NYC-WTC_000039028
Fragmented page from a GCMS record collection in DEP Box 23 dated between March 14 and March 17, 2002.
1 shared topics · Same agency, volume and box · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗Log sheet recording sample preparation details including drip rates and pH for GCMS analysis in March 2002.
NYC-WTC_000037820–000037824Folder label: “GCMS X 2/20/02 A 3/20/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
$ : r
Method So% Oclenecate Extracted Ol-00-0 2 Page
__________________ ge f B .. — Lab# Description _ Sample vol/wt Drip rate mllmin Surr add add Im -5Mb iml3A iS add Final vol. T.V. pos. pH Count (y W 266: — osAA 1 d t nA
-4 6._ __ — 1
530. SG1 4 == k i d J
-55____ _ 5
I
l Remarks
!! h ixtrctors . drip rate must be between 5-15 mi/min for liq-liq extractors Extraction type - STANDARD INT STD LOG# Solv.lot# V30Tut drip rate - NaCI lot# VL504 Na2S04 iot# VzHOo ।i CALIBRATION (RERy SPIKE MDL/MDRF 1 459 Q.CHECK _INT. STD. SURROGATE GOMS 010307 LPC i
ENDRIN/DDT
Analysts revision :/01 Verified by —XX NYC-WTC_000037821
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.
NYC-WTC_000039028
Fragmented page from a GCMS record collection in DEP Box 23 dated between March 14 and March 17, 2002.
1 shared topics · Same agency, volume and box · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000038912
Fragmented page from a DEP laboratory record dated between March 8 and March 19, 2002, containing unreadable text.
1 shared topics · Same agency, volume and box · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024039
Document containing sample identifier NYC-WTC_000024038 with laboratory processing parameters including drip rates and pH.
1 shared topics · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059810
Excerpt from a laboratory log recording liquid-liquid extractor drip rates for GCMS analysis on April 5, 2002.
1 shared topics · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000052421
Laboratory method 50 worksheet documenting sample preparation parameters including drip rate, volume, and analytical conditions for GCMS testing.
1 shared topics · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051663
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between January 9 and 15, 2002.
1 shared topics · similarity 0.981
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059026
Fragmented document containing laboratory method parameters and quality control data from the Department of Environmental Protection.
1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051501
Fragmented page from a Department of Environmental Protection laboratory record showing extraction parameters and pH measurements.
1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025345
Laboratory log sheet recording Method 608 extraction parameters and sample counts for DEP testing in May 2002.
1 shared topics · similarity 0.979
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.
1 shared topics · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051783
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between January 10 and 16, 2002.
1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000011047
Header page from a GCMS data file associated with sample AE03075 dated March 2002.
1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000006360
Header page for a GCMS log sheet covering the period from February 15 to March 2, 2002.
Similarity score 0.979 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000017880
Laboratory report detailing gas chromatography-mass spectrometry analysis of sample AD30470 conducted on January 18, 2002.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051663
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between January 9 and 15, 2002.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024039
Document containing sample identifier NYC-WTC_000024038 with laboratory processing parameters including drip rates and pH.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000013773
Fragmented page from DEP Box 15 records containing sample identification codes and metadata.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000051501
Fragmented page from a Department of Environmental Protection laboratory record showing extraction parameters and pH measurements.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗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_000037819
Department of Environmental Protection site log sheet for the World Trade Center area covering February and March 2002.
Filed in the same folder
NYC-WTC_000037825
Laboratory report listing quantitative concentrations of volatile organic compounds in sample AE00364 analyzed on March 21, 2002.
Filed in the same folder
NYC-WTC_000037829
Reference data report for GCMS analysis of sample AE00364 showing peak identification and response values from March 21, 2002.
Filed in the same folder
NYC-WTC_000037837
Laboratory report documenting GCMS analysis of a method blank for sample AE00364 to verify analytical system cleanliness.
Filed in the same folder
NYC-WTC_000037848
Laboratory report documenting GCMS analysis of a method blank for sample AE03799 to verify analytical system cleanliness.
Filed in the same folder