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Document / 7 pages

Facsimile cover sheet, laboratory report transmission

Machine-extracted title · confidence 78%

Facsimile transmission cover sheet for delivery of laboratory reports from an engineering consulting firm.

NYC-WTC_000161728–000161734

Folder label: “WTC- Air Data

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Scanned page image, NYC-WTC_000161729
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

/

WKP LABORATORIES, INC AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY CLIENT; WARREN & PANZER ENGINEERS, P.O. TURNAROUND TIME 24HRS WKP FILE# 801-01 SAMPLE DATE 4/10/02 WKPU06I.D.# N020497 RECEIVED DATE 4/10/02 Contract#; WTCAra ANALYSIS DATE 4/11/02 REPORT DATE 4/11/02 CLIENT JOB: NYC Departmant of Enviiwimontal Praieetlon

CLIENT JOB ft 107B,Q1,01

LOCATION WTC Sampling

ANALYSIS: AIRBORNE FIBER COUNTING, PHASE CONTRAST MICROSCOPY, NIOSH 7400. NIOSH PAT Lab NO. 07186; NY STATE ElAP Lab NO. 11231. COLLECTION DEVICE* Fitter Cassette; Collection Area = 368 sq mm; Reid Area = 0.00765 sq mm.

SAMPLE WERE COLLECTED BY: Fasty Osemwegle

SUMMARY OP ANALYSIS CUENT VOLUME FIBERS/ SAMPLE# Site# SAMPLE LOCATION [LITERS) sqmm ■ FIBERS/ cc 1D7B.O1.O1 001 Field Blank 0.0 002 Field Blank 0.0 003 29 Trinity Place and Thames street 876 3.8 <0.004 004 21 Fulton and Church Street 678 1.3 <0.004 005 ZOA Vesey Street and West Broadway 675 8.4 0.004 006 18 Park place and Churdt street 676 6.9 0.006 007 12 Murray Street and Church Street 678 12.7 0.007 OOB 16 Perk Piece and Greenwich Street 675 14.0 0.008 OOB 11 Murray Street and Greenwich Street 675 9.8 0.008

NOTES: 1.6-8 fibara/l 00 fields was used to calculate the limit of detection (LOD). Results below the LOD have no statistIcaJ validity. 2. Samples were not coUacted by wkp Laboratories, Ino.

4. PCM air samples will be dieposed of after 3 months unless otherwise directed by dlant In writing.

DM

LABORATORY ANALYST LABORATORY DIRECTOR

NYC-WTC_000161729

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NYC-WTC_000161729Source: NYC Law Department, mirrored locally

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