Facsimile cover sheet, laboratory report transmission

NYC 9/11 Public Portal Document

WKP LABORATORIES, INC AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY

CLIENT: WARREN & PANZER ENGINEERS. P.C. TURNAROUND TIME 24HRS WKP FILE# 8014)1 SAMPLE DATE 4/10/02 WKPLOOIJ3.# N0204SS RECeiVED PATE 4Z1Q/Q2 Conlraot#; WTCAR2 ANALYSIS DATE 4/11/02 REPORT DATE 4/11/02 CLIENT JOB; NYC Department of EnW'onmental Proteclion

CUENTJOB#: 1079.01.01

LOCATION WTC Sampling

ANALYSIS; /URBORNE FIBER COUNTING. PHASE CONTRAST MICROSCOPY, NIOSH 7400. NIOSH PAT Lab NO. 07166; NY STATE ELAP Lab NO. 11251. COLLECTION DEVICE: 25 mm MCE Piller Cassette; CoUeetlon Area » 365 sq mm; Field Area » 0.00765 sq mm.

SAMPLE WERE COLLECTED BY: Benny Siambrone

SUMMARY OF ANALYSIS CLIENT VOLUME FIBERS/ FIBERS/ SAMPLE# Site# SAMPLE LOCATION (LITERS) eg mm ce 1079.01.01 001 8 West Street and Warren Street 678 B.9 0.005 002 4 River Terrace and Chambers Street 875 1.3 <0.004 003 8A Wver Terrace Park Area Between Park Place and Warren Street 875 0.0 <0.004 004 9 Rh/er Terrace and Park Place West 678 2.8 <0.004 005 17 River Terrace and Vesey 675 2.5 <0.004 006 7 Warren Street and North End Avenue 675 0.0 <0.004 007 10 North End Avenue Park place West 676 8.4 0.004 008 Blank 0.0 009 Blank 0.0

NOTES; 1.5.5 flbars/IOQ fields was used to ealeutate the limit of detection (LOD). Results below the LOD have ne statistioei validity. 2. Samples were not collected by WKP Laboratortea. Inc. 3. The Federal EPA Clearance Critical following an asbestos abatement project la 0.010«bers/cc, 4. PCM air samples will be disposed of after 3 months unless otherwise directed by client in writing.

DM

LABORATORY ANALYST laboratory DIRECTOR

NYC-WTC_000161731