NYC-WTC_000175376
Chain of custody form for lead-in-dust wipe samples collected at P.S. 131M on August 22, 2002.
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Lead-in-dust wipe sampling report, P.S. 126M, Aug 2002
Machine-extracted title · confidence 95%Confidential report detailing limited lead-in-dust wipe sampling conducted at P.S. 126M in August 2002.
NYC-WTC_000175257–000175259Page image
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NYC 9/11 Public Portal Document
The lead-in-dust samples were obtained by gently wiping a pre-measured surface area with non-alcohol moistened towelettes. ATC’s representative wore disposable gloves; a new glove was worn with each new sampling procedure, and care was taken to avoid contamination of the towelette and collection vial. Towelettes were then placed into SOml plastic vials and immediately sealed. The chain of custody form was completed and documents the measurement of the area sampled.
Results of Dust Wipe Sampling Fifteen (15) dust wipe samples were collected, fi-om areas indicated to ATC. Laboratory analysis is shown that all dust wipe samples collected from the indicated areas contain lead on floor and window sill surfaces below the guideline level of 40 jig/ft^ and 250 ug/ft" respectively. See laboratory report and chain of custody for more details.
Limits of the limited dust wipe sampling Dust sampling was conducted at NYC-BOE request. The results of this report are applicable for the time the testing was performed. If questions arise concerning lead content in or on components and/or locations not tested by ATC, then additional testing services should be procured. ATC makes no representation or warranty concerning the standards and specifications provided in the HUD Guidelines and the NYC-BOE protocol.
It is our pleasure to provide these limited lead services to New York City Board of Education. If you have any questions regarding this limited lead-in-dust wipe sampling, please do not hesitate to call me at (212) 353-8280 extension #211.
Sincerely, ATCAssociates, Inc.
( ^iannis Efstathi; Senior Project Manager
P.S. 126M& M893 Ctatc IMC. August 22, 2002
CONFIDENTIAL, CITY_21MC100_003430857 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175259
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NYC-WTC_000175259Source: NYC Law Department, mirrored locally
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Chain of custody form for lead-in-dust wipe samples collected at P.S. 131M on August 22, 2002.
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