Laserfiche WebLink
r20929E5240 �F'H ENUIRO SRU INC BSS P 5�-- NOV 17 '92 12:22 <br /> 8.4 QUALITY CONTROL <br /> r 8.1 Refer to Qhapt One for specific quality cootrol procedures. <br /> 8.2 The matrix dup rata and matrix spik* samples are brought through <br /> the whole samplo preparatio and ualytical ,'process. <br /> 8.3 The use of corn .oil Is recomended as a reforance sample solution, <br /> 94 METHOD PERFORKANC2' <br /> t-•• 9.1 The two of 1 a grease methods (Mthods 0470 and 907 ,) in this <br /> annual were tested orr sewag by a single 1 aOor•artory+ When I-1 i ter portions of <br /> the sewage were dosed with 1 0 mg of a mixture of No. 2 fuel oil and Wesson oil , <br /> the recoverywas 93%, with �standar°d deviation of j 0.9 mg/L. <br /> 10.0 REFERENCES <br /> 1. Blum, K.A, and N.4- Ta s, "Determination of Emulsifying Oil in -industrial <br /> Wastewratar," JWPCF Research uPP149 4D, R404' (1968). <br /> 2. Standard methods for t Examination of Plater and Wastewater, 14th ad. , <br /> P. 616, Method 502A (1975) . <br /> ' I <br /> i <br /> . I <br /> I <br /> i <br /> 9071A - 5 Ravi$i4n 1 <br /> Nwober 19%. <br /> • oc rc �tti tyrant, �r v7.Wi'41JW W CT .-Al PA, Al A0K <br />