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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: 04A 04A 04A Lab No.: 039109 02 039109 02 039109 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 0.56 pg <0.56 <0.056 N 2,3,7,8-CI4DBD 6.0 <6.0 <6.0 1,2,3.7.8-CI5DBF 1.3 <1.3 <0.065 2,3,4,7,8-CI5DBF 1.2 <1.2 <0.62 1,2,3,7,8-CI5DBD 1.5 <1.5 <0.73 1.2,3,4,7.8-CI6DBF 1.1 <1.1 <0.11 1,2,3,6,7,8-CI6DBF 0.99 <0.99 <0.099 n 2,3,4,6,7,8-CI6DBF 1.2 2.1 0.21 n 1,2,3,7,8,9-CI6DBF 1.3 <1.3 <0.13 1,2,3,4,7,8-CI6DBD 2.3 <2.3 <0.23 1,2,3,6,7,8-CI6DBD 2.1 <2.1 <0.21 1.2,3,7,8.9-CI6DBD 2.1 <2.1 <0.21 1,2,3,4,6,7,8-CI7DBF 22 <22 <0.22 1,2,3,4,7,8,9-CI7DBF 14 <14 <0.14 1,2,3,4,6,7,8-CI7DBD 2.1 9.0 0.090 1,2,3,4,6,7,8,9-CI8DBF 2.2 6.4 0.0064 1,2,3,4,6,7,8,9-CI8DBD 5.7 78 0.078

TEF pg 0.38 MAXTEF « <9.2

ST4CDF 0.56 pg 29 11 5;P5CDF 1.3 4.8 1 2H6CDF 1.2 12 2 ZH7CDF 9.5 <9.5 0 OCDF 2.2 6.4 1 LT4CDD 1.3 31 5 ZP5CDD 1.5 6.7 2 2H6CDD 2.1 N <2.1 0 ZH7CDD 2.1 9.7 2 OCDD 5.7 78 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 88 2,3,7,8-T4CDD-13C12 72 1,2,3,7,8-P5CDF-13C12 66 1,2,3,7,8-P5CDD-13C12 50 1.2,3,6.7,8-H6CDF-13C12 78 1.2,3,6.7,8-H6CDD-13C12 70 1,2,3,4,6,7,8-H7CDF-13C12 78 1,2,3.4,6,7,8-H7CDD-13C12 72 OCDD-13C12 60

Certi^cate No:2J0576 file # =R02100403 TEQ Report nh Page 4 of 18 Revision No. 0

NYC-WTC_000162586

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NYC-WTC_000162586Source: NYC Law Department, mirrored locally

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