Air Monitoring Log and Chain-of-Custody Form for WTC

NYC 9/11 Public Portal Document

LABORATORIES, INC AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY

CLIENT: WARREN & PANZER ENGINEERS, P.O. TURNAROUND TIME 24HRS WKPFILE# 501-01 SAMPLE DATE 4/11/02 WKP LOG I.D. # N020462, N020463, N020464 RECEIVED DATE 4/11/02 Contract #: WTCAR2 ANALYSIS DATE 4/12/02

REPORT DATE 4/12/02 CLIENT JOB: NYC Department of Environmental Protection

CLIENT JOB #: 1079.01.01

LOCATION WTC Sampling- NYC

AIRBORNE FIBER COUNTING, PHASE CONTRAST MICROSCOPY, NIOSH 7400. NIOSH PAT Lab ANALYSIS: NO. 07186: NY STATE ELAP Lab NO. 11251. 1 cnTiriM ncx/inc. 25 mm MCE Filter Cassette: Collection Area = 385 sq mm: COLLECTION DEVICE. 0.00785 sq mm.

SAMPLE WERE COLLECTED BY: Lawrence Baer, Benny Giambnone, and J. Garcia

SUMMARY OF ANALYSIS

CLIENT VOLUME FIBERS/ SAMPLE# Site# ____________ SAMPLE LOCATION (LITERS) sq mm FIBERS/ cc 1079.01.01 001 Field Blank 0.0 002 Field Blank 0.0 003 27 Gateway Plaza Park Area 675 0.0 <0.004 004 31 South End Ave. and Albany Street 675 7.6 0.004=’ 005 32 West Street and Albany Place 675 1.9 <0.004 006 33A Rector Place by the Park Place 675 4.5 <0.004 007 34 W. Thames Street - Along Waterfront 675 12.7 0.007<«!’ 008 37 West of Third Place 675 6.4 0.004-S’ 009 8 West Street and Warren Street 675 5.1 <0.004 010 4 River Terrace and Chambers Street 675 1.3 <0.004 oil 6A River Terrace Park Area Between Park Place and Warren Street 675 7.6 0.004 012 9 River Terrace and Park Place West 675 7.6 0.004<s* 013 17 River Terrace and Vesey 675 10.2 0.006 «• 014 7 Warren Street and North End Avenue 675 5.1 <0.004 015 10 North End Avenue Park place West 675 10.2 0.006 016 29 Trinity Place and Thames Street 675 13.4 0.008'®' 017 21 Fulton and Church Street 675 14.6 0.008 018 20A Vesey Street and West Broadway 675 15.3 0.009 019 16 Park place and Church Street 675 5.1 <0.004 020 12 Murray Street and Church Street 675 15.9 0.009««*’ 021 15 Park Place and Greenwich Street 675 5.1 <0.004 022 11 Murray Street and Greenwich Street 675 8.3 0.005 <s8>

NOTES: 1. 5.5 tibera/100 fields was used to calculate the limit of detection (LOD). Results below the LOD have no statistioal 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. PCM air samples will be disposed of after 3 months unless otherwise directed by client In writing.

David Mullokandov LABORATORY ANALYST LABORATORY DIRECTOR

NYC-WTC_000161748