He therefore feels it is unlikely that companies would do so. In addition to all this, the Science Park Administration bills each factory for wastewater treatment based on the amount of water that it pumps in, not the amount it pumps out. For this reason, Chang Fan-shu says, "They've already paid [for waste-water treatment]; they have no need to release water [secretly]."
除此之外，管理局會依照各家廠商的自來水量而不是廢水量收取汙水處理費，因此，張芳淑認為：「錢都已經交了，廠商實在沒必要偷排。」