NYC-WTC_000028617
Extraction method records and measurement data for sample AD24477 analyzed in November 2001.
1 shared topics · Same agency, volume and box · similarity 0.990
machine-extracted · confidence unavailable · Check page ↗Document / 6 pages
Sample preparation log, Oct-Nov 2001
Machine-extracted title · confidence 90%Log sheet recording sample preparation parameters including drip rates, pH, and final volumes for laboratory analysis conducted in late 2001.
NYC-WTC_000029749–000029754Folder label: “525 X 10/31/01 AN 10/14/01 - 10/15/01”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
&
Method Date Extracted Page SP
Lab# ___________ ( Description Sample vollwt Drip rate mi/min Sun add Spk add IS add Final vol. T.V. pos. pH (3Jot
wsh -C /a
s2 2 O
42566SSD 4/72561% 022560/. 1 2520s AP2563 t 0 5 L 6
Remarks
drip rate must be between 6-15 5-15 mi/min for liq-liq extractors drip__rate - C. Extraction type - 20E 5 Soiv.lot# C61142E/7 NaCI lot# STANDARD INT STD LOG# 70 Na2S04 tot#
CALIBRATION REF/SPIKE 20340./208%o/2o82 2 MDL/MDRF &A (20824 Q. CHECK INT. STD. SURROGATE 2080b LPC . ! ENDRIN/DDT 4
Analyst). Co- Reviewed by revision 4/12/01, Verified by Date
1
NYC-WTC_000029749
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NYC-WTC_000029749Source: NYC Law Department, mirrored locally
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