The order the City kept.

NYC-WTC_000017040

Fragmented administrative record from the DEP laboratory files dated January 2002 regarding environmental sample processing.

NYC-WTC_000017041

Verification document from the DEP laboratory confirming the completion of GCMS analytical procedures in January 2002.

NYC-WTC_000017042 – NYC-WTC_000017049

Gas chromatography-mass spectrometry blank analysis showing results below method detection limits for various organic compounds.

NYC-WTC_000017050 – NYC-WTC_000017053

Laboratory calibration report from the DEP testing for volatile organic compounds using GCMS analysis on December 31, 2001.

NYC-WTC_000017054 – NYC-WTC_000017059

Reference data sheet from the DEP laboratory documenting GCMS analysis parameters and results for volatile organic compounds.

NYC-WTC_000017060 – NYC-WTC_000017068

Laboratory analysis report from the DEP identifying unknown compounds in environmental sample AD29931 using GCMS on January 18, 2002.

NYC-WTC_000017069 – NYC-WTC_000017078

Laboratory report detailing GCMS analysis of sample AD30350 including DDD surrogates on January 18, 2002.

NYC-WTC_000017079 – NYC-WTC_000017087

Laboratory analysis report from the DEP identifying unknown compounds in environmental sample AD30424 using GCMS on January 18, 2002.

NYC-WTC_000017088 – NYC-WTC_000017096

Laboratory analysis report from the DEP identifying unknown compounds in environmental sample AD30423 using GCMS on January 18, 2002.

NYC-WTC_000017097 – NYC-WTC_000017107

Laboratory report detailing GCMS analysis of sample AD30486 including DDD surrogates on January 18, 2002.

NYC-WTC_000017108 – NYC-WTC_000017117

Laboratory analysis report from the DEP identifying unknown compounds in environmental sample AD30487 using GCMS on January 18, 2002.