WKP Air Sample Analysis Report for WTC Sampling, May 2002

NYC 9/11 Public Portal Document

WKP BsfSwOwBI !( LABORATORIES, INC AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY

CLIENT; WARREN & PANZER ENGINEERS, P.C. TURNAROUND TIME 24HRS WKP FILE# 501-01 S/1tt002 SAMPLE DATE WKP LOG I D. # N020S02, N020S03. and N020504 RECEIVED DATE s;i4ic»2 Contract #; WTCAR2 9/2/2902 /LNALVSI8 DATE

REPORT DATE 5/2/2002 CLIENT JOB: NYC Department 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 sq mm;

SAMPLE WERE COLLECTED BY; Pesty Osemwegie. J. Garcia, and Banny Giambnone .

SUMMARY OF ANALYSIS

CLIENT FIBERS/ FIBERS/ SAMPLE# Site# SAMPLE LOCATION Vol. sq mm cc

1079.01.01 001 27 Gateway Piaza Park Area 875 1.30 <0.004

002 31 South End A’/e. and Albany Street 676 1.30 <0.004

003 32 West Street arte Albany Place 875 3.20 <0.004

004 33A Rector Place by the Park Place 675 0.00 <0.004

005 34 W. Thames Street • Along Waterfront 675 2.50 <0.004

006 37 West of Thiid Place 675 1.30 <0.004 007 8 West Streel and Warren Street . 675 1.30 <0.004

006 4 River Terrace arte Chambers Street 675 0.00 <0.004 009 6A River Terrace Park Area Between Park Place and Warren Street 675 1.30 <0.004

010 S River Terrace and Park Piace 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 675 0.00 <0,004

014 29 Trinity Place and Thames Street 675 0.00 <0.004 01S 21 Fulton and Church Street 675 0.00 <0,004 016 20A Vesey Street and West Broadway 675 0.00 <0,004 017 16 Park place and Church Street 675 0.00 <0,004

018 12 Mun'ay Street and Church Street 675 0.00 <0.004

019 15 Park Place and Greenwich Street 675 0.00 <0.004 020 11 Murray Street and Greenwich Street 675 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 net collected by WKP Laboratories,.Inc, 3. The Federal ERA 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 writing.

LDuiS Lombardi

LABORATORY ANALYST LABORATORY DIRECTOR

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