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← Document results/DEP Box 30/525 X 11/27/01 A 12/17 - 12/18/01
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GC-MS calibration data, Dec 2001

Machine-extracted title · confidence 90%

Quality control report for calibration standards (AD28847) verifying instrument accuracy on December 20, 2001.

NYC-WTC_000055807–000055808

Folder label: “525 X 11/27/01 A 12/17 - 12/18/01

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NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed)

Data File C:\MSDCHEM\1\DATA\1214 01\CAL4A.D Vial: 5 ' Acq On 14 Dec 2001 7:49 pm Operator: McLean Sample 0.5 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Dec 17 11:17:29 2001 Quant Results File: 121401.RES

Quant Method : C:\MSDCHEM\l\5973N\121401.M (RTE Integrator) Title : Quantitation For Method 525.2 Last Update : Mon Dec 17 11:15:46 2001 Response via : Initial Calibration DataAcq Meth : 120501

Internal Standards R.T. Qlon Response Cone Units Dev(Min)

1) Acenaphthene-diO 18.21 164 7511609 5.00 ug/L 0.00 9) Phenanthrene D-10 22.53 188 10913502 5.00 ug/L 0.00 20) Chrysene D-12 30.30 240 7087487 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,3-Dimethyl-2-nitrobenzen 13.13 134 1885026 4.91 ug/L 0.00 Spiked Amount 5.000 Recovery = 98.20% 19) Triphenyl Phosphate surr 29.58 326 1445296 4.35 ug/L 0.00 Spiked Amount 5.000 Recovery = 87.00% 21) Perylene D-12 surr 34.31 264 4982678 5.32 ug/L 0.00 Spiked Amount 5.000 Recovery = 106.40%

Target Compounds Qvalue 3) Hexachlorocyclopentadiene 15.70 237 80419 0.38 ug/L 95 4) Hexachlorobenzene 21.39 284 229312 0.47 ug/L 97 5) EPTC 16.17 128 281760 0.39 ug/L 97 6) 2,6-Dinitrotoluene 17.77 165 68388 0.48 ug/L 93 7) 2,4-Dinitotoluene 18.91 165 69941 0.46 ug/L 89 8) Molinate 19.08 126 430529 0.42 ug/L 93 10) Simazine 21.91 201 86342 0.30-ug/L 90 11) Atrazine 22.03 200 154666 0.38 ug/L 94 12) Alachlor 23.90 160 122430 <0.32 ug/L 92 13) Terbacil 22.82 161 62028 0.57 ug/L 96 14) Acetochlor 23.69 146 69207 0.29 ug/L 99 15) Metribuzin 23.72 198 91413 0.27 ug/L 96 16) Metolachlor 24.84 162 318347 0.30 ug/L 94 17) Butachlor 26.66 160 112761 S0.32 ug/L 99 18) 4,4'-DDE 27.29 246 167825 0.39 ug/L 91 22) Bis (2-Ethylhexyl) adipate 29.51 129 150183 0.50 ug/L 93 23) Bis (2-Ethylhexyl) phthala 30.95 149 275344 0.50 ug/L 98 24) Benzo (a) pyrene 34.16 252 423070 0.33 ug/L 99

6 , cS 0.33 Yu ‘ (7

(#) = qualifier out of range (m) = manual integration CAL4A.D 121401.M Mon Dec 17 15:57:00 2001 Page 1

NYC-WTC_000055807

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NYC-WTC_000055807Source: NYC Law Department, mirrored locally

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