QCVN 8-1:2011/BYT
QUY CHUN K THUT QUC GIA I VI GII HN NHIM KIM LOI NNG TRONG THC
PHMNational technical regulation on the safety limits of heavy
metals contaminants in food
I. QUY NH CHUNG 1. Phm vi iu chnh Quy chun ny quy nh mc gii hn
an ton c h o p h p i v i c c k i m l o i n n g n h i m trong thc
phm v cc yu cu qun l c lin quan. 2. i tng p dng Quy chun ny p dng i
vi: 2.1. Cc t chc, c nhn nhp khu, sn xut, kinh doanh cc sn phm thc
phm c nguy c nhim kim loi nng. 2 . 2 . T c h c , c n h n c lin
quan. 3. Gii thch t ng Trong Quy chun ny cc t ng di y c hiu nh sau:
3.1. Gii hn an ton cho php l mc gii hn ti a (ML) hm lng mt cht nhim
kim loi nng c php c trong thc phm. 3.2. Thc phm c nguy c nhim kim
loi nng: L cc thc phm, nhm thc phm quy nh ti Mc II (Quy nh k thut)
ca quy chun ny. 3.3. Lng n vo hng tun c th chp nhn c tm thi
(Provisional Tolerable Weekly Intake) (PTWI): l lng mt cht nhim kim
loi nng c a vo c th hng tun m khng gy nh hng c hi n sc kho con ngi
(n v tnh: mg/kg th trng)
QCVN 8-1:2011/BYTPTWI (Arsen): PTWI (Cadmi): PTWI (Ch): PTWI
(Thu ngn): PTWI (Methyl thu ngn): PTWI (Thic): 0,015 mg/kg th trng
(tnh theo arsen v c) 0,007 mg/kg th trng 0,025 mg/kg th trng 0,005
mg/kg th trng 0,0016 mg/kg th trng 14 mg/kg th trng
II. QUY NH K THUT Gii hn an ton cho php i vi nhim arsen (As),
cadmi (Cd), ch (Pb), thu ngn (Hg), methyl thu ngn (MeHg), thic (Sn)
trong thc phm Mc gii hn ti a cho php (mg/kg) TT Tn sn phm Arse n
(As) 0,5 1,0 Cadmi (Cd) 1,0 0,05 0,2 0,5 1,0 Ch (Pb) 0,02 0,1 0,5
Thu ngn (Hg) 0,05 0,05 Methyl thu ngn (MeHg) Thic (Sn)-
1 2 3 4 5 6 7
Sa v cc sn phm sa Tht v cc sn phm tht Tht tru, b, ln, cu, gia cm
Tht nga Gan tru, b, ln, cu, gia cm, nga Thn tru, b, ln, cu, gia cm,
nga Ph phm ca tru, b, ln, gia cm Cc loi tht nu chn ng hp (Tht bm,
tht i ln, tht vai ln), Tht b mui, Tht ch bin ng hp i vi sn phm
trong hp trng thic
-
-
8
-
-
-
-
-
200
QCVN 8-1:2011/BYTMc gii hn ti a cho php (mg/kg) TT Tn sn phm
Arse n (As)-
Cadmi (Cd)
Ch (Pb)
Thu ngn (Hg)-
Methyl thu ngn (MeHg)-
Thic (Sn)
i vi sn phm trong cc loi hp khng trng thic 9 10 11 12 13 14 15
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Du v m ng vt B
thc vt, du thc vt Rau h thp t (ci) Hnh Rau n qu Rau n l Rau h u Rau
n c v n r Rau n thn Nm Ng cc Go trng La m Cc loi tri cy nhit i, n c
v Cc loi tri cy nhit i, khng n c v Qu mng v qu nh khc Qu c mi Nhm
qu to Nhm qu c ht Mt (mt qu) v thch Cc loi rau, qu kh Cc loi rau,
qu ng hp Nc p rau, qu (mg/l) Ch v sn phm ch
-
-
50-
0,1 0,1 1,0 1,0 1,0
