8 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
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69 MURRAY STREET Block: 132 Lot: 3 BIN: 1001420
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000097883–000097894Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9111 Public Portal Document
J. C. Broderick & Associates •C •b • Environmental Engineers
October 23, 2001
Mr. Howard Berman 69 Murray Street Housing Coop. 69 Murray Street New York, New York 10007 Report Letter Re: Ambient Asbestos Air Quality Sampling Method of Analysis at Utilizing Transmission Electron Microscopy (TEM) 69 Murray Street Penthouse Suite New York, New York 10007 October 18, 2001
JCB# 01-2273
Dear Mr. Berman: sampling and Inc.(JCB) was retained to perform ambient asbestos in air J.C. Broderick & Associates, The air sampling was Pperformed on October 18, 2001 by a JCB New analysis at the above referenced site. Samples were collected, chain of custody forms prepared, and technician. York State certified air sampling certified laboratory for the presence of asbestos fibers by Transmission delivered to an independent ELAP Electron Microscopy (TEM). te or Xed The TEM analysis involves collecting S airborne contaminates eby° t the face prescreened of a he use of portable large volume vacuum cellulose ester filter. Again, air is drawn across collapsed using an acetone vapor technique and then plasma analyzing, the filter media is and, in some cases, pumps. Prior to and using electron ction patterns structures are counted and a length etched. Then fiber analyzed methodology, all rs with a aspect ratio greater than asbestos 5 energy dispersive X-rays. Under this identify these fibers as or non- counted. TEM analysis can positively of at least 0.5 micrometers are asbestos. Section 90, Environmental Protection Agency (US EPA), as indicated analyzed by The United States the average concentration n of asbestos fibersas considers remediation activities complete when laboratory report none of samples does not exceed 70 s/mm2. As you can see from the attached TEM method asbestos fibers. analyzed revealed concentrations of asbestos handling of the chain of custody, lab analysis report and a copy of JCB's Attached please find a copy please call. cense. If you have any questions or if more information is needed li
Sincerely,
Kevin J. Kortlang ASSOCIATES, INC. J.C. BRODERICK &
attachments
631-584-3395 NY 11741-Tel: 631-419-0913 - 631-5B4-5492 - FAX: 101-4 Colin Drive, Holbrook,
NYC-WTC 000097889
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NYC-WTC_000097889Source: NYC Law Department, mirrored locally
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