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據(jù)美國聯(lián)邦公報(bào)消息，10月7日美國環(huán)保署（EPA）發(fā)布一條終期條例，豁免2-亞甲基丁二酸均聚物鈉鹽（butanedioic acid，2-methylene-，homopolymer，sodium salt）在食品或飼料中的最大殘留限量。

本條例自發(fā)布之日起生效，征求意見截止日期為2015年12月7日。

部分原文報(bào)道如下：

This regulation establishes an exemption from the requirement of a tolerance for residues of butanedioic acid, 2-methylene-, homopolymer, sodium salt; when used as an inert ingredient in a pesticide chemical formulation. Itaconix Corporation submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act （FFDCA）， requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of butanedioic acid, 2-methylene-, homopolymer, sodium salt on food or feed commodities.

原文鏈接：<https://www.federalregister.gov/articles/2015/10/07/2015-25567/butanedioic-acid-2-methylene--homopolymer-sodium-salt-inert-ingredient-tolerance-exemption>