DRAFT y =-0.0003x + 3.664 R2= 0.0014 p<0.001

0 2 4 6 8 10 12

0 200 400 600 800 1000 1200 1400 1600 1800DO (mg/L)

COD (mg/L) 

### Figure 1 COD (mg/L) vs. Daily Minimum DO (mg/L) at ECTC02DRAFT y = 0.0025x + 3.6859 R2= 0.0027 p<0.001

0 2 4 6 8 10 12

0 20 40 60 80 100 120 140 160 180 200DO (mg/L)

COD (mg/L) 

### Figure 2 COD less than 200 mg/L vs. Daily Minimum DO (mg/L) at ECTC02DRAFT y = 0.0013x + 2.2144 R2= 0.0309 p=0.1

0 2 4 6 8 10 12

200 400 600 800 1000 1200 1400 1600 1800DO (mg/L)

COD (mg/L) 

### Figure 3 COD greater than 200 mg/L vs. Daily Minimum DO (mg/L) at ECTC02DRAFT y =-0.0007x + 6.0351 R2= 0.0128 p<0.001

0 2 4 6 8 10 12 14

0 200 400 600 800 1000 1200 1400 1600 1800DO (mg/L)

COD (mg/L) 

### Figure 4 COD (mg/L) vs. Average Daily DO (mg/L) at ECTC02DRAFT y =-0.0021x + 6.4973 R2= 0.0026 p<0.001

0 2 4 6 8 10 12

0 20 40 60 80 100 120 140 160 180 200DO (mg/L)

COD (mg/L) 

### Figure 5 COD less than 200 mg/L vs. Average Daily DO (mg/L) at ECTC02DRAFT y = 0.0023x + 3.3358 R2= 0.1233 p=0.005

0 2 4 6 8 10 12

200 400 600 800 1000 1200 1400 1600 1800DO (mg/L)

COD (mg/L) 

### Figure 6 COD greater than 200 mg/L vs. Average Daily DO (mg/L) at ECTC02DateCOD (mg/L)Daily Min DO (mg/L)Daily Average DO (mg/L) 11/29/01 97 5.26 6.51 11/30/01 98 5.36 6.72 12/01/01 375 6.31 7.14 12/02/01 616 6.43 7.43 12/03/01 725 5.83 6.92 12/04/01 285 5.81 6.61 12/05/01 209 4.63 5.92 12/06/01 66 4.46 5.70 01/25/02 827 2.91 5.05 01/26/02 657 5.37 6.50 01/27/02 653 4.51 5.41 01/28/02 169 3.52 4.33 01/29/02 85 2.76 3.98 01/30/02 93 2.14 4.02 02/02/02 32 0.31 2.48 02/03/02 32 0.18 3.34 02/04/02 50 2.86 5.72 03/08/02 531 4.37 5.91 03/09/02 144 1.42 4.09 03/10/02 1640 2.72 5.21 03/11/02 649 0.34 3.37 03/12/02 465 1.07 2.68 03/13/02 468 0.59 2.24 03/14/02 1072 1.87 5.35 03/15/02 1175 2.69 5.53 03/16/02 1240 1.14 4.16 03/29/02 120 3.99 6.69 03/30/02 81 4.35 6.72 03/31/02 140 4.51 7.34 04/01/02 109 7.11 8.69 04/02/02 158 6.60 9.00 04/03/02 51 8.09 10.16 04/04/02 92 7.74 9.62 04/05/02 71 7.44 9.08 04/06/02 76 7.99 8.93 04/07/02 39 3.49 8.94 04/18/02 35 1.77 5.46 04/19/02 20 2.78 5.92 04/20/02 32 3.87 8.23 04/21/02 120 2.84 6.15 04/22/02 238 0.08 4.29 04/23/02 176 0.08 3.37 04/24/02 23 0.08 4.80 04/25/02 41 4.24 7.23 04/27/02 90 3.73 6.69 04/28/02 81 4.23 6.82 04/29/02 18 4.35 6.46 04/30/02 36 3.46 6.38 05/01/02 622 0.42 2.82 05/02/02 298 0.11 1.02 05/03/02 605 0.10 2.1605/04/02 222 0.10 0.20 06/26/02 0.41 5.43 06/27/02 67 0.09 3.23 06/28/02 0.06 1.41 06/29/02 0.14 4.42 06/30/02 0.34 3.24 07/09/02 3.36 5.57 07/10/02 3.18 5.53 07/11/02 4 3.96 5.40 07/12/02 3.47 5.68 07/13/02 3.73 5.89 07/23/02 2.68 5.39 08/08/02 26 5.18 6.23 08/09/02 3.52 5.45 08/10/02 2.83 5.60 08/11/02 2.02 5.50 08/12/02 19 4.48 6.87 08/13/02 3.87 6.47 08/14/02 2.55 5.85 08/15/02 21 1.45 5.00 08/16/02 2.04 5.08 08/23/02 5.27 6.73 08/24/02 2.99 6.23 08/25/02 2.87 6.01 08/26/02 38 2.46 5.42 08/27/02 4.04 5.93 08/28/02 2.01 4.95 09/05/02 2.15 5.63 09/06/02 66 3.24 6.04 09/11/02 5.82 6.93 09/12/02 36 3.94 6.46 09/13/02 6.43 7.58 09/28/02 6.04 7.31 09/29/02 5.23 6.80 09/30/02 4.16 7.51 10/01/02 6.50 8.05 10/02/02 7.19 8.13 10/03/02 7.81 8.42 10/04/02 10 6.42 8.10 10/05/02 7.12 8.60 10/06/02 7.41 8.45 10/07/02 11 5.78 8.31 10/08/02 7.53 8.48 10/09/02 4.65 7.49 10/10/02 2.57 6.72 10/11/02 6.77 7.80 10/12/02 6.06 7.98 10/13/02 2.19 8.11 10/29/02 2.84 9.33 10/30/02 10.69 11.46 10/31/02 1203 11.00 11.64 11/03/02 8.34 9.6011/04/02 5.49 8.70DateCOD (mg/L)Daily Min DO (mg/L) 11/29/01 97 5.26 11/30/01 98 5.36 12/01/01 375 6.31 12/02/01 616 6.43 12/03/01 725 5.83 12/04/01 285 5.81 12/05/01 209 4.63 12/06/01 66 4.46 01/25/02 827 2.91 01/26/02 657 5.37 01/27/02 653 4.51 01/28/02 169 3.52 01/29/02 85 2.76 01/30/02 93 2.14 02/02/02 32 0.31 02/03/02 32 0.18 02/04/02 50 2.86 03/08/02 531 4.37 03/09/02 144 1.42 03/10/02 1640 2.72 03/11/02 649 0.34 03/12/02 465 1.07 03/13/02 468 0.59 03/14/02 1072 1.87 03/15/02 1175 2.69 03/16/02 1240 1.14 03/29/02 120 3.99 03/30/02 81 4.35 03/31/02 140 4.51 04/01/02 109 7.11 04/02/02 158 6.60 04/03/02 51 8.09 04/04/02 92 7.74 04/05/02 71 7.44 04/06/02 76 7.99 04/07/02 39 3.49 04/18/02 35 1.77 04/19/02 20 2.78 04/20/02 32 3.87 04/21/02 120 2.84 04/22/02 238 0.08 04/23/02 176 0.08 04/24/02 23 0.08 04/25/02 41 4.24 04/27/02 90 3.73 04/28/02 81 4.23 04/29/02 18 4.35 04/30/02 36 3.46 05/01/02 622 0.42 05/02/02 298 0.11 05/03/02 605 0.1005/04/02 222 0.10 06/27/02 67 0.09 07/11/02 4 3.96 08/08/02 26 5.18 08/12/02 19 4.48 08/15/02 21 1.45 08/26/02 38 2.46 09/06/02 66 3.24 09/12/02 36 3.94 10/04/02 10 6.42 10/07/02 11 5.78 10/31/02 1203 11.00SUMMARY OUTPUT

Regression Statistics Multiple R 0.03775742 R Square 0.001425623 Adjusted R Square -0.014944449 Standard Error 2.490331393 Observations 63

ANOVA df SS MS Regression 1 0.54009271 0.54009271 Residual 61 378.3067773 6.201750447 Total 62 378.84687

Coefficients Standard Error t Stat Intercept 3.66400987 0.394712542 9.282729772 COD (mg/L) -0.000253738 0.000859821 -0.295105303

RESIDUAL OUTPUT

Observation Predicted Daily Min DO (mg/L) Residuals Standard Residuals 1 3.639397308 1.622802692 0.656960871 2 3.639143571 1.722656429 0.697384761 3 3.568858215 2.739141785 1.108889566 4 3.507707419 2.924792581 1.184046767 5 3.480050005 2.354849995 0.953316328 6 3.591694612 2.218305388 0.898038835 7 3.610978681 1.020421319 0.413098205 8 3.647263178 0.809836822 0.327847067 9 3.454168755-0.549168755 -0.222320548 10 3.497304172 1.872795828 0.758165848 11 3.498319122 1.008580878 0.408304827 12 3.621128191 -0.101928191 -0.041263694 13 3.642442161 -0.886842161 -0.359021218 14 3.640412259-1.499012259 -0.606846664 15 3.655890262 -3.348790262 -1.355694181 16 3.655890262 -3.473290262 -1.406095643 17 3.651322982 -0.796122982 -0.32229528 18 3.529275127 0.836524873 0.338651218 19 3.627471634-2.208171634 -0.893936378 20 3.247879969-0.525479969 -0.212730592 21 3.499334073-3.159034073 -1.27887499 22 3.546021818-2.475321818 -1.002087059 23 3.545260605-2.955960605 -1.19666455 24 3.392003008-1.524503008 -0.617166109 25 3.36586802 -0.67666802 -0.273936205 26 3.349375067-2.212275067 -0.895597574 27 3.63356134 0.35873866 0.14522853828 3.643457112 0.705742888 0.285706614 29 3.628486585 0.878413415 0.355609 30 3.636352455 3.476747545 1.407495259 31 3.623919306 2.974580694 1.20420254 32 3.651069245 4.43525521 1.795528895 33 3.640665997 4.096358515 1.658333001 34 3.64599449 3.795264763 1.53644091 35 3.644725801 4.346788669 1.759714895 36 3.654114098-0.168114098 -0.068057802 37 3.655129049-1.885129049 -0.763158718 38 3.658935115-0.878935115 -0.3558202 39 3.655890262 0.214109738 0.086678264 40 3.63356134 -0.79356134 -0.321258248 41 3.603620286-3.523620286 -1.426470799 42 3.619352027-3.539352027 -1.432839495 43 3.658173901 -3.578173901 -1.448555794 44 3.653606622 0.586393378 0.23739023 45 3.641173473 0.088826527 0.035959734 46 3.643457112 0.586542888 0.237450756 47 3.65944259 0.69055741 0.279559061 48 3.654875311 -0.194875311 -0.078891571 49 3.506184993-3.086184993 -1.249383422 50 3.588396022 -3.478396022 -1.408162613 51 3.510498534-3.410498534 -1.380675604 52 3.60768009 -3.50768009 -1.420017713 53 3.647009441 -3.557009441 -1.439987764 54 3.662994919 0.297005081 0.12023687 55 3.657412688 1.522587312 0.616390576 56 3.659188852 0.820811148 0.332289815 57 3.658681377-2.208681377 -0.894142737 58 3.654367835 -1.194367835 -0.48351715 59 3.647263178-0.407263178 -0.164872768 60 3.654875311 0.285124689 0.115427319 61 3.661472492 2.758527508 1.116737508 62 3.661218754 2.118781246 0.857748375 63 3.358763363 7.636545791 3.09151063F Significance F 0.08708714 0.768915539

