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← Document results/DEP Box 30/525 X 11/21/01 A 12/11/01 + REANALYSIS 1/25/02
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Method 525.2 calibration and quality control data, Dec 2001

Machine-extracted title · confidence 100%

Calibration curve and quality control results for Method 525.2 organic compound analysis, showing compound recovery percentages and relative standard deviations.

NYC-WTC_000055358–000055361

Folder label: “525 X 11/21/01 A 12/11/01 + REANALYSIS 1/25/02

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NYC 9/11 Public Portal Document

Method 525 Date Extracted "/al or Page

Lab # Description Sample Drip rate Surr Spk IS Final T.V. pH Count Car 4 J...... _ ........ LB vol/wt ml/min add add add vol. pos. 2 2 N MD& IL IL iMt 78- 723506 I0A REF IL / 76 17984 L 38 12 27985 IL 98 13 279% IL 8A J4 28043. IL loB 15 — IL 3A iG ^0^5 QLat 6A 17 22046 IL 66 A& 28097 ARlet 9A / 19 3804% wA "A'/of 28047 •A 280*6 /2%o/ 28105 996m RB 220 72250| -02/05-8 IL 78 22105-So _/ 3A Pous__ 957c 96 29049 989 3B 28104 296n 2B 3 08/06 tt . 68 V 28169___ /L 2%/6s ____ IL 983» 3A 6A. &A o 08/67 /C V 9A V V Remarks i 2-2048 &A-S1E.S ol ______ I UT Rs_ A -tasted s 4—f1.Dt — ----- ---------------------------------------

drip rate must be between 5-15 ml/min for liq-liq extractors drip rate - Extraction type - SPE Solv.lot# VtE0) iNaCI lot# Na2S04 lot# 13-003 STANDARD INT STD LOG# CALIBRATION 1 REF/SPIKE 22083a QPve 220P-2 Q MDL/MDRF Reviewed—by, Q. CHECK INT. STD. surrogate W8C 0//9A 7157! lpc ENDRIN/DDT

Analyst23.ofadP— UC Reviewed by revision 4/12/01 0 , , Verified by Date 136 33 D&0.

NYC-WTC_000055358

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NYC-WTC_000055358Source: NYC Law Department, mirrored locally

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