The order the City kept.

NYC-WTC_000023547

Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.

NYC-WTC_000023548 – NYC-WTC_000023550

Data sheet recording Method 609 extraction parameters including drip rate and pH for a sample dated May 1, 2008.

NYC-WTC_000023551 – NYC-WTC_000023558

Laboratory report showing GC/MS blank analysis for sample AE09683 with non-detect results for volatile organic compounds.

NYC-WTC_000023559 – NYC-WTC_000023562

Laboratory report showing GC/MS calibration data for volatile organic compounds analyzed on May 10, 2002.

NYC-WTC_000023563 – NYC-WTC_000023570

Laboratory report showing GC/MS reference analysis for sample AE09683 with quantitative results for volatile organic compounds.

NYC-WTC_000023571 – NYC-WTC_000023579

Laboratory report page showing GC/MS analysis for sample AE09683 including surrogate recovery data on May 15, 2002.

NYC-WTC_000023580 – NYC-WTC_000023593

Laboratory report page showing GC/MS analysis for sample AE10605 with non-detect results on May 10, 2002.

NYC-WTC_000023594 – NYC-WTC_000023602

Laboratory report page showing GC/MS analysis for sample AE09764 including surrogate recovery data on May 15, 2002.

NYC-WTC_000023603 – NYC-WTC_000023611

Laboratory report page showing GC/MS analysis for sample AE09765 including surrogate recovery data on May 15, 2002.

NYC-WTC_000023612 – NYC-WTC_000023620

Laboratory report page showing GC/MS analysis for sample AE09766 including surrogate recovery data on May 15, 2002.

NYC-WTC_000023621 – NYC-WTC_000023634

Laboratory report page showing GC/MS analysis for sample AE09770 including surrogate recovery data on May 15, 2002.

NYC-WTC_000023635 – NYC-WTC_000023645

Gas chromatography-mass spectrometry analysis of sample AE09398 conducted May 15, 2002, with surrogate 2,4-DDD recovery at 79 percent.