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 2.83876E-13 2.874733139 4.45328662.874733139 4.4532866 0.768915539 -0.001973057 0.001465581-0.0019730570.001465581

PROBABILITY OUTPUT

Percentile Daily Min DO (mg/L) 0.793650794 0.08 2.380952381 0.08 3.968253968 0.08 5.555555556 0.09 7.142857143 0.1

8.73015873 0.1 10.31746032 0.11

11.9047619 0.1826 13.49206349 0.3071 15.07936508 0.3403 16.66666667 0.42 18.25396825 0.5893 19.84126984 1.0707 21.42857143 1.1371 23.01587302 1.4193

24.6031746 1.45 26.19047619 1.77 27.77777778 1.8675 29.36507937 2.1414 30.95238095 2.46 32.53968254 2.6892 34.12698413 2.7224 35.71428571 2.7556

37.3015873 2.78 38.88888889 2.84 40.47619048 2.8552 42.06349206 2.90543.65079365 3.24 45.23809524 3.46 46.82539683 3.486 48.41269841 3.5192 50 3.73 51.58730159 3.87 53.17460317 3.94 54.76190476 3.96 56.34920635 3.9923 57.93650794 4.23 59.52380952 4.24 61.11111111 4.3492

62.6984127 4.35 64.28571429 4.3658 65.87301587 4.4571 67.46031746 4.48 69.04761905 4.5069 70.63492063 4.5069 72.22222222 4.6314 73.80952381 5.18

75.3968254 5.2622 76.98412698 5.3618 78.57142857 5.3701 80.15873016 5.78 81.74603175 5.81 83.33333333 5.8349 84.92063492 6.308 86.50793651 6.42

88.0952381 6.4325 89.68253968 6.5985 91.26984127 7.1131 92.85714286 7.441259253 94.44444444 7.737024512 96.03174603 7.99151447 97.61904762 8.086324454 99.20634921 10.99530915-5 0 5 10

0 500 1000 1500 2000Residuals

COD (mg/L) 

### COD (mg/L) Residual Plot

0.00 5.00 10.00 15.00

0 1000 2000Daily Min DO(mg/L)

COD (mg/L) 

### COD (mg/L) Line Fit Plot

Daily Min DO (mg/L) Predicted Daily Min DO (mg/L)

0 5 10 15

0 50 100 150Daily Min DO(mg/L)

Sample Percentile 

### Normal Probability PlotDateCOD (mg/L)Daily Min DO (mg/L) 11/29/01 97 5.26 11/30/01 98 5.36 12/06/01 66 4.46 01/28/02 169 3.52 01/29/02 85 2.76 01/30/02 93 2.14 02/02/02 32 0.31 02/03/02 32 0.18 02/04/02 50 2.86 03/09/02 144 1.42 03/29/02 120 3.99 03/30/02 81 4.35 03/31/02 140 4.51 04/01/02 109 7.11 04/02/02 158 6.60 04/03/02 51 8.09 04/04/02 92 7.74 04/05/02 71 7.44 04/06/02 76 7.99 04/07/02 39 3.49 04/18/02 35 1.77 04/19/02 20 2.78 04/20/02 32 3.87 04/21/02 120 2.84 04/23/02 176 0.08 04/24/02 23 0.08 04/25/02 41 4.24 04/27/02 90 3.73 04/28/02 81 4.23 04/29/02 18 4.35 04/30/02 36 3.46 06/27/02 67 0.09 07/11/02 4 3.96 08/08/02 26 5.18 08/12/02 19 4.48 08/15/02 21 1.45 08/26/02 38 2.46 09/06/02 66 3.24 09/12/02 36 3.94 10/04/02 10 6.42 10/07/02 11 5.78SUMMARY OUTPUT

Regression Statistics Multiple R 0.0521822 R Square 0.002722982 Adjusted R Square -0.022848224 Standard Error 2.228795899 Observations 41

ANOVA df SS MS F Regression 10.528974 0.5289738060.106486258 Residual 39193.7337 4.967531159 Total 40194.2627

Coefficients tandard Erro t Stat P-value Intercept 3.6859232960.620389 5.9413057986.24852E-07 COD (mg/L) 0.0024777380.007593 0.3263223230.745925232

RESIDUAL OUTPUT

Observation Predicted Daily Min DO (mg/L)ResidualsStandard Residuals 1 3.9262638851.335936 0.607034092 2 3.9287416231.433058 0.651165338 3 3.8494540060.607646 0.27610739 4 4.104661023-0.58546 -0.266026793 5 3.896531028-1.14093 -0.518426011 6 3.916352933-1.77495 -0.806518314 7 3.765210913-3.45811 -1.57132605 8 3.765210913-3.58261 -1.627897427 9 3.809810197-0.95461 -0.433763956 10 4.042717572-2.62342 -1.192050942 11 3.983251860.009048 0.004111372 12 3.8866200760.46258 0.210191027 13 4.032806620.474093 0.21542261 14 3.9559967413.157103 1.434551615 15 4.0774059052.521094 1.145556325 16 3.8122879354.274037 1.942073315 17 3.9138751953.823149 1.737195327 18 3.8618426963.579417 1.626445948 19 3.8742313864.117283 1.870846346 20 3.782555079-0.29656 -0.134751236 21 3.772644127-2.00264 -0.909978588 22 3.735478057-0.95548 -0.434158302 23 3.7652109130.104789 0.047614963 24 3.98325186-1.14325 -0.51948057 25 4.122005189-4.04201 -1.836640932 26 3.742911271-3.66291 -1.664384991 27 3.7875105550.452489 0.20560602928 3.908919719-0.17892 -0.081299074 29 3.8866200760.34338 0.15602791 30 3.730522580.619477 0.281483455 31 3.775121865-0.31512 -0.143187772 32 3.851931744-3.76193 -1.709378762 33 3.6958342480.264166 0.120033897 34 3.7503444851.429656 0.649619116 35 3.733000318 0.747 0.339428112 36 3.737955795-2.28796 -1.039620947 37 3.780077341-1.32008 -0.599828047 38 3.849454006-0.60945 -0.27692893 39 3.7751218650.164878 0.074918739 40 3.7107006762.709299 1.231074628 41 3.7131784142.066822 0.939140092Significance F 0.745925232

Lower 95% Upper 95% Lower 95.0%Upper 95.0% 2.43106847 4.940778122 2.431068474.940778122 -0.012880369 0.017835845-0.0128803690.017835845

PROBABILITY OUTPUT

Percentile Daily Min DO (mg/L) 1.219512195 0.08 3.658536585 0.08 6.097560976 0.09 8.536585366 0.1826 10.97560976 0.3071 13.41463415 1.4193 15.85365854 1.45 18.29268293 1.77 20.73170732 2.1414 23.17073171 2.46

25.6097561 2.7556 28.04878049 2.78 30.48780488 2.84 32.92682927 2.8552 35.36585366 3.24 37.80487805 3.46 40.24390244 3.486 42.68292683 3.5192 45.12195122 3.73 47.56097561 3.87 50 3.94 52.43902439 3.96 54.87804878 3.9923 57.31707317 4.23 59.75609756 4.24 62.19512195 4.3492 64.63414634 4.35 -6 -4 -2 0 2 4 6

0Residuals 

### COD

0 5 10Daily Min DO(mg/L)67.07317073 4.4571 69.51219512 4.48 71.95121951 4.5069

74.3902439 5.18 76.82926829 5.2622 79.26829268 5.3618 81.70731707 5.78 84.14634146 6.42 86.58536585 6.5985 89.02439024 7.1131 91.46341463 7.441259253 93.90243902 7.737024512 96.34146341 7.99151447

98.7804878 8.08632445450 100 150 200
COD (mg/L) 

### D (mg/L) Residual Plot

0.00 5.00 0.00

0 100 200 COD (mg/L) 

### COD (mg/L) Line Fit Plot

Daily Min DO (mg/L) Predicted Daily Min DO (mg/L) 0 2 4 6 8 10

0 50 100 150Daily Min DO(mg/L)

Sample Percentile 

### Normal Probability PlotDateCOD (mg/L)Daily Min DO (mg/L) 12/01/01 375 6.31 12/02/01 616 6.43 12/03/01 725 5.83 12/04/01 285 5.81 12/05/01 209 4.63 01/25/02 827 2.91 01/26/02 657 5.37 01/27/02 653 4.51 03/08/02 531 4.37 03/10/02 1640 2.72 03/11/02 649 0.34 03/12/02 465 1.07 03/13/02 468 0.59 03/14/02 1072 1.87 03/15/02 1175 2.69 03/16/02 1240 1.14 04/22/02 238 0.08 05/01/02 622 0.42 05/02/02 298 0.11 05/03/02 605 0.10 05/04/02 222 0.10 10/31/02 1203 11.00SUMMARY OUTPUT

Regression Statistics Multiple R 0.175790192 R Square 0.030902192 Adjusted R Square -0.017552699 Standard Error 2.925564266 Observations 22

ANOVA df SS MS Regression 1 5.458470306 5.458470306 Residual 20 171.1785255 8.558926274 Total 21 176.6369958

Coefficients Standard Error t Stat Intercept 2.214433169 1.28154703 1.727937498 COD (mg/L) 0.001331227 0.001666964 0.798593615

