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OSHA WTC air sampling results, Sep 30, 2001

Machine-extracted title · confidence 95%

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

NYC-WTC_000178341–000178366
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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# Submission# # LAB# DESCRIPTION Type Area TASK/OPERATION TIME UOM RESULT RESULTS PEL SEVERITY

AMEC

Date Sampled 10/8/01 911812253 108AB001 20011008 D09882 Antimony and Area WEST 370 M 0 0 0.5 0 cn Compounds (as Sb) a co 911812253 108AB001 20011008 D09882 Beryllium and Area WEST 370 M 0 0 0.002 0 Beryllium w o Compounds (as Be) H 911812253 108AB001 20011008 D09882 Cadmium Area WEST 370 M 0 0 0.005 0 H O 911812253 108AB001 20011008 D09882 Chromium, Metal Area WEST 370 M 0 0 1 0 hd and Insoluble Salts o 911812253 108AB001 20011008 D09882 Cobalt, Metal, Dust Area WEST 370 M 0 0 0.1 0 H and Fume (as Co) O Q H O 911812253 108AB001 20011008 D09882 Copper Fume (as Area WEST 370 M 0 0 0.1 0 H s : Cu) w H i u 911812253 1Q8AB001 20011008 D09882 Iron Oxide Fume Area WEST 370 M 0.0592401 0.059 10 0.0059240 o w 2 911612253 108AB001 20011008 D09882 Lead, Inorganic (as Area WEST 370 M 0 0 0.05 0 o H Pb) M 20 > WEST 370 M 0 0 5 0 911812253 108AB001 20011008 D09882 Manganese Fume Area 2 (as Mn) O 911812253 1O8ABO01 20011008 D09882 Molybdenum (as Area WEST 370 M 0 0 15 0 Mo), Insoluble Compounds (Total co Dust) H 911812253 108AB001 20011008 D09882 Nickel, Metal and Area WEST 370 M 0 0 1 0 H Insoluble ro compounds (as Ni) o o 911812253 108AB001 20011008 D09882 Vanadium fume (as Area WEST 370 M 0 0 0.1 0 co V2O5) o 911812253 108AB001 20011008 D09882 Zinc Oxide Fume Area WEST 370 M 0 0 5 0

913522579 108RD12 20011008 P09375 Mercury (Vapor) (as Personal WEST IRON WORKER 340 M 0 0 0.1 0 to Hg) S 914443197 SEI 357 20011008 P09402 Formaldehyde Personal WEST CRANE 340 P 0 0 0.75 0 o OPERATOR/OPERAT ING ENGINEER o I o co Wednesday, December 05, 2001 Page 61 of 592 co co O', o co

NYC-WTC_000178365

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NYC-WTC_000178365Source: NYC Law Department, mirrored locally

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OSHA WTC air sampling results, Oct 20, 2001

NYC-WTC_000178367

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

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