The order the City kept.

NYC-WTC_000043745

Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 25 and May 7, 2002.

NYC-WTC_000043746 – NYC-WTC_000043748

Fragmented page containing Method 508 headers and partial text from a DEP laboratory record dated April 2002.

NYC-WTC_000043749 – NYC-WTC_000043755

Laboratory report documenting a method blank analysis for GC/MS testing of volatile organic compounds from May 2002.

NYC-WTC_000043756 – NYC-WTC_000043759

Calibration data report for sample AE09684 listing response factors and concentrations for target analytes in May 2002.

NYC-WTC_000043760 – NYC-WTC_000043764

Reference gas chromatography-mass spectrometry analysis with manual result entry for sample AE09684, detecting multiple organic contaminants.

NYC-WTC_000043765 – NYC-WTC_000043767

Calibration data for GC/MS analysis of surrogate compounds including dichlorobenzenes and naphthalene from May 2002.

NYC-WTC_000043768 – NYC-WTC_000043778

Analytical report for sample AE09684 documenting GC/MS analysis of unknown compounds and surrogate recovery data from May 2002.

NYC-WTC_000043779 – NYC-WTC_000043791

Analytical report for sample AE09767 documenting GC/MS analysis of unknown compounds and surrogate recovery data from May 2002.

NYC-WTC_000043792 – NYC-WTC_000043805

Analytical report for sample AE09768 documenting GC/MS analysis of unknown compounds and surrogate recovery data from May 2002.

NYC-WTC_000043806 – NYC-WTC_000043818

Analytical report for sample AE09769 documenting GC/MS analysis of unknown compounds and surrogate recovery data from May 2002.

NYC-WTC_000043819

Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 25 and May 7, 2002.

NYC-WTC_000043820 – NYC-WTC_000043823

Fragmented page containing Method 508 headers and partial text from a DEP laboratory record dated April 2002.

NYC-WTC_000043824 – NYC-WTC_000043831

Laboratory report documenting a method blank analysis for GC/MS testing of volatile organic compounds from May 2002.

NYC-WTC_000043832 – NYC-WTC_000043835

Calibration data report for sample AE09681 listing response factors and concentrations for target analytes in May 2002.

NYC-WTC_000043836 – NYC-WTC_000043843

Reference gas chromatography-mass spectrometry analysis with manual result entry for sample AE09681, detecting multiple organic contaminants.

NYC-WTC_000043844 – NYC-WTC_000043852

Laboratory report for sample AE09681 showing surrogate recovery and unknown compounds from May 17, 2002.

NYC-WTC_000043853 – NYC-WTC_000043862

Laboratory report for sample AE08016 showing unknown compounds and surrogate data from May 17, 2002.

NYC-WTC_000043863

Single-page administrative log from DEP Box 25 covering GCMS X analyses dated between April 25 and May 7, 2002.

NYC-WTC_000043864 – NYC-WTC_000043868

Fragmented page containing a document identifier and partial text from a GCMS analysis record dated May 2002.

NYC-WTC_000043869 – NYC-WTC_000043880

Laboratory blank report for sample AE09771 showing non-detectable levels of target compounds from May 8, 2002.

NYC-WTC_000043881 – NYC-WTC_000043884

Calibration data report for sample AE09771 listing response factors and concentrations from May 8, 2002.

NYC-WTC_000043885 – NYC-WTC_000043892

Reference analysis report for sample AE09771 confirming expected concentrations of target compounds from May 8, 2002.

NYC-WTC_000043893 – NYC-WTC_000043918

Laboratory report for sample AE09771 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000043919 – NYC-WTC_000043937

Laboratory report for sample AE09967 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000043938 – NYC-WTC_000043957

Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.

NYC-WTC_000043958 – NYC-WTC_000043975

Laboratory report for sample AE09969 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000043976 – NYC-WTC_000044000

Laboratory report for sample AE09970 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044001 – NYC-WTC_000044024

Laboratory report for sample AE09972 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044025 – NYC-WTC_000044054

Laboratory report for sample AE09973 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044055 – NYC-WTC_000044070

Laboratory report for sample AE09974 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044071 – NYC-WTC_000044093

Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044094 – NYC-WTC_000044097

Calibration record listing response values for standard compounds including naphthalene and dichlorobenzenes from May 6-7, 2002.