RESIDUAL OUTPUT

Observation Predicted Daily Min DO (mg/L) Residuals Standard Residuals 1 2.713643307 3.594356693 1.258943326 2 3.034469022 3.398030978 1.190179157 3 3.179572769 2.655327231 0.930043059 4 2.593832874 3.216167126 1.126480337 5 2.492659619 2.138740381 0.749105656 6 3.315357927-0.410357927 -0.143730135 7 3.089049331 2.281050669 0.798950622 8 3.083724423 1.423175577 0.498475123 9 2.921314724 1.444485276 0.505938963 10 4.397645506-1.675245506 -0.586764011 11 3.078399514-2.738099514 -0.95903451 12 2.83345374 -1.76275374 -0.617414254 13 2.837447421 -2.248147421 -0.787426077 14 3.64150855 -1.77400855 -0.621356314 15 3.778624935-1.089424935 -0.381577113 16 3.865154692 -2.728054692 -0.955516255 17 2.531265203-2.451265203 -0.858569205 18 3.042456385-2.622456385 -0.918529864 19 2.611138825-2.501138825 -0.876037717 20 3.019825525-2.919825525 -1.022685051 21 2.509965571 -2.409965571 -0.84410378 22 3.815899292 7.179409863 2.514628041F Significance F 0.637751761 0.433907459

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 0.099409974 -0.45882585 4.887692188-0.458825854.887692188 0.433907459 -0.002145998 0.004808452-0.0021459980.004808452

PROBABILITY OUTPUT

Percentile Daily Min DO (mg/L) 2.272727273 0.08 6.818181818 0.1 11.36363636 0.1 15.90909091 0.11 20.45454545 0.3403 25 0.42 29.54545455 0.5893 34.09090909 1.0707 38.63636364 1.1371 43.18181818 1.8675 47.72727273 2.6892 52.27272727 2.7224 56.81818182 2.905 61.36363636 4.3658 65.90909091 4.5069 70.45454545 4.6314 75 5.3701 79.54545455 5.81 84.09090909 5.8349 88.63636364 6.308 93.18181818 6.4325 97.72727273 10.99530915 -5 0 5 10

0Residuals0 500 1000 1500 2000 COD (mg/L) 

### COD (mg/L) Residual Plot

0.00 5.00 10.00 15.00

0 1000 2000Daily Min DO(mg/L)

COD (mg/L) 

### COD (mg/L) Line Fit Plot

Daily Min DO (mg/L) Predicted Daily Min DO (mg/L) 0 5 10 15

0 50 100 150Daily Min DO(mg/L)

Sample Percentile 

### Normal Probability PlotDateCOD (mg/L)Daily Average DO (mg/L) 11/29/01 97 6.51 11/30/01 98 6.72 12/01/01 375 7.14 12/02/01 616 7.43 12/03/01 725 6.92 12/04/01 285 6.61 12/05/01 209 5.92 12/06/01 66 5.70 01/25/02 827 5.05 01/26/02 657 6.50 01/27/02 653 5.41 01/28/02 169 4.33 01/29/02 85 3.98 01/30/02 93 4.02 02/02/02 32 2.48 02/03/02 32 3.34 02/04/02 50 5.72 03/08/02 531 5.91 03/09/02 144 4.09 03/10/02 1640 5.21 03/11/02 649 3.37 03/12/02 465 2.68 03/13/02 468 2.24 03/14/02 1072 5.35 03/15/02 1175 5.53 03/16/02 1240 4.16 03/29/02 120 6.69 03/30/02 81 6.72 03/31/02 140 7.34 04/01/02 109 8.69 04/02/02 158 9.00 04/03/02 51 10.16 04/04/02 92 9.62 04/05/02 71 9.08 04/06/02 76 8.93 04/07/02 39 8.94 04/18/02 35 5.46 04/19/02 20 5.92 04/20/02 32 8.23 04/21/02 120 6.15 04/22/02 238 4.29 04/23/02 176 3.37 04/24/02 23 4.80 04/25/02 41 7.23 04/27/02 90 6.69 04/28/02 81 6.82 04/29/02 18 6.46 04/30/02 36 6.38 05/01/02 622 2.82 05/02/02 298 1.02 05/03/02 605 2.1605/04/02 222 0.20 06/27/02 67 3.23 07/11/02 4 5.40 08/08/02 26 6.23 08/12/02 19 6.87 08/15/02 21 5.00 08/26/02 38 5.42 09/06/02 66 6.04 09/12/02 36 6.46 10/04/02 10 8.10 10/07/02 11 8.31 10/31/02 1203 11.64SUMMARY OUTPUT

Regression Statistics Multiple R 0.113311101 R Square 0.012839406 Adjusted R Square -0.003343555 Standard Error 2.228999648 Observations 63

ANOVA df SS MS Regression 1 3.941912131 3.941912131 Residual 61 303.0748052 4.96843943 Total 62 307.0167173

Coefficients Standard Error t Stat Intercept 6.035134774 0.353291984 17.08256924 COD (mg/L) -0.000685495 0.000769593 -0.890724647

RESIDUAL OUTPUT

Observation Predicted Daily Average DO (mg/L) Residuals Standard Residuals 1 5.968641745 0.543054089 0.245620163 2 5.96795625 0.74985625 0.339155562 3 5.778074093 1.365632157 0.617667374 4 5.612869762 1.813382322 0.820182134 5 5.53815079 1.383616918 0.625801776 6 5.839768656 0.76668551 0.346767337 7 5.891866288 0.02560142 0.011579372 8 5.989892094-0.289175428 -0.130792341 9 5.468230285-0.413616743 -0.187076415 10 5.58476446 0.911368873 0.412206769 11 5.587506441 -0.179187836 -0.081045602 12 5.919286094-1.584956927 -0.716866675 13 5.976867687-1.999179145 -0.904216942 14 5.971383725-1.950125948 -0.88203047 15 6.01319893-3.532104138 -1.59754988 16 6.01319893-2.675388513 -1.210062453 17 6.000860017 -0.2850996 -0.128948869 18 5.671136849 0.235955859 0.106721444 19 5.936423473-1.843399514 -0.833758734 20 4.910922727 0.301217898 0.136239079 21 5.590248422 -2.22209113 -1.005038719 22 5.716379529-3.035220154 -1.372812183 23 5.714323044-3.473409502 -1.571002642 24 5.300283973 0.049238944 0.022270484 25 5.229677972 0.297776194 0.134682417 26 5.185120788-1.026993704 -0.464503198 27 5.952875356 0.740061345 0.33472538428 5.979609667 0.736460699 0.333096833 29 5.939165453 1.403046292 0.634589567 30 5.960415803 2.734359245 1.236734568 31 5.926826541 3.072647191 1.389740211 32 6.000174522 4.154979752 1.879272848 33 5.972069221 3.651286595 1.651455403 34 5.986464619 3.095459002 1.400057859 35 5.983037143 2.944668103 1.331856024 36 6.008400464 2.929469619 1.324981839 37 6.011142444-0.553656689 -0.250415657 38 6.021424871 -0.097557001 -0.044124456 39 6.01319893 2.220867437 1.00448525 40 5.952875356 0.197860081 0.089490948 41 5.871986929-1.580451511 -0.714828901 42 5.914487628-2.544173665 -1.150714751 43 6.019368386-1.217703244 -0.550759999 44 6.007029473 1.223473792 0.553369984 45 5.973440211 0.71346912 0.322697877 46 5.979609667 0.845271514 0.382311323 47 6.022795862 0.438913612 0.198518039 48 6.010456949 0.369229787 0.167000456 49 5.608756791 -2.786673457 -1.260395977 50 5.83085722 -4.81023222 -2.175639677 51 5.620410208-3.458936524 -1.564456599 52 5.882954851 -5.680399295 -2.569211115 53 5.989206599 -2.762281327 -1.249363561 54 6.032392794 -0.63312196 -0.28635733 55 6.0173119 0.210581645 0.095244836 56 6.022110367 0.848242431 0.383655051 57 6.020739376-1.023318251 -0.462840813 58 6.009085959 -0.592698551 -0.26807406 59 5.989892094 0.054390636 0.024600564 60 6.010456949 0.445661352 0.201570002 61 6.028279823 2.066885035 0.934839917 62 6.027594328 2.2843924 1.033217216 63 5.210484108 6.426088859 2.906482109F Significance F 0.793390397 0.376576701

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 6.3051E-25 5.328683593 6.7415859565.3286835936.741585956 0.376576701 -0.002224391 0.000853401-0.0022243910.000853401

PROBABILITY OUTPUT

Percentile Daily Average DO (mg/L) 0.793650794 0.202555556 2.380952381 1.020625 3.968253968 2.161473684 5.555555556 2.240913542 7.142857143 2.481094792

8.73015873 2.681159375 10.31746032 2.822083333

11.9047619 3.226925272 13.49206349 3.337810417 15.07936508 3.368157292 16.66666667 3.370313963 18.25396825 3.977688542 19.84126984 4.021257778 21.42857143 4.093023958 23.01587302 4.158127083

24.6031746 4.291535418 26.19047619 4.334329167 27.77777778 4.801665142 29.36507937 4.997421125 30.95238095 5.054613542 32.53968254 5.212140625 34.12698413 5.349522917 35.71428571 5.399270833

37.3015873 5.408318605 38.88888889 5.416387408 40.47619048 5.457485755 42.06349206 5.52745416743.65079365 5.700716667 45.23809524 5.715760417 46.82539683 5.907092708 48.41269841 5.917467708 50 5.923867871 51.58730159 6.044282731 53.17460317 6.150735438 54.76190476 6.227893545 56.34920635 6.379686735 57.93650794 6.456118301 59.52380952 6.461709474 61.11111111 6.496133333

62.6984127 6.511695833 64.28571429 6.606454167 65.87301587 6.686909331 67.46031746 6.692936702 69.04761905 6.716070367 70.63492063 6.7178125 72.22222222 6.824881182 73.80952381 6.870352797

75.3968254 6.921767708 76.98412698 7.14370625 78.57142857 7.230503265 80.15873016 7.342211746 81.74603175 7.426252083 83.33333333 8.095164857 84.92063492 8.234066367 86.50793651 8.311986728

88.0952381 8.694775048 89.68253968 8.927705246 91.26984127 8.937870082 92.85714286 8.999473731 94.44444444 9.081923621 96.03174603 9.623355816 97.61904762 10.15515427 99.20634921 11.63657297-10 -5 0 5 10

0 500 1000 1500 2000Residuals

COD (mg/L) 

### COD (mg/L) Residual Plot

0.00 5.00 10.00 15.00

0 1000 2000Daily Average DO(mg/L)

COD (mg/L) 

### COD (mg/L) Line Fit Plot

Daily Average DO (mg/L)

Predicted Daily Average DO (mg/L) 0 5 10 15

0 50 100 150Daily Average DO(mg/L)

