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NYC-WTC_000232359
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000232359–000232360Page image
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NYC 9/11 Public Portal Document
Stuyvesant High School Chambers Street, New York, NY SCA Project #:M477-15217, LLW#: 29881
Scope of Work/Sampling Protocol for Clean-Up of Unit Ventilator's Contractor: Kiss Construction, Inc.
1. TDX is to disconnect and open external cover of Unit Ventilator's in classroom 2. Kiss Construction will construct tent (1 layer 6 mil poly) around all Unit Ventilator's within classroom. Kiss will use HEPA vacuum as negative air 3. Lead Personal Air Monitoring (IWA) When Kiss starts building tent in each classroom, calibrate personal pump with lead cassette to 2 L/min and put on one worker. Write Workers Name, SS Number, and Room Number on Chain of Custody. Examp/e: IfK/ss are buf/d/ng tents in four (4) c/assrooms, Tay/or w/ii be samp/ing 4 (four} different ivorkers, (one in each ciassroom/tent} Change cassette(s) on worker(s) every 4 (four) hours. 2 (two) samples per worker per shift (Minimum Volume - 200L) - (100 Min @ 2 MMin) (Maximum Volume - 1500L) - (750 Min @ 2 L/Min) 4. Lead Ambient (outside tent) Air Monitoring (OWA) When Kiss start building tent in each classroom, calibrate high volume (AC) pump to 2 L/Min with lead cassette, use stand (5' High) and position pump away from tent inside classroom near entrance to corridor/hallway. Collect 1 (one) sample for duration of shift («8 hours) (Same minimum/maximum volumes as for personals) At conclusion of sampling, collect air-samples (check final flow rates): personals and ambients (collect 10% or minimum of 2 field blanks per batch) and drop off samples to lab (ATC) for 12 hour turnaround time (not 6 hour: wipes only) AiOTE: For aii iead air sampies write i\iIOSH Ffetbod 7082 on Chain of Custody' and 12 hour turnaround time in Comments Section. 5. Kiss will clean Unit Ventilator's within tent enclosure. Taylor will perform visual inspection of Unit Ventilator's and interior of tent to ensure no-dust remains.
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NYC-WTC_000232359
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NYC-WTC_000232359Source: NYC Law Department, mirrored locally
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