5. Extreme values for the water quality in question shall not be taken into consideration when they are the result of unusual situations such as those due to heavy rain.
TABLE 3
Series of samples taken in any year | Maximum permitted number of samples which fail to conform |
---|---|
4-7 | 1 |
8-16 | 2 |
17-28 | 3 |
29-40 | 4 |
41-53 | 5 |
54-67 | 6 |
68-81 | 7 |
82-95 | 8 |
96-110 | 9 |
111-125 | 10 |
126-140 | 11 |
141-155 | 12 |
156-171 | 13 |
172-187 | 14 |
188-203 | 15 |
204-219 | 16 |
220-235 | 17 |
236-251 | 18 |
252-268 | 19 |
269-284 | 20 |
285-300 | 21 |
301-317 | 22 |
318-334 | 23 |
335-350 | 24 |
351-365 | 25 |