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為了最大限度地減少害蟲防治產品制造中存在的毒理學意義的雜質，以保護人類健康和環境，近日加拿大衛生部下屬有害生物管理局Pest Management Regulatory Agency（PMRA）就工業級有效成分（TGAI）產品中重金屬殘留問題，制定了最低檢測量（LOQs）的規定。
此次，PMRA對9個農藥原藥產品中常見的，并被認為值得關注的重金屬檢測定量限進行了規定（見下表）。當預計TGAI中存在重金屬時，申請人/注冊人需要使用可靠的金屬定量的方法進行分析，但這并不意味著重金屬的殘留濃度必須低于表格中的數值；每種產品中重金屬含量的可接受濃度將由PMRA評估后決定。
PMRA established LOQs for heavy metals in TGAIs 原藥中重金屬的檢測量 | |
Heavy metal 重金屬 | Required LOQ (ppm) 檢測量 |
銻Antimony | 1 |
砷Arsenic | 1 |
鎘 Cadmium | 1 |
鉻Chromium | 1 |
鈷Cobalt | 1 |
鉛Lead | 1 |
汞Mercury | 0.01 |
鎳Nickel | 1 |
硒Selenium | 1 |
LOQ = limit of quantitation | |
詳細信息請戳以下原文鏈接：PMRA發布農藥原藥中的重金屬檢測定量限
瑞旭集團農化事業部將持續跟蹤并更新農藥活性物質在加拿大，EPA，歐盟，印度等的的批準狀態，禁限用情況等信息，想了解更多海外登記資訊，趕快關注我們吧！！
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