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Document / 4 pages

Laboratory method sheet for extraction and pH analysis, Sept 2001

Machine-extracted title · confidence 90%

Technical record outlining methods for sample extraction and pH measurement during DEP laboratory testing.

NYC-WTC_000063539–000063542

Folder label: “525 9/25 - 9/26/01 Extr 10/1 Analysis

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Scanned page image, NYC-WTC_000063539
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Ik • Method ^7^ Date Extracted Page

Lab# Description [ Sample Drip rate Surr Spk IS Final T.V. pH 4 vol/wt ml/min add / add add vol. )POS.

s Mk ___

!> _L

jy ^773 ^2277^ 7^777 7 7777g

\l O'

57^

A it 7 % r u Remarks 4^ I, /, t-'"'

drip rate must be between y 5 rnl/rnin for liq-liq extractors drip rate - Extraction type - Soiv.lot# fNaCHo^ Na2SO4 lot# i/i X STANDARD CALIBRATION INT STD LOG# zsa REF/SPIKE MDL/MDRF Q. CHECK INT. STD. SURROGATE LPC ENDRIN/DDT

Analyst revision'l O/(W9 9 Verified by Supv. approved t

Wn NYC-WTC_000063539

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NYC-WTC_000063539Source: NYC Law Department, mirrored locally

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