The order the City kept.

NYC-WTC_000043641

Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 24 and May 3, 2002.

NYC-WTC_000043642 – NYC-WTC_000043645

Technical record of GC/MS analytical parameters and sample processing details for the batch dated May 2002.

NYC-WTC_000043646 – NYC-WTC_000043654

Laboratory report documenting a GC/MS blank run to check for contamination in the analytical system on May 6, 2002.

NYC-WTC_000043655 – NYC-WTC_000043658

Calibration report listing target compounds and their concentrations for the GC/MS analysis performed on May 6, 2002.

NYC-WTC_000043659 – NYC-WTC_000043666

Report detailing the response values for GC/MS reference standards used to verify instrument performance on May 6, 2002.

NYC-WTC_000043667 – NYC-WTC_000043677

Summary of GC/MS analytical results for sample AE08838 processed on May 7, 2002, including surrogate recovery data.

NYC-WTC_000043678 – NYC-WTC_000043685

Calibration table for GC/MS analysis listing deuterated standards and their response values from April 24, 2002.

NYC-WTC_000043686 – NYC-WTC_000043698

Summary of GC/MS analytical results for sample AE08837 processed on May 7, 2002, including surrogate recovery data.

NYC-WTC_000043699 – NYC-WTC_000043713

Calibration data for GC/MS analysis of surrogate compounds including dichlorobenzenes and naphthalene from April 2002.

NYC-WTC_000043714 – NYC-WTC_000043715

Library search report for GC/MS scan data identifying compounds such as cyclopentasiloxane from April 2002.

NYC-WTC_000043716 – NYC-WTC_000043725

Analytical report for sample AE08934 documenting GC/MS analysis of unknown compounds and surrogate recovery data from May 2002.

NYC-WTC_000043726 – NYC-WTC_000043734

Calibration data for GC/MS analysis of surrogate compounds including dichlorobenzenes and naphthalene from April 2002.

NYC-WTC_000043735 – NYC-WTC_000043744

Analytical report for sample AE09581 documenting GC/MS analysis of unknown compounds and surrogate recovery data from May 2002.