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NYC-WTC_000204863

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000204863–000204869
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NYC 9/11 Public Portal Document 11/09/01 FRI 16:48 FAT 518 402 7818 NYSDOH-BTSA 4007 VOC's From the Fire Detected on September 28, 2001 Near the World Trade Center Site 6 5 1 Outaoor background range Average concentration up/crosswind Bl Average concentration downwind parts per billion by volume 4 ATETEH ETHYL ALCOHOL ACETONE BENZENE TOLUENE TRICHLORODIFLUOROMETHANE CHLOROMETHANE ETHYLBENZENE STYRENE DICHLORODIFLUOROMETHANE METHYL ETHYL KETONE ISOPROPYLBENZENE Notes: • Results are reported as the average concentration in a 2-hour sample. • Since wind direction changes, what is upwind on one day may be downwind on another. - Background levels are reported as ranges. and indicate "typical outdoor levels". • Detailed sample resulis appear as a full table on the next page. CİTY_21MCi00 _006753206 NYC-WTC_000204868

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NYC-WTC_000204868Source: NYC Law Department, mirrored locally

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