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YES TEST FOR OUTLIERS: NO <br /> I --d OUTLIERS PRESENT? I <br /> TEST FOR NORMALITY. NO TEST FOR NORMALITY: <br /> NORMAL DISTRIBUTION? NORMAL STRIBUTION? <br /> IYES <br /> REMOVE OUTLIER-fl TRANS.FORM DATA NO YES <br /> U <br /> YES USE NOPARAMETRIC <br /> PROCEDURE F <br /> DETERMINE PERCENTAGE <br /> OF RESULTS(P)ABOVE THE <br /> DETECTION LIMIT(DL)AND <br /> E <br /> THE NUMBER OF RESULTS <br /> (N)THAT ARE GREATER <br /> THAN THE DL. <br /> L <br /> P 2485% 50%- P<85% lo%�'P<50% P <10% <br /> N?-:3 N=>3 0 N?_s 0 <br /> 0 <br /> 0 <br /> rYES ES PYES PERFORM A <br /> QUALITATIVE <br /> PLACE NON DETECTS WITH ADJUST THE MEAN AND INTER-WELL <br /> /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 T!] <br /> OF PROPORTIONS <br /> DO VALUES IN THE PROPORTION OF DETECTS <br /> DETECTION WELL EXCEED IN DETECTION MONITORING <br /> THE TOLERANCE LIMIT? WELL EXCEED <br /> NO PROPORTION IN <br /> YES BACKGROUND WELL <br /> I SIGNIFICANTLY? <br /> NO STATISTICAL EVIDENCE] <br /> OF CONTAMINATION YES <br /> STATISTICALLY <br /> SIGNIFICANT EVIDENCE OF <br /> CONTAMINATION I . <br /> FIGURE D-1 <br /> SCHEMATIC OF STATISTICAL <br /> ANALYSIS PROCEDURES <br /> CITY OF STOCKTON <br /> FIG 1. 71 CH2MHILL.. <br />