0,05 0,05 0,05 (2) 0,2 0,1 0,1 (5) 0,1 0,2 0,1 (7) 0,4 0,2
1,0
0,1 0,1 0,3 (1) 0,1 0,1 (3) 0,3 (4) 0,2 0,1 (6) 0,3 0,2-
0,05
-
0,1 0,1 0,2 0,1 0,1 0,1 1,0 2,0 1,0 0,05 (8) 2,0
-
250-
QCVN 8-1:2011/BYTMc gii hn ti a cho php (mg/kg) TT Tn sn phm
Arse n (As) 1,0 1,0 5,0 1,0 1,0 0,5 1,0 1,0 0,2 Cadmi (Cd) 1,0 0,5
1,0 1,0 1,0 0,5 1,0 1,0 1,0 Ch (Pb) 2,0 2,0 2,0 2,0 2,0 2,0 2,0 2,0
0,5 Thu ngn (Hg) 0,05 0,05 0,05 0,05 0,05 0,1 0,05 0,05 0,05 Methyl
thu ngn (MeHg) Thic (Sn)-
33 34 35 36 37 38 39 40 41
C ph Cacao v sn phm cacao (gm scla) Gia v (tr bt c ri) Bt c ri
Nc chm (mg/l) Mui n ng Mt ong Dm (mg/l) C cm, c ng, c vn hai sc, c
chnh, c i mc, c sng Nht Bn, c Luvar, c mi, c trch C vy chn, c da
trn, c ng, c chnh, c sn, c tuyt, c bn li nga, c c, c bn bum, c phn,
c nhng ln, c tuyt nh, c nhm gc, c ui, c vy , c c l, c h, c bao kim,
c vn bin, c mp, c thu rn, c tm, c kim
42
0,1
-
-
-
-
43
-
-
-
1,0
-
-
44 45 46
C tht c kim C tht c Cc loi c (khng bao gm cc loi c n tht)
-
0,3 -
0,3 -
-
0,5
-
QCVN 8-1:2011/BYTMc gii hn ti a cho php (mg/kg) TT Tn sn phm
Arse n (As) Cadmi (Cd) Ch (Pb) Thu ngn (Hg) Methyl thu ngn (MeHg)
1,0 Thic (Sn)
Cc loi c n tht (nh c 47 mp, c kim, c ng, c mng v cc loi khc) Gip
xc (tr phn tht nu 48 ca gh, u v ngc ca tm hm v cc loi gip xc ln) 49
50 51 52 53 54 Nhuyn th hai mnh v Nhuyn th chn u (khng ni tng) Thy
sn v sn phm thy sn khc Nc khong thin nhin (mg/l) Nc ung ng chai
(mg/l) Ru vang (mg/l) Thc n cng thc cho tr s sinh v tr nh (n lin)
Thc phm chc nng Thc phm chc nng 3,0 0,01 0,01 -
-
-
-
-
0,5
0,5
0,5
-
-
2,0 2,0 0,05 0,003 0,003 -
1,5 1,0 0,01 0,01 0,2-
0,5 0,001 0,006 -
-
-
-
-
55 ung ng hp (mg/l) 56 57
150-
-
-
0,02 3,0
0,1
-
ngun gc t rong bin kh hoc sn phm t rong bin Thc phm chc nng khng
c ngun gc t rong bin kh hoc sn phm t rong bin 58 Cc loi thc phm
ng
-
1,0
-
-
-
-
-
250
QCVN 8-1:2011/BYTMc gii hn ti a cho php (mg/kg) TT Tn sn phm
Arse n (As) Cadmi (Cd) Ch (Pb) Thu ngn (Hg) Methyl thu ngn (MeHg)
Thic (Sn)
hp (tr ung) Ghi ch: (-) Khng quy nh (1) Khng bao gm ci xon (2)
Khng bao gm c chua, nm (3) Khng bao gm nm (4) Bao gm rau n l h ci
nhng khng bao gm rau bina (5) Khng bao gm khoai ty cha gt v, cn ty
(6) Bao gm khoai ty gt v (7) Khng bao gm la m, go, cm, mm(8) Bao gm
necta, ung lin
III. PHNG PHP LY MU V PHNG PHP TH
1. Ly mu Ly mu theo hng dn ti Thng t 16/2009/TT-BKHCN ngy 2 thng
6 nm 2009 ca B Khoa hc v Cng ngh v hng dn kim tra Nh nc v cht lng
hng ho lu thng trn th trng v cc quy nh khc ca php lut c lin quan.
