Division BAT 68: BAT is to monitor emissions to water with at least the frequency given below and in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.
United Kingdom
| In the case of discontinuous waste water discharges, the minimum monitoring frequency is once per discharge. | |||||
| Substance/Parameter | Plant | Sampling point | Standard(s) | Minimum monitoring frequency | Monitoring associated with |
|---|---|---|---|---|---|
| TOC | DNT plant | Outlet of the pretreatment unit | EN 1484 | Once every weekf1 | BAT 70 |
| MDI and/or TDI plant | Outlet of the plant | Once every month | BAT 72 | ||
| Aniline | MDA plant | Outlet of the final waste water treatment | No EN standard available | Once every month | BAT 14 |
| Chlorinated solvents | MDI and/or TDI plant | Various EN standards available (e.g. EN ISO 15680) | BAT 14 | ||
Annotations
Footnotes
- f1
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In the case of discontinuous waste water discharges, the minimum monitoring frequency is once per discharge.