Sample Percentile 

### Normal Probability PlotDateCOD (mg/LDaily Average DO (mg/L) 11/29/01 97 6.51 11/30/01 98 6.72 12/06/01 66 5.70 01/28/02 169 4.33 01/29/02 85 3.98 01/30/02 93 4.02 02/02/02 32 2.48 02/03/02 32 3.34 02/04/02 50 5.72 03/09/02 144 4.09 03/29/02 120 6.69 03/30/02 81 6.72 03/31/02 140 7.34 04/01/02 109 8.69 04/02/02 158 9.00 04/03/02 51 10.16 04/04/02 92 9.62 04/05/02 71 9.08 04/06/02 76 8.93 04/07/02 39 8.94 04/18/02 35 5.46 04/19/02 20 5.92 04/20/02 32 8.23 04/21/02 120 6.15 04/23/02 176 3.37 04/24/02 23 4.80 04/25/02 41 7.23 04/27/02 90 6.69 04/28/02 81 6.82 04/29/02 18 6.46 04/30/02 36 6.38 06/27/02 67 3.23 07/11/02 4 5.40 08/08/02 26 6.23 08/12/02 19 6.87 08/15/02 21 5.00 08/26/02 38 5.42 09/06/02 66 6.04 09/12/02 36 6.46 10/04/02 10 8.10 10/07/02 11 8.31SUMMARY OUTPUT

Regression Statistics Multiple R 0.051046166 R Square 0.002605711 Adjusted R Square -0.022968501 Standard Error 1.909686692 Observations 41

ANOVA df SS MS Regression 1 0.371576493 0.371576493 Residual 39 142.2292272 3.64690326 Total 40 142.6008036

Coefficients Standard Error t Stat Intercept 6.497288622 0.531564793 12.22294762 COD (mg/L) -0.002076646 0.006505796 -0.319199347

RESIDUAL OUTPUT

Observation Predicted Daily Average DO (mg/L) Residuals Standard Residuals 1 6.295853984 0.21584185 0.114464608 2 6.293777338 0.424035162 0.224873066 3 6.360230002 -0.659513335 -0.349751151 4 6.146335489-1.812006322 -0.960937804 5 6.320773733-2.343085191 -1.24257797 6 6.304160567-2.282902789 -1.210662218 7 6.430835958-3.949741166 -2.094614989 8 6.430835958-3.093025541 -1.640284107 9 6.393456334-0.677695918 -0.359393684 10 6.198251633-2.105227675 -1.11643808 11 6.248091131 0.44484557 0.23590918 12 6.329080316 0.386990051 0.205227413 13 6.206558216 1.13565353 0.602256403 14 6.270934235 2.423840814 1.285404052 15 6.169178592 2.830295139 1.500953701 16 6.391379688 3.763774585 1.995993745 17 6.306237212 3.317118604 1.759124473 18 6.349846773 2.732076847 1.448866869 19 6.339463545 2.588241701 1.372588642 20 6.416299438 2.521570645 1.337231845 21 6.424606021 -0.967120266 -0.512880343 22 6.455755707-0.531887836 -0.282069176 23 6.430835958 1.803230409 0.956283788 24 6.248091131 -0.097355694 -0.051629382 25 6.131798969-2.761485005 -1.464462516 26 6.44952577-1.647860627 -0.873888547 27 6.412146146 0.818357119 0.43398871428 6.310390504 0.376518827 0.199674344 29 6.329080316 0.495800866 0.262931641 30 6.459908998 0.001800475 0.000954823 31 6.422529375 -0.042842639 -0.022720181 32 6.358153356-3.131228085 -1.660543566 33 6.488982039 -1.089711206 -0.577892406 34 6.443295832 -0.215402287 -0.1142315 35 6.457832353 0.412520444 0.218766615 36 6.453679061 -1.456257936 -0.772278378 37 6.418376083-1.001988675 -0.531371654 38 6.360230002 -0.315947272 -0.167552217 39 6.422529375 0.033588926 0.017812779 40 6.476522165 1.618642693 0.858393779 41 6.474445519 1.837541209 0.974479389F Significance F 0.101888223 0.751278842

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 6.5002E-15 5.422098398 7.5724788465.4220983987.572478846 0.751278842 -0.015235847 0.011082555-0.0152358470.011082555

PROBABILITY OUTPUT

Percentile Daily Average DO (mg/L) 1.219512195 2.481094792 3.658536585 3.226925272 6.097560976 3.337810417 8.536585366 3.370313963 10.97560976 3.977688542 13.41463415 4.021257778 15.85365854 4.093023958 18.29268293 4.334329167 20.73170732 4.801665142 23.17073171 4.997421125

25.6097561 5.399270833 28.04878049 5.416387408 30.48780488 5.457485755 32.92682927 5.700716667 35.36585366 5.715760417 37.80487805 5.923867871 40.24390244 6.044282731 42.68292683 6.150735438 45.12195122 6.227893545 47.56097561 6.379686735 50 6.456118301 52.43902439 6.461709474 54.87804878 6.511695833 57.31707317 6.686909331 59.75609756 6.692936702 62.19512195 6.716070367 64.63414634 6.717812567.07317073 6.824881182 69.51219512 6.870352797 71.95121951 7.230503265

74.3902439 7.342211746 76.82926829 8.095164857 79.26829268 8.234066367 81.70731707 8.311986728 84.14634146 8.694775048 86.58536585 8.927705246 89.02439024 8.937870082 91.46341463 8.999473731 93.90243902 9.081923621 96.34146341 9.623355816

98.7804878 10.15515427-6 -4 -2 0 2 4 6

0 50 100 150 200Residuals

COD (mg/L) 

### COD (mg/L) Residual Plot

0.00 5.00 10.00 15.00

0 100 200Daily Average DO(mg/L)

COD (mg/L) 

### COD (mg/L) Line Fit Plot

Daily Average DO (mg/L)

Predicted Daily Average DO (mg/L) 0 5 10 15

0 50 100 150Daily Average DO(mg/L)

Sample Percentile 

### Normal Probability PlotDateCOD (mg/LDaily Average DO (mg/L) 12/01/01 375 7.14 12/02/01 616 7.43 12/03/01 725 6.92 12/04/01 285 6.61 12/05/01 209 5.92 01/25/02 827 5.05 01/26/02 657 6.50 01/27/02 653 5.41 03/08/02 531 5.91 03/10/021640 5.21 03/11/02 649 3.37 03/12/02 465 2.68 03/13/02 468 2.24 03/14/021072 5.35 03/15/021175 5.53 03/16/021240 4.16 04/22/02 238 4.29 05/01/02 622 2.82 05/02/02 298 1.02 05/03/02 605 2.16 05/04/02 222 0.20 10/31/021203 11.64SUMMARY OUTPUT

Regression Statistics Multiple R 0.351166596 R Square 0.123317978 Adjusted R Square 0.079483877 Standard Error 2.41961211 Observations 22

ANOVA df SS MS Regression 1 16.47046232 16.47046232 Residual 20 117.0904553 5.854522763 Total 21 133.5609176

Coefficients Standard Error t Stat Intercept 3.335813585 1.059914065 3.147249097 COD (mg/L) 0.002312435 0.001378677 1.677286091

RESIDUAL OUTPUT

Observation Predicted Daily Average DO (mg/L) Residuals Standard Residuals 1 4.202976737 2.940729513 1.245386003 2 4.76027359 2.665978494 1.129030156 3 5.012329012 1.909438696 0.808638882 4 3.994857581 2.611596586 1.105999657 5 3.819112515 2.098355193 0.888644187 6 5.24819739-0.193583848 -0.081981907 7 4.855083427 1.641049906 0.694977411 8 4.845833687 0.562484917 0.238209886 9 4.563716608 1.3433761 0.568913864 10 7.128207104-1.916066479 -0.811445719 11 4.836583947-1.468426655 -0.621872224 12 4.411095894-1.729936519 -0.7326205 13 4.418033199-2.177119657 -0.92200059 14 5.814743983-0.465221066 -0.197019073 15 6.052924795-0.525470628 -0.222534498 16 6.203233075-2.045105991 -0.866093384 17 3.886173132 0.405362286 0.171669144 18 4.7741482 -1.952064867 -0.826690877 19 4.024919236-3.004294236 -1.272305383 20 4.734836804 -2.57336312 -1.089807952 21 3.849174171 -3.646618615 -1.54432693 22 6.117672977 5.51889999 2.33722985F Significance F 2.81328863 0.109047164

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 0.005070472 1.124872615 5.5467545551.1248726155.546754555 0.109047164 -0.000563433 0.005188303-0.0005634330.005188303

PROBABILITY OUTPUT

Percentile Daily Average DO (mg/L) 2.272727273 0.202555556 6.818181818 1.020625 11.36363636 2.161473684 15.90909091 2.240913542 20.45454545 2.681159375 25 2.822083333 29.54545455 3.368157292 34.09090909 4.158127083 38.63636364 4.291535418 43.18181818 5.054613542 47.72727273 5.212140625 52.27272727 5.349522917 56.81818182 5.408318605 61.36363636 5.527454167 65.90909091 5.907092708 70.45454545 5.917467708 75 6.496133333 79.54545455 6.606454167 84.09090909 6.921767708 88.63636364 7.14370625 93.18181818 7.426252083 97.72727273 11.63657297-5 0 5 10

0 500 1000 1500 2000Residuals

COD (mg/L) 

### COD (mg/L) Residual Plot

0.00 5.00 10.00 15.00

0 1000 2000Daily Average DO(mg/L)

COD (mg/L) 

### COD (mg/L) Line Fit Plot

Daily Average DO (mg/L)

Predicted Daily Average DO (mg/L) 0 5 10 15

0 50 100 150Daily Average DO(mg/L)

Sample Percentile 

### Normal Probability PlotDRAFT y = 0.0015x + 3.7436 R2= 0.0028 p<0.001

0 2 4 6 8 10 12

0 100 200 300 400 500 600DO (mg/L

COD (mg/L) 

### Figure 7 COD vs. Daily Minimum DO (mg/L) at WQTC03DRAFT y =-0.001x + 4.0327 R2= 0.0002 p<0.001

0 2 4 6 8 10 12

0 20 40 60 80 100 120 140 160 180 

### Figure 8 COD less than 200 mg/L vs. Daily Minimum DO (mg/L) at WQTC03DRAFT y = 0.0236x

-3.5244 R2= 0.4048 p=0.26

0 2 4 6 8 10 12

0 100 200 300 400 500 600 

### Figure 9 COD greater than 200 mg/L vs. Daily Minimum DO (mg/L) at WQTC03DRAFT y = 0.0028x + 6.5617 R2= 0.0173 p<0.001

