NYC-WTC_000061396
Fragmented document page containing redacted text and a reference code associated with the WTC site records.
1 shared topics · Same agency, volume and box · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗Document / 3 pages
Water quality lab data sheet, Sept 2001
Machine-extracted title · confidence 60%Fragmented record of water sample analysis parameters from September 2001.
NYC-WTC_000061484–000061486Folder label: “549.2”
Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document , I !
t Method Date Extracted Page I
Lab# Description Sample Drip rate Surr Spk IS Rnal T.V. pH vol/wt ml/min add add add vol. pos.
______
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W22n AD 213^ X i£= n iswer/zai 4 J±^ AD 7 7/^7 r7 AniSni i 1
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Remarks
QC peviewed by,.
drip rate must be between 5-15 ml/min for liq-liq extractors drip rate - Extraction type - SoIv.lot# iNaCI lot# Na2SO4 lot# STANDARD CALIBRATION INT STD LOG# / r REF/SPIKE MDL/MDRF Q. CHECK INT. STD. SURROGATE LPC ENDRIN/DDT
Analyst J*! revision 10/15/99
NYC-WTC_000061484 ' Verified by
w Supv. approved 'Vy * \ \
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NYC-WTC_000061484Source: NYC Law Department, mirrored locally
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