NYC-WTC_000206726

NYC 9/11 Public Portal Document

LABORATORIES, INC AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY

CLIENT: WARREN & PANZER ENGINEERS, P.C. TURNAROUND TIME 24HRS WKP FILE # 501-01 SAMPLE DATE 7/25/02

WKP LOG I.D. # N0207364, N0207365, N0207366 RECEIVED DATE 7/25/02

Contract #: WTC AR2 ANALYSIS DATE 7/26AI2

REPORT DATE 7/26/02 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: Warren and Panzer Engineers, P.C.

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

1079.01.01 001 27 Gateway Plaza Park Area 675 3.80 <0.004 002 31 South End Ave. and Albany Street 675 7.60 -—0 004 003 32 West Street and Albany Place 675 5.10 <0.004 004 33A Rector Place by the Park Place 675 8.90 0.005 005 34 W. Thames Street - Along Waterfront 675 8.90 0.005 006 37 West of Third Place 675 3.80 <0.004 007 8 West Street and Warren Street 675 2.50 <0.004 008 4 River Terrace and Chambers Street 675 7.60 -'0.004 009 6A River Terrace Park Area Between Park Place and Warren Street 675 8.90 0.005 010 9 River Terrace and Park Place West 675 3.80 <0.004 011 17 River Terrace and Vesey 675 11.50 0.007 012 7 Warren Street and North End Avenue 675 5.10 <0.004 013 10 North End Avenue Park place West 675 6.40 <0.004 014 29 Trinity Place and Thames Street 675 10.20 0.006 015 21 Fulton and Church Street 675 6.40 <0.004 016 20A Vesey Street and West Broadway 675 8.90 0.005 017 16 Park place and Church Street 675 8.90 0.005 018 12 Murray Street and Church Street 675 4.50 <0.004 019 15 Park Place and Greenwich Street 675 6.40 <0.004 020 11 Murray Street and Greenwich Street 675 3.80 <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 (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.

D.M. LABORATORY ANALYST laboratory director

CITY_21MC100_003005148

NYC-WTC_000206726