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Tcvn5502 2003 Tieu Chuan NuocDinh Le
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TCVN
TCVNTIU CHUN VIT NAM
TCVN 5502: 2003
Sot xt ln 1
NC CP SINH HOT - YU CU CHT LNGDomestic supply water - Quality requirements
H NI - 2003
Li ni u
TCVN 5502: 2003 thay th TCVN 5502: 1991
TCVN 5502: 2003 do Tiu ban k thut tiu chun TCVN/TC47/SC 1 Sn phm ho hc bin son. Tng cc Tiu chun o lng cht lng ngh, B Khoa hc v Cng ngh ban hnh.
TIU CHUN VIT NAMTCVN 5502 : 2003
Sot xt ln 1
Nc cp sinh hot - Yu cu cht lng
Domestic supply water - Quality requirements
1. Phm vi p dng
Tiu chun ny quy nh cht lng i vi nc qua x l, sau h thng phn phi, dng trong sinh hot. Sau y gi l nc cp sinh hot.
2. Ti liu vin dn
TCVN 5499 - 1995: Cht lng nc - Phng php Uyncle (Winkler) - Xc nh oxy ho tan.
TCVN 5991 - 1995 (ISO 5666-3: 1984) Cht lng nc - Xc nh thu ngn tng s bng phng php quang ph hp th nguyn t khng ngn la - Phng php sau khi v c ho vi brom.
TCVN 6002 - 1995 (ISO 6332 : 1986) Cht lng nc - Xc nh mangan - PHc php trc quang dng fomaldoxim.
TCVN 6177 - 1996 (ISO 6332 : 1988) Cht lng nc - Xc nh st bng phng php trc ph dng thuc th 1.10-phenantrolin.
TCVN 6178 - 1996 (ISO 6777 : 1984) Cht lng nc - Xc nh nitrit - PHc php trc trc ph hp th phn t.
TCVN 6180 - 1996 (ISO 7890 : 1988) Cht lng nc - Xc nh nitrit - PHc php trc trc ph dng axit sunfosalixylic.
TCVN 6181 - 1996 (ISO 6703 : 1984) Cht lng nc - Xc nh Xyanua tng
TCVN 6185 - 1996 (ISO 7887 : 1984) Cht lng nc - Kim tra v xc nh mu sc
TCVN 6187 - 1996 (ISO 9308/1 : 1990) Cht lng nc - Pht hin v m vi khun Coliform, vi khun coliform chu nhit v Escherichia coli gii nh. PHn 1: Phng php mng lc.
TCVN 6193 - 1996 (ISO 8288 : 1986) Cht lng nc - Xc nh coban, niken, ng, km, cadimi v ch - Phng php trc ph hp th nguyn t ngn la.
TCVN 6194 - 1996 (ISO 9297 : 1989) Cht lng nc - Xc nh clorua - Chun bc nitrat vi ch th cromat ( phng php MO).
TCVN 6195 - 1996 (ISO 10359-1 : 1992) Cht lng nc - Xc nh florua - Phng php d in ho i vi nc sinh hot v nc b nhim nh.
TCVN 6222 - 1996 (ISO 9174 : 1990) Cht lng nc - Xc nh crom tng - Phng php trc ph hp th nguyn t.
TCVN 6224 - 1996 (ISO 6059 : 1984) Cht lng nc - Xc nh can xi v magi - Phng php chun EDTA.
TCVN 6336 - 1998 (ASTMD 2330 : 1988) Phng php th cht hot ng b mt metylen xanh.
TCVN 6492 - 1999 (ISO 10523 : 1994) Cht lng nc - Xc nh pH.
TCVN 6426 - 2000 (ISO 11969 : 1996) Cht lng nc - Xc nh asen - Phng php hp th nguyn t (k thut hydrua).
SMEWW: Phng php th tiu chun cho nc v nc thi ca Hip hi sc kho cng ng Hoa K, tp 1, 2, 3 ti bn ln th 20 ( Standard Methods for the Examintaion of Water and Wastewater 20th Edition, Version 1, 2, 3 - American Public Heath Association).
US EPA phng php 507: Hip hi bo v mi trng Hoa k (United States - Environmental Protection Agency method 507).
3. Yu cu cht lng
Cc ch tiu cht lng ca nc cp sinh hot v phng php th tng ng c qui nh trong bng 1.
