And to gain control over these pests in a short time, the courses sometimes resort to using highly toxic chemicals. In 1982 the EPA determined that five golf courses in protected water zones used dangerous chemicals.
為了在短期達到控制災害，可能使用劇毒性的藥，環保署在八十一年就曾查出位在水源保護區的五家球場使用烈藥。