0 2 4 6 8 10 12

0 100 200 300 400 500 600 

### Figure 10 COD (mg/L) vs. Average Daily DO (mg/L) at WQTC03DRAFT y = 0.0038x + 6.5743 R2= 0.0062 p<0.001

0 2 4 6 8 10 12

0 20 40 60 80 100 120 140 160 180 

### Figure 11 COD less than 200 mg/L vs. DO (mg/L) at WQTC03DRAFT y = 0.0155x + 2.2874 R2= 0.3694 p=0.31

0 2 4 6 8 10 12

0 100 200 300 400 500 600 

### Figure 12 COD greater than 200 mg/L vs. DO (mg/L) at WQTC03DateCOD (mg/L)Daily Min DO (mg/L)Daily Average DO (mg/L) 11/27/2001 99 9.56 10.38 11/28/2001 99 8.28 9.57 11/29/2001 98 5.77 8.32 11/30/2001 170 7.45 9.02 1/24/2002 20 7.10 9.68 1/25/2002 325 3.83 7.13 1/26/2002 414 5.31 8.78 1/29/2002 226 4.06 6.45 1/30/2002 154 3.52 6.26 1/31/2002 112 3.66 5.75 2/1/2002 98 3.44 6.23 2/2/2002 60 3.60 6.01 2/3/2002 84 1.88 5.31 2/4/2002 62 2.85 6.43 2/5/2002 62 5.70 7.59 3/22/2002 342 2.37 5.39 3/23/2002 230 0.52 4.09 3/24/2002 126 4.37 5.20 3/28/2002 22 7.00 9.05 3/29/2002 35 7.33 9.24 3/30/2002 78 8.23 9.69 3/31/2002 69 6.40 9.20 4/1/2002 89 6.04 8.72 4/2/2002 74 9.74 10.89 4/3/2002 77 8.55 9.97 4/4/2002 69 7.23 9.60 4/5/2002 42 5.91 8.84 4/6/2002 46 5.28 8.16 4/7/2002 80 4.63 7.73 4/8/2002 165 1.40 5.62 4/9/2002 292 0.26 3.32 4/18/2002 86 5.23 7.78 4/19/2002 79 5.65 8.49 4/20/2002 25 6.77 9.10 4/21/2002 95 8.02 9.14 4/22/2002 66 4.36 8.50 4/23/2002 148 3.25 7.20 4/24/2002 126 2.66 6.89 4/25/2002 104 0.14 6.20 4/26/2002 59 3.51 6.59 4/27/2002 62 3.34 6.72 4/28/2002 69 1.68 6.71 4/29/2002 68 0.42 5.78 4/30/2002 59 0.22 5.51 5/1/2002 277 0.54 6.93 5/2/2002 217 6.45 8.29 5/3/2002 219 0.14 6.64 5/4/2002 150 0.14 4.28 5/5/2002 64 0.13 4.46 5/6/2002 149 0.14 4.40 5/7/2002 128 0.33 4.365/8/2002 119 1.75 6.51 6/29/2002 0.11 2.45 6/30/2002 1.08 4.46 7/1/2002 30 0.86 3.79 7/2/2002 0.56 4.44 7/3/2002 0.98 3.81 7/4/2002 1.54 4.87 7/5/2002 1.04 4.28 7/6/2002 1.09 4.11 7/7/2002 2.07 5.01 7/8/2002 56 4.96 6.26 7/9/2002 4.03 5.91 7/10/2002 3.99 5.55 7/11/2002 17 3.24 4.58 7/12/2002 3.74 5.58 7/13/2002 2.21 5.38 7/14/2002 3.08 5.43 7/17/2002 0.44 2.53 7/18/2002 23 0.27 1.66 7/19/2002 0.25 1.56 7/20/2002 0.15 1.47 7/21/2002 0.09 1.34 7/27/2002 0.40 3.90 7/28/2002 0.95 4.32 8/8/2002 12 3.07 5.04 8/9/2002 2.27 5.06 8/10/2002 1.41 4.42 8/11/2002 1.09 4.40 8/12/2002 33 1.24 4.58 8/13/2002 2.29 5.16 8/14/2002 1.26 4.52 8/15/2002 48 1.89 4.67 8/23/2002 3.71 5.58 8/24/2002 1.39 4.73 8/25/2002 1.04 4.20 8/26/2002 32 0.99 3.56 8/27/2002 0.99 3.00 8/28/2002 1.02 3.78 8/29/2002 12 1.39 3.84 9/5/2002 1.64 5.16 9/6/2002 5 1.25 4.71 9/7/2002 0.73 4.58 9/8/2002 1.20 4.45 9/9/2002 29 1.66 4.59 9/10/2002 0.59 5.43 9/11/2002 3.62 6.08 9/12/2002 6 1.76 5.42 9/28/2002 3.21 6.00 9/29/2002 3.10 6.23 9/30/2002 3.17 6.08 10/1/2002 4.10 6.59 10/2/2002 2.06 6.8710/3/2002 6.34 8.25 10/4/2002 21 3.40 6.74 10/5/2002 2.88 6.29 10/6/2002 2.77 6.01 10/24/2002 2 7.30 9.71 10/25/2002 4.60 8.15 10/26/2002 6.71 8.83 10/27/2002 284 5.34 7.98 10/28/2002 7.43 8.96 10/29/2002 7.30 9.86 10/30/2002 9.73 11.32 10/31/2002 500 10.81 11.58 11/1/2002 9.75 10.61 11/2/2002 9.34 10.09 11/3/2002 7.06 8.93 11/4/2002 7.04 8.70 11/5/2002 4.20 6.45 11/6/2002 1.18 5.15 11/7/2002 0.27 3.67DateCOD (mg/L)Daily Min DO (mg/L) 11/27/2001 99 9.56 11/28/2001 99 8.28 11/29/2001 98 5.77 11/30/2001 170 7.45 1/24/2002 20 7.10 1/25/2002 325 3.83 1/26/2002 414 5.31 1/29/2002 226 4.06 1/30/2002 154 3.52 1/31/2002 112 3.66 2/1/2002 98 3.44 2/2/2002 60 3.60 2/3/2002 84 1.88 2/4/2002 62 2.85 2/5/2002 62 5.70 3/22/2002 342 2.37 3/23/2002 230 0.52 3/24/2002 126 4.37 3/28/2002 22 7.00 3/29/2002 35 7.33 3/30/2002 78 8.23 3/31/2002 69 6.40 4/1/2002 89 6.04 4/2/2002 74 9.74 4/3/2002 77 8.55 4/4/2002 69 7.23 4/5/2002 42 5.91 4/6/2002 46 5.28 4/7/2002 80 4.63 4/8/2002 165 1.40 4/9/2002 292 0.26 4/18/2002 86 5.23 4/19/2002 79 5.65 4/20/2002 25 6.77 4/21/2002 95 8.02 4/22/2002 66 4.36 4/23/2002 148 3.25 4/24/2002 126 2.66 4/25/2002 104 0.14 4/26/2002 59 3.51 4/27/2002 62 3.34 4/28/2002 69 1.68 4/29/2002 68 0.42 4/30/2002 59 0.22 5/1/2002 277 0.54 5/2/2002 217 6.45 5/3/2002 219 0.14 5/4/2002 150 0.14 5/5/2002 64 0.13 5/6/2002 149 0.14 5/7/2002 128 0.335/8/2002 119 1.75 7/1/2002 30 0.86 7/8/2002 56 4.96 7/11/2002 17 3.24 7/18/2002 23 0.27 8/8/2002 12 3.07 8/12/2002 33 1.24 8/15/2002 48 1.89 8/26/2002 32 0.99 8/29/2002 12 1.39 9/6/2002 5 1.25 9/9/2002 29 1.66 9/12/2002 6 1.76 10/4/2002 21 3.40 10/24/2002 2 7.30 10/27/2002 284 5.34 10/31/2002 500 10.81SUMMARY OUTPUT

Regression Statistics Multiple R 0.052615313 R Square 0.002768371 Adjusted R Square -0.012341199 Standard Error 2.867532706 Observations 68

ANOVA df SS MS Regression 1 1.506568813 1.506568813 Residual 66 542.7010922 8.222743821 Total 67 544.207661

Coefficients Standard Error t Stat Intercept 3.743648326 0.513812696 7.286017562 COD (mg/L) 0.001488234 0.003476844 0.428041726

RESIDUAL OUTPUT

Observation Predicted Daily Min DO (mg/L) Residuals Standard Residuals 1 3.890983534 5.670616466 1.992449525 2 3.890983534 4.392416466 1.543336277 3 3.889495299 1.879004701 0.66021429 4 3.996648178 3.448451822 1.211661243 5 3.773413014 3.331386986 1.170528894 6 4.227324514-0.401024514 -0.14090551 7 4.359777378 0.952222622 0.334576588 8 4.079989306-0.021289306 -0.007480292 9 3.972836427-0.453636427 -0.159391433 10 3.910330581 -0.250030581 -0.087851703 11 3.889495299-0.444995299 -0.156355253 12 3.832942391 -0.230742391 -0.081074531 13 3.868660017-1.984560017 -0.69730261 14 3.83591886 -0.98901886 -0.347505456 15 3.83591886 1.86618114 0.655708554 16 4.252624499-1.878824499 -0.660150974 17 4.085942244-3.563042244 -1.251924172 18 3.931165863 0.434634137 0.152714715 19 3.776389483 3.220510517 1.131570913 20 3.795736531 3.533163469 1.241425852 21 3.859730611 4.36631382 1.534164751 22 3.846336501 2.552963499 0.897019035 23 3.87610119 2.16629881 0.761159049 24 3.853777673 5.890422327 2.069681354 25 3.858242376 4.690757624 1.648162568 26 3.846336501 3.382963499 1.188651015 27 3.806154172 2.103445828 0.73907478428 3.812107109 1.466692891 0.515342833 29 3.86270708 0.76869292 0.270090889 30 3.989207006-2.586507006 -0.90880501 31 4.178212778-3.920912778 -1.377666934 32 3.871636486 1.358363514 0.477279808 33 3.861218845 1.788781155 0.628512999 34 3.780854186 2.989145814 1.050277724 35 3.885030596 4.134969404 1.45287869 36 3.841871798 0.518128202 0.18205151 37 3.963907021 -0.713907021 -0.250841106 38 3.931165863-1.271165863 -0.446641707 39 3.898424706-3.758424706 -1.320574503 40 3.831454157-0.321454157 -0.112947364 41 3.83591886 -0.49591886 -0.174247951 42 3.846336501 -2.166336501 -0.761172292 43 3.844848267-3.424848267 -1.203367807 44 3.831454157-3.611454157 -1.268934368 45 4.155889262 -3.615889262 -1.270492703 46 4.066595196 2.383404804 0.837442242 47 4.069571665 -3.929571665 -1.380709354 48 3.96688349 -3.82688349 -1.344628443 49 3.838895329 -3.708895329 -1.303171671 50 3.965395255 -3.825395255 -1.344105532 51 3.934142332 -3.604142332 -1.266365257 52 3.920748222 -2.170748222 -0.762722411 53 3.788295358-2.928295358 -1.028897075 54 3.826989454 1.133010546 0.398098926 55 3.768948311 -0.528948311 -0.185853305 56 3.777877717-3.507877717 -1.232541353 57 3.761507139 -0.691507139 -0.242970597 58 3.792760062 -2.552760062 -0.896947555 59 3.815083578-1.925083578 -0.676404741 60 3.791271827-2.801271827 -0.984265601 61 3.761507139-2.371507139 -0.833261833 62 3.751089498-2.501089498 -0.878792387 63 3.786807124-2.126807124 -0.747283099 64 3.752577732 -1.992577732 -0.700119745 65 3.774901249 -0.374901249 -0.131726739 66 3.746624795 3.553375205 1.248527525 67 4.166306903 1.173693097 0.412393303 68 4.487765539 6.322234461 2.22140452F Significance F 0.183219719 0.670014316

