最大残留限量（maximum residue limit）：概念的前身是"法定允许量"，在1962年的世界卫生组织的定义是----考虑到按照优良农业措施生产的食品在消费时实际的残留范围，以及允许的残留水平，而设定的食品上的残留浓度。
当肝脏或肾脏或二者都不合格(超过最大残留限量)，但骨骼肌呈阴性或没有违规，那么应该只宣布器官不适于食用。
When a liver or kidney or both are found violative (in excess of the MRL) but the skeletal muscle is negative or non-violative, then only the organs shall be condemned.
本文系统论述了原料食品和加工食品中卫生指标最大残留限量的设定依据，并对各种菠菜及其制品卫生指标的判定和存在的问题进行了分析。
The rule for MRL(Maximum Residue Limit) establishment of raw and processed food was discussed, and some problems existing in the judgement of spinach and its product were also analyzed.
我国蔬菜产品安全质量标准有国家标准、行业标准及地方标准几大类，标准内容包括有害金属、非金属元素、硝酸盐和亚硝酸盐及农药残留的最大限量值。
There is national standard, trade standard and local standard in China, which include the maximum limit of harmful metal, nonmetal elements, nitrate, nitrite and pesticide residues.
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