TCNV 5502 : 2003
Bng 1 - Ch tiu cht lng v phng php th tng ng
STTTn ch tiun vMc, khng ln hnPhng php th
1Mu scmg/l Pt15TCVN 6185 : 1996 ( ISO 7887 - 1995) hoc SMEWW 2120
2Mi, v-Khng c mi, v lCm quan hoc SMEWW 2150 B v 2160 B
3 cNTU5SMEWW 2130 B
4pH-6 8,5TCVN 6492 : 1999 hoc SMEWW 4500-H+
5 cng, tnh theo CaCO3mg/l300TCVN 6224 : 1996 hoc SMEWW 2340 C
6Hm lng oxy ho tan, tnh theo oxymg/l6TCVN 5499 : 1995 hoc SMEWW 4500-O C
7Tng cht rn ho tanmg/l1000SMEWW 2540 B
8Hm lng amoniac, tnh theo nitmg/l3SMEWW 4500-NH3D
9Hm lng asenmg/l0,01TCVN 6620 : 2000 hoc SMEWW 3500-As B
10Hm lng antimonmg/l0,005SMEWW 3113 B
11Hm lng cloruamg/l250TCVN 6194 : 1996 (ISO 9297 - 1998) hoc SMEWW 4500-Cl-D
12Hm lng chmg/l0,01TCVN 6193 : 1996 (ISO 8286- 1986) hoc SMEWW 3500-Pb
13Hm lng crommg/l0,05TCVN 6222 : 1996 (ISO 9174 - 1990) hoc SMEWW 3500-Cr
14Hm lng ngmg/l1,0TCVN 6193 : 1996 (ISO 8288 - 1986) hoc SMEWW 3500-Cu
TCVN 5502 : 2003
Bng 1 (tip theo)
STTTn ch tiun vMc, khng ln hnPhng php th
15Hm lng floruamg/l0,7 1,5TCVN 6195 : 1996 ( ISO 10359-1 - 1992) hoc SMEWW 4500-F-
16Hm lng kmmg/l3,0TCVN 6193 : 1996 ( ISO 8288 - 1989) hoc SMEWW 3500-Zn
17Hm lng hydro sunfuamg/l0,05SMEWW 4500-S-
18Hm lng manganmg/l0,5TCVN 6002 : 1995 (ISO 6333 - 1986) hoc SMEWW 3500-Mn
19Hm lng nhmmg/l0,5SMEWW 3500-Al
20Hm lng nitrat, tnh theo nitmg/l0,5TCVN 6180 : 1996 (ISO 7890 - 1988) hoc SMEWW 4500-NO3-
21Hm lng nitrit tnh theo nitmg/l10,0TCVN 6178 : 1996 (ISO 6777 - 1984) hoc SMEWW 4500-NO2-
22Hm lng st tng s (Fe2+ + Fe3+)mg/l1,0TCVN 6177 : 1996 (ISO 6332 - 1988) hoc SMEWW 3500-Fe
23Hm lng thu ngnmg/l0,5TCVN 5991 : 1995 ((ISO 5666-1 - 1983 ISO 5666-3 - 1983) hoc SMEWW 3500-Hg
24Hm lng xyanuamg/l0,001TCVN 6181 : 1996 (ISO 6703-1 - 1984) hoc SMEWW 4500-CN-
25Cht hot ng b mt, tnh theo Linear Ankyl bezen Sunfonat (LAS)mg/l0,07TCVN 6336 : 1998
TCVN 5520 : 2003
Bng 1 (tip theo)
STTTn ch tiun vMc, khng ln hnPhng php th
26Benzenmg/l0,01SMEWW 62000-B
27Phenol v dn xut ca phenolmg/l0,01SMEWW 6420-B
28Du m v cc hp cht du m0,1SMEWW 5520-C
29Hm lng thuc tr su ln hu cmg/l0,01US EPA phng php 507
30Hm lng thuc tr su clo hu cmg/l0,1SMEWW 6630
31Coliform tng sMPN/100ml 2)2,2TCVN 6187-1 : 1996 (ISO 9308-1 - 1990) hoc SMEWW 9222
32E.Coli v coliform chiu nhitMPN/100ml0TCVN 6187-1 : 1996 (ISO 9308-1 - 1990) hoc SMEWW 9222
33Tng hot ng pCi/l 3)3SMEWW 7110 B
34Tng hot ng BE tapCi/l30SMEWW 7110 B
Ch thch:
1) NTU (Nephelometric Turbidity Unit): n v o c
2) MPN/100ml ( Most probable Number per 100 liters): Mt khun lc trong 100 ml.
3) pCi/l (picories per liter): n v o phng x Picocuri trn lt.
TCVN 5502 : 2003
Ti liu tham tho
1. Tiu chun v sinh nc n ung B Y t (ban hnh km theo quyt nh s 1329/2002/BYT-Q ngy 18/4/2002 ca B trng B Y t).
2. Current Drinking Water Standard was updated 05/13/2002 (National Primary Dringking Water Regulations - Drinking Water standard of the United State Environment Protection Agency) (Tiu chun nc ung hin hnh ca Vin bo v mi trng Hoa k EPA cp nht ngy 13/05/2002).
3. Hng dn v cht lng nc ung (ca T chc Y t Th gii) - Tp 1: Nhng ngh.
4. EG-Richlinie uber die Qulitat des Wassers fur den Menschlichen Gebrauch 1980 (Hng dn gii hn nc sinh hot ca c 1980).
5. Law and standards on pollution control in Thailand 4th edition - Pollution control Department - Ministry of Science. Technology and Environment (Lut v tiu chun ca Thi Lan v kim sot nhim, tin bn ln th 4 - Ban kim sot nhim - B Khoa hc, Cng ngh v Mi trng)
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