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MEA40RANDUM <br /> ^ Date: March 12, 199; <br /> To: Melody L. Allen, Project Manager <br /> —. From: Robert Salisbury, Staff Chemist <br /> Subj: Dafa ValidaGon Review <br /> __ VOC Soil Da4 <br /> City of fiverott proposad No�_��View Park, 03352-021-005 <br /> 'Iba data validation review of 5 soi! samples collected on Febcuary 2, 1993, has beea compluad. 'ILa <br /> - samples were andymd for volatileorganic compounds(VOCs)by D&M LeboraWries(D&M)located in Petaluma, <br /> &uatin Solid Wu��P��ed using BPA Muhad 87A0 in xxordance witi�SW-846 (Test Methods for <br /> g . September, 1986). Summaries of the sample data aod laboratory QC data wero provided <br /> bY D&iv1. The following s�mples a��iated with Ia6onWry�a��(or accession number) 930258: <br /> a le u D&M Number <br /> TP-IA-1 34782 <br /> TP-1B-2 34785 <br /> TP-3A-1 34786 <br /> —. TP-3B-1 34788 <br /> _ TP-3G2 3479] <br /> '-' desc�dbed in SW-846 and in Nie EPA daMcumentf�Nrat o al F oc�tional Guid lin'es for�Orsanic Daa'Rev lew'AJun <br /> ,,,,, 1991. <br /> ,-. 1. Holding Time - Acceptable <br /> "' 2. Blanks - Acceptable <br /> � � 3. Surrogate Rxovery - Acceptable <br /> ��. <br /> 4. Matrix Spike/Matriz Spike Duplicate(MS/MSD) - Acceptable <br /> �. <br /> ,_, 5. Reported Deteetion Limits- Acceptable <br /> , G• Type of Data Validatioo Review-Summary <br /> —' 7. Ovenll Assessmeat of Data <br /> Tha usafulness of the data is base�l on the EPA guidence documents ��sted above. Upon consideration of <br /> _ tha informrtion presented above, the data are acceptable except where fle86ec1 with data qualifiers that modify the <br /> usefulness of the individual values. <br />