Wis. Admin. Code Department of Natural Resources NR 810.56

Current through October 28, 2024

Section NR 810.56 - CT table for Cryptosporidium when using chlorine dioxide

1

Log credit	Water Temperature, °C
[LESS than]= 0.5	1	2	3	5	7	10	15	20	25	30
0.25	159	153	140	128	107	90	69	45	29	19	12
0.5	319	305	279	256	214	180	138	89	58	38	24
1.0	637	610	558	511	429	360	277	179	116	75	49
1.5	956	915	838	767	643	539	415	268	174	113	73
2.0	1275	1220	1117	1023	858	719	553	357	232	150	98
2.5	1594	1525	1396	1278	1072	899	691	447	289	188	122
3.0	1912	1830	1675	1534	1286	1079	830	536	347	226	147

1Systems may use this equation to determine log credit between the indicated values: Log credit = (0.001506 x (1.09116)Temp) x CT.

Wis. Admin. Code Department of Natural Resources NR 810.56

CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.