The order the City kept.

NYC-WTC_000051500

Administrative record from DEP Box 28 documenting GCMS activities at the World Trade Center site in January 2002.

NYC-WTC_000051501 – NYC-WTC_000051502

Fragmented page from a Department of Environmental Protection laboratory record showing extraction parameters and pH measurements.

NYC-WTC_000051503 – NYC-WTC_000051506

Laboratory report showing GCMS calibration results for sample AE00555 conducted between January 29 and 31, 2002.

NYC-WTC_000051507 – NYC-WTC_000051511

Laboratory report showing GCMS reference analysis results for sample AE00555 conducted between January 29 and February 1, 2002.

NYC-WTC_000051512 – NYC-WTC_000051530

Laboratory report showing GCMS blank analysis results for sample AE00555 conducted between January 29 and February 1, 2002.

NYC-WTC_000051531 – NYC-WTC_000051548

Laboratory report showing GCMS analysis results for sample AE00555 conducted on February 1, 2002.

NYC-WTC_000051549 – NYC-WTC_000051566

Laboratory report showing GCMS analysis results for sample AE00556 conducted on February 1, 2002.

NYC-WTC_000051567 – NYC-WTC_000051585

Laboratory report showing GCMS analysis results for sample AE00562 conducted on February 1, 2002.

NYC-WTC_000051586 – NYC-WTC_000051604

Laboratory report showing GCMS analysis results for sample AE00613 conducted on February 1, 2002.

NYC-WTC_000051605 – NYC-WTC_000051623

Laboratory report showing GCMS analysis results for sample AE00614 conducted on February 1, 2002.

NYC-WTC_000051624 – NYC-WTC_000051641

Laboratory report showing GCMS analysis results for sample AE00615 conducted on February 1, 2002.

NYC-WTC_000051642 – NYC-WTC_000051659

Laboratory report showing GCMS analysis results for sample AE00616 conducted on February 1, 2002.

NYC-WTC_000051660 – NYC-WTC_000051661

Mass spectral data and abundance charts for sample AE00616 generated during analysis on February 1, 2002.