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Sam "D Methodolo ; Asbestos is a generic name given to a number of naturally occurring hydrated mineral silicates that possess a unique crystalline structure, are incombustible in air, and are separable into fibers. Asbestos includes asbestiform varieties of chrysotile (serpentine); crocidolite (riebecicite); amosite (cumnningtonite-grunerite); anthophyllite; tremolite, and actinolite. Inhalation of asbestos fibers has been linked to diseases such as asbestosis, lung cancer, and mesothelioma. All asbestos sampling performed by Hawk Environmental Services is carried out pursuant to 40 CFR 763.86 as required by both AHERA and ASHARA. All samples will be collected by an AHERA accredited asbestos building inspector and analyzed by polarized light microscopy by a laboratory accredited by the National Bureau of Standards (NBS). All asbestos samples are taken under wet-removal method to limit the likelihood of airborne particles being released. Notes and terms: Homogeneous Sampling Area-An areas of suspected asbestos containing building materials which appears similar throughout in color, texture, and date of material application, Thermal System.insulation- Material applied to pipes, fittings, boilers, breechings, tanks, ducts, or other interior structural components to prevent heat loss or gain, or water condensation, or for other purposes. Surfacing Material- Material that is sprayed-on, troweled-on, of otherwise applied to surfaces, such as acoustical plaster on ceilings and fireproofing materials on structural members, or other materials on surfaces for acoustical, fireproofing, or other purposes. Miscellaneous Material- Interior building material on structural components, structural members or fixtures, such as floor and ceiling tiles, and does not include thermal system insulation or surfacing materials. Hawk Environmental Services, Inc. Page 4