NYC-WTC_000044431
Fragment of a document containing unreadable text and partial headers from a DEP laboratory procedure.
1 shared topics · Same agency, volume and box · similarity 0.982
machine-extracted · confidence unavailable · Check page ↗Document / 2 pages
GCMS method sheet with sample parameters, May 2002
Machine-extracted title · confidence 90%Administrative page listing laboratory method details, sample volumes, and surrogate addition parameters for environmental testing on May 2002.
NYC-WTC_000045046–000045047Folder label: “GCMS X 5/1/02 A 5/8/02”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Method 50% Mec Date Extracted-1-0 z Page 73
Lab # | Description Sample •******AWR====~-----=---=== **AWAAAAW AA w
i vol/wt Drip rate mi/min Surr add 444 S/k add IS add Final vol. T.V. pos. pH Count
.L Szom / im( (A Ind 6B -8. §8(6 40302 7A /0305 OA (030 6 70307 I /330g 04 1/3A I
Remarks
V* R ed by 4. 32/0— drip rate must be between 5-15 ml/min for liq-liq extractors drip rate -_____ o l *# 3
3. Extraction type -SCPPLe Solv.lot# I STANDARD X0SeIO |NaCI lot# Vo0(4 Na2SO4 lot# VAA vY R1 CALIBRATION 17y----- INT STD LOG#
W —SBEF/SPIKE r® ■ .MDU/MDRF
A =-0 CHECK s2 :'Ir STD. 2274 E
tit "—■— g. AURROGATE CrCllLS (C AUX 423 2STLc_ WDDRIN/DDT st hEA thes"son 4/12/01 Verified by Reviewed by Date
£4
NYC-WTC_000045046
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000045046Source: NYC Law Department, mirrored locally
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NYC-WTC_000044857
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Similarity score 0.978 (not a probability)
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