Table 2.
Groundwater (a)
|
Compound (name and/or code) |
> 0.1 μg/L at 1 m depth for the representative uses(b), (c) Step 2 |
Biological (pesticidal) activity/relevance Step 3a. |
Hazard identified Steps 3b. and 3c. |
Consumer RA triggered Steps 4 and 5 |
Human health relevance |
|---|---|---|---|---|---|
| Aluminium ions |
0.638 mg/L when soil pH < 5.5 Essentially 0 when soil pH > 5.5 |
Not applicable for inorganic compounds (c) |
– |
– |
Yes |
| Ammonium | 0.427 mg/L | Not applicable for inorganic compounds (c) | – | – | – |
| Nitrate | 1.47 mg/L | Not applicable for inorganic compounds (c) | – | – | – |
| Nitrite |
Calculated maximum 1.09 mg/L, but as topsoil would be expected to remain aerobic, the majority of the ammonium will transform to nitrate and not nitrite |
Not applicable for inorganic compounds (c) | – | – | – |
| Sulfate | 4.54 mg/L | Not applicable for inorganic compounds (c) | – | – | – |
Assessment according to European Commission guidance of the relevance of groundwater metabolites (2003).
FOCUS scenarios or relevant lysimeter.
Repellents and inorganic compounds are not defined as pesticides in Council Directive 98/83/EC 17 The drinking water standards applicable from Council Directive 98/83/EC are: aluminium ions 0.2 mg/L. ammonium 0.5 mg/L, nitrate 50 mg/L, nitrite 0.5 mg/L and sulfate 250 mg/L.