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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 13:50 6314676905 PEDNEAULT ASSOCIATES PAGE 09/14

Prepared Exclusively For: PEDNEAULT ASSOCIATES, INC. N.Y.C. D.E.P. HAZMAT DIVISION 1615 NINTH AVENUE, BOX 205, BOHEMIA, N.Y. 11716 , 59-17 JUNCTION BOULEVARD LAB#: 01090163 CORONA , NY 11368 PROJECT ID WORLD TRADE CENTER-HAZMAT RESPONSE (718) 595-6431 MATRIX: AIRIGAS

COLLECT DATE DATE RECEIVED RELEASE DATE. REPORT DATE 9/14/01 -1:45 AM 9/14/01 9/14/01 9/14/01 SAMPLE ORIGIN ATLANTIC AVE, & SMITH ST., BROOKLYN SAMPLE ID#: 01090163-005 RESULT UNITS .M.D.L. METHOD ANALYSIS DÁTE Dichlorodifluoromethane 0.63 ppb v/v 0.123 USEPA TO-15 9/14/01 Chloromethane 0.44 ppb v/v 0.1037 USEPA TO-15 9/14/01 1,2-Dichiorotetrafluoroethane ND ppb v/v 0.2886 USEPA TO-15 9/14/01 Vinyl Chloride ND ppb v/v 0.1249 USEPA TO-15 9/14/01 Bromomethane ND ppb v/v 0.2418 USEPA TO-15 9/14/01 Chloroethane ND ppb v/v 0.2478 USEPA TO-15 9/14/01 Trichlorofluoromethane 0.25 ppb v/v 0.1839 USEPA TO-15 9/14/01 1,1-Dichlorvethene ND ppb v/v 0.0799 USEPA TO-15 9/14/01 Methylene chloride ND ·pph v/v 0 1909 USEPA TO-15 9/14/01 Freon 113 ND ppb v/v 0.161 USEPA TO-15 9/14/01 1.1-Dichloroethane ND ppb v/v 0.1398 USEPA TO-15 9/14/01 Dis 1,2 Dichloroothene ND ppb v/v 0.1783 USEPA 10-15 9/14/01 Chloroform 0.91 ppb v/v 0.1681 USEPA TO-15 9/14/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 9/14/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPA TO-15 9/14/01 Ranzene 0.10 ppb v/v 0.1201 USEPA TO-15 9/14/01 Carbon Tetrachloride 0.12 ppb v/v 0.0922 USEPA TO-15 9/14/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPA TO-15 9/14/01 Trichloroethene ND ppb v/v 0.1329 USEPA TO-15 9/14/01 cis-1,3-Dichloropropene ND ppb v/v 0.0924 USEPA TO-15 9/14/01 trans-1,3-Dichloropropene ND ppb v/v 0.1222 USEPA TO-15 9/14/01 1,1,2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-15 9/14/01 Toluene 0.34 ppb v/v 0.0/36 USEPA TO-15 9/14/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 9/14/01 Tetrachloroether = 0.16 ppb v/v 0.0845 USEPA TO-15 9/14/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 9/14/01 Ethylbenzene ND ppb v/v 0.0744 USEPA IQ-16 9/14/01 m.p-Xylene ND ppb v/v 0.1785 USEPA TO-15 9/14/01

John Pedneauit Lab Director ND=RESULT IS EQUAL TO OR LESS THAN MDL Page 9 of 14 NYS ELAP #10224 MWBE #46075

NYC-WTC 000148243

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NYC-WTC_000148243Source: NYC Law Department, mirrored locally

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