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← Document results/DEP Box 20/525 X 11/14, 11/19, 12/7, 12/17 A 12/1/01 12/3/01 12/18/01 12/19/01
Document / 12 pages

WTC environmental monitoring log, Nov-Dec 2001

Machine-extracted title · confidence 85%

Log sheet documenting environmental monitoring activities at the World Trade Center site during November and December 2001.

NYC-WTC_000030246–000030257

Folder label: “525 X 11/14, 11/19, 12/7, 12/17 A 12/1/01 12/3/01 12/18/01 12/19/01”

Page image
Scanned page image, NYC-WTC_000030246
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Method Date Extracted 11 / fol Page /72-

Lab # Description Sample Drip rate Sun- Spk IS Final T.V. pH Count TTi9 vol/wt milmin add add add vol. pos. 2 2 ios 27008 4 Laul 106 76 J0A 3 220/ D 3281 388 9A A NJ IA 10s k 22 0’1 46 | 100 2204 250(5 RA I0g 4 %

—2/053 8A 10

RAIY" /0 54 L l0 3A n eV 38 6A rY (.3 4B iV

AE 78 4/ 1l At— —& SB 6B 29 TY MV/ 1/ 9R Remarks

X$ e ___ ________________________________ o o— = - afo . te--- I LBi--- U

1c 70= *————Mi 5 ( Sto - iClY2E/) drip rateNaCI drip rate must be between 5-15 ml/minffor li< Extraction type - 40r STANDARD INT STD LOG# Solv.lo“nea5)e,a lot# Na2S04 lot# 15£03

CALIBRATION wo: REF/SPIKE 4 72 e 23 & 284 MDL/MDRF 2ed2 44 218 4 / /45- e. —AN set1 q/1 9

Q. CHECK fp——louct INT. STD.ZIWA 2/174 SURROGATE 11 LPC ENDRIN/DDT

Analyst J , C.—> uSe D.6, UL Verified by Reviewed by revision 4/12/01 / Date

NYC-WTC_000030246

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NYC-WTC_000030246Source: NYC Law Department, mirrored locally

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Sample preparation log, Nov 2001 · Box DEP Box 20

NYC-WTC_000029801

Log sheet recording sample preparation parameters including drip rates, pH, and final volumes for laboratory analysis conducted in November 2001.

1 shared topics · Same agency, volume and box · similarity 0.981

machine-extracted · confidence unavailable · Check page ↗
Document label fragment, Oct 2001 · Box DEP Box 20

NYC-WTC_000028203

Fragmented document header or label containing partial text and identifiers from the NYC WTC environmental records collection dated October 2001.

1 shared topics · Same agency, volume and box · similarity 0.981

machine-extracted · confidence unavailable · Check page ↗

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