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GCMS method 508/22 sample preparation log, March 2002

Machine-extracted title · confidence 90%

Log sheet recording sample preparation details including drip rates and pH for GCMS analysis in March 2002.

NYC-WTC_000037820–000037824

Folder label: “GCMS X 2/20/02 A 3/20/02

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Scanned page image, NYC-WTC_000037820
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

A

Method- me Date Extracted 2420/22 Page 2 Lab # Description Sample __ _ gel_ - Drip rate Sun- IS Final T.V. pH Count 5 sasessss TEEEEEYs sasses " )T — sssss vol/wt ml/min add add add vol. pos. 5 ml t ImQ IBATe in 96 y 37‘ 28 3801 U8 2802 1o 2203 EAY7A 00 3332 F 3805 *364-- ke-&. 4 Q6 of

Remarks

drip rate must be between 5,15 ml/min for liq-liq extractors cdrip rate - Extraction type G00/A Solv.lot# VU&E| Nad lot# V206(2 Na2SO4 lot# Vo29 STANDARD i INT STD LOG# CALIBRATION

t It (REESPIKE MDL/MDRF R yiewedby, 2442 It It Q. CHECK INT. STD. SURROGATE (- 2 2100, it vs LPC ENDRIN/DDT Mb ■W 0 ; Analyst________ Reviewed by g revision 4/12/01 Verified by Date

NYC-WTC_000037820

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NYC-WTC_000037820Source: NYC Law Department, mirrored locally

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