Circulaire - Vietnam (2017)

Dieu 3. Nguyen tic ap dung cac phuang phi') quan trac mai truicng

1.Viec ap Ong cac phuang phap quan trac moi truong phai tuan thu theo

cac phucmg phap dugc quy dinh tai Thong tu nay ya cac quy chuan k'ST thuat quoc

gia hien hanh ye moi truong.

2. Tnzang hap cac phucmg phip tieu chuAn qu6c te, phuang phap tieu chuAn

khu vkrc hoac phuang phip tieu chuan flunk ngoai chua dugc quy dinh tai Thong

tu nay se dugc xem xet, chap nh'an sir dung neu co d6 chinh xic tuang throng hoac

cao hon.

3. Throng h9p cac phuang phap quan trac moi tnreyng quy dinh tai Thong

tu nay dugc sira doi, 116 sung hoac thay the bang cac phucmg phap moi thi ap Ong

theo cac phucmg phap moi do.

Dieu 4. GUM thich thuat ngir va tir vitt tat

Cac thuat ngir \TA tir yiet tat trong Thong tu nay dugc hien nhu sau:

1.Bao dam chAt luting (quality assurance - yiet tat la QA) trong quan trac

moi throng: la mot he thong tich hap cac hog deng quan 1ST \Ta ky thuat trong mot

to chirc nham bao dam cho hoat dOng quan trac moi truong dat dugc cac tieu

chu'An chat luting da quy dinh.

2. Kim soat chAt luting (quality control - yiet tat la QC) trong quan trac

moi truong: la yiec thgc hien cac bien phap de danh gia, theo doi NIA kip then dieu

chinh a dat dugc d6 chum, d'6 chinh xac cua cac phep do nham bao dam cho hoat

d6ng quan trac moi tn.rang dat cac tieu chuan chat luting theo quy dinh.

3. MAu kiem soat chAt luting (quality control sample - g9i chung la mAu

QC): la mh thuc hoac mau dugc tao tir chuAn dugc sir Ong de kiem soat chAt

luting cho qua trinh quan trac tai hien truong ya phan tich moi truong trong phong

thi nghiem.

4. D6 chum (precision): la mUc d6 gAn nhau giva cac ket qua thin nghiem

dOc lap /than dirge trong dieu kien quy dinh.

5. D6 lap lai (repeatability): la dO chum trong cac dieu kien lap lai.

6. D6 tai lap (reproducibility): la d6 chum trong dieu kien tai lap.

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7. DO chinh xac (accuracy): lA mirc dO gan nhau gifra kat qua thin nghim