Bulk sample analysis report, 222 Broadway, June 2002

NYC-WTC_000105924 KAM CONSULTANTS 35-40 36th Street Long Island City New York, 11106 Tel: (718) 729-1997 REPORT OF AIR MONITORING (PHASE CONTRAST MICROSCOPY ANALYSIS OF AIR FILTERS) Fax: (718) 729-1876 CLIENT: GPS Environmental Consultants, Inc. PROJECT: MERRILL LYNCH 23rd - Floor - Roof B&A Setback Clean Up DATE: 05/19/02 ADDRESS: 222 Broadway, New York, NY CLIENT SAMPLE ID# LOCATION TIME IN 2orx ecwaa TIME OUT FLOW BEF. (Ipm) FLOW AFTER (Ipm) SAMPLE VOLUME (liters) FIBERS PER FIELD FIBERS PER cc REMARKS LAB ID# 23-01 IWA-Rool B North Side 15:31 17:31 15 15 1800 <0 055 <0.01 Post Abatement A020520M-01 23-02 IWA-Roof B West Side 45:32 17.32 15 15 1800 0.060 <0.01 Post Abatement A020520M-02 23-03 IWA-Roof B Center 15:33 17:33 15 15 1800 <0.055 <0.01 Post Abatamant A020520M-03 23-04 IWA-Roof B South Side 18:34 17:34 15 15 1800 <0,055 <0.01 Post Abatement A020520M-04 23-05 IWA-Roof B East Sid 15:35 47:38 18 15 1800 0.076 <0.01 Post Abatement A020520M-05 23-06 OWA-Conference Rm. By Roof Door 15:37 17:38 15 18 1615 <0.055 <0.01 Post Abatement A020520M-06 23-07 OWA-Conterence R m. Of Roof Door 15:38 47:39 15 15 1615 <0.055 <0.01 Post Abatement A020520M-07 23-08 OWA-Conference Rm by Entrance Door 15:39 17:40 18 18 1815 <0,055 <0.01 Post Abatement A020520M-08 23-03 OWA-Conferenca Rm. North Side 15:40 17:41 18 15 1815 0.070 <0.01 Post Abatement A020520M-09 23-10 OWA-Conferance Rm Front of Room 18:41 17:42 15 15 1815 <6.056 <0.01 Post Abatement A020520M-10 FBL-01 Fiald Blank <0.055 A020520M-11 FBL-02 Field Blank 0.085 A020520M-12 23-11 IWA-Roof A South Sid 15:43 7:44 15 16 1815 <0.085 <0.01 Past Abatement A020520M-13 23-12 IWA-Roof A West Side 45:44 17:45 15 15 1815 <0.055 <0.01 Post Abatament A020520M-14 23-13 IWA-Roof A Cente: 15:45 17:46 18 15 1815 <0.055 <0.04 Post Abatement A020520M-15 23-14 IWA-Roof A North Sid 15:46 17:47 15 15 1815 0.060 <0.01 Post Abatement A020520M-16 23-15 IWA-Roof A East Side 15:47 17:48 15 18 1815 <0.055 «0.01 Post Abatement A020520M-17 SAMPLING TECHNICIAN: Al P: ROTAMETER: Analyst: TYPE OF R ESPIRATORS: OF WORK: lermo = (Client) 1= HALF FACE, 2 = PAPR, 3 = TYPE C, 4 = OTHER (SPECIFY). 1= BLDG DECON, 2 = PLASTICIZING, 3 = GROSS REMOVAL, 4 = GLOVEBAG, 5 = CLEANING, 6 = ENCAPSULATION, 7 = BAGOUT, 8 = OTHER (SPECIFY): DATE RECEIVED: 08/20/02 DATE OF ANALYSIS: 05/20/02 DATE OF REPORT: 05/21/02 Lab Manager: ) JUN-17-2082 Ge: @5P FROM: TO: 12122368041 NYC 9/11 Public Portal Document ichafd Yallabandi The samples listed above are ani id by Phase Contrast Microscopy (PCM) as per NIOSH 7400 Method -lssue 3. The detection limit of this method is 7 fibers per square mm per filter area. KAM CONSULTANTS shall not be liable for Information arising from sampies that are not in Its QA and QC program. The results relate only to the items calibrated or tested. The certificate of report shall 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 ALHA # 100269 David Chen P:147144