NYC 9/11 Public Portal Document
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• Continuation
0 HILLMANN ENVIRONMENTAL GROUP, L.L.C.
ENVIRONMENTAL CONSULTING & LAB SERVICES
■ To: CLARIS SERVICES GROUP
■ Location: Marriott World Financial Center
85 West Street/New York/NY
■ HECO# Y1-3508
■ Procedure: Air Quality
• AIR SAMPLE CERTIFICATE OF ANALYSIS
10926
■ Method: Phase Contrast Microscopy: NIOSH 7400; Issue #2, 1994/ELAP ID
VOLUME(LITERS) FIBERS/CC
LAB ID# LOCATION/SAMPLE ID
•
K43926 1st Fl/With in 10' of Critical 1200 0.005
•
Barrier/Between Corridor &
Airlock
•
■ K43927 1st Fl/Between Back Door & 1200 0.009
Airlock
0.012
■ K43928 1st Fl/With in 10' of Elevator 1200
■ & Bathroom
1200 0.011
■ K43929 1st Fl/Main Lobby
0.009
■ K43930 1st Fl/With in 10' of Critical 1200
Barrier/Between Corridor &
■ Airlock
K43931 1st FL/Between Back Door & 1200 0.010
■ Airlock
1200 0.003
■ K43932 1st Fl/With in 10' of Elevator
& Bathroom
1st Fl/Main Lobby 1200 0.007
K43933
1200 0.006
■ K43934 1st Fl/With in 10' of Critical
Barrier/Between Corridor &
Airlock
■
■ Analyst Signature:
]AYCOX, DYLA M.
based on 5.5 fibers/100 fields.
■ (<) Indicates results are below the limit of detection (LOD). LOD is
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fiY/Te
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industAsl Hygiene
ACCREDITED
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LABORATORY
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NYC-WTC 000131195
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