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Tieu Chuan Nuoc Sach Bo Y Te QCVN 01:2018 La Gi? TGLwater Dat Chuan Nhu The Nao?
Nội dung
QCVN 01:2018/BYT la Quy chuan Ky thuat Quoc gia ve Chat luong Nuoc an uong, do Bo Y te Viet Nam ban hanh, quy dinh nguong toi da cho phep cua 109 chi tieu chat luong nuoc — tu vi sinh, hoa chat, kim loai nang den chi tieu vat ly cam quan. Day la tieu chuan phap ly bat buoc ap dung cho nuoc may va nuoc dong chai tren toan quoc.
1. Cac Chi Tieu Quan Trong Nhat Trong QCVN 01:2018/BYT
Chi tieu | Nguong cho phep | Don vi | Y nghia thuc te |
E.coli / Coliform | 0 | CFU/100ml | Nuoc tuyet doi khong duoc co vi khuan gay benh |
Clo du luong | 0.3 – 0.5 | mg/lit | Phai co clo du de diet khuan duong ong |
pH | 6.5 – 8.5 |
| Nuoc qua acid hoac qua kiem deu hai |
Do duc | < 2 | NTU | Nuoc trong, khong co cac hat luong tu |
Sat (Fe) | < 0.3 | mg/lit | Nuoc co mui tanh, mau vang khi sat cao |
Mangan (Mn) | < 0.3 | mg/lit | Gan roi chuc nang than kinh khi nhiem man |
Chi (Pb) | < 0.01 | mg/lit | Doc cho tri nao tre em khi vuot nguong |
Asen (As) | < 0.01 | mg/lit | Gay ung thu lau dai |
Do cung (Ca+Mg) | < 300 | mg CaCO3/lit | Nuoc qua cung gay dong can, anh huong suc khoe |
Amoni (NH4+) | < 3 | mg/lit | Dau hieu o nhiem huu co, pha thai |
2. TGLwater Dam Bao Dat Chuan QCVN 01:2018 Nhu The Nao?
- Truoc lap dat: Lay mau nuoc tai nha, phan tich tai phong thi nghiem dat chuan de biet chinh xac muc do o nhiem.
- Thiet ke he thong: Chon dung tang loc de xu ly dac hieu tung van de cua nguon nuoc cu
- Sau lap dat: Lay mau nuoc dau ra, kiem nghiem lai o phong thi nghiem — cam ket tat ca 109 chi tieu dat QCVN.
- Bao tri dinh ky: Kiem tra lai chat luong nuoc 6 thang 1 lan — dam bao he thong van hoat dong hieu qua.
3. Ban Co The Tu Kiem Tra Mot So Chi Tieu Don Gian
- Mau sac va do duc: Lay nuoc vao coc trong — nuoc qua tieu chuan phai hoan toan trong
- Mui: Nuoc dat chuan khong co mui hoi, mui dat, mui clo
- Can trong am dun: Sau 1 thang dun nuoc thong thuong — neu co lop trang day la nuoc cung qua tieu chuan.
- Kit kiem tra pH: Mua tai hieu thuoc hoac Shopee (~50.000d) — do pH phai 5-8.5.
- Kit kiem tra clo: Mua kit do clo de kiem tra clo du luong sau khi loc — dam bao 3-0.5 mg/lit.