7 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Document / 2 pages
Chain of custody for fiberglass dust samples, PS 234M, Mar
Machine-extracted title · confidence 95%Letter and form documenting the chain of custody for settled dust bulk samples collected at P.S. 234M for fiberglass analysis by ATC Associates.
NYC-WTC_000175978–000175979Page image
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NYC 9/11 Public Portal Document
A total of thirty-three (33) settled dust bulk samples were collected from the aforementioned areas where there was sufficient amount of settled dust for bulk sampling and were analyzed utilizing Polarized Light Microscopy (PLM).
Analytical results indicated that none of the thirty-three (33) collected settled dust bulk samples contain fiberglass fibers.
The settled dust bulk sampling performed was limited to testing for fiberglass in locations indicated by ENVIRON Corp, and as outlined in the school’s BOE approved sampling protocol.
Attached please find the following:
• Settled dust bulk sample chain of custody form and laboratory results • Laboratory and personnel certificates
If you have any questions or require additional information regarding this limited settled dust bulk sampling, please do not hesitate to contact me at (212) 353-8280 extension #211.
Sincerely, ATCAssociates, Inc.
Senior Project Manager
Cc: Mr. T. Fusillo (ENVIRON Corp.) Ms. C. Procter (UFT) Mr. C. D’Andrea (NYC-DOH)
CONFIDENTIAL, CITY_21MC100_011530646 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175979
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NYC-WTC_000175979Source: NYC Law Department, mirrored locally
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