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Summary Instructions for inspectors on reviewing building records and identifying WTC dust indicators during HVAC evaluations.
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Summary Instructions for inspectors on reviewing building records and identifying WTC dust indicators during HVAC evaluations.
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Summary Instructions for inspectors on reviewing building records and identifying WTC dust indicators during HVAC evaluations.
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Summary Summary of disagreements between the EPA and DEP regarding asbestos containment requirements and public signage for HVAC cleaning operations.
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Summary Technical comments regarding air velocity requirements and equipment specifications for duct cleaning operations.
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Summary Technical comments outlining procedures for isolating work zones, maintaining negative pressure, and air testing during HVAC system cleaning.
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Summary Detailed inspection checklist for exhaust air outlet location, accessibility, and contamination conditions.
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Summary Detailed inspection checklist for exhaust air outlet location, accessibility, and contamination conditions.
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Summary Inspection checklist for HVAC system components including mechanical room conditions and outside air intake details.
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Summary Inspection checklist for HVAC system components including mechanical room conditions, outside air intake accessibility, WTC dust presence, and component condition documentation.
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Summary Inspection form for HVAC components including outside air intake and exhaust outlets, assessing accessibility and presence of WTC dust contamination.
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Summary Additional ventilation system evaluation form for systems not covered in prior forms, including mechanical room assessment and WTC dust findings.
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Summary Draft cleaning protocol specifying isolation techniques, vacuum collection methods, HEPA equipment use, and contamination control procedures for ventilation ducts.
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Summary Technical guidance on maintaining air velocity and negative pressure during duct cleaning, HEPA device specifications, and dust containment methods.
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Summary Instructional guidance for completing ventilation system evaluation forms, including documentation of prior inspections, maintenance records, and WTC dust assessment.
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Summary Instructional guidance for completing ventilation system evaluation forms, including documentation of prior inspections, maintenance records, and WTC dust assessment.
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Summary Instructional guidance for completing ventilation system evaluation forms, including documentation of prior inspections, maintenance records, and WTC dust assessment.
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Summary Instructional guidance for completing ventilation system evaluation forms, including documentation of prior inspections, maintenance records, and WTC dust assessment.
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Summary Instructional guidance for completing ventilation system evaluation forms, including documentation of prior inspections, maintenance records, and WTC dust assessment.
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Summary Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.
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