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Orenco Systems Inc. March 2002 <br /> AdvanTex AX10 Test Report <br /> Table 1: AdvanTex"^ AX10 Dosage <br /> AX10 Plant AX10 Plant <br /> Dosage Dosage Dosage <br /> Period <br /> (/o d daily) (gallons) (gallons) <br /> — <br /> @ 500 gpd @ 400 gpd <br /> #1: 6:00 to 9:00 am 35 175 140 <br /> #2: 11:00 am to 2:00 pm 25 125 100 <br /> #3: 5:00 to 8:00 pm 40 200 160 <br /> 2.3 Stress Testing <br /> _ The NSF/ANSI Standard 40 protocol includes four stress scenarios (described in <br /> Appendix A), which were applied to the AdvanTexT"AX10 plant for each flow rate as <br /> described in Table 2. <br /> Table 2: Stress Testing Periods <br /> STRESS TEST @ 500 gpd @ 400 gpd <br /> Wash-Day Stress February 5th to 91h, 2001 September 10th to 14th <br /> Working-Parent Stress February 17'h to 21", 2001 September 22nd to 26'h <br /> Power Failure Stress March 1' to 3rd, 2001 October 4th to 61h <br /> Vacation Stress March 11th to 20`" , 2001 October 14th to 23`d <br /> 2.4 Colour, Odour, Oil and Foam <br /> 2.4.1 Colour <br /> Effluent samples were diluted 1000:1. Following dilution, colour was measured with a <br /> Hach DR2000 spectrophotometer using the Hach APHA Platinum-Cobalt Standard <br /> Method, adapted from APHA Standard Methods for the Examination of Water and <br /> Wastewater. <br /> The results are presented in Table 3. <br /> Nova Tec Consultants Inc. Page 11 of 38 <br />