gov/_layouts/dhs/sitecomments/default.aspx Website: www.dhs.ca.gov/ehlb/Email: Jed.Waldman@cdph.ca.govPhone: 916 558-1784Mailing Address:850 Marina Bay Parkway, MS G365Richmond, CA 94804Date Updated: 12/15/2010