NYC-WTC_000206741

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 # 501-01 SAMPLE Date ey42oo2 WKP LOG 1,0. # N020623, N020624, and ND20625 recsved date a<4>3002 Contract #; WTC AR2 analysis date 6/5/2002

REPORT DATE 6/5/20D2 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 Alter Cassette; Collection /Area = 385 sq mm;

SAMPLE WERE COLLECTED BY; Warren and Panzar

SUMMARY OF ANALYSIS-

CLIENT FIBERS/ FIBERS/ SAMPLE# Sice# SAMPLE LOCATION Vol. sq mm ec

1079.01.01 001 27 Gateway Plaza Park Area 675 0.00 <0.004 002 31 South End Ave. and Albany Street 675 5.10 <0.004 003 32 West Street and Abany Place 675 2.50 <0.004 004 33A Rector Place by the Park Place 675 2.50 <0.004 005 34 W. Thames Strew - Along Waterfront 675 0.00 <0.004 006 37 West of Third Place 675 0.00 <0.004 007 6 West Street and Warren Street , 675 0.00 <0.004 008 4 River Terrace and Chambers StriaBt 675 2 50 <0,004 009 6A River Terrace Park Area Between Park Place and Warren Street 675 5.10 <0,004 010 9 Rh/er Temace and Park Place West 675 3.20 <0.004 011 17 River Terrace and Vesey / ■ 675 1.30 <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 1.30 <0.004 015 21 Fulton and Church Street 675 5.10 <0.004 016 20A Vesey Street and West Broadway 675 0.00 <0.004 017 16 Park place and Church Street 675 5.10 <0.004 018 12 Murray Street and Church Street 675 0.00 <0.004 019 15 Park Place and Greenwich Street 675 2.50 <0,004 020 11 Murray Street and Greenwich Street 675 8.90 0.002 021 Field Blank 0.00 022 Field Blank 0.00

NOTES: 1,5.5 fibers/100 fields was used to calculate the limit of detection (LOD). 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 writing.

Louis Lombardi

LABORATORY ANALYST LABORATORY DIRECTOR

CITY_21MC1OO_OO3OO5356

NYC-WTC_000206741