The order the City kept.

NYC-WTC_000090586

Fragmented DEP document from November to December 2001 regarding World Trade Center environmental activities.

NYC-WTC_000090587 – NYC-WTC_000090588

Document header page for a DEP laboratory record associated with sample ID NYC-WTC_000090586 from late 2001.

NYC-WTC_000090589 – NYC-WTC_000090590

System log showing instrument setup and file paths for environmental analysis methods.

NYC-WTC_000090591 – NYC-WTC_000090593

List of samples queued for analysis including Endrin decomposition checks and Chlordane calibration verification.

NYC-WTC_000090594 – NYC-WTC_000090597

Laboratory report detailing Endrin concentration in micrograms per gram for sample AD26833.

NYC-WTC_000090598 – NYC-WTC_000090604

Laboratory results for endrin and DDT analysis of sample AD26833 conducted between November and December 2001.

NYC-WTC_000090605 – NYC-WTC_000090611

Laboratory report listing detection levels for multiple organochlorine pesticides including PCBs in sample AD26833.

NYC-WTC_000090612 – NYC-WTC_000090620

Calibration data showing recovery percentages for various pesticide standards in sample AD26833.

NYC-WTC_000090621 – NYC-WTC_000090627

Quality control verification data for pesticide analysis showing measured percentages and detection limits for chlorinated compounds including lindane, aldrin, and others.

NYC-WTC_000090628 – NYC-WTC_000090634

Laboratory report detailing analytical results for chlorinated pesticides in sample AD26833 from November to December 2001.

NYC-WTC_000090635 – NYC-WTC_000090641

Laboratory report showing recovery percentages and relative standard deviations for chlorinated pesticide analysis methods.

NYC-WTC_000090642 – NYC-WTC_000090645

Laboratory data reporting quantitative results for Toxaphene peaks in environmental samples analyzed during December 2001.

NYC-WTC_000090646 – NYC-WTC_000090649

Technical record of instrument signal review and data processing for chlorinated pesticide analysis conducted in December 2001.

NYC-WTC_000090650 – NYC-WTC_000090653

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26846 from late 2001.

NYC-WTC_000090654 – NYC-WTC_000090657

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26847 from late 2001.

NYC-WTC_000090658 – NYC-WTC_000090661

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26833 from late 2001.

NYC-WTC_000090662 – NYC-WTC_000090671

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26845 from late 2001.

NYC-WTC_000090672 – NYC-WTC_000090675

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26833 from late 2001.

NYC-WTC_000090676 – NYC-WTC_000090679

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26833 from late 2001.

NYC-WTC_000090680 – NYC-WTC_000090689

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26833 from late 2001.

NYC-WTC_000090690 – NYC-WTC_000090693

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26845 from late 2001.

NYC-WTC_000090694 – NYC-WTC_000090697

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26845 from late 2001.

NYC-WTC_000090698 – NYC-WTC_000090707

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26845 from late 2001.

NYC-WTC_000090708 – NYC-WTC_000090711

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26846 from late 2001.

NYC-WTC_000090712 – NYC-WTC_000090714

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26846 from late 2001.

NYC-WTC_000090715 – NYC-WTC_000090724

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26846 from late 2001.

NYC-WTC_000090725 – NYC-WTC_000090734

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26847 from late 2001.

NYC-WTC_000090735 – NYC-WTC_000090744

Manual entry report listing detection limits and concentrations for various pesticides in sample AD26982 from late 2001.

NYC-WTC_000090745 – NYC-WTC_000090754

Laboratory analysis of environmental sample AD26984 for organochlorine pesticides and PCBs, with most results below method detection limits and 2,4-DDD detected at 0.17 µg.

NYC-WTC_000090755 – NYC-WTC_000090764

Laboratory report listing analytical results for pesticides and PCBs in sample AD26984 tested between November and December 2001.

NYC-WTC_000090765 – NYC-WTC_000090774

Laboratory report listing analytical results for pesticides and PCBs in sample AD26986 tested between November and December 2001.

NYC-WTC_000090775 – NYC-WTC_000090784

Laboratory report listing analytical results for pesticides and PCBs in sample AD26987 tested between November and December 2001.

NYC-WTC_000090785 – NYC-WTC_000090794

Laboratory report listing analytical results for pesticides and PCBs in sample AD26988 tested between November and December 2001.

NYC-WTC_000090795 – NYC-WTC_000090804

Laboratory report listing analytical results for pesticides and PCBs in sample AD26991 tested between November and December 2001.

NYC-WTC_000090805 – NYC-WTC_000090808

Laboratory report listing analytical results for pesticides and PCBs in sample AD26991 tested between November and December 2001.

NYC-WTC_000090809 – NYC-WTC_000090812

Laboratory report listing analytical results for pesticides and PCBs in sample AD26991 tested between November and December 2001.

NYC-WTC_000090813 – NYC-WTC_000090822

Laboratory report listing analytical results for pesticides and PCBs in sample AD26992 tested between November and December 2001.

NYC-WTC_000090823 – NYC-WTC_000090826

Laboratory report listing analytical results for pesticides and PCBs in sample AD26992 tested between November and December 2001.

NYC-WTC_000090827 – NYC-WTC_000090830

Laboratory report listing analytical results for pesticides and PCBs in sample AD26992 tested between November and December 2001.

NYC-WTC_000090831 – NYC-WTC_000090834

Laboratory report listing analytical results for pesticides and PCBs in sample AD26988 tested between November and December 2001.

NYC-WTC_000090835 – NYC-WTC_000090837

Laboratory report listing analytical results for pesticides and PCBs in sample AD26988 tested between November and December 2001.

NYC-WTC_000090838 – NYC-WTC_000090847

Laboratory report listing analytical results for pesticides and PCBs in sample AD26993 tested between November and December 2001.

NYC-WTC_000090848 – NYC-WTC_000090857

Laboratory report listing analytical results for pesticides and PCBs in sample AD27007 tested between November and December 2001.

NYC-WTC_000090858 – NYC-WTC_000090867

Laboratory report listing analytical results for pesticides and PCBs in sample AD27008 tested between November and December 2001.

NYC-WTC_000090868 – NYC-WTC_000090877

Laboratory report listing analytical results for pesticides and PCBs in sample AD27009 tested between November and December 2001.

NYC-WTC_000090878 – NYC-WTC_000090887

Laboratory report listing analytical results for pesticides and PCBs in sample AD27010 tested between November and December 2001.

NYC-WTC_000090888 – NYC-WTC_000090897

Laboratory report listing analytical results for pesticides and PCBs in sample AD27011 tested between November and December 2001.

NYC-WTC_000090898 – NYC-WTC_000090907

Laboratory report listing analytical results for pesticides and PCBs in sample AD27012 tested between November and December 2001.