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Orenco Systems Inc. March 2002 <br /> AdvanTex AX 10 Test Report <br /> Table 3: Effluent Colour <br /> Parameter 26-Jan-01 9-Mar-01 26-Oct-01 14-Nov-01 <br /> Colour (apparent) 8 13 5 14 <br /> pH 6.9 6.7 6.4 6.0 <br /> Notes: Colour Units in PtCo <br /> L. <br /> 2.4.2 Odour <br /> Effluent samples were diluted 1000:1 and evaluated for odour. The evaluation was <br /> performed by 5 individuals, who rated 200 ml aliquots of the diluted effluent as either <br /> Odour Detected or Odour Non-Detected. If odour was detected, the effluent was rated as <br /> Odour Offensive or Odour Non Offensive. <br /> The results of the odour panels are presented in Table 4. <br /> Table 4: Effluent Odour Test Results <br /> Evaluator Blank Jan. 26, Mar. 9, Oct. 26, Nov. 14, <br /> Number (distilled 2001 2001 2001 2001 <br /> water) <br /> 1 ND ND ND ND ND <br /> 2 ND ND D/O (mildly) ND D/O (mildly) <br /> ` 3 ND ND D/NO ND ND <br /> 4 ND ND ND ND ND <br /> 5 ND ND ND ND ND <br /> Notes: ND= No odour detected <br /> D = Odour detected <br /> O= Odour offensive <br /> NO= Odour non-offensive <br /> NovaTec Consultants Inc. Page 12 of 38 <br />