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Law Department notice on WTC document preservation, Oct 2001

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Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.

NYC-WTC_000145510–000145686

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NYC 9/11 Public Portal Document

detection limit, while the remaining 46 percent detected contaminants in varying levels. The highest recorded amount for each pollutant at each location is shown in Table K-2.

. .... . Jacob Manhattan Public a Analyte^ High School Javits Borough Convention Community School 234 fli Aluminum 320 220 570 ___ 83 ug/wipe Antimony 0.81 1 0.79 0.15 ug/wipe Arsenic_____ ___ 0^ 0.24 0.38 <0.1 ug/wipe Barium_____ ___ 42 9.3 9.4 2.1 ug/wipe Beryllium <0.1 <0.1 <0.1 <0.1 ug/wipe Cadmium 0.59 0.47 2 <0.25 ug/wipe Calcium 3300 1900 5000 1400 ug/wipe Chromium 3.3 2.1 4.4 0.6 ug/wipe Cobalt <0.5 1.1 <0.5 ug/wipe Copper_____ 5 7.3 9.8 6.1 ug/wipe Iron 360 580 840 200 ug/wipe Lead_______ ___ 45 6.3 9.7 1.5 ug/wipe Magnesium 370 240 670 160 ug/wipe Manganese 15 8.9 28 3.9 ug/wipe Mercury____ .01 0.02 <.01 ug/wipe Nickel 1.5 1.9 2.4 <0.5 ug/wipe Potassium 110 380 220 <100 ug/wipe Selenium <.01 <.01 <.01 <.01 ug/wipe Silver <.25 0.26 <.25 <.25 ug/wipe Sodium <25 1300 280 250 ug/wipe Thallium <.01 <.01 <.01 390 ug/wipe Vanadium <0.5 <0.5 1.2 0.81 ug/wipe Zinc 55 93 150 39 ug/wipe PCBs-totals 0 na 0 <5 ng/100cm2 TEQ (ND=1/2) 0.0046 na .0055 0.0082 ng/100cm2 na = samples not analyzed for this pollutant.

On September 26,2001, bulk dust samples from 110 Greenwich were collected and analyzed for various pollutants. For those pollutants where a screening level existed, the test results were all below the applicable soil screening levels contained in EPA’s Hazard Evaluation Handbook. Table K-3 presents the results of testing at 110 Greenwich.

94 Report No. 2003-P4)0012

NYC-WTC_000145614

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NYC-WTC_000145614Source: NYC Law Department, mirrored locally

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