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GCMS Method 502 log, Dec 2001

Machine-extracted title · confidence 85%

Record of Method 502 GCMS analysis data and quality control parameters for samples analyzed in December 2001.

NYC-WTC_000019036–000019039

Folder label: “GCMS X 12/13/01 A 12/22/01 AND 12/27/01

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Scanned page image, NYC-WTC_000019036
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Method 502 mod I Date Extracted _ 2/13/0) Page

Lab# Description Sample Drip rate Surr Spi is Final T.V. pH Count vol/wt ml/min add add add vol. pos. FOwL InL [m IA 9 ErovX O5mL _B aA 305 _ 30004.77 30280 3B 20055..7 4A 20856 , 3031 Tu 30315 7 30313 st I84 30312 i 50

Remarks

‘Kq -pg MJAli

1

drip rate must be between 45 ml/min for liq-liq extractors drip rate - i Extraction type 2 > Ky Solv.lot# V391G |NaCI lot# V/[591 Na2S04 lot# V39HOO STANDARD INT STD LOG# CALIBRATION

999 4 REF/SPIKE MDL/MDRF Q. CHECK reviewed b 3

INT. STD. I

SURROGATE GCHS.490[ 1; LPC

N ENDRIN/DDT |

Analyst Reviewed by i i i ’ : lb revision 4/12/01 Verified by Date ___

' I

ilia

NYC-WTC_000019036

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NYC-WTC_000019036Source: NYC Law Department, mirrored locally

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