【案例】船主杨某在长江上经营一艘货船。2003年7月18日,杨某从重庆装运30吨重铬酸钠,30吨硒酸钾运往上海,在行至武汉接受水上交通部门检查时,检查人员黄某、梁某二人发现了其装载的硒酸钾为剧毒化学品,内河禁运,遂对其罚款5万元。杨某说:“这怎么能罚款呢?你说的是像塔里木那样的流 [Case] ​​Yang owner of the owner of a cargo ship on the Yangtze River. On July 18, 2003, Yang shipped 30 tons of sodium dichromate from Chongqing and 30 tons of potassium selenate to Shanghai. When he arrived in Wuhan for inspection by the maritime traffic department, inspectors Hwang and Liang discovered that Potassium selenite loaded as a highly toxic chemicals, river embargo, then fined 50,000 yuan. Yang said: "How can this be fine? What you are talking about is Tarim’s flow