The order the City kept.

NYC-WTC_000036491

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

NYC-WTC_000036492 – NYC-WTC_000036493

Fragmented page from a DEP environmental sampling record containing partial text and data fields.

NYC-WTC_000036494 – NYC-WTC_000036497

Laboratory calibration data sheet for GCMS analysis of organic compounds including nitrosamines and chlorobenzenes dated December 13, 2001.

NYC-WTC_000036498 – NYC-WTC_000036502

Laboratory report detailing GCMS calibration analysis for various organic compounds including nitrosamines and chlorobenzenes conducted on December 13, 2001.

NYC-WTC_000036503 – NYC-WTC_000036512

Laboratory report documenting GCMS blank analysis for organic compounds conducted on January 4, 2002, showing results below detection limits.

NYC-WTC_000036513 – NYC-WTC_000036529

Laboratory commentary noting low recovery and acidic pH for sample AD29187, recommending re-extraction and re-analysis on January 4, 2002.

NYC-WTC_000036530 – NYC-WTC_000036541

Laboratory commentary confirming no unusual compounds detected in sample AD29521 during GCMS scan on January 4, 2002.

NYC-WTC_000036542 – NYC-WTC_000036558

Laboratory commentary noting detection of bis(2-Ethylhexyl)phthalate in sample AD29520 and blank on January 25, 2002.

NYC-WTC_000036559 – NYC-WTC_000036569

Laboratory comments on GCMS scan results for sample AD29524 indicating no unusual compounds detected in the mass spectrometry analysis.

NYC-WTC_000036570 – NYC-WTC_000036580

Laboratory comments on GCMS scan results for sample AD29524 indicating no unusual compounds detected.

NYC-WTC_000036581 – NYC-WTC_000036591

Laboratory comments on GCMS scan results for sample AD29518 noting bis(2-Ethylhexyl)phthalate at 0.44 ug/L.

NYC-WTC_000036592 – NYC-WTC_000036602

Laboratory comments on GCMS scan results for sample AD29464 noting bis(2-Ethylhexyl)phthalate at 0.48 ug/L.

NYC-WTC_000036603 – NYC-WTC_000036613

Raw GCMS analysis data and chromatogram details for sample AD29466 including surrogate recovery results.

NYC-WTC_000036614 – NYC-WTC_000036644

Laboratory comments on GCMS scan results for sample AD29466 noting low recovery and scheduling re-extraction.

NYC-WTC_000036645 – NYC-WTC_000036655

Raw GCMS analysis data and chromatogram details for sample AD29517 including surrogate recovery results.

NYC-WTC_000036656 – NYC-WTC_000036677

Laboratory comments on GCMS scan results for sample AD29517 noting low recovery and scheduling re-extraction.

NYC-WTC_000036678 – NYC-WTC_000036688

Header page from a GCMS laboratory report file containing basic identification data for the analysis batch.