NYC-WTC_000196044

NYC 9/11 Public Portal Document

08/09/2002 13:12 FAX 212 353 8306 ATC ®004 Rug OS 02 11:143 PK Mierobia1 Oga 856 489 4085 p.2

P & K Microbiology Services, Inc. Tel: 856-489-4455 Fax: 856-489-408S The Environmental Microbiology Specialists 7 Allison Drive, Cherry Hill, New Jersey 08003

Client: ATC Associates, lac,, New York, NY Project ID: WTC/DDC Date sampled: July 25, 2002 Date of inoculation; July 26, 2002 Samples submitted By: Wagdi Date characterization completed; August 6, 2002 P&K Report No.: 020726-081

pwigal/. Bacteriaj AMl>Si2'"'(Cu1tar5 Wipe Samples Sample ID Area Medium Dilution Fungal'/ Bacterial ID Colony "Conc. •* r Percentage* (inch2) used factor counts (CFU ■/ in2) (%) Fungi 0725-WTC.Wl 1 MBA lOOX Actemonium strictum 37 3.700. 76 Pcnicillium II 1,100 22 Trichoderma koningii 1 100 2 Total: 4.900 Bacteria T5A 16400X Bacillus 8 131,200 3 gram negative bacteria and others 236 ,3,870,400 97 Total: 4.001,600 Fungi 0725-\^TC-\V2 I mea lOOX Pcnicillium 7 700 70 I Trichodenna koningii 3 300 30 Total: 1,000 Bacteria TSA , 16400X gram negative bacteria and others 278 4,559,200, 100 Teal; 4,559,200 Fungi 0725-WTC-W3 1 MEA lOOX Acremonium strictum 28 2,800 27 Aspergillus versicolor 5 500 5 Cladosporium 9 900 9 Pcnicillium 56 5,600 55 Rhodotorula 4 400 4 Tout; 10,200 Bacteria TSA 1S400X Bacillus 2 32,800 < 1 gram negative bacteria and others 297 4,870,800 98 Staphylococcus 4 65,600 1 Total: 4.569,200 Fungi 0725-WTC.W4 1 MEA lOOX Pcnicillium 7 700 64 Trichoderma koningii 4 400, 36 Total; 1.100 Bacteria TSA 1OOX Bacillus 4 400 100 Toial; 400

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NYC-WTC_000196044