NOA Maps & Resources
Maps
An Enhanced map (1:100,000 scale) of areas likely to contain naturally occurring asbestos in Placer County. The report and map image is 3.7 megabytes in size and may take some time to download. This map was prepared by the California Geological Survey (CGS) for the District as Special Report 190 which assessed the likelihood of the presence of Naturally Occurring Asbestos (NOA) in various areas of Placer County.
Detailed Maps
Detailed maps have been prepared showing the relative likelihood of the presence of naturally occurring asbestos. These maps are derived from the Enhanced Map prepared by the CGS. Because the scale is increased from the parent map, the area maps provide an increased ability to locate specific points while introducing some additional uncertainty.
- Alta and Vicinity - Naturally Occurring Asbestos Hazard Map (PDF)
- Colfax and Vicinity - Naturally Occurring Asbestos Hazard Map (PDF)
- Foresthill and Vicinity - Naturally Occurring Asbestos Hazard Map (PDF)
- North Auburn and Vicinity - Naturally Occurring Asbestos Hazard Map (PDF)
- Placer County Naturally Occurring Asbestos Hazard - Index Map (PDF)
- South Auburn and Vicinity - Naturally Occurring Asbestos Hazard Map (PDF)
Other Maps
- California Geological Survey's General Location Guide (PDF) for Ultramafic Rocks in California - Areas More Likely to Contain Naturally Occurring Asbestos
- Maps displaying ultramafic rock and other Placer County geologic formations at 1:250,000 scale:
- Geologic Map of the Sacramento Quadrangle, Map 1A, Sheet 1 of 4, available as part of a set of four sheets (Order Number Regional Geologic Map 001A) from the California Geological Survey. The California Geological Survey (CGS) database of publications contains publications available for purchase.
- Geologic Map of the Chico Quadrangle, Map 7A, Sheet 1 of 5, available as part of a set of five sheets (Order Number Regional Geologic Map 007A) from the California Geological Survey. The California Geological Survey (CGS) database of publications contains publications available for purchase.
Additional Resources
The California Air Resources Board (CARB) Asbestos website provides information, educational material, advisories and fact sheets regarding NOA for general public and interested homeowners.
Asbestos Fact Sheets
- Fact Sheet: General Information
- Fact Sheet Number 1: Health Information on Asbestos (PDF)
- Fact Sheet Number 2: School Advisory for Naturally-Occurring Asbestos (PDF)
- Fact Sheet Number 3: Ways to Control Naturally-Occurring Asbestos Dust (PDF)
- Fact Sheet Number 4: Naturally-Occurring Asbestos Around Your Home (PDF)
- Fact Sheet Number 5: Monitoring for Asbestos (PDF)
General asbestos information and information concerning use/exposure from asbestos in construction materials can be found on the U.S. Environmental Protection Agency's website. Information on asbestos exposure and your health is available on the Agency for Toxic Substances and Disease Registry.
Regulations & Fact Sheets
- CARB Regulatory Advisory: Advisory for Construction, Grading, Quarrying, and Surface Mining Operations (PDF)
- District Rule for Aggregate Containing Asbestos: Rule 224 - Aggregate Containing Asbestos (PDF)
- District Rule for Fugitive Dust: Rule 228 - Fugitive Dust (PDF)
- Fact Sheet: Dust Control for Projects in Areas "Most Likely" to Contain Naturally-Occurring Asbestos (PDF)
- Fact Sheet: Fugitive Dust Control Requirements (PDF)
- State Airborne Toxic Control Measure: Asbestos Airborne Toxic Control Measure for Construction, Grading, Quarrying, and Surface Mining Operations
- State Airborne Toxic Control Measure: Asbestos Airborne Toxic Control Measure for Surfacing Applications
- CARB Regulatory Advisory: Advisory for Surfacing Applications (PDF)
Additional websites with information on asbestos include: