The order the City kept.

NYC-WTC_000060435

Environmental Protection Department record from the World Trade Center site dated March 2002.

NYC-WTC_000060436 – NYC-WTC_000060437

Document page from DEP Box 57 showing water quality parameters including drip rate and pH.

NYC-WTC_000060438 – NYC-WTC_000060445

Laboratory report showing GC/MS blank analysis for Method 508 compounds with non-detectable levels.

NYC-WTC_000060446 – NYC-WTC_000060449

DEP laboratory report of GCMS blank analysis for sample AE06633 conducted on April 17, 2002.

NYC-WTC_000060450 – NYC-WTC_000060457

DEP laboratory report of GCMS reference analysis for sample AE06633 conducted on April 17, 2002.

NYC-WTC_000060458 – NYC-WTC_000060467

DEP laboratory report of GCMS analysis for sample AE06633 conducted on April 18, 2002.

NYC-WTC_000060468 – NYC-WTC_000060477

DEP laboratory report of GCMS analysis for sample AE06634 conducted on April 18, 2002.

NYC-WTC_000060478 – NYC-WTC_000060494

DEP laboratory report of GCMS analysis for sample AE06635 conducted on April 18, 2002.

NYC-WTC_000060495 – NYC-WTC_000060503

DEP laboratory report of GCMS analysis for sample AE06636 conducted on April 18, 2002.

NYC-WTC_000060504 – NYC-WTC_000060512

DEP laboratory report of GCMS analysis for sample AE06637 conducted on April 18, 2002.

NYC-WTC_000060513 – NYC-WTC_000060521

GCMS analysis results for sample AE06755 completed April 18, 2002, showing 87% surrogate compound recovery and 5.0 microgram detection limit.

NYC-WTC_000060522 – NYC-WTC_000060532

DEP laboratory report of GCMS analysis for sample AE06756 conducted on April 18, 2002.

NYC-WTC_000060533 – NYC-WTC_000060541

DEP laboratory report of GCMS analysis for sample AE06757 conducted on April 18, 2002.

NYC-WTC_000060542 – NYC-WTC_000060551

DEP laboratory report of GCMS analysis for sample AE06758 conducted on April 18, 2002.

NYC-WTC_000060552 – NYC-WTC_000060560

DEP laboratory report of GCMS analysis for sample AE06759 conducted on April 18, 2002.