Air sample report, 90 Broad Street, Apr 2002

NYC 9/11 Public Portal Document

04/15/2002 15:48 FAX t1011/015 2008 J

• DETAIL ASSOCIATE$4 INC. 300 0RAND AVENUE ENGLE1A700, NEW JERSEY 07631 (201) 569 - 6708

Air sample Data Sheet

Client Name... ••••••••••••.......: 90 BROAD LLC Project 9 ........................: NJO10347 ample Date...................... 9/21/01 project Site Location............$ 90 BROWS STREET Address of Project Site..........:

Type of Proj ect : NEW YORK . NY 10004 SP~'aY a N/A Pipe insulation..., On..........•............a N/A Equipment insulation...........I N/A Debris.. e...*SI$ O N/A ther,.........................I BACKGROM AREA SAMPLE Type of Asbestos Abated..........t NONE I Salpte 9............•............. i Sa t, L 903.0921-04A ocation..................: MAIN BUILDING LOBBY - SECURITY DESK

SaMpte Type ......................I BACKGROUND AREA SAMPLES Type of Activities During Air Salpting ...................: NORMAL BUILDING OPERATIONS Air Sampling Pump Type and N or: CAST Calibration Date.................a Serial 0 of Fitter............... 9/21/01 Calibration Rate.................a 15 liters/minute Time On ........................... 9/21/01 DOW (24 Hour) Tim Off................. sa~gptire Period...... • ...... 9/21/01 1157 (24 Hour) ............$ 202 minutes .............. 3030 liters

......................•7 0.001 fibers/ oa Detection Limit..................: 0.001 fibers / cc 95% Upper Confidence Limit.......: 0.004 fiber$ / cc

NIOSH Analytical Method 7400 Initial, of I.H.: SJ Note: Airborne concentration The laboratory does not (fibers/cc) is based on have tbs eontrot over aaWte the sae~pls condition as received. collection. Page 4

NYC-WTC 000105435