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← Document results/DEP Box 27/GCMS X 4/16/02 A 4/24/02
Document / 3 pages

Method 20 laboratory data sheet for April 16-24, 2002

Machine-extracted title · confidence 85%

Technical log recording method parameters and sample processing details for a DEP laboratory procedure between April 16 and 24, 2002.

NYC-WTC_000049519–000049521

Folder label: “GCMS X 4/16/02 A 4/24/02

Page image
Scanned page image, NYC-WTC_000049519
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Method 20 X O oCQ . Date Extracted Page

Lab # i Description Sample Drip rate Surr IS Final T.V. $‘pH60 mCountS — /22- 508 vol/wt mimin add add vol. pos

77 /A C A

/. 7 22A

4

z9ov N/ N N 2

Remarks pre’

= 47 77 -

drip_zatemust be between 515 min for liq-liq extractors drip rate - Extraction type 2D 7 Solv.lot#VO ( 7.NaCilot# Na2S04lot# 7 STANDARD INT STD LOG# CAUBRATION 2) ( SPIKE MDL/MDRF " ‘Ecx Us.- La. shE*: " ’-TO. *AT ----- /c/l X SLPc 1)6 _ t rot) r

e Azlra 6H : . ' D ■ 4/12/01 Reviewed by X Mee Verified by Date

i2 ■ 0 ■it NYC-WTC_000049519

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NYC-WTC_000049519Source: NYC Law Department, mirrored locally

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