Chemists in Switzerland have found that rain samples taken during the first minutes of a storm frequently contain higher levels of pesticides than those considered acceptable by either the European Union or Switzerland.
Para ahli kimia di Swiss mendapati bahwa sampel - sampel air hujan yang diambil pada menit - menit pertama turunnya hujan lebat, sering kali mengandung pestisida di atas ambang batas yang dianggap aman di Uni Eropa maupun di Swiss.