NYC-WTC_000061396
Fragmented document page containing redacted text and a reference code associated with the WTC site records.
1 shared topics · Same agency, volume and box · similarity 0.966
machine-extracted · confidence unavailable · Check page ↗Document / 3 pages
Laboratory extraction method log and calibration data
Machine-extracted title · confidence 85%Technical log recording drip rates, extraction parameters, and calibration checks for laboratory analysis procedures.
NYC-WTC_000061918–000061920Folder label: “531.1”
Page image
OCR text
OCR status: ocr · source: ours
NYC 9/11 Public Portal Document om 7 Method S$ 9 | © ( ri Date Extracted ¥ / 7 Z LOf Page 2) Lab # | Description Sample | Drip tae | Surr | Spk Is Final | T.V. pH vol/wt mi/min add | add | add | vol. | pos. LB wa LPL a Cr Ch Cy Cs REE Yv ‘7p AP22¢70|_20 ag & AD22¢) /\ 2s 25 $ el P2242 25 25 4 WA 1723324 25 Vv 28 f PEE _{ f v a | / / [ ( S } i i | ] Remarks . Grip rate must be between 5-15 ml/min for liq-liq extractors drip rate - Extraction type - Solv.lot# NaCl lot# Na2S04 lot# STANDARD | INT STD LOG# let # CALIBRATION =! 72 L Rtie be REF/SPIKE 4 3? wf MDL/MDRF 1955 DIV DUCE] Q. CHECK INT. STD. —_ SURROGATE WL. : 7 )— (225 LPC 20 (SC Ri-3//A ENDRIN/DDT —_ Analyst ' Cot! revision 10/15/99 Verified by NYC-WTC_000061918
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000061918Source: NYC Law Department, mirrored locally
Related records
Browse subjects →Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
Same-box records
NYC-WTC_000061854
Fragmented document page containing identification codes and metadata for records within the DEP environmental testing archive box 58.
1 shared topics · Same agency, volume and box · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000061484
Fragmented record of water sample analysis parameters from September 2001.
1 shared topics · Same agency, volume and box · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000061449
Laboratory data sheet recording sample analysis parameters including drip rate, ion spike addition, and final volume measurements.
1 shared topics · Same agency, volume and box · similarity 0.951
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000061532
Laboratory report documenting Diquat analysis for sample AD22360 conducted on September 17, 2001.
1 shared topics · Same agency, volume and box · similarity 0.950
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
NYC-WTC_000015915
Laboratory report listing pesticide and organic compound concentrations in sample AE11755 analyzed on May 13, 2002.
1 shared topics · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000059920
Document outlining laboratory method parameters including drip rates, volumes, and pH counts for environmental testing.
Similar document embedding; no shared entity or topic indexed. · similarity 0.957
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000060775
Header page for a GCMS laboratory record showing extraction parameters and drip rate instructions.
1 shared topics · similarity 0.950
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046383
Technical log recording method parameters and sample processing details for a DEP laboratory procedure between April 17 and 26, 2002.
1 shared topics · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024424
Brief log entry or header page from a GCMS analysis record dated between May 13 and May 16, 2002.
1 shared topics · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000048082
Fragmented document page containing metadata and identifiers related to GCMS testing procedures from early April 2002.
1 shared topics · similarity 0.948
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000047429
Technical sheet listing method parameters, drip rates, and quality control metrics for GCMS analysis performed in early April 2002.
1 shared topics · similarity 0.947
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_000061532
Laboratory report documenting Diquat analysis for sample AD22360 conducted on September 17, 2001.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000034425
Fragmented DEP laboratory record from December 2001 containing illegible text and partial date stamps.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000033404
Document header page from a GCMS analysis batch dated December 13, 2001, likely part of the WTC environmental monitoring series.
Similarity score 0.980 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000035515
Fragmented document header containing metadata for gas chromatography-mass spectrometry analysis.
Similarity score 0.979 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000061567
A fragmented technical record from DEP Box 58 containing partial sample identifiers and parameters.
Similarity score 0.979 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000061396
Fragmented document page containing redacted text and a reference code associated with the WTC site records.
Similarity score 0.979 (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_000061853
Environmental Protection Department record from the World Trade Center site dated October 2001.
Filed in the same folder
NYC-WTC_000061854
Fragmented document page containing identification codes and metadata for records within the DEP environmental testing archive box 58.
Filed in the same folder
NYC-WTC_000061858
Laboratory report listing quantitative results for carbamate pesticides in sample AD22171 analyzed in September 2001.
Filed in the same folder
NYC-WTC_000061860
Laboratory report documenting instrument sensitivity, resolution, and quality control parameters for sample AD22171 analyzed in September 2001.
Filed in the same folder
NYC-WTC_000061865
Laboratory report listing quantitative results for carbamate pesticides in sample AD22171 analyzed in September 2001.
Filed in the same folder