APHIS also is seeking to revise the system of permits and notification, to include one based on risk and familiarity. 检测局还将设法修订许可和通知系统，以增加一种以风险和了解为基础的体系。
The FWPCA and its subsequent amendments do not specifically identify a system for setting standards. 联邦水污染控制法案和它以后的修订没有明确的建立一个标准制定体系。
