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YES TEST FOR OUTLIERS: NO <br /> I ---d OUTLIERS PRESENT? I I <br /> TEST FOR NORMALITY: NO TEST FOR NORMALITY. <br /> NORMAL DISTRIBUTION? NORMAL DISTRIBUTION? <br /> IYES <br /> REMOVE OUTLIERS TRANS I FORM DATA NO YES <br /> YES USE NOPARAM-ET-R-17C <br /> PROCEDURE <br /> DETERMINE PERCENTAGE <br /> OF RESULTS(P)ABOVE THE <br /> DETECTION LIMIT(DL)AND <br /> THE NUMBER OF RESULTS <br /> (N)THAT ARE GREATER <br /> THAN THE DL. <br /> P m85% 50% ' P<85% 10%y P<50% P <10% <br /> 1 <br /> N 3 N!-'3 0 0N�-5 <br /> YES S TYES PERFORM A <br /> QUALITATIVE <br /> REPLACE NON DETECTS WITH ADJUST THE MEAN AND INTER-WELL <br /> 1/2*DL AND CALCULATE A STANDARD DEVIATION COMPARISON OF <br /> TOLERANCE LIMIT USING COHEN'S METHOD DATA <br /> AND CALCULATE A <br /> TOLERANCE LIMIT. USE AN INTER-WELL TEST <br /> OF PROPORTIONS <br /> DO VALUES IN THE PROPORTION OF DETECTS <br /> DETECTION WELL EXCEED IN DETECTION MONITORING <br /> THE TOLERANCE LIMIT? I WELL EXCEED <br /> NO PROPORTION IN <br /> BACKGROUND WELL <br /> YES SIGNIFICANTLY? <br /> NO STATISTICAL EVIDENCE <br /> OF CONTAMINATION YES <br /> SIGNIFICANT STATISTICALLY <br /> EVIDENCE F <br /> CONTAMINATION <br /> FIGURE D-1 <br /> SCHEMATIC OF STATISTICAL <br /> ANALYSIS PROCEDURES <br /> CITY OF STOCKTON <br /> FlGD1.FH7 CH2MHILL <br />