Match the survey to the plans
A good survey is drawn from the plans: every wall, ceiling, floor and system the work will remove or cut, sampled layer by layer, with a map of where each sample came from. In a covered building the surveyor must have passed a current EPA-approved building inspector course, and the survey must be done regardless of the building’s age.
California adds its own layer: anyone providing asbestos consulting for projects of 100 square feet or more must hold Cal/OSHA certification as an asbestos consultant, or work as a site surveillance technician under one. When the plans change, the survey has to change with them, so send revised drawings before anyone cuts.
If only one material is involved, its own page goes deeper; window and door openings, for example, are covered under asbestos stucco removal. The La Mesa Asbestos Removal homepage gathers the rest.