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October 16, 1995 UEC Document No.: R -1659510A UEC Job No.: 165040-9510C 2.3 Essential Equipment At least one water truck will be necessary for each area of operation where excavation activities are underway; the water shall be used to adequately wet the soil being worked by the abatement /excavation crew such that no visible emissions to the atmosphere result as a consequence of the cleanup activity. D. 0. T. approved containers equipped with secure, hard tops, shall be used to contain and haul the asbestos containing soil excavated from the site. It is the responsibility of the asbestos abatement contractor to ensure that appropriate containers are used for the transportation of the excavated material. The choice of heavy equipment used by the abatement contractor shall include non -tracked excavation vehicles; furthermore, due to the requirement that the excavation area be sufficiently wetted during all excavation activities, it is advisable to utilize all wheel driven vehicles. As noted in Section 5.0 of this document, it is the responsibility of the asbestos abatement contractor to ensure that all applicable Cal -OSHA regulations are adhered to in regards to ensuring the safety of its crew. More specifically, the asbestos abatement contractor shall supply all members of the cleanup crew with adequate body and respiratory protective type gear while handling /excavating the asbestos containing material /soil. 3.0 AIR QUALITY ASSURANCE: AIR MONITORING A UEC DOSH Certified Asbestos Consultant will be on site during all cleanup activities in order to collect both area and exposure air samples. Furthermore, the UEC CAC will be available to advise the abatement crew foreman of work practices and engineering controls which will minimize the release of asbestos fibers into the atmosphere. Both the area and exposure type air samples collected during the cleanup effort will be analyzed by Phase Contrast Microscopy (PCM) using the NIOSH 7400, Revision No. 3, May 15, 1989, A counting rules by a National Voluntary Laboratory Accreditation Program (NVLAP) and American Industrial Hygiene Association (AIHA) accredited laboratory. Air samples collected during the first day of cleanup activities will be made available to the abatement contractor within 24 hours of sample collection. All other air samples (baseline, final clearance) will be made available within 72 hours of sample collection. 5