The order the City kept.

NYC-WTC_000089940

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

NYC-WTC_000089941 – NYC-WTC_000089942

Fragmented document page from the November 13 to December 7, 2001 environmental testing batch.

NYC-WTC_000089943 – NYC-WTC_000089944

Data sheet recording extraction parameters and sample counts for the November 13 to December 7, 2001 batch.

NYC-WTC_000089945 – NYC-WTC_000089947

Instrument sequence log listing sample preparation steps and reagents for the November 13 to December 7, 2001 batch.

NYC-WTC_000089948 – NYC-WTC_000089951

Laboratory report listing pesticide concentrations for sample AD27116 analyzed between November 13 and December 7, 2001.

NYC-WTC_000089952 – NYC-WTC_000089963

Laboratory report displaying instrument resolution and signal-to-noise ratio for sample AD27116 analyzed in late 2001.

NYC-WTC_000089964 – NYC-WTC_000089970

Laboratory report showing pesticide detection results for sample AD27116 analyzed between November 13 and December 7, 2001.

NYC-WTC_000089971 – NYC-WTC_000089977

Laboratory report listing pesticide concentrations for sample AD27116 analyzed between November 13 and December 7, 2001.

NYC-WTC_000089978 – NYC-WTC_000089979

Laboratory report detailing pesticide concentrations and recovery percentages for sample AD27116 analyzed in late 2001.

NYC-WTC_000089980 – NYC-WTC_000089986

Second quality control check (CCV2) for pesticide analysis showing recovery data for propachlor, methoxychlor, chlordane, toxaphene, and PCBs.

NYC-WTC_000089987 – NYC-WTC_000089990

Laboratory report listing concentrations of pesticides and PCBs in sample AD27116 analyzed between November and December 2001.

NYC-WTC_000089991 – NYC-WTC_000089997

Raw chromatographic data and compound identification logs for pesticide analysis conducted in December 2001.

NYC-WTC_000089998 – NYC-WTC_000090004

Quantitative results for multiple pesticide compounds and surrogate recovery rates from December 2001 testing.

NYC-WTC_000090005 – NYC-WTC_000090011

Laboratory data detailing pesticide compound concentrations and surrogate recovery rates from samples tested in December 2001.

NYC-WTC_000090012 – NYC-WTC_000090015

Laboratory report containing pesticide concentration data and statistical summaries for samples analyzed in December 2001.

NYC-WTC_000090016 – NYC-WTC_000090017

Quality control record showing pesticide spike recovery rates and compound responses from testing conducted in December 2001.

NYC-WTC_000090018 – NYC-WTC_000090019

Quality control log documenting PCB Arochlor 1260 spike recovery percentages and analytical responses from December 2001 testing.

NYC-WTC_000090020 – NYC-WTC_000090028

Laboratory report detailing pesticide and PCB concentrations for sample AD27114 with most compounds below detection limits in December 2001.

NYC-WTC_000090029 – NYC-WTC_000090032

Summary of pesticide and PCB concentrations for sample AD27114, with most compounds below detection limits in late 2001.

NYC-WTC_000090033 – NYC-WTC_000090041

Detailed concentration data for pesticides and PCBs in sample AD27115, including quantified values and surrogate recovery.

NYC-WTC_000090042 – NYC-WTC_000090045

Laboratory report listing pesticide and PCB concentrations for sample AD27115, with most values below detection limits.

NYC-WTC_000090046 – NYC-WTC_000090049

Quantitative data for pesticides and PCBs in sample AD27115, including Toxaphene detection and surrogate recovery metrics.

NYC-WTC_000090050 – NYC-WTC_000090058

Laboratory summary of pesticide concentrations for sample AD27116, showing surrogate recovery metrics in December 2001.

NYC-WTC_000090059 – NYC-WTC_000090062

Report of pesticide and PCB concentrations for sample AD27116, with Chlordane detection and surrogate recovery metrics.

NYC-WTC_000090063 – NYC-WTC_000090066

Detailed concentration data for pesticides and PCBs in sample AD27116, including Chlordane detection and surrogate recovery.

NYC-WTC_000090067 – NYC-WTC_000090075

Laboratory summary of pesticide concentrations for sample AD27188, showing surrogate recovery metrics in December 2001.

NYC-WTC_000090076 – NYC-WTC_000090079

Report of pesticide and PCB concentrations for sample AD27188, with Chlordane detection and surrogate recovery metrics.

NYC-WTC_000090080 – NYC-WTC_000090081

Quality control record showing pesticide spike recovery rates and compound responses from testing conducted in December 2001.

NYC-WTC_000090082 – NYC-WTC_000090090

Laboratory summary of pesticide concentrations for sample AD27189, showing surrogate recovery metrics in December 2001.

NYC-WTC_000090091 – NYC-WTC_000090094

Analysis results for sample AD27189 showing pesticide residues with Toxaphene detected at 3.7 ug/l and most other compounds below detection limits.

NYC-WTC_000090095 – NYC-WTC_000090098

Laboratory report listing analytical results for pesticides and PCBs in sample AD27189 from November to December 2001.

NYC-WTC_000090099 – NYC-WTC_000090107

Laboratory report listing analytical results for pesticides and PCBs in sample AD27190 from November to December 2001.

NYC-WTC_000090108 – NYC-WTC_000090111

Laboratory report listing analytical results for pesticides and PCBs in sample AD27190 from November to December 2001.

NYC-WTC_000090112 – NYC-WTC_000090121

Laboratory report listing analytical results for pesticides and PCBs in sample AD26830 from November to December 2001.

NYC-WTC_000090122 – NYC-WTC_000090130

Laboratory report listing analytical results for pesticides and PCBs in sample AD27117 from November to December 2001.

NYC-WTC_000090131 – NYC-WTC_000090139

Laboratory report listing analytical results for pesticides and PCBs in sample AD27118 from November to December 2001.

NYC-WTC_000090140 – NYC-WTC_000090148

Laboratory report listing analytical results for pesticides and PCBs in sample AD27140 from November to December 2001.

NYC-WTC_000090149 – NYC-WTC_000090157

Laboratory report listing analytical results for pesticides and PCBs in sample AD27141 from November to December 2001.

NYC-WTC_000090158 – NYC-WTC_000090166

Laboratory report listing analytical results for pesticides and PCBs in sample AD27145 from November to December 2001.

NYC-WTC_000090167 – NYC-WTC_000090175

Laboratory report listing analytical results for pesticides and PCBs in sample AD27146 from November to December 2001.

NYC-WTC_000090176 – NYC-WTC_000090184

Laboratory report listing analytical results for pesticides and PCBs in sample AD27191 from November to December 2001.

NYC-WTC_000090185 – NYC-WTC_000090194

Laboratory report listing analytical results for pesticides and PCBs in sample AD27142 from November to December 2001.

NYC-WTC_000090195 – NYC-WTC_000090204

Laboratory report listing analytical results for pesticides and PCBs in sample AD27144 from November to December 2001.