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GB 19298��2003
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1 ��
��(bi��o)��(zh��n)Ҏ(gu��)��ƿ��Ͱ��b��ˮ��ָ��(bi��o)Ҫ��,��ʳƷ��ӄ��a(ch��n)�ӹ��^�̵��l(w��i)��Ҫ��,��A��,��b��\ݔ,��(bi��o)�RҪ��͙z򞷽��,��
��(bi��o)��(zh��n)�m��ڽ�(j��ng)�^�V��ȹ�ˇ̎��b��ܷ��п�ֱ��õ�ˮ,��
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2 Ҏ(gu��)��ļ�
��ļ��еėl��ͨ�^��(bi��o)��(zh��n)��ö��ɞ鱾��(bi��o)��(zh��n)�ėl���ע��ڵ��ļ�,��S��е� �޸ĆΣ��`�ă�(n��i)�ݣ��ӆ��m��ڱ��(bi��o)��(zh��n),��Ȼ��Ą��(j��)��(bi��o)��(zh��n)�_(d��)�Ʌf(xi��)�h�ĸ��о��Ƿ��ʹ��@Щ�ļ��°汾,��ǲ�ע��ڵ��ļ�,�� °汾�m��ڱ��(bi��o)��(zh��n),��
GB 2760 ʳƷ��ӄ�ʹ��l(w��i)��(bi��o)��(zh��n)
GB/T 4789.21 ʳƷ�l(w��i)��΢��W(xu��)�z� ��Ʒ��ϙz�
GB 5749 ��ˮ�l(w��i)��(bi��o)��(zh��n)
GB/T 5750 ��ˮ�l(w��i)��(bi��o)��(zh��n)�z򞷽��
GB 8537��Ȼ�VȪˮ
GB/T 8538 ��Ȼ�VȪˮ�z򞷽��
GB 19304 ��Ͱ��b��ˮ��I(y��)��a(ch��n)�l(w��i)��Ҏ(gu��)��
3 ָ��(bi��o)Ҫ��
3.1 ԭ��Ҫ��
3.1.1 ԭ��ˮ��(y��ng)��GB 5749��Ҏ(gu��)��,��
3.1.2 ˮԴ�l(w��i)��o(h��)��GB 8537Ҏ(gu��)��(zh��)��,��
3.2 �й�ָ��(bi��o)
�йّ�(y��ng)��ϱ�1��Ҏ(gu��)��

��1 �й�ָ��(bi��o)

�Ŀ	��Ҫ��
ɫ��/�� ≤	10,��óʬF(xi��n)��ɫ
��/NTU ≤	3
��ζ	��Ю��ζ
��ۿ�Ҋ��	��Ùz��

3.3 ��ָ��(bi��o)
��ָ��(bi��o)��(y��ng)��ϱ�2��Ҏ(gu��)��,��

��2 ��ָ��(bi��o)

�Ŀ	ָ��(bi��o)
��}(NO₂^-)/(mg/L)	0.005
��(O₂)/(mg/L)	2
�U(Pb)/(mg/L)	0.01
��(As)/(mg/L)	0.05
�~(Cu)/(mg/L)	1
�k(Cd)/(mg/L)	0.01
��/(mg/L)	0.05
�]�l(f��)�Էӣ��Ա��Ӌ��/(mg/L)	0.002
��ȼ��/(mg/L)	0.02
��α��/(Bq/L)	0.1
��β��/(Bq/L)	1

3.4 ΢��ָ��(bi��o)
΢��ָ��(bi��o)��(y��ng)��ϱ�3��Ҏ(gu��)��

��3 ΢��ָ��(bi��o)

�Ŀ	ָ��(bi��o)
��係��(sh��)/��cfu/mL�� ≤	50
��c��(sh��)/��MPN/100mL�� ≤	3
ù��/(cfu/mL) ≤	10
��ĸ/(cfu/mL) ≤	10
�²��(ɳ�T�Ͼ�,��־�R�Ͼ�,��Sɫ��)	��Ùz��

4 ʳƷ��ӄ�
4.1 ʳƷ��ӄ��|(zh��)��(y��ng)��(y��ng)�Ę�(bi��o)��(zh��n)��P(gu��n)Ҏ(gu��)��
4.2 ʳƷ��ӄ��Ʒ�N��ʹ��(y��ng)��GB 2760��Ҏ(gu��)��,��

5 ʳƷ��a(ch��n)�ӹ��^�̵��l(w��i)��Ҫ��
��(y��ng)��GB 19304��Ҫ��,��

6 ��b
��b��Ͳ��ϑ�(y��ng)��(y��ng)��l(w��i)��(bi��o)��(zh��n)��P(gu��n)Ҏ(gu��)��

7 ��(bi��o)�R
��Ͱ��b�Ę�(bi��o)�RҪ��(y��ng)��P(gu��n)Ҏ(gu��)��,��

8 �A�漰�\ݔ
8.1 �A��
��Ʒ��(y��ng)�A��ڸ��,��ͨ�L(f��ng)��õĈ��c�ж�,��к�,��Ю�ζ��ד]�l(f��),��׸��g��Ʒͬ̎�A��,��
8.2 �\ݔ
�\ݔ�a(ch��n)Ʒ�r��(y��ng)��Օ��,��c�ж�,��к��Ю�ζ��Ӱ푮a(ch��n)Ʒ�|(zh��)��Ʒ��b�\ݔ,��

9 �z򞷽��
9.1 �й�ָ��(bi��o)
ɫ��,��ȡ��ζ,��ۿ�Ҋ���GB/T 8538Ҏ(gu��)��ķ��y��
9.2 ��ָ��(bi��o)
9.2.1 ��},��,��U��,��~,��]�l(f��)�ԷӺ��k
��GB/T 8538Ҏ(gu��)��ķ��y��
9.2.2 ��ȼ��,��α��ԺͿ�β��
��GB/T 5750��Ҏ(gu��)��ķ��y��,��
9.3 ΢��ָ��(bi��o)
��GB/T 4789.21Ҏ(gu��)��ķ��z�,��