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Method detection limit verification, sample AD24982, Nov 2001

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Laboratory report verifying method detection limits for organic contaminants during testing of samples collected November 2001.

NYC-WTC_000028943–000028947

Folder label: “525 X 10/23/01 AN 11/7 - 11/8/01

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“0 Io C o o o Integration Report Quanfile: REFA1107 Quan Entries! 28 CT o N Comment: BOHLK: METHOD 525; INST 204; 11/07/01; REF STD U 0 00 CD Sorted via: Entry Number 1 — 9 o) 0 No Name of Compound R Time Scanit Node Peak Area Pk Height 0 O C 3 CD 3 chrysene d-12(IS) 22:45 1365 Auto 2,336,614 998,350 5

4 p-terphenyl d-14(IS) 20:53 1253 Auto 4,635,576 3,336,546 5 acenaphthene d-10(SURR 12:20 740 Auto 1,876,593 886,111 6 phenanthrene d-10(SURR 17:00 1020 Auto 2,872,979 1,142,839 7 chrysene d-12 (SURR) 22:45 1365 Auto 2,336,614 998,350 8 1,3-d imethy1-2-nitrobe 8:01 481 Auto 1,171,896 592,268 9 triphenyl phosphate (S 22:09 1329 Auto 1,603,295 711,134 10 perylene d-12 (SURR) 27:07 1627 Auto 1,068,002 200,519 11 hexachlorocyclopentad i 10:11 611 Auto 310,222 188,404 12 hexachlorobenzene 15:25 925 Auto 1,089,032 485,658 13 simazine 16:10 970 Auto 389,347 123,583 14 atrazine 16:22 982 Auto 688,873 239,870 15 alachlor 18:27 1107 Auto 1,125,553 567,910 16 b is(2-ethy Ihexy Dad ipa 22:02 1322 Auto 1,146,129 433,217 17 b is(2-ethyIhexyl phtha 23:02 1382 Auto 4,082,704 1,367,647 18 benzo (a pyrene 26:53 1613 Auto 1,366,053 234,710 19 eptc 10:36 636 Auto 5,041,371 3,566,173 20 2,6-d in itrotoluene 11:58 718 Auto 425,938 182,214 21 2,4-d in itrotoluene 12:58 778 Auto 455,889 177,168 22 molinate 13:06 786 Auto 1,935,176 928,125 23 terbacil 17:27 1047 Auto 936,114 318,677 24 acetochlor 18:15 1095 Auto 749,576 434,057 25 metribuzin 18:17 1097 Auto 564,742 285,986 26 metolachlor 19:11 1151 Auto 3,577,185 1,661,000 27 butachlor 20:25 1225 Auto 1,041,831 682,500 28 4,4J-dde 20:49 1249 Auto 1,333,109 928,225

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NYC-WTC_000028946Source: NYC Law Department, mirrored locally

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