NYC-WTC_000187318

NYC 9/11 Public Portal Document

ENVIRO-PI >BE, ING. 2917BRUCKNI Hi BOULEVARD BRONX, r 10461 (718)8^*0045 CLIENT: Riverpoint, Inc. 1 FILE #: 23401 Job #:101171 7 Hillside Ave., Suite 100 NYSELAP #: 10898 New Rochelle, NY. 10801-1608 AIHA-PAT #: 102509

PROJECT LOCATION: WTC, Various Locations CONTAMINAMT INVESTIGATED: Fibers Airborne ABATEMENT <?aNTRACTOR: DATE MONITORED: 1/5/02 Samples coll^t^d by: Client f'i METHOD OF ABATEMENT: 0 CONTAINMENT 0 GLOVE BA® I {) TENT 0 OTHER NATURE OF TEST: 0 PRE-TEST 0 DURING PREPARATION it 0 DURING Af “ TOS 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 QF AIR RESULTS RESULTS DETECTION SAMPLING LOCATION SAMPLED (LITERS) SAMPLE # FIBER/FIELD FIBERS/CC LIMIT FIB/CC 01-01/05/02 675^: ■ <0.07 <LOD 0.005 Park Place/Churcti Park Place/Greenwich 02-01/05/02 666i 0.08 0.006 0.005

I Murray/Church 03-01/05/02 66I • <0.07 <LOD 0.005 Murray/Greenwicti 04-01/05/02 67i <0.07 <LOD 0.005 Fulton/Church 05-01/05/02 67& 0.09 0.006 0.005 North EndAA/arren 06-01/05/02 <0.07 <LOD 0.005 West Street/Warren 07-01/05/02 643i5 <0.07 <LOD 0.005 Gateway Plaza_________________________ 08-01/05/02 <0.07 <LOD 0.005 Q South End/Albany 09-01/05/02 <0.07 <LOD 0.005 H 65$^ West Street/Albany 10-01/05/02 <0.07 <LOD 0.005 I—i s Rector PI. by Park 11-01/05/02 esS 0.07 0.005 0,005 o 3rd Pl./South End 12-01/05/02 65(0 <0.07 0.005 0.005 o o METHOD: NIOSH 7400, Rule A (PCM) Io o **BDL - Below Detectable Levels ***These results apply to these particular samples L.O.D. = 0.07 Fibers/Field =9 Fibers/mn-.2 Lab Superviaprs Signature Anal cn

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NYC-WTC_000187318