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Center for Environmental Health
Division of Radiation Safety and Environmental Management
X-ray Inspection & Compliance Contact

radiologic health branch (rhb)

Contact ICE X-ray Section

Please send your compliance related questions to the regional office that handles compliance for the county where the entity is physically located. If you have a radiation safety complaint, please complete the Radiation Safety Complaint form RH 1027 (PDF) and email it to the appropriate address below.

Subject Areas:

Mammography or therapy approval - RHBRMT@cdph.ca.gov.
Registration billing inquiries (not for new registrants who paid online) - RHBReg@cdph.ca.gov
Registration billing inquiries for new registrants that pay online through the registration portal - cdph.rhbinvoice@cdph.ca.gov
Registration (general questions) - XrayRegistration@cdph.ca.gov
New X-ray or nuclear medicine technology certification or permits - RHBCSU@cdph.ca.gov
Dental Radiography - California Remote Radiation Dose assessment program for mailed evaluation - RHBDIQUAD@cdph.ca.gov

RHB Regional Offices

Region 1

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@cdph.ca.gov