EPA memorandum on WTC environmental data concealment, July 2004

NYC 9/11 Public Portal Document

29 TRINITY PL. & THAMES ST. NA The NYC web version calls this sample "overload." By this date, the NYC web version started to have more sampling results at more sampling locations. It is probable that the 11/13/01 FOIL response from the NYS 31 SOUTH END AVE & ALBANY 6.67 6.67 data altered to "below detection limit" in NYC web 34 W. THAMES ST-ALONG not detected, 37 WEST OF THIRD PL (SOUTH not detected, NYC WEB VERSION OF ITS OWN DATA (not posted on its web until after 2/2/02) 12 MURRAY & CHURCH ST. 40 16 PARK PL. & CHURCH inot detected, 21 FULTON & CHURCH ST. inot detected, 27 GATEWAY PLAZA PARK AREA not i detected. 29 TRINITY PL. & THAMES ST. iOverload 31 SOUTH END AVE & ALBANY inot detected, 32 WEST ST & ALBANY i80 34 W. THAMES ST - ALONG inot detected, 37 WEST OF THIRD PL (SOUTH inot detected, ohhhhhk The first version of the NYC DEP data was provided by the NY State Department of Environmental Conservation (NYS DEC) in their 11/13/01 response to a Freedom of Information Law (FOIL) request. Several sets of air and dust tests were included in addition to the NYC DEP data, including OSHA data, Con Edison, etc. A scanned version of the hard copy was posted on the www.NYenviroLAW.org web site sometime between 1/22/02 and 6/4/02. By at least 10/24/01, the NYC DEP posted limited asbestos air testing results on its website. However, the only test results posted were those using the light microscope method (PCM). The DEP did not post ANY of its electron microscope (TEM) results, which are the only ones related to EPA's stated health benchmarkof the time, 70 s/mm^ It was not until sometime between 2/2/02 to 11/30/02 (the archived web site dates) that the NYC DEP posted any of its TEM data. It is this TEM data, with its alterations, deletions, and changes, which is included in this table.

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