中华人民共和国国家标准
农田灌溉水质标准
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">Standa* for irrigation water quality*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">GB5084-2005 代替GB5084-92*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">2005-07-21发布2006-11-01实施*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">3.1 农田灌溉用水水质应符合表1、表2的规定。*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">表1 农田灌溉用水水质基本控制项目标准值*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">项目*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">五日生化需氧量/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">化学需氧量/(mg/L)*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">悬浮物/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">阴离子表面活性剂/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">水温/℃*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">pH*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">全盐量/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">氯化物/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">硫化物/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">总*/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">镉/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">总*/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">铬(六价)/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">铅/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">粪大肠菌群数/(个/100mL) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">蛔虫卵数/(个/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">a 加工、烹调及去皮蔬菜。*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">b 生食类蔬菜、瓜类和草本水果。*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">c 具有一定的水利灌排设施,能保证一定的排水和地下水径流条件的地区,或有一定淡水资源能满足冲洗土体中盐分的地区,农田灌溉水质全盐量指标可以适当放宽。*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">表2 农田灌溉用水水质选择性控制项目标准值*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">项 目 *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">铜/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">锌/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">硒/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">氟化物/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">qing化物/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">石油类/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">挥发酚/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">苯/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">三氯yi醛/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">丙xi醛/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">硼/(mg/L) *n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">a 对硼敏感作物,如黄瓜、豆类、马钤薯、笋瓜、韭菜、洋葱、柑橘等。*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">b 对硼耐受性较强的作物,如小麦、玉米、青椒、小白菜、葱等。*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">c 对硼耐受性强的作物,如水稻、萝卜、油菜、甘蓝等。*n>
<*n style="color:#666666;font-family:"font-size:16px;background-color:#FFFFFF;">
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