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 5.01057E-10 2.71778855 4.769508101 2.717788554.769508101 0.670014316 -0.005453507 0.008429975-0.0054535070.008429975

PROBABILITY OUTPUT

Percentile Daily Min DO (mg/L) 0.735294118 0.13 2.205882353 0.14 3.676470588 0.14 5.147058824 0.14 6.617647059 0.14 8.088235294 0.22 9.558823529 0.2573 11.02941176 0.27 12.5 0.33 13.97058824 0.42 15.44117647 0.5229 16.91176471 0.54 18.38235294 0.86 19.85294118 0.99 21.32352941 1.24 22.79411765 1.25 24.26470588 1.39 25.73529412 1.4027 27.20588235 1.66 28.67647059 1.68 30.14705882 1.75 31.61764706 1.76 33.08823529 1.8841 34.55882353 1.89 36.02941176 2.3738 37.5 2.66 38.97058824 2.8469 -5 0 5 10

040.44117647 3.07 41.91176471 3.24 43.38235294 3.25 44.85294118 3.34 46.32352941 3.4 47.79411765 3.4445 49.26470588 3.51 50.73529412 3.5192 52.20588235 3.6022 53.67647059 3.6603 55.14705882 3.8263 56.61764706 4.0587 58.08823529 4.36 59.55882353 4.3658 61.02941176 4.6314 62.5 4.96 63.97058824 5.23 65.44117647 5.2788 66.91176471 5.312 68.38235294 5.34 69.85294118 5.65 71.32352941 5.7021 72.79411765 5.7685 74.26470588 5.9096 75.73529412 6.0424 77.20588235 6.3993 78.67647059 6.45 80.14705882 6.77 81.61764706 6.9969 83.08823529 7.1048 84.55882353 7.2293 86.02941176 7.3 87.5 7.3289 88.97058824 7.4451 90.44117647 8.02 91.91176471 8.226044431 93.38235294 8.2834 94.85294118 8.549 96.32352941 9.5616 97.79411765 9.7442 99.26470588 10.81100 200 300 400 500 600 

### COD (mg/L) Residual Plot

0 5 10 15

0 200 400 600 

### COD (mg/L) Line Fit Plot

Daily Min DO (mg/L) Predicted Daily Min DO (mg/L)

0 5 10 15

0 20 40 60 80 100 120 

### Normal Probability PlotDateCOD (mg/L)Daily Min DO (mg/L) 11/27/2001 99 9.56 11/28/2001 99 8.28 11/29/2001 98 5.77 11/30/2001 170 7.45 1/24/2002 20 7.10 1/30/2002 154 3.52 1/31/2002 112 3.66 2/1/2002 98 3.44 2/2/2002 60 3.60 2/3/2002 84 1.88 2/4/2002 62 2.85 2/5/2002 62 5.70 3/24/2002 126 4.37 3/28/2002 22 7.00 3/29/2002 35 7.33 3/30/2002 78 8.23 3/31/2002 69 6.40 4/1/2002 89 6.04 4/2/2002 74 9.74 4/3/2002 77 8.55 4/4/2002 69 7.23 4/5/2002 42 5.91 4/6/2002 46 5.28 4/7/2002 80 4.63 4/8/2002 165 1.40 4/18/2002 86 5.23 4/19/2002 79 5.65 4/20/2002 25 6.77 4/21/2002 95 8.02 4/22/2002 66 4.36 4/23/2002 148 3.25 4/24/2002 126 2.66 4/25/2002 104 0.14 4/26/2002 59 3.51 4/27/2002 62 3.34 4/28/2002 69 1.68 4/29/2002 68 0.42 4/30/2002 59 0.22 5/4/2002 150 0.14 5/5/2002 64 0.13 5/6/2002 149 0.14 5/7/2002 128 0.33 5/8/2002 119 1.75 7/1/2002 30 0.86 7/8/2002 56 4.96 7/11/2002 17 3.24 7/18/2002 23 0.27 8/8/2002 12 3.07 8/12/2002 33 1.24 8/15/2002 48 1.89 8/26/2002 32 0.998/29/2002 12 1.39 9/6/2002 5 1.25 9/9/2002 29 1.66 9/12/2002 6 1.76 10/4/2002 21 3.40 10/24/2002 2 7.30SUMMARY OUTPUT

Regression Statistics Multiple R 0.015221193 R Square 0.000231685 Adjusted R Square -0.017945921 Standard Error 2.806152112 Observations 57

ANOVA df SS MS Regression 1 0.100365194 0.100365194 Residual 55 433.0969323 7.874489678 Total 56 433.1972975

Coefficients Standard Error t Stat Intercept 4.032686523 0.713080342 5.655304577 COD (mg/L) -0.000961711 0.008518522 -0.112896468

RESIDUAL OUTPUT

Observation Predicted Daily Min DO (mg/L) Residuals Standard Residuals 1 3.937477129 5.624122871 2.022349723 2 3.937477129 4.345922871 1.56272829 3 3.93843884 1.83006116 0.65806238 4 3.869195645 3.575904355 1.28584125 5 4.013452302 3.091347698 1.111601987 6 3.884583022 -0.365383022 -0.131386221 7 3.924974886-0.264674886 -0.095173095 8 3.93843884 -0.49393884 -0.177612954 9 3.97498386 -0.37278386 -0.134047451 10 3.951902795-2.067802795 -0.743550685 11 3.973060438-1.126160438 -0.404950301 12 3.973060438 1.729039562 0.621736537 13 3.911510931 0.454289069 0.163355495 14 4.01152888 2.98537112 1.073494409 15 3.999026636 3.329873364 1.197372218 16 3.957673061 4.26837137 1.53484194 17 3.966328461 2.432971539 0.874859855 18 3.94709424 2.09530576 0.753440336 19 3.961519906 5.782680094 2.079364508 20 3.958634772 4.590365228 1.650626073 21 3.966328461 3.262971539 1.173315331 22 3.992294659 1.917305341 0.689434071 23 3.988447815 1.290352185 0.463991176 24 3.955749639 0.675650361 0.242953675 25 3.8740042 -2.4713042 -0.888643701 26 3.949979373 1.280020627 0.460276104 27 3.95671135 1.69328865 0.60888104928 4.008643747 2.761356253 0.992942043 29 3.941323974 4.078676026 1.466630357 30 3.969213594 0.390786406 0.140520895 31 3.890353288-0.640353288 -0.23026138 32 3.911510931 -1.251510931 -0.450024447 33 3.932668574-3.792668574 -1.363786393 34 3.975945571 -0.465945571 -0.167546997 35 3.973060438-0.633060438 -0.227638981 36 3.966328461 -2.286328461 -0.822129217 37 3.967290172 -3.547290172 -1.275552022 38 3.975945571 -3.755945571 -1.350581355 39 3.888429866-3.748429866 -1.347878821 40 3.971137016-3.841137016 -1.381214913 41 3.889391577-3.749391577 -1.348224637 42 3.909587509-3.579587509 -1.287165657 43 3.918242908-2.168242908 -0.779667434 44 4.003835192 -3.143835192 -1.130475698 45 3.978830704 0.981169296 0.352813674 46 4.016337435 -0.776337435 -0.279159228 47 4.010567169 -3.740567169 -1.345051513 48 4.021145991 -0.951145991 -0.342017747 49 4.000950059-2.760950059 -0.992795982 50 3.986524393-2.096524393 -0.753878538 51 4.00191177 -3.01191177 -1.083038026 52 4.021145991 -2.631145991 -0.946120397 53 4.027877968-2.777877968 -0.998883002 54 4.004796903-2.344796903 -0.843153586 55 4.026916257-2.266916257 -0.815148881 56 4.012490591 -0.612490591 -0.220242375 57 4.030763101 3.269236899 1.17556826F Significance F 0.012745612 0.910523702

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 5.75945E-07 2.603641935 5.4617311122.6036419355.461731112 0.910523702 -0.018033206 0.016109784-0.0180332060.016109784

PROBABILITY OUTPUT

Percentile Daily Min DO (mg/L) 0.877192982 0.13 2.631578947 0.14 4.385964912 0.14 6.140350877 0.14 7.894736842 0.22 9.649122807 0.27 11.40350877 0.33 13.15789474 0.42

14.9122807 0.86 16.66666667 0.99 18.42105263 1.24

20.1754386 1.25 21.92982456 1.39 23.68421053 1.4027 25.43859649 1.66 27.19298246 1.68 28.94736842 1.75 30.70175439 1.76 32.45614035 1.8841 34.21052632 1.89 35.96491228 2.66 37.71929825 2.8469 39.47368421 3.07 41.22807018 3.24 42.98245614 3.25 44.73684211 3.34 46.49122807 3.4 -5 0 5 10

048.24561404 3.4445 50 3.51 51.75438596 3.5192 53.50877193 3.6022 55.26315789 3.6603 57.01754386 4.36 58.77192982 4.3658 60.52631579 4.6314 62.28070175 4.96 64.03508772 5.23 65.78947368 5.2788 67.54385965 5.65 69.29824561 5.7021 71.05263158 5.7685 72.80701754 5.9096 74.56140351 6.0424 76.31578947 6.3993 78.07017544 6.77

79.8245614 6.9969 81.57894737 7.1048 83.33333333 7.2293

85.0877193 7.3 86.84210526 7.3289 88.59649123 7.4451 90.35087719 8.02 92.10526316 8.226044431 93.85964912 8.2834 95.61403509 8.549 97.36842105 9.5616 99.12280702 9.744250 100 150 200 

### COD (mg/L) Residual Plot

0 5 10 15

0 100 200 

### COD (mg/L) Line Fit Plot

Daily Min DO (mg/L) Predicted Daily Min DO (mg/L)

0 5 10 15

0 20 40 60 80 100 120 

### Normal Probability PlotDateCOD (mg/L)Daily Min DO (mg/L) 1/25/2002 325 3.83 1/26/2002 414 5.31 1/29/2002 226 4.06 3/22/2002 342 2.37 3/23/2002 230 0.52 4/9/2002 292 0.26 5/1/2002 277 0.54 5/2/2002 217 6.45 5/3/2002 219 0.14 10/27/2002 284 5.34 10/31/2002 500 10.81SUMMARY OUTPUT

