The order the City kept.

NYC-WTC_000089517

Monitoring log or report covering the period from November 27 to December 26, 2001 for the World Trade Center site.

NYC-WTC_000089518

Technical sheet detailing liquid-liquid extractor drip rate requirements and calibration standards for laboratory procedures in late 2001.

NYC-WTC_000089519 – NYC-WTC_000089520

Computer-generated sequence listing samples including pesticides and toxics analyzed under EPA Method 508 in late November and December 2001.

NYC-WTC_000089521 – NYC-WTC_000089522

System log or directory listing showing file paths and instrument configurations for Method 508 data stored on laboratory servers in December 2001.

NYC-WTC_000089523 – NYC-WTC_000089526

Detailed report of instrumental analysis for a laboratory blank sample conducted on December 26, 2001, showing surrogate recovery rates.

NYC-WTC_000089527 – NYC-WTC_000089528

Instrumental analysis report for a reference pesticide sample from December 26, 2001, documenting compound identification and recovery percentages.

NYC-WTC_000089529 – NYC-WTC_000089530

Instrumental analysis report for a reextracted sample from December 27, 2001, documenting compound identification and recovery percentages.

NYC-WTC_000089531 – NYC-WTC_000089532

Computer-generated sequence listing samples including pesticides and toxics analyzed under EPA Method 508 in late November and December 2001.

NYC-WTC_000089533 – NYC-WTC_000089534

System log or directory listing showing file paths and instrument configurations for Method 508 data stored on laboratory servers in December 2001.

NYC-WTC_000089535 – NYC-WTC_000089537

Sample sequence configuration for Site 508 pesticide and polychlorinated biphenyl testing including quality control standards, spike samples, and analytical method assignments…

NYC-WTC_000089538 – NYC-WTC_000089540

Instrumental analysis report for sample 1224END showing endrin compound identification and response values from December 24, 2001.

NYC-WTC_000089541 – NYC-WTC_000089549

Gas chromatography report showing concentrations of multiple pesticides including endrin and heptachlor for sample 508.

NYC-WTC_000089550 – NYC-WTC_000089558

Laboratory report detailing chlordane compound detection levels and surrogate recovery data from December 2001 testing.

NYC-WTC_000089559 – NYC-WTC_000089567

Chemical analysis report listing toxaphene compound concentrations and surrogate recovery metrics from December 2001.

NYC-WTC_000089568 – NYC-WTC_000089571

Final report showing endrin concentration of 13 ug and DDT below detection limit for a December 2001 sample.

NYC-WTC_000089572 – NYC-WTC_000089582

Calibration check data for ten pesticides and PCBs showing response factors within acceptable ranges.

NYC-WTC_000089583 – NYC-WTC_000089589

Duplicate calibration verification results for pesticides and PCBs confirming analytical system performance.

NYC-WTC_000089590 – NYC-WTC_000089596

Report listing all analyzed compounds as below method detection limits with corresponding quantification thresholds.

NYC-WTC_000089597 – NYC-WTC_000089603

Final analytical data showing specific concentrations for propachlor, lindane, and other pesticides in micrograms.

NYC-WTC_000089604 – NYC-WTC_000089607

Detailed concentration data for multiple pesticides including propachlor and chlordane with surrogate recovery values.

NYC-WTC_000089608 – NYC-WTC_000089611

Analytical report listing concentrations for various pesticides and PCBs with surrogate recovery metrics.

NYC-WTC_000089612 – NYC-WTC_000089615

Report showing chlordane detected at 3.2 ug while other pesticides were below detection limits.

NYC-WTC_000089616 – NYC-WTC_000089619

Analytical data indicating toxaphene detected at 5.1 ug with other compounds below detection limits.

NYC-WTC_000089620 – NYC-WTC_000089623

Summary report listing all analyzed pesticides and PCBs as below method detection limits.

NYC-WTC_000089624 – NYC-WTC_000089632

Laboratory report showing all tested pesticides and PCBs were below detection limits for this sample.

NYC-WTC_000089633 – NYC-WTC_000089639

Analytical data report indicating all analyzed compounds were below method detection limits.

NYC-WTC_000089640 – NYC-WTC_000089648

Report listing pesticide and PCB concentrations with most values below detection limits.

NYC-WTC_000089649 – NYC-WTC_000089657

Report listing pesticide and PCB concentrations with most values below detection limits.

NYC-WTC_000089658 – NYC-WTC_000089664

Reanalysis of sample AD27773 for organochlorine pesticides and DDT compounds, completed December 26, 2001, with chlordane detected at 3.2 micrograms.

NYC-WTC_000089665 – NYC-WTC_000089668

Laboratory report detailing pesticide and PCB concentrations in environmental sample AD27773 analyzed between November and December 2001.

NYC-WTC_000089669 – NYC-WTC_000089672

Laboratory report detailing pesticide and PCB concentrations in environmental sample AD27773 analyzed between November and December 2001.

NYC-WTC_000089673 – NYC-WTC_000089676

Lab report showing pesticide and PCB concentrations for sample AD27817 analyzed between November and December 2001.

NYC-WTC_000089677 – NYC-WTC_000089680

Laboratory report detailing pesticide and PCB concentrations in environmental sample AD27817 analyzed between November and December 2001.

NYC-WTC_000089681 – NYC-WTC_000089689

Laboratory report detailing pesticide and PCB concentrations in environmental sample AD27817 analyzed between November and December 2001.

NYC-WTC_000089690 – NYC-WTC_000089698

Lab report showing pesticide and PCB concentrations for sample AD27819 analyzed between November and December 2001.

NYC-WTC_000089699 – NYC-WTC_000089707

Lab report showing pesticide and PCB concentrations for sample AD27831 analyzed between November and December 2001.