The order the City kept.

NYC-WTC_000035662

Department of Environmental Protection record logging GCMS X samples from November to December 2001.

NYC-WTC_000035663

Fragmented document containing method 508 data and sample IDs processed by GCMS in late 2001.

NYC-WTC_000035664 – NYC-WTC_000035673

Laboratory data sheet recording GCMS Method 508 analysis of a blank sample for nitrosamines and chlorinated compounds.

NYC-WTC_000035674 – NYC-WTC_000035677

Calibration data sheet verifying instrument response for nitrosamines and benzene derivatives.

NYC-WTC_000035678 – NYC-WTC_000035682

Document containing calculated reference values for various organic compounds analyzed by GCMS.

NYC-WTC_000035683 – NYC-WTC_000035691

Laboratory notes stating the GCMS scan of sample AD28898 revealed no unusual compounds.

NYC-WTC_000035692 – NYC-WTC_000035699

Laboratory notes stating the GCMS scan of sample AD28902 revealed no unusual compounds.

NYC-WTC_000035700 – NYC-WTC_000035716

Laboratory notes stating the GCMS scan of sample AD28901 revealed no unusual compounds.

NYC-WTC_000035717 – NYC-WTC_000035726

Laboratory notes identifying potential laboratory contamination by specific esters in sample AD28899.

NYC-WTC_000035727 – NYC-WTC_000035736

Laboratory notes stating the GCMS scan of sample AD28897 revealed no unusual compounds.

NYC-WTC_000035737 – NYC-WTC_000035744

Laboratory notes stating the GCMS scan of sample AD28862 revealed no unusual compounds.

NYC-WTC_000035745 – NYC-WTC_000035754

Laboratory notes indicating re-extraction is required due to low recovery and potential contamination.

NYC-WTC_000035755 – NYC-WTC_000035764

Lab report noting bis(2-Ethylhexyl) Sebacate detection and potential laboratory contamination in a water sample.

NYC-WTC_000035765 – NYC-WTC_000035772

Lab notes for sample AD28860 indicate no unusual compounds detected but recovery was below acceptance range.