sampling locality at the relevant time; and (iii) all plant and infrastructure associated with the water treatment process were operating to specification at all relevant times; and (iv) there were no issues arising from degradation of plant or infrastructure in or around the relevant water sampling locality that could reasonably be suspected to have contributed to the presence of Escherichia in the drinking coli water in that water sampling locality. A sample analysed in accordance with regulation 14 that is found, on that analysis, to contain Escherichia per 100 millilitres of drinking coli water is not a false positive sample unless all of the circumstances in paragraphs (a), (b) and (c) apply. Total One sample per Less than or equal to 025 milligrams per month litre of drinking water. Turbidity One sample The 95th percentile of results for per week samples in any 12 month period must be less than or equal to 50 Nephelometric Turbidity Units. ═══════════════
sampling locality at the relevant time; and (iii) all plant and infrastructure associated with the water treatment process were operating to specification at all relevant times; and (iv) there were no issues arising from degradation of plant or infrastructure in or around the relevant water sampling locality that could reasonably be suspected to have contributed to the presence of Escherichia coli in the drinking water in that water sampling locality. A sample analysed in accordance with regulation 14 that is found, on that analysis, to contain Escherichia coli per 100 millilitres of drinking water is not a false positive sample unless all of the circumstances in paragraphs (a), (b) and (c) apply. Total One sample per month Less than or equal to 025 milligrams per litre of drinking water. Turbidity One sample per week The 95th percentile of results for samples in any 12 month period must be less than or equal to 50 Nephelometric Turbidity Units. ═══════════════