2. Phng php th Yu cu k thut quy nh trong Quy chun ny c th theo cc
phng php di y (c th s dng phng p h p t h k h c c
QCVN 8-1:2011/BYTchnh xc tng ng): 2.1. Phng php xc nh hm lng
arsen TCVN 7770: 2007 (ISO 17239 : 2004): Rau, qu v sn phm rau, qu
- Xc TCVN 6626:2000 (ISO 11969:1996) Cht lng nc Xc nh hm lng AOAC
973.78 Arsenic (total) Residues in Animal Tissues -
Spectrophotometric Method (Tn d arsen tng s trong m ng vt Phng php
quang ph) AOAC 986.15: Arsenic, cadmium, lead, selenium and zinc in
human and pet foods (Arsen, cadmi, ch, selen v km trong thc phm v
thc n chn nui). 2.2. Phng php xc nh hm lng ch AOAC Official Method
972.25: Lead in Foods (Atomic Absorption Spetrophotometry Method)
(Ch trong thc phm - Phng php quang ph hp th nguyn t) TCVN 7766:
2007 (ISO 6633: 1984): Rau, qu v sn phm rau, qu - Xc TCVN
8126:2009: Thc phm. Xc nh hm lng ch, cadmi, km, ng v nh hm lng ch -
Phng php o ph hp th nguyn t khng ngn la st. Phng php quang ph hp th
nguyn t sau khi phn hy bng vi sng 2.3. Phng php xc nh hm lng cadmi
AOAC Official Method 973.34: Cadmium in Foods (Atomic Absorption
Spetrophotometry Method) (Cadmi trong thc phm - Phng php quang ph
hp th nguyn t) TCVN 7768-1: 2007 (ISO 6561-1: 2005): Rau, qu v sn
phm rau, qu Xc nh hm lng cadmi. Phn 1: Phng php o ph hp th nguyn t
dng l graphit la TCVN 7768-2: 2007 (ISO 6561-2: 2005): Rau, qu v sn
phm rau, qu Xc nh hm lng cadmi. Phn 2: Phng php o ph hp th nguyn t
ngn nh hm lng arsen - Phng php o ph hp th nguyn t gii phng hydrua
arsen Phng php o ph hp th nguyn t (k thut hydrua)
QCVN 8-1:2011/BYT2.4. Phng php xc nh hm lng thic TCVN 7769: 2007
(ISO 17240: 2004): Sn phm rau, qu - Xc nh hm TCVN 7788: 2007: hp
thc phm Xc nh hm lng thic bng lng thic - Phng php o ph hp th nguyn
t ngn la quang ph hp th nguyn t 2.5. Phng php xc nh hm lng thy ngn
AOAC Official Method 971.21: Mercury in Food (Flameless Atomic
Absorption Spetrophotometry Method) (Thy ngn trong thc phm - Phng
php quang ph hp th nguyn t khng ngn la) TCVN 7877: 2008 (ISO 5666:
1999): Cht lng nc Xc nh thu ngn
2.6. Phng php xc nh hm lng methyl thy ngn AOAC 983.20: Mercury
(methyl) in fish and shellfish: Gas chromatographic method (Methyl
thy ngn trong c v tm cua Phng php sc k kh) AOAC 988.11: Mercury
(methyl) in fish and shellfish: Rapid gas chromatographic method
(Methyl thy ngn trong c v tm cua Phng php sc k kh nhanh) AOAC
990.04: Mercury (methyl) in seafood: Liquid chromatographic -
atomic absorption spectrophotometric method (Methyl thy ngn trong
hi sn Phng php sc k lng quang ph hp th nguyn t)
IV. QUY NH V QUN L Cc sn phm thc phm quy nh ti Mc II phi c kim
tra cht lng, an ton m bo hm lng kim loi nng nhim khng vt qu mc gii
hn ti a cho php quy nh ti Quy chun ny.
QCVN 8-1:2011/BYTVic kim tra cht lng, v sinh an ton i vi nhim
kim loi nng trong thc phm phi c thc hin theo cc quy nh ca php
lut.
V. TRCH NHIM CA T CHC, C NHN T chc, c nhn khng c nhp khu, sn
xut, kinh doanh cc thc phm c cha kim loi nng vt qu gii hn an ton
cho php quy nh trong quy chun ny.
VI. T CHC THC HIN 1. Giao Cc An ton v sinh thc phm ch tr, phi hp
vi cc c quan chc nng c lin quan hng dn trin khai v t chc vic thc
hin Quy chun ny. 2. Cn c vo yu cu qun l, Cc An ton v sinh thc phm c
trch nhim kin ngh B Y t sa i, b sung Quy chun ny. 3. Trong trng hp
cc tiu chun v quy nh php lut c vin dn trong Quy chun ny c s thay i,
b sung hoc c thay th th p dng theo vn bn mi.
