County of Alpine, Amador,
Butte, Calaveras, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Lake, Lassen,
Madera, Marin, Mariposa, Mendocino, Modoc, Napa, Nevada, Placer, Plumas,
Sacramento, San Juaquin, Shasta, Sierra, Siskiyou, Sonoma, Tehama, Trinity,
Tuolumne, Yolo, and Yuba.
RHBXRayInspectionRegion1@ācdph.ca.govā