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GCMS analysis log for sample AD31024

Machine-extracted title · confidence 95%

Record of a gas chromatography-mass spectrometry run for unknown compounds in sample AD31024 performed on January 18, 2002.

NYC-WTC_000017494–000017513

Folder label: “GCMS X 12/20/01 A 1/8/02

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Scanned page image, NYC-WTC_000017505
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NYC 9/11 Public Portal Document Library Search Compound Report . (7" pata File : C:\HPCHEM\1\DATA\JAN0802\31024.D Vial: 16 Acq On : 9 Jan 2002 3:58 am Operator: 209 GALOS Sample : gems scan 12/20 Inst : GC/MS 209 Misc : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.1 Preereewrrrrrrrrerert sre rset rrr rrrtrtrtrrrrrrrrrrrrrt rrr t tri ttt rr tess Peak Number 5 3-Isopropoxy-1,1,1,7,7,7-hexam Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T. 20.13 3.13 ug/l 1031000 Acenaphthene-d1o 20.39 Hit# of 5 Tentative ID MW MolForm cAS# Qual 1 3-Isopropoxy-1,1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 42 2 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 38 3 4-Amino-5-imidazole carboxamide, tr 342 C13H30N40Si3 000000-00-0 10 4 Octadecanoic acid, 2-[(trimethylsil 386 C22H4603Si_ ___056196-58-8 9 ‘Abundance, Beans 1648 (20.131 min: 1024.0 &) | m/z 73.90 100.008) | | | | ace 147 281 \ i 45 a7 191 224 251 oT 283,415 39.80 29.00 20.20.2040 m/z 147.00 36.57: miz>___80__ 100 150 __ 200 _ 250 ___300___350___400__450__500___550_ | | | | | by i 147 49180 20,00 20.20 2040 | | | | m/z 281.00 34.73% vii: A 519561 | | miz-> 80. 100150. 200250 300.360 400450500580 | Abundance EAA: T ate i Bier B 447 col 19.80 20.00 20.20 40) 5000 m/z 326.90 14.66 369 | i 207248 338, | imiz-> __60__100__150__200__ 250 _ 300 __350__400__450__600_ 580 | ‘Abundance #48317: LAmino-Smidazole carboxamide, tis(timethyislly ii | ug __.19:80_20.00 2020 20.40__| | m/z 282.00 10.03% | ar f (237 45 “Mve_212 mz 50100 160 200 250 300 350 400450500550 19.80 20.00 20.20 20.40 | 31024.D GCMS0103.M Wed Jan 09 12:15:03 2002 Page 5 NYC-WTC_000017505

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NYC-WTC_000017505Source: NYC Law Department, mirrored locally

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NYC-WTC_000017364

Laboratory note stating that the GCMS scan of sample AD31017 did not reveal unusual compounds on January 18, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998

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GCMS analysis log for sample AD31020 · Box DEP Box 16

NYC-WTC_000017459

Log entry documenting a gas chromatography-mass spectrometry analysis of unknown compounds in sample AD31020 on January 18, 2002.

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GCMS analysis log for sample AD31073 · Box DEP Box 16

NYC-WTC_000017434

Record of a gas chromatography-mass spectrometry run for unknown compounds in sample AD31073 performed on January 18, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996

machine-extracted · confidence unavailable · Check page ↗
GCMS scan comments for sample AD30605 · Box DEP Box 16

NYC-WTC_000017265

Laboratory note stating that the GCMS scan of sample AD30605 did not reveal unusual compounds on January 22, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996

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GCMS analysis log for sample AD31076 · Box DEP Box 16

NYC-WTC_000017514

Log entry documenting a gas chromatography-mass spectrometry analysis of unknown compounds in sample AD31076 on January 18, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996

machine-extracted · confidence unavailable · Check page ↗
GCMS blank analysis results · Box DEP Box 16

NYC-WTC_000017344

Laboratory report listing detection limits for numerous organic compounds in a GCMS blank sample analyzed on January 10, 2002.

1 shared topics · Same agency, volume and box · similarity 0.994

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