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uienwt mark this message contains personal perspective
originally written by uienwt
衛福部長陳時中表示,用ppm而不用ppb的原因在於,世上多數國家都使用ppm。國際上大部分的國家都使用ppm為訂定單位;在台灣,高達95%以上的檢測都是以ppm為標準,在每一次的檢測中,都會儘量去檢驗多種較常被使用的瘦肉精。

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https://tw.news.yahoo.com/台灣用ppm標準較鬆-陳時中說話了-031035116.html

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