Bulk sample analysis report, 222 Broadway, June 2002

KAM CONSULTANTS 35-40 36th Street Long Island City New York, 11106 Tel: (718) 729-1997 Fax: (718)729-4876 REPORT OF AIR MONITORING (PHASE CONTRAST MICROSCOPY ANALYSIS OF AIR FILTERS) CLIENT: GPS Environmental Consultants, Inc. DATE: 05/9/02 PROJECT: MERRILL LYNCH ADDRESS: 222 Broadway, New York, NY NYC-WTC_000105923 16th Floor - Roof D Setback Clean Up CLIENT SAMPLE ID# LOCATION ewono Zorx FLOW | FLOW | SAMPLE | FIBERS BEF. | AFTER| VOLUME ] PER (Ipm) | (lpm) (liters) FIELD TIME | TIME IN OUT FIBERS PER cc REMARKS LAB IDa 18D-01 IWA-Roof North Side 16.26 | 17:26 15 15 1800 <0.055 <0.01 Post Abatement A0205200-01 16D-02 IWA-Roof East Side 18:27 | 17:27 15 15 1600 0.055 <0.01 Post Abatement A0205200-02 16D-03 IWA-Roof Canter 18:28 | 17:28 45 1S 1600 <0.055 <0.01 Post Abatement A0205200-03 16D-04 IWA-Roof West Side 15:28 | 17:29 18 15 1800 0.070 <0.01 Post Abstemant A0205200-04 16D-05 IWA-Roof South S ide 15:30 | 17:30 15 15 1800 <0.055 <0.01 Post Abatement A0205200-05 16D-06 OWA-By Entrance East side 18:32 | 17:32 18 15 1800 <0,055 <0.01 Post Abatement A0205200-06 16D-07 OWA-By Entrance North Side 15:33 { 17:34 15 15 1816 <0.055 <0.04 Post Abatement A0205200-07 16D-08 OWA-By Entrance West Side 15:34 | 17:35 15 15 1815 <0.055 <0.01 Post Abatement A0205200-08 16D-09 OWA-By Entrance South Side 15:35 | 17:36 18 45 1815 <0.065 <0.01 Post Abatement A0205200-08 16D-10 OWA-At Entrance 18:36 | 17:37 18 15 1815 <0.056 <0.01 Post Abaterrent A0205200-16 FBL-O1 Field Blank <0,055 A0205200-11 FBL02 Field Blank <0.055 A0205200-12 JUN-17-e0@2 @2:44P FROM: NYC 9/11 Public Portal Document TYPE OF RESPIRATORS: TYPE OF WORK: 1 = HALF FACE, 2 = PAPR, 3 = TYPE C, 4 = OTHER (SPECIFY): 4= BLDG DECON, 2 = PLASTICIZING, 3 = GROSS REMOVAL, 4 = GLOVEBAG, § = CLEANING, ROTAMETER: CaV 6 = ENCAPSULATION, 7 = BAGOUT, 8 = OTHER (SPECIFY): Analyst: Lab Manager: (¢ | y . t (. Gopichand /Yallabandi David Chen DATE OF ANALYSIS: 05/20/02 OATE OF REPORT: 05/21/02 ‘The samples listed above are analyzed by Phase Contrast Microscopy (PCM) as per NIOSH 7400 Method -fssue 3. The detection limit of this methad is 7 fibers per square mm per filter area KAM CONSULTANTS shail not be lable for information arising from samptes that are not in its QA and QC program. The results relate only to the items calibrated or tested. The certificate of report sha!l not be reproduced without approval of the laboratory The report must not be used by the client to claim endorsement by NVLAP or any agency of the U.S. Government. NYS-DOH ELAP # 11273 AIHA # 100269 SAMPLING TECHNICIAN: Darryl L. (Client) TO: 12122360041 P:13714