NYC-WTC_000199954

NYC 9/11 Public Portal Document

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% Start End Highest # Less Shift Less Analyte # Samples #of Highest %of % than Report Report Target % Target OEL Adj. Analyte Job Description #NQ's NQ'S than Class Collected Analysis % OEL Shift Adj. Half Period Period OEL Half OEL OEL OEL 2/8/2002 2/15/2002 Sulfur Area- West 8 Vesey 5:01:00 PM 5:00:00 PM Sulfides 13 6 216% 13 2 1026% 2 1026% Dioxide next to Verizon Bldg e 69% 12 92%

Bobcat operator In 2/8/2002 2/15/2002 5:01:00 PM 5:00:00 PM Silica 24 10 240% 48 0.05 220% 0.4 120% Quartz depression © 39 81% 43 90% 6WTC LvI B2

2/8/2002 Diesel Torch cutter In 2/15/2002 5:01:00 PM 5:00:00 PM Diesel Fume 11 8 138% 11 0.02 206% 0.02 206% Exhaust depression SE of 1 6% 7 64% PartloulatBs Tower #1 2/8/2002 2/15/2002 Grappler operator In 5:01:00 PM 5:00:00 PM Asbestos 6 10 60% 6 0.1 34% 0.05 68% Asbestos depressio Tower #1 0 0% 6 100%

2/8/2002 2/15/2002 Torch cutter on 5:01:00 PM 5:00:00 PM Ozone 5 6 83% 5 0.08 30% 0.08 30% Ozone 3 60% 5 100% surface by WTC #4

Grappler operator In 2/8/2002 2/15/2002 5:01:00 PM 5:00:00 PM Metals . 9 9 100% 189 0.05 1% 0.024 2% Lead depression Tower 121 64% 180 95% #1

2/8/2002 Torchon surface® 2/15/2002 5:01:00 PM 5:00:00 PM Acids 7 6 117% 42 1 4% 1 4% Sulfuric Acid Scaffold next to 38 90% 42 100% Verizon Bldg

2/8/2002 2/15/2002 Torch In depression 5:01:00 PM 5:00;00 PM Mercury 8 5 160% 6 0.03 1% 0.02 1% Mercury 8 100% 8 100% @2 WTC

Spotter on WTC 6, LvI B3, cleaned up 2IB/2002 2/15/2002 Carbon Carbon 24 15 160% 24 25 8% 18 12% debris (concrete) 17 70% 100% 100% 5:01:00 PM 5:00:00 PM Monoxide Monoxide after BROKK180 did work

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NYC-WTC_000199957