WKP Air Sample Analysis Report for WTC SW Area, Apr

NYC 9/11 Public Portal Document

WKP LABORATORIES. INC AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY

CLIENT; WARREN & PAN^ ER ENGINEERS, P C. TURNAROUND TIME 24HRS WKP FILE# 501-01 SAMPLE DATE 4/6^002 WKP LOG I D. # N020435 RECEIVE DATE 4/60002 Contract #; WTCAR2 4/60002 ANALYSIS DATE

REPORT DATE 4/7/2002 CLIENT JOB; NYC Department of E ivironmental Protection

CLIENT JOB#; 1079.01.01

LOCATION WTC Sampling

AIRBORNE FIBER C< JUNTING, PHASE CONTRAST MICROSCOPY. NIOSH 7400. NIOSH PAT Lab ANALYSIS; NO. 07186; NY STAT: ELAP Lab NO. 11251. 20 mm MCE Filtei Ca laetlu, Collectluii Ama - 389 sq inin; COLLECTION DEVICE; Field Area = 0.007651 q mm.

SAMPLE WERE COLLECTED BY; Bonny Glam rone

SUMMARY OF ANALYSIS

CLIENT VOLUME FIBERS/ FIBERS/ SAMPLE# Site# SAMPLE LOCATION (LITERS) sq mm cc 1079 01 01 001 8 West Street ar d Warren Street R7fi 10 900 0 006 002 4 River Tenaoe ind Chambers Street 675 0.000 <0.004 003 6 Riyet Tenaoe and Park Ptace Weal 675 0.000 <0.004 004 6A River Terrace ’ark Area Between Park Place and Warren Street 675 0.000 <0.004 006 17 River Terrace ind Vesey 676 0.000 <0.004 006 7 Warren Street ind North End Avenue 675 0.000 <0.004 007 10 North End Ava me Park place West 675 0.000 <0.004 Blank 0.000 Blank 0.000

NOTES; 1. 5.6 fibers/100 fields was usei I to calculate the limit of detection (LOD). Results below the LOD have no statistical validity. 2. Samples were not collected I y WKP Laboratories, Inc. 3. The Federal EPA Clearance Critical following an asbestos abatement proiect Is 0.010 fibers/cc. 4. PCM alt aamptea wll be dlap iaed of after 3 montha enteaa olheiwiaa directed by cKant tn wtlting.

Chris Pepino Louis Lombardi

I ARORATORY ANALYST LABORATORY DIRECTOR

NYC-WTC_000161779