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N Environmental Impact Summary Letter Page 4 TEIXEIRA—SOUZA PROPERTY WKA No. 6504.07 Asbestos Containing Material Sampling Results and Recommendations Based on the findings during the inspection, a total of 65 discrete materials (samples) were collected for asbestos analysis. The discrete material samples were collected from various building materials (sheetrock, vinyl flooring) from each residence and the milking house. The samples were submitted under chain-of-custody to QuanTEM Laboratories located in Oklahoma City, Oklahoma for asbestos analysis using polarized light microscopy methodology. Asbestos was detected in three of the 65 samples. Each of the three samples was associated with sheet vinyl flooring and had a concentration of 15 percent asbestos structures. The asbestos in each sample was identified as chrysotile. Based on these results,the following materials contain asbestos that will require abatement prior to implementing demolition activities: • Approximately 30 square feet of sheet vinyl flooring in the residence located at 21949 Mountain House Parkway, • Approximately 300 square feet of sheet vinyl flooring in the residence located at 21947 Mountain House Parkway, and • An additional 300 square feet of sheet vinyl flooring in the residence located at 21947 Mountain House Parkway The location and results of these samples is presented on Figure I attached to this Summary Letter. The 630 total square feet of sheet vinyl flooring must be removed by a Cal/OSHA registered asbestos abatement contractor prior to demolition because those materials may become friable and airborne during demolition activities. In addition, a notification must be filed with Cal/OSHA at least 24 hours in advance of implementing abatement activities and the San Joaquin Valley Air Pollution Control District must be notified 10 working days in advance of implementing abatement activities. Following removal, the asbestos containing building material must be disposed of as hazardous waste. Destructive testing within the structures was not conducted during the asbestos survey. If concealed systems or currently inaccessible materials are encountered during demolition activities, they must be handled as though they contain asbestos until proven otherwise. A detailed report presenting all results and recommendations from the asbestos survey is forthcoming.