Part II MINIMUM ANNUAL FREQUENCY OF SAMPLING FOR EACH PARAMETER
| Population served | Classification DW1 | Classification DW2 | Classification DW3 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Af1 | Bf2 | Cf3 | Df4 | Ef5 | Ff6 | G | Hf7 | J | |
1 This column applies to the parameters—coloration, temperature and nitrates. | |||||||||
2 This column applies to the parameters—dissolved iron, copper, zinc, sulphates and phenols. | |||||||||
3 This column applies to the parameters—fluorides, arsenic, cadmium, total chromium, lead, selenium, mercury, barium, cyanide, dissolved or emulsified hydrocarbons, polycyclic aromatic hydrocarbons and total pesticides. | |||||||||
4 This column applies to the parameters—coloration, temperature, nitrates and ammonium. | |||||||||
5 This column applies to dissolved iron, zinc, sulphates and phenols. | |||||||||
6 This column applies to the parameters—arsenic, cadmium, total chromium, lead, selenium, mercury, barium, cyanide, dissolved or emulsified hydrocarbons, polycyclic aromatic hydrocarbons and total pesticides. | |||||||||
7 This column applies to the parameters—zinc, sulphates and phenols. | |||||||||
| ≤10,000 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 |
| >10,000 to ≤30,000 | 1 | 1 | 1 | 2 | 1 | 1 | 3 | 1 | 1 |
| >30,000 to ≤100,000 | 2 | 1 | 1 | 4 | 2 | 1 | 6 | 2 | 1 |
| >100,000 | 3 | 2 | 1 | 8 | 4 | 1 | 12 | 4 | 1 |
Annotations
Footnotes
- f1
1
This column applies to the parameters—coloration, temperature and nitrates.
- f2
2
This column applies to the parameters—dissolved iron, copper, zinc, sulphates and phenols.
- f3
3
This column applies to the parameters—fluorides, arsenic, cadmium, total chromium, lead, selenium, mercury, barium, cyanide, dissolved or emulsified hydrocarbons, polycyclic aromatic hydrocarbons and total pesticides.
- f4
4
This column applies to the parameters—coloration, temperature, nitrates and ammonium.
- f5
5
This column applies to dissolved iron, zinc, sulphates and phenols.
- f6
6
This column applies to the parameters—arsenic, cadmium, total chromium, lead, selenium, mercury, barium, cyanide, dissolved or emulsified hydrocarbons, polycyclic aromatic hydrocarbons and total pesticides.
- f7
7
This column applies to the parameters—zinc, sulphates and phenols.