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HVAC status spreadsheet update and column explanation, Dec 2002

Machine-extracted title · confidence 95%

Forwarding an updated HVAC status spreadsheet with added quadrant columns and explanations for system information reporting.

NYC-WTC_000162576–000162601

Folder label: “E-mails 2002 M. Gilsenan

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NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100403 R02100403 R02100403 Client ID: 01A 01A 01A Lab No.: 039106 02 039106 02 039106 02 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:

Component RDL Units TEF # of Isomers

Dioxins and furans

2.3,7,8-CI4DBF 0.21 pg 2.6 0,26 2,3,7,8-CI4DBD 0.52 <0.52 <0.52 n 1,2.3,7,8-CI5DBF 0.62 <0.62 <0.031 2.3.4,7,8-CI5DBF 0.41 <0.41 <0.20 1,2,3,7,8-CI5DBD 0.48 <0.48 <0.24 1,2,3,4,7,8-CI6DBF 0.57 <0.57 <0.057 1,2,3,6,7,8-CI6DBF 0.53 <0.53 <0.053 2,3,4,6,7,8-CI6DBF 0.62 H <0.62 <0.062 1,2,3,7,8,9-CI6DBF 0.68 <0.68 <0.068 n 1,2,3,4,7,8-CI6DBD 0.39 <0.39 <0.039 1,2,3.6,7,8-CI6DBD 0.36 H <0.36 <0.036 ti 1,2,3,7,8,9-CI6DBD 0.35 <0.35 <0.035 1,2,3,4,6,7,8-CI7DBF 7.4 <7.4 <0.074 1.2,3,4,7,8,9-CI7DBF 8.5 <8.5 <0.085 1,2,3,4,6,7.8-CI7DBD 0.64 1.7 0.017 n 1,2,3,4.6,7,8,9-CI8DBF 0.42 1.5 0.0015 1,2,3,4,6,7,8,9-CI8DBD 0.71 26 0.026

TEF pg 0.31 n MAXTEF <1.8

ST4CDF 0.21 pg 10 8 SP5CDF 0.42 0.76 1 LH6CDF 0.57 n <0.57 0 n SH7CDF 7.9 <7.9 0 OCDF 0.42 n 1.5 1 ST4CDD 0.53 8.9 3 ZP5CDD 0.48 <0.48 0 SH6CDD 0.36 <0.36 0 ZH7CDD 0.64 3.2 2 OCDD 0.71 26 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 84 2.3,7,8-T4CDD-13C12 76 1,2,3,7,8-P5CDF-13C12 82 1,2,3,7,8-P5CDD-13C12 85 1,2,3,6,7,8-H6CDF-13C12 76 1,2,3,6,7.8-H6CDD-13C12 75 1,2,3,4,6,7,8-H7CDF-13C12 82 1,2,3.4,6,7,8-H7CDD-13C12 93 OCDD-13C12 75

Certificate No:2J0576 file # =R02100403 TEQ Report nh Pagel of 18 Revision No. 0

NYC-WTC_000162583

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NYC-WTC_000162583Source: NYC Law Department, mirrored locally

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