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NR 810.46(4)(c)1.1. Water suppliers for the systems shall monitor their UV reactors to determine if the reactors are operating within validated conditions, as determined under par. (b). This monitoring shall include UV intensity as measured by a UV sensor, flow rate, lamp status, and other parameters the department designates based on UV reactor operation. Water suppliers for the systems shall verify the calibration of UV sensors and shall recalibrate sensors in accordance with a protocol the department approves.
NR 810.46(4)(c)2. 2. To receive treatment credit for UV light, systems shall treat at least 99.9% of the water delivered to the public during each month by UV reactors operating within validated conditions for the required UV dose, as described in pars. (a) and (b). Systems shall demonstrate compliance with this condition by the monitoring required under subd. 1.
NR 810.47 NR 810.47 CT table for giardia when using free chlorine at 0.5 °C or lower.
- See PDF for diagram PDF
NR 810.47 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.48 NR 810.48 CT table for giardia when using free chlorine at 5 °C.
- See PDF for diagram PDF
NR 810.48 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.49 NR 810.49 CT table for giardia when using free chlorine at 10 °C.
- See PDF for diagram PDF
NR 810.49 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.50 NR 810.50 CT table for giardia when using free chlorine at 15 °C.
- See PDF for diagram PDF
NR 810.50 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.51 NR 810.51 CT table for giardia when using free chlorine at 20 °C.
- See PDF for diagram PDF
NR 810.51 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.52 NR 810.52 CT table for giardia when using free chlorine at 25 °C.
- See PDF for diagram PDF
NR 810.52 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.53 NR 810.53 CT table for viruses when using free chlorine. - See PDF for table PDF
NR 810.53 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.54 NR 810.54 CT table for Giardia lamblia when using chlorine dioxide. - See PDF for table PDF
NR 810.54 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.55 NR 810.55 CT table for viruses when using chlorine dioxide. - See PDF for table PDF
NR 810.55 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.56 NR 810.56 CT table for Cryptosporidium when using chlorine dioxide. 1 - See PDF for table PDF
1Systems may use this equation to determine log credit between the indicated values: Log credit = (0.001506 × (1.09116)Temp) × CT.
NR 810.56 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.57 NR 810.57 CT table for Giardia lamblia when using chloramines. - See PDF for table PDF
NR 810.57 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.58 NR 810.58 CT table for viruses when using chloramines. - See PDF for table PDF
NR 810.58 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.59 NR 810.59 CT table for Giardia lamblia when using ozone. - See PDF for table PDF
NR 810.59 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.60 NR 810.60 CT table for viruses when using ozone. - See PDF for table PDF
NR 810.60 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.61 NR 810.61 CT table for Cryptosporidium when using ozone. 1 - See PDF for table PDF
1Systems may use this equation to determine log credit between the indicated values: Log credit = (0.0397 × (1.09757)Temp) × CT.
NR 810.61 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.62 NR 810.62 UV dose table for Cryptosporidium, Giardia lamblia, and viruses. - See PDF for table PDF
NR 810.62 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.