The order the City kept.

NYC-WTC_000016272

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

NYC-WTC_000016273 – NYC-WTC_000016275

Laboratory log sheet recording extraction parameters and sample processing details for GCMS analysis methods.

NYC-WTC_000016276 – NYC-WTC_000016279

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

NYC-WTC_000016280 – NYC-WTC_000016284

Laboratory report of gas chromatography-mass spectrometry reference analysis performed on January 16, 2002.

NYC-WTC_000016285 – NYC-WTC_000016292

Laboratory report of a GCMS blank run performed on February 7, 2002, to verify absence of contamination.

NYC-WTC_000016293 – NYC-WTC_000016301

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31401 conducted on February 11, 2002.

NYC-WTC_000016302 – NYC-WTC_000016310

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31408 conducted on February 11, 2002.

NYC-WTC_000016311 – NYC-WTC_000016319

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31463 conducted on February 11, 2002.

NYC-WTC_000016320 – NYC-WTC_000016329

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31462 conducted on February 11, 2002.

NYC-WTC_000016330 – NYC-WTC_000016340

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31461 conducted on February 11, 2002.

NYC-WTC_000016341 – NYC-WTC_000016351

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31402 conducted on February 11, 2002.

NYC-WTC_000016352 – NYC-WTC_000016358

Laboratory document detailing GC/MS calibration data for various compounds and method parameters reviewed on January 17, 2002.