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EPA Special Investigative Audit Report, WTC Site, Nov 2001

Machine-extracted title · confidence 95%

Draft environmental data report for the World Trade Center site prepared by IT Corporation for the EPA in November 2001.

NYC-WTC_000186193–000186246
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Scanned page image, NYC-WTC_000186204
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OCR status: junk · source: pdftotext

NYC 9/11 Public Portal Document

Table 2. Select VOCs in Air at WTC South Tower (Location 1) Units: ppb Date Benzene , Toluene Styrene ?EthyI< Chloro, ±->. -^2 29-Sept <20 <20 <20 <20 <20 <20 <20 <20 <20 <20 <20 na

3-Oet 4300 1700 770 1700 74 320 690 2500 900 <20 <20 na

1 O-Oct 9800 2800 1400 3200 120 490 860 3900 1900 <20 <20 na

13-Oct 8600 2200 380 1200 110 160 130 3300 1600 <50 <50 na

14-Oct 12000 5200 1900 5000 130 1100 1900 7200 4300 67 <20 na 15-Oct 590 130 41 99 <20 35 94 400 180 <20 35 na 16-Oct 9700 2700 1200 1800 160 890 2400 7700 6900 260 240 na 18-Oct 120 31 <20 27 <20 <20 <20 50 28 <20 <20 na 19-Oct 6400 2000 550 1400 91 270 700 4100 3300 310 220 na 20-Oct 310 100 58 120 <40 47 85 190 130 <40 <40 na 21-Oct 200 55 <40 <40 <40 <40 <40 no 49 <40 <40 na 22-Oct 1000 360 140 401 <50 68 160 <50 570 <50 <50 na 23-Oct 2100 9900 2800 10000 160 2500 4400 <20 9900 <20 <20 na 24-Oct 19000 8900 2300 8500 160 2400 4000 12000 8600 <50 <50 na 25-Oct 18000 8100 2300 8200 170 2100 3600 1100 10000 28 <20 170 26-Oct 37000 19000 5000 21000 220 5000 8700 23000 27000 <50 <50 <50 28-Oct 7500 2100 450 950 <50 130 280 2100 860 <50 <50 <50 o 1-3 29-Oct 700 180 50 150 <40 <40 40 230 48 <40 <40 <40

s o 30-Oct <890 230 <50 180 <50 <50 <28 300 <31 <50 <50 na

o 31-Oct 3500 1900 320 1700 <50 430 700 2100 1600 <50 <50 na o Io 01-Nov 9500 2600 580 1900 340 400 390 5000 530 <50 <50 <50 o 03

ro Page 10 of 52

NYC-WTC_000186204

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NYC-WTC_000186204Source: NYC Law Department, mirrored locally

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NYC-WTC_000130438 · Box DEP Box 53

Draft special investigative audit report on environmental data from the World Trade Center site prepared by IT Corporation.

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