WKP Air Sample Analysis Report for WTC Sampling, May 2002

NYC 9/11 Public Portal Document

WKP LABORATORIES, INC S0W AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY

CLIENT: WARREN & PANZER ENGINEERS, P.C. turnaround time 24 HRS WKP FILE # 501-01 SAMRue DATE 4/30/02 WKP LOG I.D. # N0204Z3a, N020d238, and N0204240 RECEIVED 0AT6 4/30/02 Contract #: WTCAR2 ANALYSIS DATE 4/3(l«2

REPORT DATE 5/1/D2 CLIENT JOB; NYC Oapartment of Environmental Protection CLIENT. JOB 1079.01,01 LOCATION S.W. Area/ Site Map ANALYSIS: AIRBORNE FIBER COUNTING. PHASE CONTRAST MICROSCOPY, NIOSH 7400. NIOSH PAT Lab NO. 07186; NY COLLECTION DEVICE: 25 mm MCE Filter Cassette; Collection Area = 385 BQ mm;

SAMPLE WERE COLLECTED BY; Fosty Osamwegie, J. Gsreia, and E. Dibra

SUMMARY OF ANALYSIS CLIENT FIBERS/ FIBERS/ SAMPLE# She# SAMPLE LOCATION Vol, sq mm cc 1079.01.01 001 27 Gateway Plaza Park Area 675 0.00 <0.004 002 31 South End Ave. and Albany Street 675 0.00 <0.004 - 003 32 West street end Albany Place 675 0.00 <0.004- 004 33A Rector Place by the Park Place 675 1.30 <0.004- 005 34 W. Thames Street - Along Waterfront 676 0.00 <0.004 - 006 37 West of Third Place 67S O.OD <0.004 - 007 3 West Street and Warren Street 675 2.5D <0.004 , 008 4 River Terrace and Chambers Street 675 0.00 <0.004, 009 6A River Terrace Perk Area Between Park Place and Warren Street 67S 1.30 <0004, 010 B River Terrace and Park Place West 675 1.30 <0.004^ 011 17 River Terrace and Vesey 675 0.00 <0.004- 012 7 Warren Street and North End Avenue 675 0.00 <0.004- 013 10 North End Avenue Park place West 676 0.00 <0.004 - 014 29 Trinity Place and Thames Street 675 0.00 <0.004- 015 21 Fulton and Church Street 678 0.00 <0.004- 016 20A Vesey Street and West Broadway 675 0,00 <0.004- 017 16 Park piece and Church Street 675 0.00 <0.004, 015 12 Murray Street and Church Street 675 0.00 <0.004- 019 15 Park Place and Greenwich Street 675 0.00 <0.004 X

020 11 Murray Street and Graanwich Street 67S 0.00 <0.004 021 Field Blank 0.00 022 Field Blank 0.00

NOTES; 1. 5.5 fibers/100 fields was used to calculate the limit of detection (LOO). 2. Samples were not collected by WKP Laboratories, Inc. 3. The Federal EPA Clearance Critical following an asbestos abatement project is 0.010 fibers/cc. 4. PCM air samples will be disposed of after 3 months unless otherwise directed by client in wrihng.

Louis Lombardi

LABORATORY ANALYST LAbORATORY DIRECTOR

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