The order the City kept.

NYC-WTC_000016055

DEP GCMS analysis log covering samples processed between late December 2001 and mid-January 2002.

NYC-WTC_000016056 – NYC-WTC_000016057

Technical log detailing extraction rates, volumes, and pH settings used during sample preparation for GCMS analysis.

NYC-WTC_000016058 – NYC-WTC_000016060

Documentation of instrument settings and calibration parameters for Method 508 analysis conducted in early 2002.

NYC-WTC_000016061 – NYC-WTC_000016064

Calibration data sheet listing response factors for various organic compounds including nitrosamines and chlorinated benzenes.

NYC-WTC_000016065 – NYC-WTC_000016067

Calibration report showing retention times and response factors for deuterated internal standards used in PAH analysis.

NYC-WTC_000016068 – NYC-WTC_000016072

Reference analysis report confirming instrument performance with measured values for nitrosamines and chlorinated solvents.

NYC-WTC_000016073 – NYC-WTC_000016077

Reference analysis report confirming instrument performance with measured values for nitrosamines and chlorinated solvents.

NYC-WTC_000016078 – NYC-WTC_000016086

Laboratory blank report confirming no detectable contamination for nitrosamines and chlorinated solvents during the run.

NYC-WTC_000016087 – NYC-WTC_000016095

Laboratory report listing pesticide and organic compound concentrations in sample AD31339 analyzed on February 7, 2002.

NYC-WTC_000016096 – NYC-WTC_000016117

GCMS analysis report for sample AD27288 showing surrogate recovery and unknown compounds from December 19, 2001.

NYC-WTC_000016118 – NYC-WTC_000016124

Calibration table for GCMS analysis listing surrogate compounds and response factors from January 16, 2002.

NYC-WTC_000016125 – NYC-WTC_000016135

GCMS analysis report for sample AD27392 showing surrogate recovery and unknown compounds from December 19, 2001.

NYC-WTC_000016136 – NYC-WTC_000016148

GCMS analysis report for sample AD31377 showing surrogate recovery and unknown compounds from February 7, 2002.

NYC-WTC_000016149 – NYC-WTC_000016158

GCMS analysis report for sample AD31374 showing surrogate recovery and unknown compounds from February 7, 2002.

NYC-WTC_000016159 – NYC-WTC_000016168

GCMS analysis report for sample AD31375 showing surrogate recovery and unknown compounds from February 7, 2002.

NYC-WTC_000016169 – NYC-WTC_000016177

GCMS analysis report for sample AD31376 showing surrogate recovery and unknown compounds from February 7, 2002.

NYC-WTC_000016178 – NYC-WTC_000016186

GCMS analysis report for sample AD31349 showing surrogate recovery and unknown compounds from February 7, 2002.

NYC-WTC_000016187 – NYC-WTC_000016194

GCMS analysis report for sample AD31381 showing surrogate recovery and unknown compounds from February 7, 2002.

NYC-WTC_000016195 – NYC-WTC_000016203

GCMS analysis report for sample AD31378 showing surrogate recovery and unknown compounds from February 7, 2002.

NYC-WTC_000016204 – NYC-WTC_000016212

Gas chromatography-mass spectrometry analysis of environmental sample AD31379 completed on 02/07/2002, showing 2,4-DDD surrogate recovery at 115%.

NYC-WTC_000016213 – NYC-WTC_000016222

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31380 conducted on February 7, 2002.

NYC-WTC_000016223 – NYC-WTC_000016231

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31348 conducted on February 7, 2002.

NYC-WTC_000016232 – NYC-WTC_000016241

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31347 conducted on February 7, 2002.

NYC-WTC_000016242 – NYC-WTC_000016250

Laboratory report of a GCMS blank run for sample AD31347 performed on February 5, 2002.

NYC-WTC_000016251 – NYC-WTC_000016259

GCMS analysis report for sample AD31365 showing surrogate recovery and unknown compounds from February 7, 2002.

NYC-WTC_000016260 – NYC-WTC_000016271

GCMS analysis report for sample AD31403 showing surrogate recovery and unknown compounds from February 7, 2002.