NYC-WTC_000052514
Document page with illegible text or heavy corruption, likely part of the GCMS sample series from January-February 2002.
1 shared topics · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗Header page for a GCMS log sheet covering the period from February 15 to March 2, 2002.
NYC-WTC_000006360–000006361Folder label: “GCMS X 2/15/02 A 2/9/02 & 2/16/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document I
0, Method Date Extracted 2(/02 Page 0
Lab # I Description | Sample Drip rate Surr e=e is Final T.V. PH Count vol/wt ml/min add add add vol. pos.
500ml IM IETNUET in (oo£k 380A (oeX (00 72& (6A 303 /i A
Eli S9FO 44/ 85 7 e 574 f I66
l y E ——
J 8 I
% Remarks
Reyewedby, 424 drip rate must be between 5-1 ^ml/min for liq-liq extractors 1drip rate - Extraction type - 20P) . 1Solv.lot# V34406 Nacilat#VAA((S Na2S04 lot# V4ll.3 STANDARD INTSTD LOG# CALIBRATION REF/SPIKE MDL/MDRF 0789 O. CHECK INT. STD. 009320.2/12 3 I (pO & SURROGATE LPC LCCA ENDAIN/DDT
Analyst Reviewed by ) revision 4/12/01 Verified by Date 1
NYC-WTC_000006360
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
No available related records indexed in this group.
NYC-WTC_000052514
Document page with illegible text or heavy corruption, likely part of the GCMS sample series from January-February 2002.
1 shared topics · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000079498
Document page from DEP Box 64 showing laboratory method details and sample volume or weight data for September 2001.
Similar document embedding; no shared entity or topic indexed. · similarity 0.957
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009194
Laboratory form tracking Method 508 extraction volumes, drip rates, and sample counts for late 2001.
1 shared topics · similarity 0.951
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045544
Single-page document containing a laboratory sample identification label for the World Trade Center site dated May 2002.
Similar document embedding; no shared entity or topic indexed. · similarity 0.950
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014150
Fragmented document header from the DEP Box 15 archive containing metadata for environmental testing records dated late May 2002.
Similar document embedding; no shared entity or topic indexed. · similarity 0.950
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000060221
DEP GCMS lab data sheet documenting sample analysis from March 18 to April 8, 2002 with drip rate, surrogate, internal standard, final volume, and count parameters.
Similar document embedding; no shared entity or topic indexed. · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013044
Fragmented header page from a GCMS document batch dated May 2002 showing Method 508.
Similar document embedding; no shared entity or topic indexed. · similarity 0.947
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000009548
Header page from a GCMS document showing surrogate recovery and pH data.
Similar document embedding; no shared entity or topic indexed. · similarity 0.941
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000119863
Document tracking environmental samples collected from 365 South End Avenue on October 17, 2001.
Similar document embedding; no shared entity or topic indexed. · similarity 0.940
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000012075
Laboratory log recording drip rates and pH values for sample analysis at the Department of Environmental Protection labs in March 2002.
Similar document embedding; no shared entity or topic indexed. · similarity 0.940
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000010678
Fragmented document page likely serving as a header or index for GCMS records within the February 4 to February 27, 2002 timeframe.
Similar document embedding; no shared entity or topic indexed. · similarity 0.939
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000106006
Chain of custody documentation for lead dust wipe samples collected at 250 Broadway in September 2001.
Similar document embedding; no shared entity or topic indexed. · similarity 0.939
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000006359
Department of Environmental Protection GCMS sample tracking record for the World Trade Center site dated February 2002.
Filed in the same folder
NYC-WTC_000006362
Initial GCMS analysis report for sample AE01940 conducted by analyst DLV on March 13, 2002.
Filed in the same folder
NYC-WTC_000006371
Initial GCMS analysis report for sample AE01940 conducted by analyst DLV on March 13, 2002.
Filed in the same folder
NYC-WTC_000006377
Quality control page documenting surrogate compound recovery rates for a gas chromatography mass spectrometry run.
Filed in the same folder
NYC-WTC_000006387
Calibration table listing retention times and responses for deuterated standards including naphthalene-d8.
Filed in the same folder