15 Oro Beach Drive, Oroville, WA 98844Tel: 800-641-1726 Email: info@phiwater.com

APPENDIX A

MONROE (WI) ANOXIC TANK PERFORMANCE TESTFebruary 25, 2015

SampleLocation Depth D. O. (Mg/L) TSS (Mg/L) TSS Cv .

Pass = < 0.2 Pass = < 0.1 (10%)1 TOP 0.04 3401 MID 0.04 352 0.019 (1.9%)1 BOT 0.01 344

2 TOP 0.03 3592 MID 0.00 358 0.022 (2.2%)2 BOT 0.00 351

3 TOP 0.03 3533 MID 0.00 352 0.006 (0.6%)3 BOT 0.00 349

4 TOP 0.04 3494 MID 0.01 343 0.010 (1.0%)4 BOT 0.00 349

5 TOP 0.03 3655 MID 0.01 356 0.014 (1.4%)5 BOT 0.00 365

6 TOP 0.03 3526 MID 0.01 350 0.003 (0.3%)6 BOT 0.00 350

7 TOP 0.03 3547 MID 0.01 356 0.007 (0.7%)7 BOT 0.00 361

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Anoxic Basin - 130 diameter x 14 ‘ depthPHI Equipment – Two Model PHI 300 Mixing Valve Enclosures (each equippedwith 4 valves) and there are 16 bubble forming plates in the basin.Mixing rate: At time of test system was set on “High” 3 pulses per minute / valve.Mixing HP used when PHI system set on “High” = 18 HP Total.