NSF 53 標準釋疑
今晚收到了安麗公司客服專員有關 NSF 53 標準的正式回覆NSF第53號至少需通過以下污染物檢測Thecategory of VOC (Volatile Organic Chemical) includes a number ofchemicals that are both man-made and naturally occurring. Water fromwells and utilities may contain some of these contaminants. ...