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Asbestos Federal regulations define "Asbestos Containing Material (ACM)" as containing 1.0% or greater of asbestos by weight. California OSHA defines "Asbestos Containing Construction Material (ACCM)" as 0.1% or greater asbestos by weight. Note: neither Federal nor California OSHA define a regulatory level for compliance with employee exposure Requirements. California Business & Professions Code Division 3, Chapter 9. Contractors, Article 4. Classifications 7058.5. (a) - No contractor shall engage in asbestos-related work, as defined in Section 6501.8 of the Labor Code, which involves one hundred square feet or more of surface area of asbestos containing materials, unless the qualifier for the license passes an asbestos certification examination. Local Air Quality District define asbestos as RACM — Regulated Asbestos Containing Material means (a) friable ACM, (b) Category I non-friable ACM that has become friable, (c) Category I non-friable ACM that will be subjected to sanding, grinding, cutting or, abrading, or (d) Category II non-friable ACM that has a high probability of becoming or has become crumbled, pulverized, or reduced to powder by the forces expected to act on the material in the course of demolition or renovation operations. Category I non-friable asbestos-containing material (ACM) means asbestos- containing packings, gaskets, resilient floor cover, and asphalt roofing products containing more than 1 percent asbestos. Category II non-friable ACM means any material excluding Category I non-friable ACM containing more than 1 percent asbestos. Written notification to the district is required for the following: Any regulated demolition, whether asbestos is present. Any regulated renovation in which the following will be disturbed: 160 square feet or more of regulated asbestos-containing materials or, 260 linear feet or more of regulated asbestos-containing pipe insulation. SURVEY METHODOLOGY Sample Collection: A walk through of the subject site was conducted to develop a sample collection strategy based on site conditions. Samples were collected from debris atop the surface from both alleged locations. Three pits (approx. 18" depth) were excavated adjacent the tracks in location two and five areas were hand dug (approx. 12" depth) adjacent and atop the tracks in location one. Asbestos Report 107.22asb 1217 Stoakes Ave. Stockton, CA 95215 4ZUn. pg. 4