在承包商供应的设备中中和废液并通过化学试剂排放设备排放到处理系统。
Neutralize waste solutions in contractor-supplied equipment and discharge through chemical drain to site treatment system.
如果没有可用的废水处理系统，可经市政或私人下水道的授权将中和的废液流到污水下水道。在任何情况下，任何形式的废液都不允许进入雨水下水道。
Should a site waste treatment system not be available, permission could be obtained from the municipal or private sewer authority to put neutralized waste solutions to sanitary drains.
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