The order the City kept.

NYC-WTC_000055487

Inspection log or form for site 525 X covering dates in late November and early December 2001.

NYC-WTC_000055488 – NYC-WTC_000055496

Document containing a barcode or identifier for water sample NYC-WTC_000055487 collected at the World Trade Center site.

NYC-WTC_000055497 – NYC-WTC_000055521

Technical log recording water quality parameters including drip rates, pH, and turbidity counts for sample analysis.

NYC-WTC_000055522 – NYC-WTC_000055528

Record of a laboratory calibration verification using DFTPP standard and pesticide analysis for sample AD27678.

NYC-WTC_000055529 – NYC-WTC_000055532

Laboratory data documenting the response of calibration standards for various pesticides and contaminants in sample AD27678.

NYC-WTC_000055533 – NYC-WTC_000055537

Quality control record showing background levels of pesticides and contaminants in a laboratory blank for sample AD27678.

NYC-WTC_000055538 – NYC-WTC_000055542

Laboratory data confirming the accuracy of analytical methods using reference standards for pesticide and contaminant testing.

NYC-WTC_000055543 – NYC-WTC_000055547

Laboratory report listing concentrations of pesticides and contaminants in sample AD27678 with all values below detection limits.

NYC-WTC_000055548 – NYC-WTC_000055552

Quality control data showing recovery rates of spiked pesticides and contaminants in sample AD27678 for method validation.

NYC-WTC_000055553 – NYC-WTC_000055557

Laboratory record of a duplicate spike test to verify precision and accuracy of pesticide analysis for sample AD27678.

NYC-WTC_000055558 – NYC-WTC_000055562

Laboratory report detailing the detection of pesticides and contaminants in water sample AD27569 with all results below limits.

NYC-WTC_000055563 – NYC-WTC_000055567

Laboratory report listing concentrations of pesticides and contaminants in water sample AD27570 with all values below detection limits.

NYC-WTC_000055568 – NYC-WTC_000055571

Laboratory report listing concentrations of pesticides and contaminants in water sample AD27622 with all values below detection limits.

NYC-WTC_000055572 – NYC-WTC_000055576

Laboratory report detailing the detection of pesticides and contaminants in water sample AD27623 with all results below limits.

NYC-WTC_000055577 – NYC-WTC_000055581

Laboratory report listing concentrations of pesticides and contaminants in water sample AD27624 with all values below detection limits.

NYC-WTC_000055582 – NYC-WTC_000055586

Laboratory report detailing the detection of pesticides and contaminants in water sample AD27625 with all results below limits.

NYC-WTC_000055587 – NYC-WTC_000055591

Laboratory report listing concentrations of pesticides and contaminants in water sample AD27626 with all values below detection limits.

NYC-WTC_000055592 – NYC-WTC_000055596

Laboratory report detailing the detection of pesticides and contaminants in water sample AD27627 with all results below limits.

NYC-WTC_000055597 – NYC-WTC_000055601

Laboratory analysis of sample AD27631 for pesticides and organic compounds, tested Nov 23-Dec 8, 2001; all analytes detected below method detection limits.

NYC-WTC_000055602 – NYC-WTC_000055606

Laboratory report listing analytical results for pesticides and organic compounds in water sample AD27631 collected at 525 X.

NYC-WTC_000055607 – NYC-WTC_000055611

Laboratory report listing analytical results for pesticides and organic compounds in water sample AD27632 collected at 525 X.

NYC-WTC_000055612 – NYC-WTC_000055616

Laboratory report listing analytical results for pesticides and organic compounds in water sample AD27764 collected at 525 X.

NYC-WTC_000055617 – NYC-WTC_000055621

Laboratory report listing analytical results for pesticides and organic compounds in water sample AD27765 collected at 525 X.