The order the City kept.

NYC-WTC_000065233

Administrative index page from DEP Box 59 containing records related to World Trade Center environmental monitoring.

NYC-WTC_000065234 – NYC-WTC_000065235

System-generated query log for Selenium samples collected in late October 2001.

NYC-WTC_000065236 – NYC-WTC_000065238

Raw analytical data output from laboratory instruments processing environmental samples.

NYC-WTC_000065239 – NYC-WTC_000065256

List of sample statuses and collection timestamps for Selenium analysis queries in November 2001.

NYC-WTC_000065257 – NYC-WTC_000065268

Laboratory report listing sample IDs and QC data for selenium analysis of World Trade Center environmental samples dated September 21, 2001.

NYC-WTC_000065269 – NYC-WTC_000065279

Laboratory report listing sample IDs and QC data for selenium analysis of World Trade Center environmental samples dated September 25, 2001.

NYC-WTC_000065280 – NYC-WTC_000065290

Laboratory report detailing quality control checks and sample IDs for a Selenium batch analyzed on September 17, 2001.

NYC-WTC_000065291 – NYC-WTC_000065317

Laboratory report listing sample IDs and QC data for selenium analysis of World Trade Center environmental samples dated October 1, 2001.

NYC-WTC_000065318 – NYC-WTC_000065328

Summary of pending Selenium analyses including collection dates and assigned due dates for various sample types.

NYC-WTC_000065329 – NYC-WTC_000065343

Laboratory report listing sample IDs and quality control status for selenium analysis conducted on October 5, 2001.

NYC-WTC_000065344 – NYC-WTC_000065354

Detailed instrument readings and concentration calculations for Selenium samples analyzed on October 3, 2001.

NYC-WTC_000065355 – NYC-WTC_000065364

Laboratory report listing sample IDs and QC data for selenium analysis of World Trade Center environmental samples dated October 12, 2001.