NYC-WTC_000206732

NYC 9/11 Public Portal Document

WKP LABORATORIES, INC AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY

CLIENT: WARREN & PANZER ENGINEERS, P C. TURNAROUNO Tine 24HRS WKP PILE # 501-01 SaMPLS date 7W02 WKP LOG I.D.# NO2O7103, N0207104 and NOZOTIOS RECEtvSa DATE 7.M2 Contract #: VZTC AR2 analysis bate 7/10(62 REPORT DATE 7(10/02 CLIENT JOB: NYC Departmeni of Environmental Proteotion 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: Colieclipn Area = 305 sq mm;

SAMPLE WERE COLLECTED BY: Warren and Panzer Engineers

SUMMARY OF ANALYSIS CLIENT FIBERS/ FIBERS,’ SAMPLE# Site# SAMPLE LOCATION Vol. 6Q mm cc

1079.01.01 001 27 Gateway Plata Park Area 875 2.50 <0.004 002 31 South End Ave. and Albany Street 675 1.90 <0 004 003 32 West Sveat and Albany Place 675 6.40 <0 004 004 33A Rector Place by the Park Place 675 1.30 <0.004 005 34 W Thames Street • Along Waterfront 675 3.60 <0 004 006 37 West of Third piaec 575 12.70 0,007 007 e West Streei and Vvarren Street 675 7.60 0.004 008 4 River Terrace and Chambers street 675 5.10 <0004 009 6A River Terrace Park Area Between Park Place and Warren Street 676 5.10 <0.004 010 9 River Terrace and Park Place V/est 675 5 10 <0.004 on 17 River Terrace and Vaasy 675 250 <0,004 012 7 Warren Street and North End Avenue 675 8.50 0.005 013 10 North End Avenue Pont piece West 675 5.10 <0.004 014 29 Trinity Place and Thames Street 675 3.80 <0 004 015 21 Fulton and Church Street 675 8.90 0005 016 20A Vesey street and West Broadway 875 6.30 0.005 017 16 Park place and Church Street 676 35.00 0,020 018 12 Murray Street and Church Street 675 76.40 0.044 019 15 Park Place and Greenwich Street 675 5.10 <0.004 020 11 Murray Street and Greenwich Street 675 3.60 <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). Results below the LCD have no statistical validity. 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 un»ss othervZse directed by client in writing,

David Muiiokandov

laboratory analyst laboratory Director

CITY_21MC100_011086747

NYC-WTC_000206732