NYC-WTC_000232046

NYC 9/11 Public Portal Document

I TOC Field Sample No. | Sample No. f Sampling Location I Collection Start Date [ Sample Volume (m^) | Analyte | Analytical Method | Lab | Lab Sample Receipt Date Mercury (Total) Concentration (ng/m3) Exceeds Target Exceeds EPA Air Quality Site Specific Comments Levels Trigger Levels TulalHa-CT13;^11/06 06BR0363-08MarrioUHoteh^^ 0.53 Mercury ; EPA 324/1631 3/14/06 No TotaIHg-ST 14-3/11 /06 06B R0363-09 WeS Face - South end at corner (scaffolding level) I otalHg-S I 15-3/11 /06 06BR0363-1 OSouth Face - tad end at corner (scaffolding level) s 0.57 0.58 Mercury; Mercury. EPA 324/1631 EPA 324/1631 No No

I ■ 3 I TotaIHg-ST 16-3/11/06 06BR0363-11 East Face - North end at comer (scaffolding level) 0.58 Mercury: EPA 324/1631 3/14/06 No ;TotalHg-STj.7;3/1J,/O6,,O6BRO363;12NorthFace;Wedend 0.57 Mercury '■ EPA 324/1631 No ;TotalHg-ST 1:3/12/06....... 06BRO364;PJ.Southwesl Aiea ..................... 6.57 Mercury; EPA324/i63i ’No....... T.ntAiHg-ST 2-3/1 2/06....... 06RR03M;p2Sputheast ..................... 0 57 MPrru,,: FPA 324^631 ■ssr <■

No TotaIHg-ST4:3/1 2/06....... 06BR0364-03Northwed Area ......................................... 6.5’5 Mercur/: EPA 324/i63i ’No....... TotaIHg-ST5-3/1 2/06 06BR0364-04 Firehouse #10 (roof level) TotalHg-Sfi0-37l2;66’"06Bn6’364-05Notth Side’s^ ........................................ 6’.57 6.5’5 Mercury : EPA321/i63i ERA 324/i63i .3'11/0.6 ’No....... ’No....... = Msrcur/J 3/14/06

I T«S-STj'i;3/A2^6"06BTO3M-p69pTiinii^^^^ 3/'.2'O6 0.56 Mb.cu,,: EPA 324/1631 :BF.L ....... ’No........

i ib T.otalHg-ST 12-3/12/06 06BR0364-07;i 10 Greenwich Street (roof level)................................ 0.58 Murcur/: EPA'324/163i' No ;lotalHg-SI ,13-3/12^6. .06BR0364-08MarTiott Hotel, 38th Hoot (root level)......................... 0.59 Mercur/: EPA'324/1631' No TotalHg-ST14-3/12/06,,06BR0364-09WedFace,-,Southendatcorner(s:a 0.60 Msicur/: EPA'324/1631' No TotaIHg-ST 15-3/12/06.. 06BRp364-1 OSputh Face - East end at corner (scaffolding level). 0.60 Mercury: EPA'324/1631' ‘sw- .3'14/06 No EPA'324/163i' iBOL TotaIHg-ST 16-3/12/06 06BR0364-11 (East Face - North end at comer (scaffolding level) 0.59 Mercury: No TntalHg-ST 17-3/12/06 ORR Rn364--2 McrtF Face - West end at corner (scaffolding level) n 60 Mercrrry : FPA 324/1631 : RRI No No

Note 1. Meicuiy sample was not available for analysis at Station 1 0 (Noith Side [sidewalk bridge level]) on March 7, 2006, on account of pump failure.

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NYC-WTC_000232048