The order the City kept.

NYC-WTC_000024423

Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.

NYC-WTC_000024424 – NYC-WTC_000024426

Brief log entry or header page from a GCMS analysis record dated between May 13 and May 16, 2002.

NYC-WTC_000024427 – NYC-WTC_000024436

Record of sample preparation parameters including drip rates and volumes for GCMS analysis conducted in mid-May 2002.

NYC-WTC_000024437 – NYC-WTC_000024440

Laboratory report showing calibration results for volatile organic compounds using GCMS methods between May 13 and May 15, 2002.

NYC-WTC_000024441 – NYC-WTC_000024449

Laboratory record of reference standard analysis for volatile organic compounds using GCMS methods from May 13 to May 15, 2002.

NYC-WTC_000024450 – NYC-WTC_000024462

Chain of custody record for GCMS analysis of sample AE10986 on May 22, 2002, including surrogate compound data.

NYC-WTC_000024463 – NYC-WTC_000024471

Gas chromatography-mass spectrometry analysis of sample AE10987 completed May 22, 2002, showing unknown compounds and surrogate recovery at 89%.

NYC-WTC_000024472 – NYC-WTC_000024483

Laboratory report documenting GCMS analysis of sample AE11152 conducted on May 22, 2002, including surrogate recovery data.

NYC-WTC_000024484 – NYC-WTC_000024494

Laboratory report documenting GCMS analysis of sample AE11153 conducted on May 22, 2002, including surrogate recovery data.

NYC-WTC_000024495 – NYC-WTC_000024513

Laboratory report documenting GCMS analysis of sample AE11155 conducted on May 22, 2002, including surrogate recovery data.

NYC-WTC_000024514 – NYC-WTC_000024528

Laboratory report documenting GCMS analysis of sample AE11156 conducted on May 22, 2002, including surrogate recovery data.

NYC-WTC_000024529

Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.

NYC-WTC_000024530 – NYC-WTC_000024533

Single-page document containing a GCMS file identifier and reference number from the May 2002 testing batch.

NYC-WTC_000024534 – NYC-WTC_000024542

Laboratory report showing blank test results for GCMS analysis of sample AE11282 conducted between May 13 and May 16, 2002.

NYC-WTC_000024543 – NYC-WTC_000024546

Laboratory report displaying calibration data for GCMS analysis of sample AE11282 conducted between May 13 and May 16, 2002.

NYC-WTC_000024547 – NYC-WTC_000024564

Laboratory report displaying reference standard results for GCMS analysis of sample AE11282 conducted between May 13 and May 16, 2002.

NYC-WTC_000024565 – NYC-WTC_000024574

Laboratory report documenting GCMS analysis of sample AE11283 conducted on May 28, 2002, including surrogate recovery data.

NYC-WTC_000024575 – NYC-WTC_000024584

Laboratory report documenting GCMS analysis of sample AE11285 conducted on May 28, 2002, including surrogate recovery data.

NYC-WTC_000024585 – NYC-WTC_000024595

Laboratory report documenting GCMS analysis of sample AE11303 conducted on May 28, 2002, including surrogate recovery data.

NYC-WTC_000024596 – NYC-WTC_000024612

Laboratory report documenting GCMS analysis of sample AE11304 conducted on May 28, 2002, including surrogate recovery data.

NYC-WTC_000024613 – NYC-WTC_000024622

Laboratory report documenting GCMS analysis of sample AE11305 conducted on May 28, 2002, including surrogate recovery data.