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← Document results/DEP Box 23/GCMS X 2/19/02 A 3/12/02
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Sample extraction log with drip rate and pH data, Feb-Mar

Machine-extracted title · confidence 100%

Log sheet recording sample extraction parameters including drip rates, volumes, and pH measurements for environmental analysis.

NYC-WTC_000037497–000037498

Folder label: “GCMS X 2/19/02 A 3/12/02

Page image
Scanned page image, NYC-WTC_000037497
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document “5 "272" ... —seeretel Ceesat ’ t teselneecsnctaeSs

Method Date Extracted 9 -4-02 • ‘ l Page

AAk. Lab# Description Sample Drip rate Surr IS Final T.V. pH Count vol/wt 500.L m/min add (al. add add vol. Ja i04 pos. N 1 Rea laal 86 (o R2 36.8 F,B. 84 3730 14 313, 16 3132 16 3733 74 3734 64 •5 3335, 46 3136 3A J * 3737 F.6. 3B $198 V 44 y c

p

. ........i........ Remarks

— eviewed—by. by, =264 [drip rate must be between 5-15 mi/min for liq-liq extractors Extraction type - SeP fUA*'- Solv.lot# V 43 F0 STANDARD INT STD LOG# drip rate - Naci tot# V37&i Na2SO4 tot# V4o 623 CALIBRATION ! (REF)s PIKE MDL/MDRF HE P Q. CHECK 1 INT. STD. SURROGATE 021202 LPC }

ENDRIN/DDT

Analyst A.D BW3)M Reviewed by_____ revision 4/12/01 Verified by

NYC-WTC_000037497

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NYC-WTC_000037497Source: NYC Law Department, mirrored locally

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