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Lab drip rate and pH results, DEP Box 30, Oct

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Laboratory record documenting drip rates, pH levels, and particle counts for environmental samples processed in October 2001.

NYC-WTC_000056893
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NYC 9/11 Public Portal Document

Method Date Extracted ///0/ Page

Lab# Description Sample Drip rate Surr Spk IS Final T.V. pH Count vol/wt ml/min add add add vol. pos. <9 % 28 iC 77 68 - IL- a -221/8 EF %A

1 IL 5A IL 26 o/82 L__ 3A 1 227/29 979mi 28 2 27/90 970nt 58 3 37/ 9/ 225Al Y8 1 930ml 5 22192 95w4 9 6mi tlal 3B 7D 44 V 6 7 27332/ 99Yml Iml 5R 2. * 995me 48 X 27271 990m 66 (0 * _/L 58 if * 272.74 / 3A /I 07288__ / 78 /3 27289 3A /¥ 07210__ /d 3R s 3 73 g? 993md 4A /6 O 27390 297%e 88 /7 2739/ 940,z v 6A JZ

: (9 Remarks * SAnpe C Casknala 0Nwe0 lds ——APP**okt—H! Ce 1U

( ====S=Rlosad drip rate must be between 5-15 ml/min for liq-liq extractor! Extraction type - SPt---------- a— Solv.lot#CYCC? —■- NaCI /¥3607 ---------- lot# |_____drip rate -___________________ — Na2S04 lot# / 32603 STANDARD INT STD LOG# CALIBRATION REF/SPIKE 2o8eloH4/&7 0 MDL/MDRF h SC *— Q. CHECK ed 624 INT. STD. SURROGATE LPC ENDRIN/DDT 21/7b M 3 K-ODM 4

Analyst 27.400 Reviewed by revision 4/12/01 D.G.O. Verified by Date

D

NYC-WTC_000056893

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NYC-WTC_000056893Source: NYC Law Department, mirrored locally

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