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3.0 REPRESENTATIVE ASBESTOS-CONTAINING MATERIAL SURVEY <br /> ATC representative, Mr. Javier Silva AHERA accredited and State of California, <br /> Department of Occupational Safety and Health (DOSH), Certified Site Surveillance <br /> Technician (CSST) conducted the asbestos survey at the John Deere Parts Distribution <br /> Depot located at 4101 South Airport Way, Stockton, California. All field work and report <br /> preparation was completed under the guidance of Mr. Dean Mochrie, DOSH Certified <br /> Asbestos Consultant (CAC). <br /> The building was visually inspected for the presence of building materials that are suspected to <br /> contain asbestos. Bulk samples of identified suspect ACMs were collected and placed into <br /> individual containers for transport to a National Voluntary Laboratory Accreditation Program <br /> (NVLAP)/American Industrial Hygiene Association(AIHA)-accredited laboratory for analysis. <br /> Materials visibly identified as non-asbestos (fibrous glass, foam rubber, wood, etc.) were not <br /> sampled. The asbestos survey consisted of four basic procedures: 1) conducting a visual <br /> inspection of the structures; 2) identifying homogeneous areas (HAs) of suspect surfacing, <br /> thermal system insulation, and miscellaneous materials; 3) sampling and quantifying accessible <br /> friable and non-friable suspect materials; and 4) evaluating the condition of the materials and <br /> completing a hazard assessment to determine potential exposure risks. <br /> 3.1 Homogeneous Areas <br /> Prior to collecting any samples, HAs were identified and listed to develop a sampling strategy. <br /> A homogeneous sampling area can be described as one or more areas of material that are <br /> similar in appearance and texture and that have the same installation date and function. The <br /> actual number of samples collected from each homogeneous sampling area may vary, based on <br /> the type of material and the professional judgment of the inspector. <br /> 4 <br />