NYC-WTC_000187311

NYC 9/11 Public Portal Document

ENVIRO-PKOBE, INC. 2917 BRUCKNER BOULEVARD BRONX, Wy 10461 (718)883-0045 CLIENT: Riverpoint, Inc. FILE #: 23401 Job#:101171 7 Hillside Ave., Suite 100 New Rochelle, NY. 10801-1608

PROJECT LOCATION: WTC, Various Locations I' NYSELAP #: 10898 AIHA-PAT#: 102509

contaminant INVESTIGATED: Fibers Airborne ABATEMENT! CONTRACTOR: DATE MONITORED: 12/29/01 Samples collected by: Client

METHOD OF ABATEMENT: {) CONTAINMENT 0 GLOVE BAG ’ 0 TENT 0 OTHER NATURE OF TEST: A ^^STOS REMOVAL 0 PRE-TEST 0 DURING PREPARATION 0 DURING 0 DURING CLEANP-UP OAFTER FINAL CLEAN-UP 0 AIR-TEST 0 OSHA 1/ « 0 AGGRESSIVE 0 NON-AGGRESSIVE 1 OTHERS: METHOD: NIOSH 7400, ISSUE 2-8/1S/94 VOLUMEIpF AIR RESULTS RESULTS DETECTION SAMPLING LOCATION SAMPLE # sampledUiters) FIBER/FIELD FIBERS/CC LIMIT FIB/CC West End of W Thames 13-12/29/01 661*5 <0.07 <LOD 0.005 River Ter./Park PI. 14-12/29/01 657‘ <0.07 <LOD 0.005 River Ter./Chambers 15-12/29/01 6434 <0.07 <LOD 0.005 River Ter./Warren 16-12/29/01 17-12/29/01 .... esy 657j : <0.07 <LOD 0.005 North End/Park PI. <0.07 <LOD 0.005 River Ter./Vesey_____ 18-12/29/01 651 <0.07 <LOD 0.005 Trinity Pl./Thames 19-12/29/01 661.1 <0.07 <LOD 0.005 Vesey/West Broadway 20-12/29/01 66^) <0.07 <LOD 0.005 Field Blank________ 21-12/29/01 BDL Field Blank 22-12/29/01 BDL

Q METHOD: NIOSH 7400, Rule A (PCM) K “BDL - Below Detectable Levels An^st I I—i “‘These results apply to these particular samples S L.O.D. = 0.07 Fibers/Field =9 Fibers/mm2 Lab Supervisors Signature O o o I o o

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