NYC-WTC_000187535

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I io ENVIRO-PROBE, INC. co

o 2917 BRUCKNER BOULEVARD “0 c o o BRONX, N.Y. 10461 CT

c» o' (718)863-0046 "0 cn CUEWT: Riverpoint, Inc. Job#;l01171 o o cn 7 Hillside Ave, Suit 100 File #: 23401 03

New Rochelle, NY. 10801-ISOS NYSELAP #:1089B o o AIHA-PAT#:102S09 o c PROJECT LOCATION: WTC, Various Locations CONTAMINANT INVESTIGATED: FIBERS AIRBORME 3 CD 3 DATE MONITORED: 12/24/01 Samples Coll Client

METHOD OF ABATEMENT: (* CONTAINMENT 0 GLOVE BASil TENT 0 OTHER NATURE OF TEST: {) PRE-TEST (I DURING PREPARATION (} DURING ASBESTOS REM <) DURING CLEAN-UP OAFTER FINAL CLEAN-UP 0 AfR-TEST {) OSHA 0 AGGRESSIVE 0 NON-AGGRESSIVE

OTHERS: METHOD; MI08H 7400, ISSUE 2-Nli ■•"’""’■"I VOLUME OF RESULTS RESULTS roETECTK SAMPUNG LOCATION SAMPLE « AIR FIBERSIFIEU FIBERS/CC luMIT F Park Place/Church 657 0,07 o.oos O.OOS ^ark Place/Greetiwich 665 <007 <LOD o.oos Vurray/Church 657 0,065 0.006 0,005 Murray/Gretnwich 666 <007 <LOD 0.005 Fulton/CPurch 05-12/24/01 668 <007 O.OOS 0.005 Morlh End/VVarren 06-12/24/01 643.S 0.10 0008 0.005 A/esI StreetA/Vaffen C7-12/24/01 657 <0.07 <LOD POPS Gateway Plaza 650.3 “ <007 <LOO 2:225 South Ead/Albflfiy OS-12/24/01 662 0.075 0.0OS 0 005 Wesi Street/Allwny 10-12/24/01 662 <0.07 <LOD 0 005 Recior pi. by park n-12/24/OI 662 0.08 0.006 2.^225 Ird pl./SoottI End 12-12/24/01 662 <007 <LOD 0 005 __ =r=»=s=sil =£==s:ijtf»«MBas!aaaB

METHOD; NIOSH 7400, Rule A (PCM) o ‘BOL - Below Detectable Levels Analyst

I H K to s ”Ttiese results apply to ttiesa particitlaf samples L O D = 0 07 fibers/Fleld =8 Fibers/mm2 - -.4.^ Lab Siipervisof's Signalurc o ’’These samples were nnf collecteririy Enviro-Probe” o o I o o LO Cn co o cn