Regression Statistics Multiple R 0.636230557 R Square 0.404789321 Adjusted R Square 0.338654802 Standard Error 2.694823698 Observations 11

ANOVA df SS MS F Regression 144.44895529 44.448955296.120696459 Residual 965.35867287 7.262074763 Total 10109.8076282

Coefficients Standard Error t Stat P-value Intercept -3.524387522.993228615 -1.1774535040.269212445 COD (mg/L) 0.0235716360.009527727 2.4740041350.035337362

RESIDUAL OUTPUT

Observation Predicted Daily Min DO (mg/L) Residuals Standard Residuals 1 4.136394315-0.310094315 -0.121294803 2 6.234269956-0.922269956 -0.360750091 3 1.80280231 2.25589769 0.882404648 4 4.537112134-2.163312134 -0.846189386 5 1.897088856-1.374188856 -0.537520225 6 3.358530314-3.101230314 -1.213060351 7 3.004955767-2.464955767 -0.964178666 8 1.5906575824.859342418 1.900753901 9 1.637800855-1.497800855 -0.585871621 10 3.1699572222.170042778 0.848822108 11 8.2614306882.548569312 0.996884485Significance F 0.035337362

Lower 95% Upper 95% Lower 95.0%Upper 95.0% -10.29554623 3.246771192-10.295546233.246771192 0.002018404 0.0451248690.0020184040.045124869

PROBABILITY OUTPUT

Percentile Daily Min DO (mg/L) 4.545454545 0.14 13.63636364 0.2573 22.72727273 0.5229 31.81818182 0.54 40.90909091 2.3738 50 3.8263 59.09090909 4.0587 68.18181818 5.312 77.27272727 5.34 86.36363636 6.45 95.45454545 10.81 -4 -2 0 2 4 6

0 100 

### COD

0 5 10 15

0200 300 400 500 600 

### D (mg/L) Residual Plot

200 400 600 

### COD (mg/L) Line Fit Plot

Daily Min DO (mg/L) Predicted Daily Min DO (mg/L)

0 5 10 15

0 20 40 60 80 100 120 

### Normal Probability PlotDateCOD (mg/L)Daily Average DO (mg/L) 11/27/2001 99 10.38 11/28/2001 99 9.57 11/29/2001 98 8.32 11/30/2001 170 9.02 1/24/2002 20 9.68 1/25/2002 325 7.13 1/26/2002 414 8.78 1/29/2002 226 6.45 1/30/2002 154 6.26 1/31/2002 112 5.75 2/1/2002 98 6.23 2/2/2002 60 6.01 2/3/2002 84 5.31 2/4/2002 62 6.43 2/5/2002 62 7.59 3/22/2002 342 5.39 3/23/2002 230 4.09 3/24/2002 126 5.20 3/28/2002 22 9.05 3/29/2002 35 9.24 3/30/2002 78 9.69 3/31/2002 69 9.20 4/1/2002 89 8.72 4/2/2002 74 10.89 4/3/2002 77 9.97 4/4/2002 69 9.60 4/5/2002 42 8.84 4/6/2002 46 8.16 4/7/2002 80 7.73 4/8/2002 165 5.62 4/9/2002 292 3.32 4/18/2002 86 7.78 4/19/2002 79 8.49 4/20/2002 25 9.10 4/21/2002 95 9.14 4/22/2002 66 8.50 4/23/2002 148 7.20 4/24/2002 126 6.89 4/25/2002 104 6.20 4/26/2002 59 6.59 4/27/2002 62 6.72 4/28/2002 69 6.71 4/29/2002 68 5.78 4/30/2002 59 5.51 5/1/2002 277 6.93 5/2/2002 217 8.29 5/3/2002 219 6.64 5/4/2002 150 4.28 5/5/2002 64 4.46 5/6/2002 149 4.40 5/7/2002 128 4.365/8/2002 119 6.51 7/1/2002 30 3.79 7/8/2002 56 6.26 7/11/2002 17 4.58 7/18/2002 23 1.66 8/8/2002 12 5.04 8/12/2002 33 4.58 8/15/2002 48 4.67 8/26/2002 32 3.56 8/29/2002 12 3.84 9/6/2002 5 4.71 9/9/2002 29 4.59 9/12/2002 6 5.42 10/4/2002 21 6.74 10/24/2002 2 9.71 10/27/2002 284 7.98 10/31/2002 500 11.58SUMMARY OUTPUT

Regression Statistics Multiple R 0.131705253 R Square 0.017346274 Adjusted R Square 0.002457581 Standard Error 2.126546365 Observations 68

ANOVA df SS MS Regression 1 5.268649869 5.268649869 Residual 66 298.4651632 4.522199442 Total 67 303.7338131

Coefficients Standard Error t Stat Intercept 6.561724496 0.381040648 17.22053678 COD (mg/L) 0.002783085 0.002578408 1.079381109

RESIDUAL OUTPUT

Observation Predicted Daily Average DO (mg/L) Residuals Standard Residuals 1 6.837249948 3.547001094 1.680551787 2 6.837249948 2.732390677 1.294593352 3 6.834466863 1.483948762 0.703087673 4 7.03484901 1.986818699 0.941344991 5 6.617386203 3.060251607 1.449932258 6 7.466227243-0.337910576 -0.16010038 7 7.713921841 1.064144902 0.504186655 8 7.190701791 -0.737836842 -0.349583491 9 6.990319644-0.726240477 -0.344089189 10 6.873430058-1.124815474 -0.532932076 11 6.834466863-0.608169988 -0.288147968 12 6.728709618-0.718645035 -0.340490506 13 6.795503667-1.487826584 -0.704924966 14 6.734275789-0.307049747 -0.14547867 15 6.734275789 0.851747637 0.403553868 16 7.513539694-2.125888653 -1.007235656 17 7.201834132 -3.111922674 -1.474413757 18 6.912393253-1.714604711 -0.812371334 19 6.622952374 2.424843 1.148878765 20 6.659132484 2.581370681 1.223040816 21 6.778805155 2.907179812 1.37740759 22 6.753757387 2.441471174 1.156757113 23 6.809419094 1.907254142 0.903647693 24 6.767672814 4.12525701 1.954526614 25 6.77602207 3.195267952 1.513902343 26 6.753757387 2.841994219 1.346522974 27 6.678614082 2.157168209 1.02205575728 6.689746423 1.468915948 0.695965199 29 6.784371326 0.941362433 0.446012921 30 7.020933583-1.396711446 -0.661755058 31 7.374385425-4.050259016 -1.918992931 32 6.801069838 0.977003389 0.462899432 33 6.78158824 1.707099149 0.808815236 34 6.63130163 2.467713637 1.169190663 35 6.826117606 2.311870301 1.095352852 36 6.745408131 1.758788167 0.83330524 37 6.973621131 0.228124155 0.10808411 38 6.912393253-0.022852416 -0.010827363 39 6.851165375-0.646828206 -0.306464043 40 6.725926533-0.139079198 -0.065895045 41 6.734275789-0.013836471 -0.006555653 42 6.753757387-0.040546774 -0.019210864 43 6.750974301 -0.969899348 -0.459533572 44 6.725926533-1.214907811 -0.575617385 45 7.332639145-0.406025098 -0.192372707 46 7.165654022 1.121790613 0.531498911 47 7.171220193-0.533586407 -0.252810632 48 6.979187302 -2.695531589 -1.277129696 49 6.73984196 -2.27541986 -1.078082811 50 6.976404217-2.574713071 -1.219886473 51 6.917959424-2.556411026 -1.211215053 52 6.892911655-0.378717515 -0.179434508 53 6.645217057-2.858223323 -1.354212244 54 6.717577277-0.456781967 -0.216421064 55 6.609036947 -2.02862028 -0.961150377 56 6.625735459-4.963860459 -2.351852831 57 6.59512152 -1.55262152 -0.73562449 58 6.653566313-2.073697876 -0.982507921 59 6.695312594-2.025500256 -0.959672124 60 6.650783228-3.089842281 -1.463952175 61 6.59512152 -2.755536222 -1.305559598 62 6.575639923-1.862286096 -0.882342053 63 6.642433972 -2.056159943 -0.974198534 64 6.578423008-1.163325249 -0.551177819 65 6.620169289 0.120545697 0.057113962 66 6.567290666 3.143251314 1.489257114 67 7.352120742 0.626108424 0.296647112 68 7.953267184 3.622008682 1.716090016F Significance F 1.165063579 0.284346712

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 4.15604E-26 5.800952571 7.3224964215.8009525717.322496421 0.284346712 -0.002364871 0.007931042-0.0023648710.007931042

PROBABILITY OUTPUT

Percentile Daily Average DO (mg/L) 0.735294118 1.661875 2.205882353 3.324126409 3.676470588 3.560940947 5.147058824 3.786993734 6.617647059 3.839585298 8.088235294 4.089911458 9.558823529 4.283655713 11.02941176 4.361548398 12.5 4.401691145 13.97058824 4.4644221 15.44117647 4.579868437 16.91176471 4.580416667 18.38235294 4.586274029 19.85294118 4.669812337 21.32352941 4.713353827 22.79411765 5.0425 24.26470588 5.197788542 25.73529412 5.307677083 27.20588235 5.387651042 28.67647059 5.415097759 30.14705882 5.511018722 31.61764706 5.624222137 33.08823529 5.748614583 34.55882353 5.781074953 36.02941176 6.010064583 37.5 6.204337169 38.97058824 6.22629687540.44117647 6.260795309 41.91176471 6.264079167 43.38235294 6.427226042 44.85294118 6.452864948 46.32352941 6.514194141 47.79411765 6.586847334 49.26470588 6.637633786 50.73529412 6.713210612 52.20588235 6.720439318 53.67647059 6.740714985 55.14705882 6.889540837 56.61764706 6.926614047 58.08823529 7.128316667 59.55882353 7.201745287 61.02941176 7.586023426 62.5 7.725733759 63.97058824 7.778073227 65.44117647 7.978229167 66.91176471 8.158662371 68.38235294 8.287444635 69.85294118 8.318415625 71.32352941 8.48868739 72.79411765 8.504196298 74.26470588 8.716673237 75.73529412 8.778066744 77.20588235 8.835782291 78.67647059 9.021667708 80.14705882 9.047795374 81.61764706 9.099015267 83.08823529 9.137987908 84.55882353 9.195228561 86.02941176 9.240503165 87.5 9.569640625 88.97058824 9.595751606 90.44117647 9.677637811 91.91176471 9.685984967 93.38235294 9.71054198 94.85294118 9.971290021 96.32352941 10.38425104 97.79411765 10.89292982 99.26470588 11.57527587-6 -4 -2 0 2 4 6

