SCHEDULE 3

PART II REFERENCE METHODS FOR MONITORING AND EVALUATION OF RESULTS

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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

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