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Air monitoring report, WTC site, undated

Machine-extracted title · confidence 85%

KAM Consultants report on phase contrast microscopy analysis of air filters submitted to Citywide Administrative Services.

NYC-WTC_000178268–000178272
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Scanned page image, NYC-WTC_000178270
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Z KAM CONSULTANTS Z o 35-40 36thStreet o g Long Island Cily REPORT OF AIR MONITORING co

o NewYork 11106 (PHASE CONTRAST MICROSCOPY ANALYSIS OF AIR FILTERS) I “0 O O Tel: (718)729-1997 c CT O Fax: (718)729-1876 CLIENT: DCAS DATE: 09/27/01 o' PROJECT; ADDRESS: 125 Worth Street, Manhattan "0 00 o KJ 10th, 8th, Sth, 4th, 2nd,& 1st Floor ==z=====

o R W CD CLIENT FLOW FLOW SAMPLE FIBERS FIBERS E O TIME TIME 0 SAMPLE LOCATION BEF. AFTER VOLUME PER PER REMARKS U\BID# o S R IN OUT o ID# (Ipm) (Ipm) (liters) FIELD CC c P K 3 24 1st Floor Lobbies - East Entrance Centre Street 12:35 14:35 10 10 1200 <0.055 <0.01 Air Quality (Immed. TAT) A010928H-24 o 3 25 Field Blank <0.055 A010928H-25 26 Field Blank <0.055 A010928H-26 27 Field Blank <0.055 A010928H-27

I -

TYPE OF RESPIRATORS: 1 = HALF FACE, 2 = PAPR, 3 = TYPE C, 4 = OTHER (SPECIFY): TYPE OF WORK: 1= BLDG DECON, 2 = PLASTICIZING. 3 = GROSS REMOVAL, 4 = GLOVEBAG, 5 = CLEANING, 6 = ENCAPSULATION, 7 = BAGOUT, 8 = OTHER (SPECIFY): Q SAMPLING TECHNICIAN: M. Golembo, M. Tchatchueng, Z.B. Nowak DATE RECEIVED; 09/28/01 K ROTAMETER: KAM- 04 DATE OF ANALYSIS; 09/28/01 I DATE OF REPORT: 10/01/01 Analyst: Lab Manager: lepak Baj'racharya David Chen o The samples listed above are analyzed by Phase Contrast Microscopy (PCM) as per NIOSH 7400 Method -Issue 3. The detection limit of this method is 7 fibers per square mm per filter area. o I KAM CONSULTANTS shall not be liable for information arising from samples that are not in its QA and QC program. o The results relate only to the items calibrated or tested. The certificate of report shall not be reproduced without approval of the laboratory. The report must not be used by the client to claim endorsement by NVLAP or any agency of the U.S. Government. co co Nrs-DOH ELAr » 11273 AlflA if 100269 CK 2 KJ cn

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NYC-WTC_000178270Source: NYC Law Department, mirrored locally

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