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Legal hold notice for WTC documents, undated

Machine-extracted title · confidence 98%

Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.

NYC-WTC_000148192–000148619

Folder label: “AIR ASBESTOS MONITORING REPORTS

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NYC 9/11 Public Portal Document 09/20/2001 14:02 6314676905 PEDNEAULT ASSOCIATES PAGE 04/13

Prepared Exclusively For. PEDNEAULT ASSOCIATES, INC. 1615 NINTH AVENUE, BOX 205, BOHEMIA, N.Y. 11716 N.Y.C. D.E.P. HAZMAT DIVISION 59-17 JUNCTION BOULEVARD LAB#: 01090180 CORONA , NY 11368 PROJECT ID WORLD TRADE CENTER (718) 595-6431 MATRIX: AIRIGAS

REPORT DATE COLLECT DATE DATE RECEIVED RELEASE DATE 9/14/01 9/15/01 9/15/01 9/14/01 4:24 PM SAMPLE ORIGIN 138th St. & 3rd AVENUE, BRONX SAMPLE ID#: 01090180-002 RESULT UNITS M.D.L. METHOD ANALYSIS DATE

Dichlorodifluoromethane 0.51 ppb v/v 0.123 USEPA TO-15 9/15/01 Chloromethane 0.60 pph v/v 0.1037 USEPA TO-15 9/15/01

1.2-Dichlorotetrafluorosthane ND ppb v/v 0.2886 USEPA TO-15 9/15/01 Vinyl Chloride ND ppb v/v 0.1249 USEPA TO-15 9/15/01 Bromomethane ND ppb v/v 0.2410 USEPA TO-15 9/15/01

Chioroothane ND ppb v/v 0.2478 USEPA TO-15 9/15/01 Trichlorofluoromethane 0.20 ppb v/v 0.1839 USEPA TO-15 9/15/0: 1,1-Dichloroethene ND ppb v/v 0.0799 USEPA TO-15 9/15/01 Methylene chloride ND ppb vNv 0.1000 USEPA TO-15 9/15/01 Frann 113 ND ppb v/v 0.161 USEPA TO-15 9/15/01 1,1-Dichloroethane ND ppb viv 0.1398 USEPA TO-15 9/15/01 cis-1,2-Dichloroethene ND ppb viv 0.1783 USEPA TO-15 9/15/01 Chloroform ND ppb v/v 0.1681 USEPA TO-15 9/15/01

1,2-Dichloroethane ND ppb v/v 0.1888 USEPA TO-15 9/15/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPA TO-15 9/15/0] Benzene 0.75 ppb v/v 0.1201 USEPA TO-15 9/15/01 Carbon Tetrochicrido ND ppb v/v 0.0922 USEPA TO-15 9/15/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPA TO-15 9/15/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-15 9/15/01 cis-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 9/15/01 trans-1,3-Dichlompmpane ND ppb v/v 0.1222 USEPA TO-15 9/15/01 1.1,2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-15 9/15/01 Toluene 2.16 ppb v/v 0.0735 USEPA TO-15 9/15/01 1,2-Dibromoethane ND ppb v/v 0 0971 USEPA TO-15 9/15/01 Tetrachlorosthene ND ppb v/v 0.0845 USEPA TO-15 9/15/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 9/15/01 Ethylbenzene 0.49 ppb v/v 0.0744 USEPA 10-15 9/15/01 m,p-Xylene 1.26 pph v/v 0.1785 USEPA TO-15 9/15/01

John Pedneault Page 3 of 12 Lab Director ND=RESULT IS EQUAL TO OR LESS THAN MDL NYS ELAP #10224 MWBE #460/5

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NYC-WTC_000148209Source: NYC Law Department, mirrored locally

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