Chlorothalonil: 33% limit value exceeded - Schweizer Bauer

Degradation products of the fungicide chlorothalonil pollute groundwater on a large scale, particularly on the Swiss Plateau. According to a compilation by the Federal Office for the Environment (FOEN), the measured values are above the limit value of 0.1 micrograms at every third measuring point. However, the limit value is controversial. The Federal Office for Agriculture approved the use of chlorothalonil in the 1970s. The active ingredient was used in cereal, [...]