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OSHA WTC personal air sampling results, Sep 26, 2001

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Personal air sampling results for manganese and other metals from ironworker burner/cutter operations on September 26, 2001.

NYC-WTC_000178331–000178332
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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 if LAB # DESCRIPTION Type Area TASK/OPERATION TIME UOM RESULT RESULTS PEL SEVERITY

AMEC

Date Sampled 9/26/01

912324639 WTCJARD926- 20010926 D09522 Manganese Fume Personal WEST IRONWORKER- 360 M 0.0042812 0.0043 5 0.0008562 006 (as Mn) BURNER/CUTTER w G 912324639 WTCJARD926- 20010926 D09522 Molybdenum (as Personal WEST IRONWORKER- 360 M 0 0 15 0 ro 006 Mo), Insoluble BURNER/CUTTER G M Compounds (Total O Dust) H H 912324639 WTCJARD926- 20010926 D09522 Nickel, Metal and Personal WEST IRONWORKER- 360 M 0 0 1 0 O 006 Insoluble BURNER/CUTTER G compounds (as Ni) ?d o 912324639 WTCJARD926- 20010926 D09522 Vanadium fume (as Personal WEST IRONWORKER- 360 M 0 0 0.1 0 H 006 M V2O5) BURNER/CUTTER O o H o 912324639 WTCJARD926- 20010926 D09522 Zinc Oxide Fume Personal WEST IRONWORKER- 360 M 0 0 5 0 s 006 BURNER/CUTTER < a 912324647 WTCJARD926- 20010926 D09523 Antimony and Personal WEST IRONWRKER- 355 M 0 0 0.5 0 o H 007 Compounds (as Sb) BURNER/CUTTER ?d 2 a H 912324647 WTCJARD926- 20010926 D09523 Beryllium and Personal WEST IRONWRKER- 355 M 0 0 0.002 0 M ?d > 007 Beryllium 8URNER/CUTTER Compounds (as Be) 2 O 912324647 WTCJARD926- 20010926 D09523 Cadmium Personal WEST IRONWRKER- 355 M 0.0056671 0.0057 0.005 1.13342 007 BURNER/CUTTER to 912324647 WTCJARD926- 20010926 D09523 Chromium, Metal Personal WEST IRONWRKER- 355 M 0 0 1 0 co 007 and Insoluble Salts BURNER/CUTTER M G 912324647 WTCJARD926- 20010926 D09523 Cobalt, Metal, Dust Personal WEST IRONWRKER- 355 M 0 0 0.1 0 007 and Fume (as Co) BURNER/CUTTER 912324647 WTCJARD926- 20010926 D09523 Copper Fume (as Personal WEST IRONWRKER- 355 M 0.0038292 0.0038 0.1 0.038292 o o 007 Cu) BURNER/CUTTER 912324647 WTCJARD926- 20010926 D09523 Iron Oxide Fume Personal WEST IRONWRKER- 355 M 0.4004452 0.4 10 0.0400445 O 007 BURNER/CUTTER H K 912324647 WTCJARD926- 20010926 D09523 Lead, Inorganic (as Personal WEST IRONWRKER- 355 M 0 0 0.05 0 007 Pb) BURNER/CUTTER 912324647 WTCJARD926- 20010926 D09523 Manganese Fume Personal WEST IRONWRKER- 355 M 0.0043502 0.0044 5 0.0008700 007 (as Mn) BURNER/CUTTER o

o co Wednesday, December 05, 2001 Page 17 of 592 co co cn CT'. Ui

NYC-WTC_000178331

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NYC-WTC_000178331Source: NYC Law Department, mirrored locally

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