NYC-WTC_000220264

NYC 9/11 Public Portal Document

m Galson Laboratories LABORATORY ANALYSIS REPORT

Client : P.T.& L. Environmental Services Site : World Trade Center #5, 6, 7 6601 Kirkville Road Project No. : PC17781 E. Syracuse. NY 13057-0369 Phone: (315) 432-5227 Date Sampled : 19-OCT-Ol - 22-OCT-Ol Account No.: 11583 Fax:(315)437-0571 Date Received : 23-OCT-Ol Login No. : L75885 www.galsonlabs.com Date Analyzed : 25-OCT-Ol

Polychlorinated Biphenyls

Air Vol Front Back Total Cone Samole ID Lab ID liter ug ua ug mg/m3

1147 L75885-1 240 <0.05 <0.05 <0.05 <0.0002 1148 L75885-2 225 <0.05 <0.05 <0.05 <0.0002 1066 L75885-3 240 <0.05 <0.05 <0.05 <0.0002 1067 L758a5-4 225 <0.05 <0.05 <0.05 <0.0002 1068 L758a5-5 240 <0.05 <0.05 <0.05 <0.0002 1101 L75885-6 258 <0.05 <0.05 <0.05 <0.0002 1102 L75885-7 258 <0.05 <0.05 <0.05 <0.0002 1081 L75885-8 225 <0-05 <0.05 <0.05 <0.0002 1082 175885-9 227 <0.05 <0.05 <0.05 <0.0002 1123 L758a5-10 48 <0.05 <0.05 <0.05 <0.001 1124 L75885-11 49 <0.05 <0.05 <0.05 <0.001 1125 FIELD BLANK L75885-12 NA <0.05 <0.05 <0.05 NA 1126 FIELD BLANK L75885-13 NA <0.05 <0.05 <0.05 NA 1079 L75885-14 223 <0.05 <0.05 <0.05 <0.0002 1080 L75885-15 224 <0.05 <0.05 <0.05 <0.0002 1084 L75885-16 240 <0.05 <0.05 <0.05 <0.0002 1085 175885-17 240 <0.05 <0.05 <0.05 <0.0002

COMMENTS; Total ug corrected for a desorption efficiency of 100%.

Level of quantitation: 0.05 ug Submitted by: cmh Analytical Method : NIOSH 5503 Approved by : dkf OSHA PEL (TWA) : 1 mg/m3 Date : 2^ LT-pi Collection Media : Florisil 2C by: 5 NYS DOH 1626

< -Less Than mg -Milligrams m3 -Cubic Meters kg -Kilograms > -Greater Than ug -Micrograms 1 -Liters NS -Not Specified -Not Applicable ND -Not Detected ppm -Parts per Million

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CITY_21MC100_002839221

NYC-WTC_000220265