The order the City kept.

NYC-WTC_000063024

Administrative record for a World Trade Center environmental sample collected in mid-September 2001.

NYC-WTC_000063025 – NYC-WTC_000063028

Lab worksheet from September 2001 for extracted material, capturing test parameters and measured conditions during analysis.

NYC-WTC_000063029 – NYC-WTC_000063041

Record of water sample extraction parameters including drip rate and pH for DEP environmental testing.

NYC-WTC_000063042 – NYC-WTC_000063049

Chemical analysis log listing calibration standards and concentrations for pesticide testing procedures.

NYC-WTC_000063050 – NYC-WTC_000063053

Quality control record of laboratory blank analysis showing non-detect levels for various pesticides.

NYC-WTC_000063054 – NYC-WTC_000063059

Technical report documenting method detection limits and measured values for pesticide analysis components.

NYC-WTC_000063060 – NYC-WTC_000063064

Laboratory log of reference standard measurements used to verify accuracy of pesticide testing results.

NYC-WTC_000063065 – NYC-WTC_000063069

Analytical report listing detected pesticides and concentrations below method detection limits for sample AD22358.

NYC-WTC_000063070 – NYC-WTC_000063074

Laboratory data sheet recording pesticide screening results for sample AD22360 with non-detect findings.

NYC-WTC_000063075 – NYC-WTC_000063079

Form used to document the collection and transfer of water samples for environmental testing.

NYC-WTC_000063080 – NYC-WTC_000063082

Analytical record of pesticide concentrations detected in sample AD22360 during September 2001 testing.

NYC-WTC_000063083 – NYC-WTC_000063086

Analytical record of pesticide concentrations detected in sample AD22360 during September 2001 testing.

NYC-WTC_000063087 – NYC-WTC_000063099

Laboratory quality control log for SLP525 pesticide analysis showing DFTPP pass and TOOT results for sample AD22358.

NYC-WTC_000063100 – NYC-WTC_000063107

Laboratory report displaying pesticide analysis outcomes and quality control pass status for sample AD22358.

NYC-WTC_000063108 – NYC-WTC_000063111

Laboratory report showing pesticide detection results and non-detect levels for a lab blank associated with sample AD22358.

NYC-WTC_000063112 – NYC-WTC_000063117

Laboratory report listing method detection limits and measured concentrations for pesticide components in sample AD22358.

NYC-WTC_000063118 – NYC-WTC_000063122

Laboratory report displaying reference standard measurements verifying accuracy of pesticide testing for sample AD22358.

NYC-WTC_000063123 – NYC-WTC_000063128

Analytical report listing pesticide concentrations and non-detect findings for sample AD22470 from September 2001.

NYC-WTC_000063129 – NYC-WTC_000063134

Analytical report listing pesticide concentrations and non-detect findings for sample AD22471 from September 2001.

NYC-WTC_000063135 – NYC-WTC_000063139

Laboratory data sheet recording pesticide screening results for sample AD22472 with various detection levels.

NYC-WTC_000063140 – NYC-WTC_000063142

Chain of custody documentation for submitting water samples to a certified laboratory for analysis.