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01-24-12 Packet
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City of South Bend— Former Gates Chevrolet/Toyota Facilities <br />January 17, 2012 <br />Page 5 of 7 <br />(Form 44593 — Notification of Demolition and Renovation Operations) at least 10 days prior to the start of <br />demolition /renovation activities. Any such Asbestos Containing Material Survey must be completed by a <br />State of Indiana Registered Asbestos Inspector. <br />The purpose of the asbestos inspection is identification of the presence of Asbestos Containing Materials <br />(ACMs) in accordance with the National Emission Standard of a Hazardous Air Pollutant (NESHAP) for <br />Asbestos 40 CFR 61, Subpart M, and 326 IAC 14 -10, Emission Standards for Asbestos; Demolition and <br />Renovation Operations. <br />The survey for ACMs will begin with a walk- through of the existing structure to document locations of <br />friable and non - friable materials that may be present. Friable materials are those that can be pulverized <br />or reduced to powder by moderate pressure, such as spray applied fireproofing and acoustical materials, <br />ceiling tiles and most thermal system insulation. Non - friable materials are those that cannot be crumbled <br />easily, such as resilient floor tiles and cement asbestos (Transite) board. Although emphasis is on <br />detecting friable materials, the possible presence of non - friable ACMs must also be considered, during <br />renovation, non - friable materials may be pulverized or otherwise damaged so as to release asbestos <br />fibers into the air. <br />The sampling strategy for any suspect material is dependent upon the application, the area of coverage <br />and the uniformity of the application. There are three (3) types of asbestos containing materials (ACMs): <br />1. Thermal System Insulation (TSI), 2. Surfacing Materials (S), and 3. Miscellaneous Materials (Misc). <br />Thermal System Insulation is material used to prevent heat loss or gain and prevent condensation, and <br />includes: pipe insulation, valve and fitting insulation, boiler system insulation, breeching insulation and <br />tank insulation. Surfacing materials are sprayed on, troweled on, or materials otherwise applied to a <br />surface and include: acoustical plaster, fireproofing on structural members or decking, or on surfaces for <br />the purpose of fireproofing. Miscellaneous or "other" materials are those that are not characterized as <br />Thermal System Insulation or Surfacing Materials, and include: ceiling tile, floor tile, roofing felt, cove <br />base and associated adhesive or mastic. <br />Each suspect ACM (i.e., TSI, S or Misc.) identified from the initial walkthrough of the facilities will be <br />placed into a group of similar materials identified as a homogeneous area. Homogeneous areas are <br />identified as materials of the same type, color, texture and estimated age of installation. Upon identifying <br />homogeneous areas, representative samples will be collected on a random basis. At any time during the <br />survey, the Inspector can elect to assume that a specific material is asbestos containing, and thereby <br />forego sampling requirements for that homogeneous area. <br />Sample collection will involve extraction /separation of approximately 10 cubic centimeters of the suspect <br />material, inclusive of all layers present within the material. Only suspect material samples will be <br />submitted for laboratory analyses. Samples will be sealed in airtight containers, numbered and labeled, <br />and forwarded to an approved laboratory for analysis by the EPA recommended method of Polarized <br />Light Microscopy (PLM) coupled with dispersion staining. <br />Sampling and analysis of suspect materials is performed in an effort to try and confirm the presence of <br />asbestos, or eliminate suspect materials as ACMs. Elimination of a material as an ACM for purposes of <br />maintenance, renovation or demolition occurs if: 1. the material is visibly non -ACM (fiberglass and <br />rubberized materials), 2. documentation indicates that the materials used in manufacture are non -ACM, <br />or 3. sampling and analysis are performed. <br />Wightman Petrie will attempt, through the application of our sampling strategy, to make a determination of <br />the asbestos content of any identified homogeneous materials for which sampling is in fact performed <br />(i.e., certain materials may be assumed to be asbestos - containing). <br />
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