certificate

New Mexico Environment Department Radiation Control Bureau

New York State Department of Health Bureau of Environmental Radiation Protection

North Carolina Department of Health and Human Services Radiation Protection Section

North Dakota Department of Environmental Quality Radiation Control Program

Ohio Department of Health Radiologic Licensure Program

Oklahoma State Department of Health Radiation Management Program

Massachusetts Department of Public Health Radiation Control Program

Oregon Health Authority Radiation Protection Services

Michigan Department of Health and Human Services Radiation Safety Section

Pennsylvania Department of Environmental Protection Radiation Program