NYC-WTC_000187331

NYC 9/11 Public Portal Document

ENvikO-FkoBE; unC. 2917 BRUCKNER BOULEVARD BRONX, N.Y. 10461 (718)863-0045 CLIENT: Riverpoint, Inc. FILE #: 23401 Job#:101171 7 Hillside Ave., Suite 100 NYSELAP#: 10898 New Rochelle, NY. 10801-1608 AIHA-PAT #: 102509

PROJECT LOCATION: WTC, Various Locations CONTAMINANT INVESTIGATED: Fibers Airborne ABATEMENT CONTRACTOR: DATE MONITORED: 1/5/02 Samples collected by: Client

METHOD OF ABATEMENT: 0 CONTAINMENT 0 GLOVE BAG 0 TENT 0 OTHER NATURE OF TEST: 0 PRE-TEST 0 DURING PREPARATION 0 DURING ASBESTOS REMOVAL 0 DURING CLEANP-UP OAFTER FINAL CLEAN-UP 0 AIR-TEST 0 OSHA 0 AGGRESSIVE 0 NON-AGGRESSIVE

OTHERS: METHOD: NIOSH 7400, ISSUE 2-8/15/94 VOLUME OF AIR RESULTS RESULTS DETECTION SAMPLING LOCATION SAMPLE # SAMPLED (LITERS) FIBER/FIELD FIBERS/CC LIMIT FIB/CC West End of W Thames 13-01/05/02 661.5 <0.07 <LOD 0.005 River Ter./Park PI. 14-01/05/02 657 <0.07 <LOD 0.005 River Ter./Chambers 15-01/05/02 730 <0.07 <LOD 0.005 River Ter./Warren 16-01/05/02 643.5 <0.07 <LOD 0.005 o North End/Park Pl- 17-01/05/02 657 0.075 0.005 0.005 River Ter./Vesey______ 18-01/05/02 643.5 <0.07 0.005 0.005 o Trinity Pl./Thames 19-01/05/02 650.3 <0.07 <LOD 0.005 m Vesey/West Broadway 20-01/05/02 666 <0.07 <LOD 0.005 Field Blank ________ 21-01/05/02 BDL Field Blank 22-01/05/02 BDL o J] □0 METHOD: NIOSH 7400, Rule A (PCM) > “BDL - Below Detectable Levels z z ‘’’These results apply to these particular samples L.O.D. = 0.07 Fibers/Field =9 Fibers/mm2 Lab Superj/sor's Signature

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NYC-WTC_000187331