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SOP TO-14A/15 <br /> Rev 4 <br /> December 2007 <br /> ' Information Management System OR simply by close observance of their instrument data. In <br /> either case a compounds will be deemed to have exceeded the random nature of the marginal <br /> exceedance when its frequency of exceedance becomes more than twice that of the next most <br /> ' frequent compounds exceedance. That compound will then be deemed out of control and <br /> corrective action must be taken or qualifying flags attached to the data. <br /> ' Surrogates <br /> ' 4-Bromofluorobenzene 80 - 120 NA <br /> Toluene-d8 <br /> 1,2-Dichloroethane-d4 <br /> ' Samples whese where more than 1 surrogate exceed the limits are re-analyzed one time. <br /> ' 17.0 References <br /> ' Compendium of Methods for the Determination of Toxic Oreanic Compounds in Ambient Air <br /> Second Edition, Compendium Method TO-15, Determination of Volatile Oreanic Compounds <br /> (VOCs) in Air Collected in Specially-Prepared Canisters and Analyzed by Gas <br /> Chromatography/Mass Spectromtery, Center for Environmental Research Information office of <br /> ' Research and Development U.S.E.P.A Cincinnati3OH, January 1999 <br /> Quality Systems Manual, H&P, Inc. most recent version <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> Page 24 of 24 <br /> 1 <br />