0 200 400 600 

### COD (mg/L) Residual Plot

0 5 10 15

0 200 400 600 

### COD (mg/L) Line Fit Plot

Daily Average DO (mg/L)

Predicted Daily Average DO (mg/L)

0 5 10 15

0 20 40 60 80 100 120 

### Normal Probability PlotDateCOD (mg/L)Daily Average DO (mg/L) 11/27/2001 99 10.38 11/28/2001 99 9.57 11/29/2001 98 8.32 11/30/2001 170 9.02 1/24/2002 20 9.68 1/30/2002 154 6.26 1/31/2002 112 5.75 2/1/2002 98 6.23 2/2/2002 60 6.01 2/3/2002 84 5.31 2/4/2002 62 6.43 2/5/2002 62 7.59 3/24/2002 126 5.20 3/28/2002 22 9.05 3/29/2002 35 9.24 3/30/2002 78 9.69 3/31/2002 69 9.20 4/1/2002 89 8.72 4/2/2002 74 10.89 4/3/2002 77 9.97 4/4/2002 69 9.60 4/5/2002 42 8.84 4/6/2002 46 8.16 4/7/2002 80 7.73 4/8/2002 165 5.62 4/18/2002 86 7.78 4/19/2002 79 8.49 4/20/2002 25 9.10 4/21/2002 95 9.14 4/22/2002 66 8.50 4/23/2002 148 7.20 4/24/2002 126 6.89 4/25/2002 104 6.20 4/26/2002 59 6.59 4/27/2002 62 6.72 4/28/2002 69 6.71 4/29/2002 68 5.78 4/30/2002 59 5.51 5/4/2002 150 4.28 5/5/2002 64 4.46 5/6/2002 149 4.40 5/7/2002 128 4.36 5/8/2002 119 6.51 7/1/2002 30 3.79 7/8/2002 56 6.26 7/11/2002 17 4.58 7/18/2002 23 1.66 8/8/2002 12 5.04 8/12/2002 33 4.58 8/15/2002 48 4.67 8/26/2002 32 3.568/29/2002 12 3.84 9/6/2002 5 4.71 9/9/2002 29 4.59 9/12/2002 6 5.42 10/4/2002 21 6.74 10/24/2002 2 9.71SUMMARY OUTPUT

Regression Statistics Multiple R 0.078939976 R Square 0.00623152 Adjusted R Square -0.011836998 Standard Error 2.13336376 Observations 57

ANOVA df SS MS Regression 1 1.569644414 1.569644414 Residual 55 250.3182513 4.551240933 Total 56 251.8878957

Coefficients Standard Error t Stat Intercept 6.574273774 0.542115929 12.12706253 COD (mg/L) 0.00380324 0.006476166 0.587267174

RESIDUAL OUTPUT

Observation Predicted Daily Average DO (mg/L) Residuals Standard Residuals 1 6.950794489 3.433456552 1.623974896 2 6.950794489 2.618846136 1.238676044 3 6.94699125 1.371424375 0.648663737 4 7.220824497 1.800843211 0.851772586 5 6.650338565 3.027299246 1.431868411 6 7.159972665-0.895893498 -0.423744564 7 7.000236603 -1.25162202 -0.591998969 8 6.94699125-0.720694375 -0.340877933 9 6.802468147-0.792403563 -0.374795334 10 6.893745896-1.586068813 -0.750187427 11 6.810074626-0.382848584 -0.181081799 12 6.810074626 0.7759488 0.36701247 13 7.053481957-1.855693415 -0.877715933 14 6.657945044 2.38985033 1.130364367 15 6.707387158 2.533116007 1.198126943 16 6.870926459 2.815058509 1.331481636 17 6.836697303 2.358531258 1.115550902 18 6.912762094 1.803911143 0.853223673 19 6.8557135 4.037216323 1.909544466 20 6.867123219 3.104166802 1.468225645 21 6.836697303 2.759054303 1.304992464 22 6.734009835 2.101772456 0.994107732 23 6.749222793 1.409439578 0.666644374 24 6.878532938 0.847200821 0.400713638 25 7.2018083-1.577586163 -0.746175257 26 6.901352375 0.876720852 0.414676182 27 6.874729698 1.613957692 0.7633784628 6.669354762 2.429660505 1.149193999 29 6.935581531 2.202406377 1.041706109 30 6.825287584 1.678908714 0.794099346 31 7.137153227 0.06459206 0.030551103 32 7.053481957 -0.16394112 -0.07754176 33 6.969810687-0.765473518 -0.362057815 34 6.798664907-0.211817573 -0.100186624 35 6.810074626-0.089635308 -0.042396194 36 6.836697303 -0.12348669 -0.058407404 37 6.832894063 -1.05181911 -0.497495105 38 6.798664907-1.287646185 -0.609037874 39 7.144759706-2.861103993 -1.353260479 40 6.817681105 -2.353259005 -1.113057203 41 7.140956467-2.739265321 -1.295632564 42 7.061088436-2.699540039 -1.276843084 43 7.02685928 -0.51266514 -0.242483137 44 6.68837096-2.901377226 -1.372309131 45 6.787255189 -0.526459879 -0.249007848 46 6.638928846-2.058512179 -0.973646252 47 6.661748283-4.999873283 -2.364867174 48 6.619912648-1.577412648 -0.746093187 49 6.699780679 -2.119912241 -1.002687586 50 6.756829272 -2.087016935 -0.987128585 51 6.695977439 -3.135036493 -1.482826558 52 6.619912648 -2.78032735 -1.315054305 53 6.593289971 -1.879936145 -0.889182391 54 6.684567721 -2.098293692 -0.992462327 55 6.597093211 -1.181995452 -0.559066618 56 6.654141804 0.086573181 0.040947853 57 6.581880253 3.128661727 1.479811387F Significance F 0.344882734 0.559427536

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 3.58839E-17 5.487849441 7.6606981075.4878494417.660698107 0.559427536 -0.009175283 0.016781763-0.0091752830.016781763

PROBABILITY OUTPUT

Percentile Daily Average DO (mg/L) 0.877192982 1.661875 2.631578947 3.560940947 4.385964912 3.786993734 6.140350877 3.839585298 7.894736842 4.283655713 9.649122807 4.361548398 11.40350877 4.401691145 13.15789474 4.4644221

14.9122807 4.579868437 16.66666667 4.580416667 18.42105263 4.586274029

20.1754386 4.669812337 21.92982456 4.713353827 23.68421053 5.0425 25.43859649 5.197788542 27.19298246 5.307677083 28.94736842 5.415097759 30.70175439 5.511018722 32.45614035 5.624222137 34.21052632 5.748614583 35.96491228 5.781074953 37.71929825 6.010064583 39.47368421 6.204337169 41.22807018 6.226296875 42.98245614 6.260795309 44.73684211 6.264079167 46.49122807 6.42722604248.24561404 6.514194141 50 6.586847334 51.75438596 6.713210612 53.50877193 6.720439318 55.26315789 6.740714985 57.01754386 6.889540837 58.77192982 7.201745287 60.52631579 7.586023426 62.28070175 7.725733759 64.03508772 7.778073227 65.78947368 8.158662371 67.54385965 8.318415625 69.29824561 8.48868739 71.05263158 8.504196298 72.80701754 8.716673237 74.56140351 8.835782291 76.31578947 9.021667708 78.07017544 9.047795374

79.8245614 9.099015267 81.57894737 9.137987908 83.33333333 9.195228561

85.0877193 9.240503165 86.84210526 9.569640625 88.59649123 9.595751606 90.35087719 9.677637811 92.10526316 9.685984967 93.85964912 9.71054198 95.61403509 9.971290021 97.36842105 10.38425104 99.12280702 10.89292982-6 -4 -2 0 2 4 6

0 50 100 150 200 

### COD (mg/L) Residual Plot

0 5 10 15

0 100 200 

### COD (mg/L) Line Fit Plot

Daily Average DO (mg/L)

Predicted Daily Average DO (mg/L)

0 5 10 15

0 20 40 60 80 100 120 

### Normal Probability PlotDateCOD (mg/L)Daily Average DO (mg/L) 1/25/2002 325 7.13 1/26/2002 414 8.78 1/29/2002 226 6.45 3/22/2002 342 5.39 3/23/2002 230 4.09 4/9/2002 292 3.32 5/1/2002 277 6.93 5/2/2002 217 8.29 5/3/2002 219 6.64 10/27/2002 284 7.98 10/31/2002 500 11.58SUMMARY OUTPUT

Regression Statistics Multiple R 0.607811015 R Square 0.36943423 Adjusted R Square 0.299371367 Standard Error 1.90367834 Observations 11

ANOVA df SS MS Regression 1 19.10893081 19.10893081 Residual 9 32.61592098 3.62399122 Total 10 51.72485179

Coefficients Standard Error t Stat Intercept 2.287440127 2.11447765 1.081799151 COD (mg/L) 0.01545529 0.006730581 2.296278849

RESIDUAL OUTPUT

Observation Predicted Daily Average DO (mg/L) Residuals Standard Residuals 1 7.310409263-0.182092596 -0.100827144 2 8.685930041 0.092136702 0.051017343 3 5.780335588 0.672529361 0.372388642 4 7.573149187-2.185498145 -1.210140008 5 5.842156746-1.752245288 -0.970242016 6 6.800384704-3.476258295 -1.924851435 7 6.56855536 0.358058687 0.198261958 8 5.641237981 2.646206654 1.465240567 9 5.67214856 0.965485226 0.534602283 10 6.676742387 1.301486779 0.720650907 11 10.01508495 1.560190915 0.863898901F Significance F 5.272896551 0.047286421

P-value Lower 95% Upper 95% Lower 95.0%Upper 95.0% 0.307474186 -2.49584428 7.070724534-2.495844287.070724534 0.047286421 0.000229647 0.0306809320.0002296470.030680932

PROBABILITY OUTPUT

Percentile Daily Average DO (mg/L) 4.545454545 3.324126409 13.63636364 4.089911458 22.72727273 5.387651042 31.81818182 6.452864948 40.90909091 6.637633786 50 6.926614047 59.09090909 7.128316667 68.18181818 7.978229167 77.27272727 8.287444635 86.36363636 8.778066744 95.45454545 11.57527587-4 -2 0 2 4

0 200 400 600Residuals

COD (mg/L) 

### COD (mg/L) Residual Plot

0 5 10 15

0 200 400 600 

### COD (mg/L) Line Fit Plot

Daily Average DO (mg/L)

Predicted Daily Average DO (mg/L)

0 5 10 15

0 20 40 60 80 100 120 

### Normal Probability Plot