Division For inland waters
United Kingdom
| Based upon a 95‐percentile evaluation. See Annex II. | |||||
| Based upon a 90‐percentile evaluation. See Annex II. | |||||
| A | B | C | D | E | |
|---|---|---|---|---|---|
| Parameter | Excellent quality | Good quality | Sufficient | Reference methods of analysis | |
| 1 | Intestinal enterococci (cfu/100 ml) | 200f1 | 400 | 330f2 | ISO 7899-1 or ISO 7899-2 |
| 2 | Escherichia coli (cfu/100 ml) | 500 | 1 000 | 900 | ISO 9308-3 or ISO 9308-1 |
Annotations
Footnotes
- f1
-
Based upon a 95‐percentile evaluation. See Annex II.
- f2
-
Based upon a 90‐percentile evaluation. See Annex II.