The order the City kept.

NYC-WTC_000051782

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

NYC-WTC_000051783 – NYC-WTC_000051784

Technical log recording method parameters and sample processing details for a DEP laboratory procedure between January 10 and 16, 2002.

NYC-WTC_000051785 – NYC-WTC_000051788

GCMS analysis log for sample AE00703 showing detection of nitrosamines and chlorobenzenes on January 17, 2002.

NYC-WTC_000051789 – NYC-WTC_000051793

GCMS analysis log for sample AE00703 showing detection of nitrosamines and chlorobenzenes on January 17, 2002.

NYC-WTC_000051794 – NYC-WTC_000051805

GCMS analysis log for sample AE00703 showing blank results with compounds below detection limits on January 16, 2002.

NYC-WTC_000051806 – NYC-WTC_000051824

GCMS analysis log for sample AE00700 showing surrogate recovery and unknown compounds detected on February 13, 2002.

NYC-WTC_000051825 – NYC-WTC_000051841

Data file header and method information for sample AE00700 from January 16, 2002 laboratory records.

NYC-WTC_000051842 – NYC-WTC_000051859

Gas chromatography-mass spectrometry analysis of sample AE00703 conducted on 1/28/02, detecting unknown compounds and 2,4-DDD surrogate at 117 ug with 5.0 MDL.

NYC-WTC_000051860 – NYC-WTC_000051876

GCMS analysis log for sample AE00697 showing surrogate recovery and unknown compounds detected on January 29, 2002.

NYC-WTC_000051877 – NYC-WTC_000051894

GCMS analysis log for sample AE00701 showing surrogate recovery and unknown compounds detected on January 29, 2002.

NYC-WTC_000051895 – NYC-WTC_000051913

GCMS analysis log for sample AE00702 showing surrogate recovery and unknown compounds detected on January 29, 2002.

NYC-WTC_000051914 – NYC-WTC_000051929

GCMS analysis log for sample AE00704 showing surrogate recovery and unknown compounds detected on January 29, 2002.

NYC-WTC_000051930 – NYC-WTC_000051947

GCMS analysis log for sample AE00737 showing surrogate recovery and unknown compounds detected on January 29, 2002.

NYC-WTC_000051948 – NYC-WTC_000051966

Gas chromatography-mass spectrometry analysis of sample AE00738 conducted on 1/29/02, detecting unknown compounds and 2,4-DDD surrogate at 99 ug with 5.0 MDL.

NYC-WTC_000051967 – NYC-WTC_000051983

GCMS analysis log for sample AE00739 showing surrogate recovery and unknown compounds detected on January 29, 2002.

NYC-WTC_000051984 – NYC-WTC_000052000

GCMS analysis log for sample AE00740 showing surrogate recovery and unknown compounds detected on January 29, 2002.

NYC-WTC_000052001 – NYC-WTC_000052016

GCMS analysis log for sample AE00699 showing surrogate recovery and unknown compounds detected on January 29, 2002.