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OSHA WTC air sampling results, Oct 20, 2001

Machine-extracted title · confidence 95%

Area air sampling results for benzo(alpha)pyrene and volatile organic compounds collected on the west side of WTC-1 on October 20, 2001.

NYC-WTC_000178367–000178376
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NYC 9/11 Public Portal Document

US Department of Labor/OSHA WTC Air Sampling Activity grouped by sector and date sampled and sorted by sampling #and submission #

Sample Inspection ANALYTE TWA SAMPLING d Submission d d LAB d DESCRIPTION Type Area TASK/OPERATION TIME UOM RESULT RESULTS PEL SEVERITY

AMEC

Date Sampled 10/20/01 914453352 1020JB02 20011020 PI0023 Nickel, Metal and Personal WEST IRON WORKER- 120 M 0 0 1 0 Insoluble BURNER/CUTTER. compounds (as Ni) a 00 914453352 1020JB02 20011020 PI 0023 Vanadium fume (as Personal WEST IRON WORKER- 120 M 0 0 0.1 0 M V2O5) BURNER/CUTTER. O 914453352 1020JB02 20011020 PI 0023 Zinc Oxide Fume Personal WEST IRON WORKER- 120 M 0 0 5 0 H BURNER/CUTTER. O 914453378 1020JB03 20011020 PI0024 Asbestos (all forms) Area WEST WATER SPRAYING 303 F 0 0 0.1 0 XI OF RUBBLE FROM o 40' HIGH, S

O O 914453378 1020JB03 20011020 PI 0024 Total Fibers Area WEST WATER SPRAYING 303 F 0.15 0.15 0 0 o OF RUBBLE FROM 2 40' HIGH, S < 2 M O 914453386 1020JB05 20011020 P10006 Antimony and Area WEST TOCH CUTTING, 250 M 0 0 0.5 0 O Compounds (as Sb) REMOVAL OF XI S a H : BEAMS BETWEEN M WT x 2 914453386 1020JB05 20011020 PI 0006 Beryllium and Area WEST TOCH CUTTING, 250 M 0 0 0.002 0 O Beryllium REMOVAL OF Compounds (as Be) BEAMS BETWEEN NJ WT 914453386 1020JB05 20011020 PI 0006 Cadmium Area WEST TOCH CUTTING, 250 M 0 0 0.005 0 REMOVAL OF H BEAMS BETWEEN WT

O 914453386 1020JB05 20011020 PI0006 Chromium, Metal Area WEST TOCH CUTTING, 250 M 0 0 1 0 O and Insoluble Salts REMOVAL OF CO BEAMS BETWEEN WT 914453386 1020JBOS 20011020 PI0006 Cobalt, Metal, Dust Area WEST TOCH CUTTING, 250 M 0 0 0.1 0 I ! and Fume (as Co) REMOVAL OF BEAMS BETWEEN WT

o o I o o co Wednesday, December 05, 2001 Page 103 of 592 co CO

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NYC-WTC_000178370

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NYC-WTC_000178370Source: NYC Law Department, mirrored locally

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NYC-WTC_000178341

Personal air sampling results for asbestos and other contaminants from operating engineers and excavator operators on September 30, 2001.

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