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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 14:53 6314676905 PEDNEAULT ASSOCIATES PAGE 05/14

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#: 01090230 CORONA A NY 11368 PROTECT ID WORLD TRADE CENTER (718) 595-6431 MATRIX: AIRIGAS

RELEASE DATE REPORT DATE COLLECT DATE . DATE RECEIVED® 0/18/01.10:30 PM 9/19/01 9/20/01 9/20/01 SAMPLE ORIGIN CENTRAL PARK .N. & LENOX , MANHATTAN SAMPLE ID#: 01090230-003 RESULT UNITS METHOD ANALYSIS DATE Dichlorodifluoromethane 0.61 ppb v/v 0.123 USEPA TO-15 9/19/01

Chloromethane 1.11 ppb v/v 0.1037 USEPA TO-15 9/19/01

ND ppb v/v 0.2886 USEPA TO-15 9/19/01 1,2-Dichlorotetrafluoroethane ppb v/v 0.1249 USEPA TO-15 9/19/01 Vinyl Chloride ND

Bromomethane ND ppb v/v 0.2418 USEPA TO-16 9/19/01

Chloroethane ND ppb v/v 0.2478 USEPA TO-15 9/19/01

Trichlorofluoromethane 0.21 ppb v/v 0.1839 USEPA TO-15 9/19/01

1,1-Dichloroethene ND ppb v/v 0.0799 USEPA TO-15 9/19/01 ppb v/v 0.1909 USEPA TO-15 9/19/01 Methylene chloride ND ppb v/v 0.161 USEPA TO-15 9/19/01 Freon 113 ND ND ppb v/v 0.1398 USEPA TO-15 9/19/01 1,1-Dichloroethane 1.9 ppb v/v 0.128 USEPA TO-15 9/19/0] Methyl-tert-butyl ether dis 1,2 Dichloroathene ND ppb v/v 0.1783 USEPA TO-15 9/19/01

Chloroform ND ppb v/v 0.1681 USEPA TO-15 9/19/01 1,2-Dichloroethane ND ppb v/v 0.1688 USEPA TO-15 9/19/01 1,1,1-Trichloroethane ND ppb v/v 0.0974 USEPA TO-16 9/19/01

Benzene 1 2A ppb v/v 0.1201 USEPA TO-15 9/19/01 Carbon Tetrachloride ND ppb v/v 0.0822 USEPA TO-15 9/19/01 1,2-Dichloropropane ND ppb v/v 0.1138 USEPA TO-15 9/19/01 Trichloroethene ND ppb v/v 0.1320 USEPA TO-15 9/19/01 cis-1,3-Dichioropropene ND ppb v/v 0.0924 USEPA TO-15 9/19/01 ND ppb v/v 0.1222 USEPA TO-15 9/19/01 trans-1,3-Dichloropropene 1,1,2-Trichloroethane ND ppb v/v 0.0896 USEPA TO-15 9/19/01 Toluene 2.08 ppb v/v 0 0735 USFPA TO 15 9/19/01 1,2-Dibromoethane ND ppb v/v 0.0971 USEPA TO-15 9/19/01 Tetrachloroethene 0.22 ppb v/v 0.0845 USEPA TO-15 9/19/01 Chlorobenzene ND ppb v/v 0.1343 USEPA TO-15 9/19/01 Fthylhanzene 0.52 ppb v/v 0.0744 USEPA TO-15 9/19/01

Page 5 of 14 John Pedneault ND=RESULT IS EQUAL TO OR LESS THAN MDL Lab Director NYS ELAP #10224 MWBE #46075

NYC-WTC_000148282

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NYC-WTC_000148282Source: NYC Law Department, mirrored locally

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