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Laboratory extraction method log and calibration data

Machine-extracted title · confidence 85%

Technical log recording drip rates, extraction parameters, and calibration checks for laboratory analysis procedures.

NYC-WTC_000061918–000061920

Folder label: “531.1

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Scanned page image, NYC-WTC_000061918
OCR text

OCR status: ocr · source: ours

NYC 9/11 Public Portal Document om 7 Method S$ 9 | © ( ri Date Extracted ¥ / 7 Z LOf Page 2) Lab # | Description Sample | Drip tae | Surr | Spk Is Final | T.V. pH vol/wt mi/min add | add | add | vol. | pos. LB wa LPL a Cr Ch Cy Cs REE Yv ‘7p AP22¢70|_20 ag & AD22¢) /\ 2s 25 $ el P2242 25 25 4 WA 1723324 25 Vv 28 f PEE _{ f v a | / / [ ( S } i i | ] Remarks . Grip rate must be between 5-15 ml/min for liq-liq extractors drip rate - Extraction type - Solv.lot# NaCl lot# Na2S04 lot# STANDARD | INT STD LOG# let # CALIBRATION =! 72 L Rtie be REF/SPIKE 4 3? wf MDL/MDRF 1955 DIV DUCE] Q. CHECK INT. STD. —_ SURROGATE WL. : 7 )— (225 LPC 20 (SC Ri-3//A ENDRIN/DDT —_ Analyst ' Cot! revision 10/15/99 Verified by NYC-WTC_000061918

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NYC-WTC_000061918Source: NYC Law Department, mirrored locally

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