NYC-WTC_000208885

NYC 9/11 Public Portal Document

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Tel; 856-489-4455 P & K Microbiology Services, Inc. Fax; 3356-489-4085

The Environmental Microbiology and Mycology SpecialKK Email: [email protected] 7 Allison Drive, Cherry Hill, New Jersey 08003 Website: www.ertvirocerter.com

Client; ATC Associates, lnc.-New York, Maw York, NY 10010 Project XD; 15-22634-0002 Date Sampled; July 11,2002 ' Samples Submitted By. Wagdt Date Characterization Completed: July 18,2002 P&K Report No.: 020712-039

B Air-O-Ccil cassette Samples

P&K Sample ID Air vol. MF Counts of Fungal Pungal Siruciiire/m’ Presumptive Fangal ID Pefccntage Client Sample ID (L) Structures Location 020712-039-001 ISO.O 3.52 1 27 Alternaria <1% ATC-0711-WTC-S1 132 3,450 Asp./Pen.-lifce 97% N. end of 1 27 Oanoderma <1% Baseaent 2 S3 Stachybonyt 1% Total: 3,SS7 100% 020712-039-002 ISO.O 3.92 20 S23 Asp./Pen.-likc 27% ATC-0711-WTC-S2 1 27 basidiospores 4% S. end 2 columns 1 27 CladospOfium 4% from Pit 1 27 Ganocema 4% Total: 604 100%

020712-039-003 150.0 7S.4 1 523 Alteriiiria <1% Arc-0711-WTC-S3 3,752 1,961,046 .Asp./Ten.-like 100% S. pit fnnt- p3panAfl3 Totti; 1,961,569 100% 020712-039-004 ISO.O 3.92 1 27 Altemarb 2% ATC-a71 1-WTC-S4 51 1,333 ArpJTcn.-like 9S% Outside Safeway Tiamn Total; 1.360 100% 020711-039-1105 150.0 3.92 I 37 ascospores 4% ATC-0711-WTC-SS 5 131 Asp.i'Pen.-like 13% 18 471 CladosporiuTKi 64% Outdoors @ATC 1 27 Curvularia 4% Trailer & Security I 27 Ganoderma 4% Trailer I 27 hyphal fragments 4% 1 27 Stachyholrys 4% Total; 737 100% 020712-039-006 NA 3.92 MA MA Mo Spore detected M.a ATC-071I-WTC-S6 Blank Thu detection limit of fungal analysis u.iing optical microscopy is one ftingal spots or one fungal sirvcnire, Tlio quantitation limits vary from analysis lo analysis and from processing procedure re processing procedure. CoRtacl us to determine your quantitation limits. Percentages may not equal 100% due to

P&K PrejwrtO; 020713-03? Page 1 of2

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