But fracking is almost entirely unregulated, because of a 2005 statutoryexemption from the Safe Drinking Water Act.
因为开采天然气在2005年得到《安全饮用水法案》的法定豁免,现在破裂法的使用几乎没有任何的监管。
2
Patent infringement demur of the statutoryexemption include exhaustion of patent rights, prior user rights, temporarily passing through, specifically experimental use, liable applications, etc.