NYC-WTC_000187521

NYC 9/11 Public Portal Document

NYC Emergency Response Air Samples - Modified Method 680 PCB results Sampling Date 11/19/01

Sample No. WG-6312-1P 11541 11542 11543 11544 11545 11546 Sampling Location Method Blank R R A B Loc 3B C Sample Volume (L) 0 7260 7502 7125 7275 7260 7290 Analyte Result MDL Result MDL Result MDL Result MDL Result MDL Result MDL Result MDL ng ng/m^ ng/m’ ng/m^ ng/m^ ng/m^ ng/m^ ng/m’ ng/m’ ng/m’ ng/m^ ng/m^ ng/m^ 209-DeCB U 10.0 U 1.38 U 1.33 U 1.40 U 1.37 U 1.38 U 1.37 Sum of MoCBs U 10.0 u 1.38 U 1.33 U 1.40 U 1.37 U 1.38 U 1.37 Sum of DiCBs U 10.0 u 1.38 U 1.33 U 1.40 U 1.37 u 1.38 u 1.37 Sum of TrCBs U 10.0 u 1.38 U 1.33 U 1.40 U 1.37 u 1.38 u 1.37 Sum of TeCBs U 10.0 u 1.38 U 1.33 U 1.40 U 1.37 u 1.38 u 1.37 Sum of PeCBs U 10.0 u 1.38 U 1.33 u 1.40 U 1.37 u 1.38 u 1.37 Sum of HxCBs U 10.0 u 1.38 U 1.33 u 1.40 U 1.37 u 1.38 u 1.37 Sum of HpCBs U 10.0 u 1.38 U 1.33 u 1.40 U 1.37 u 1.38 u 1.37 Sum of OcCBs U 10.0 u 1.38 U 1.33 u 1.40 U 1.37 u 1.38 u 1.37 Sum of NoCBs U 10.0 u 1.38 U 1.33 u 1.40 U 1.37 u 1.38 u 1.37

Total 0 0 0 0 0 0 0 COC# 04873

Sampling Locations; A; NE corner of West Broadway & Barclay Loc 3:SWsideofWTC5 U: denotes not detected B: SE corner of Church & Dey St. Loc 3A: Between WTC4 and WTC5 MDL: denotes method detection limit C: Trinity (a.k.a. Church) & Liberty Loc 3B: Church & Vesey Cl: SW corner of Broadway & Liberty St. D: East end of Albany St. at Greenwich St. E: Western end of Liberty St. at South End Ave F: Northern median strip of Vesey & West St ERT: 12/17/01 G: Church and Duane St. H: South side of Chase Manhattan Plaza at Pine St. I: SE corner of Wall St. & Broadway J: NE corner of Warren & West St. K: West St. & Albany in median strip o L: On walkway toward North Park rec area (north side of Stuyvesant High), access to TAGA bus area H M: Western end of Harrison St. at West St. (on tree next to bulkhead) K I N: South side of Pier 25 (next to volleyball court) to

s O P: NE corner of South End Ave. & Albany Q: Barclay & West St. (center island) in proximity to USCG command post i-j R: TAGA Bus Location o o S: Rector & South End I o o to

cn to 11-19-01 PCBair co O', o

NYC-WTC_000187521