Forwarding WTC air monitoring scope for final review, Aug 2002

NYC 9/11 Public Portal Document

§763.66 40 CFR Ch. I (7-1-00 Edition) that samples are collected, homo­ (vi) Reassess, under §763,88, the con­ geneous areas where friable suspected dition of friable known or assumed ACBM is assumed to be ACM, and ho­ ACBM previously Identified. mogeneous areas where nonfrlable sus­ (vii) Record the following and submit pected ACBM is assumed to be ACM. to the person designated under §763.84 (C) A description of the manner used a copy of such record for inclusion in to determine sampling locations, the the management plan within 30 days of name and signature of each accredited the reinspection: Inspector who collected the samples. (A) The date of the reinspection, the State of accreditation, and, if applica­ name and signature of the person mak­ ble, his or her accreditation number. ing the relnspectlon. State of accredi­ (D) A list of whether the homo­ tation, eind if applicable, his or her ac­ geneous areas identified under para­ creditation number, and any changes graph (a)(4)(vi){B) of this section, are in the condition of known or assumed surfacing material, thermal system in­ ACBM. sulation, or miscellaneous material. (B) The exact locations where sam­ (E) Assessments made of friable ma­ ples are collected during the relnspec- terial, the name and signature of each tion, a description of the manner used accredited inspector making the as­ to determine sampling locations, the sessment, State of accreditation, and if name and signature of each accredited applicable, his or her accreditation Inspector who collected the samples. number, State of accreditation, and, if applica­ (b) Reinspection. (1) At least once ble, his or her accreditation number. every 3 years after a management plan (C) Any assessments or reassess­ is in effect, each local education agen­ ments made of friable material, the cy shall conduct a reinspection of all name and signature of the accredited friable and nonfrlable known or as­ inspector making the assessments. sumed ACBM in each school building State of accreditation, and If applica­ that they lease, own, or otherwise use ble, his or her accreditation number. as a school building. (c) General. Thermal system insula­ (2) Each inspection shall be made by tion that has retained its structural in­ an accredited inspector. tegrity and that has an undamaged (3) For each area of a school building, protective Jacket or wrap that prevents each person performing a reinspection fiber release shall be treated as nonfri- shall: able and therefore is subject only to (1) Visually relnspect, and reassess, periodic surveillance and preventive under §763.88, the condition of all fri­ measures as necessary. able known or assumed ACBM. (ii) Visually Inspect material that § 763.86 Sampling. was previously considered nonfrlable ACBM and touch the material to deter­ (a) Surfacing material. An accredited mine whether it has become friable inspector shall collect, in a statis- since the last inspection or relnspec- tically random manner that is rep­ tion. resentative of the homogeneous area, (ill) Identify tiny homogeneous areas bulk samples from each homogeneous with material that has become friable area of friable surfacing material that since the last inspection or relnspec- is not assumed to be ACM, and shall tion. collect the samples as follows: (iv) For each homogeneous area of (1) At least three bulk samples shall newly friable material that is already be collected from each homogeneous assumed to be ACBM, bulk samples area that is 1,000 ft^ or less, except as may be collected and submitted for provided in § 763.87(c) (2). analysis in accordance with §§763.86 (2) At least five bulk samples shall be and 763.87. collected from each homogeneous area (v) Assess, under §763.88, the condi­ that is greater than 1,000 ft^ but less tion of the newly friable material in than or equal to 5,000 ft^, except tts pro­ areas where samples are collected, and vided in § 763.87(c) (2). newly friable materials In areas that (3) At least seven bulk samples shall are assumed to be ACBM. be collected from each homogeneous

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