NYC-WTC_000067620
Header page from a GCMS scan batch dated October 4, 2001, associated with DEP laboratory operations.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗Document / 3 pages
GCMS extraction log, Oct-Nov 2001
Machine-extracted title · confidence 85%Log sheet recording liquid-liquid extraction parameters and sample processing details for October and November 2001.
NYC-WTC_000067425–000067427Folder label: “GCMS Scan X 10/2/01 An 10/17/01”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Method SOS Dato Extracted Page
Lab# I Descriptlw | Sample | Disrate Suit Spk IS Final T.V. pH Count miZirin add add add vol. pos. ■7^ 23 —Ww Of
R- ±u 4^ t -141
it H. _X24j^ A b /^IbY — aF
Remarks ^5'ti zk/
drip rate must be between 5^5 ml/nriin for Uq-liq extractors drip rate - Extraction type - r> ____ Naaiot#^/,Xv/^ Soiv.lot# Na2SO4 tot# j/ f STANDARD INT StD LOG# CAUBRATION j^wspiKE nlL /Oi mdvmdrf Q- CHECK INT. STD. SURROGATE LPC ENDRIN/DDT
Reviewed bv ^i^ 1
AnalystJJ2: revision 4/1 Bo Verified by Date40^\
NYC-WTC_000067425
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000067425Source: NYC Law Department, mirrored locally
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NYC-WTC_000069951
Log sheet recording liquid-liquid extraction parameters and sample processing details for November 2001.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067736
Header page from a GCMS scan batch dated October 5, 2001, associated with DEP laboratory operations.
1 shared topics · Same agency, volume and box · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067937
Document header page from a GCMS scan series covering the period of October 9 to October 31, 2001.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067975
Laboratory report documenting GCMS analysis of sample AD24215 conducted on November 6, 2001, noting unknown compounds.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069496
Fragmented page from a GCMS scan document dated November 24, 2001, containing minimal readable text.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069151
Fragmented laboratory data record from a GCMS scan performed in November 2001 regarding environmental samples.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068397
Multi-page laboratory log table recording sample extraction details including volumes and drip rates for GCMS analysis in November 2001.
1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000068721
Document page containing identification codes for GCMS scans conducted in November 2001 within DEP Box 60.
1 shared topics · Same agency, volume and box · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000069346
Log sheet recording liquid-liquid extraction parameters and sample processing details for November 2001.
1 shared topics · Same agency, volume and box · similarity 0.987
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
NYC-WTC_000086892
Technical form recording liquid-liquid extraction parameters including drip rates and pH measurements for WTC samples.
1 shared topics · similarity 0.989
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000088696
Fragmented GC/MS scan page from a laboratory blank sample dated September 27, 2001.
1 shared topics · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗More like this page
Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000059472
Single-page document from DEP Box 57 containing minimal visible text, likely part of a larger environmental record series.
Similarity score 0.975 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000063539
Technical record outlining methods for sample extraction and pH measurement during DEP laboratory testing.
Similarity score 0.974 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000089274
Detailed GC/MS calibration report for October 1, 2001, including peak data and method parameters.
Similarity score 0.974 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000091995
Fragmented document page containing environmental analysis data or headers from the DEP laboratory records for late 2001.
Similarity score 0.973 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000067620
Header page from a GCMS scan batch dated October 4, 2001, associated with DEP laboratory operations.
Similarity score 0.973 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000091538
Laboratory analysis method sheet with parameters for drip rate, surrogates, spike additions, and quality control measurements.
Similarity score 0.973 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Others also read
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_000067405
Record of a GCMS scan conducted at the World Trade Center site between October and November 2001.
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NYC-WTC_000067406
Gas chromatography-mass spectrometry analysis of sample AD22558 started October 1, 2001, identifying other unknown compounds.
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NYC-WTC_000067428
Laboratory report detailing GCMS analysis of sample AD22558 conducted on October 1, 2001.
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NYC-WTC_000067439
DEP lab report for GCMS analysis of sample AD23844 conducted on October 23, 2001, noting unknown compounds.
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NYC-WTC_000067453
DEP lab report for GCMS analysis of sample AD23900 conducted on October 23, 2001, noting unknown compounds.
Filed in the same folder