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TABLE I. SUMMARY OF ANALYTICAL RESULTS <br /> Interquartile <br /> Average Std. Dev. Minimum Maximum Median Range <br /> Biochemical Oxygen Demand (mg/L) <br /> Influent (BODS) 200 66 100 560 200 160 - 240 <br /> Effluent (CBOD5) 9 11 <2 48 3 2- 11 <br /> Total Suspended Solids (mg/L) <br /> Influent 180 44 70 430 180 150 - 190 <br /> Effluent 10 8 <2 57 7 4 - 15 <br /> pH <br /> Influent - - 6.4 8.2 7.1 6.9 - 7.2 <br /> Effluent - - 6.0 6.8 6.4 6.2 - 6.5 <br /> Temperature (°C) <br /> Influent 16 5 7 22 18 10 - 20 <br /> Effluent 15 6 5 23 17 8 - 21 <br /> Dissolved Oxygen (mg/L) <br /> Effluent 3.7 2.7 0.2 9.6 2.9 1.4 -6.0 <br /> Alkalinity (mg/L) <br /> Influent 200 53 120 410 195 160 - 220 <br /> Effluent 210 43 140 290 220 170 - 240 <br /> Total Kjeldahl Nitrogen <br /> Influent 35 7 25 57 34 31 — 39 <br /> Effluent 8 4 3.5 20 7.3 5 - 12 <br /> Ammonia-N <br /> Influent 31 5 21 45 30 27 - 34 <br /> Effluent 8 4 2.6 18 6.5 4 - 10 <br /> Nitrite/nitrate-N (mg/L) <br /> Influent 0.3 0.4 0.1 2.1 0.2 0.15 - 0.16 <br /> Effluent 6.9 6.4 0.2 17 3.9 0.2 - 14 <br /> Total Nitrogen <br /> Influent 35 6.5 26 57 34 31 - 39 <br /> Effluent 15 4.6 7.8 23 14 11 - 20 <br /> Notes: The median is the point where half of the values are greater and half are less. <br /> The interquartile range is the range of values about the median between the upper and lower <br /> 25 percent of all values. <br /> 15/10/055/0030 This report may not be reproduced in whole or in part Page 10 of 64 <br /> Final Nitrogen Report without the expressed written consent of NSF International June 2019 <br />