QCVN 8-1:2011/BYTQUY CHUN QUC GIA V GII HN AN TON CHO PHP I VI
NHIM C T VI NM TRONG THC PHM
National technical regulation on the safety limits of mycotoxin
contamination in food
I. QUY NH CHUNG 1. Phm vi iu chnh Quy chun ny quy nh gii hn an
ton cho php i vi c t vi nm nhim trong thc phm v cc yu cu qun l c
lin quan. 2. i tng p dng Quy chun ny p dng i vi: a) Cc t chc, c nhn
nhp khu, sn xut, kinh doanh cc sn phm thc phm c nguy c nhim c t vi
nm. b) Cac t chc, c nhn c lin quan. 3. Gii thch t ng v cc ch vit tt
Trong quy chun ny cc t ng v ch vit tt di y c hiu nh sau: a)
Aflatoxin tng s: l tng hm lng cc aflatoxin B, B2, G1, G2. b) AOAC
(Association of Official Analytical Chemists): Hip hi cc nh ho phn
tch chnh thng c) KQ: Khng quy nh . d) Gii hn an ton: l mc gii hn ti
a cho php (ML), lng c t vi nm c trong thc phm khng c vt qu gii hn
ny.
QCVN 8-1:2011/BYT) Thc phm c nguy c nhim c t vi nm: L cc thc
phm, nhm thc phm quy nh ti khon 2 ca quy chun ny. e) Fumonisin tng
s: l tng hm lng cc Fumonisin B1 v B2 f) Hnh nhn: cn gi l qu hnh v d
nh ht d, ht iu, ht d ci g) Qu kh: l nhng loi qu c x l kh v d nh nho
kh, to kh, mt kh, mt hoa qu
h) Tr s sinh: tr c tui di 01 nm tui i) Tr nh: tr c tui t 1 - 3
nm tui
II. QUY NH V K THUT 1. Gii hn an ton cho php i vi nhim Aflatoxin
trong thc phm :
TT
Cc sn phm thc phm
ML (g/kg) Aflatoxin B1 Aflatoxin tng s Aflatoxin M1
1.1
Lc v nhng ht c du khc lm nguyn liu, hoc cn c x l trc khi s dng
lm thc n hoc s dng nh 1 thnh phn trong thc phm Hnh nhn, ht d ci, m
kh lm nguyn liu hoc cn c x l trc khi dng lm thc n hoc s dng lm thnh
phn trong thc phm Ht d v hnh nhn Brazin nguyn liu, hoc cn c x l trc
khi lm thc n hoc s dng nh 1 thnh phn trong thc phm Hnh nhn (tree
nuts) lm nguyn liu, khng bao gm sn phm quy nh ti phn 1.2 ; 1.3, hoc
cn c x l trc khi lm thc n, hoc c s dng nh 1 thnh phn trong thc phm
Lc, nhng ht c du khc dng n v cc sn phm ch bin t chng Ngoi tr : du
thc vt th dnh cho tinh lc v du thc vt tinh lc
8
15
KQ
1.2
12
15
KQ
1.3
8
15
KQ
1.4
5
10
KQ
1.5
2
4
KQ
1.6
Hnh nhn, ht d ci, m kh dng n hoc v s dng lm thnh phn trong thc
phm Ht d v hnh nhn brazin n, hoc s dng nh 1 thnh phn trong thc
phm
8
10
KQ
1.7
5
10
KQ
QCVN 8-2:2011/BYT 1.8 Hnh nhn (tree nuts) n, khng bao gm sn phm
quy nh ti phn 1.6, 1.7, hoc c s dng nh 1 thnh phn trong thc phm Qu
kh nguyn liu cn qua x l trc khi lm thc n hoc lm thnh phn trong thc
phm Qu kh v cc sn phm t qu kh c dng n , hoc c s dng nh mt thnh phn
trong thc phm Ton b ng cc v cc sn phm c ngun gc t ng cc, bao gm c
nhng sn phm qua ch bin (khng bao gm sn phm quy nh ti phn 1.12;
1.15; 1.17 ) Ng v go, cn c x l trc khi lm thc n hoc s dng nh 1 thnh
phn trong thc phm Sa nguyn liu, sa c x l nhit, sa dng sn xut tip cc
sn phm sa Cc loi gia v: - t : bao gm tt c cc loi, tng t, t bt, t ca
g, t cay . - Ht tiu kh bao gm c tiu trng v tiu en - Ht nhc u khu .
- Gng v ngh Nhng thc phm t ng cc cho tr s sinh v tr nh Sa bt cho tr
em v sa cho tr s sinh Thc n king c ch nh c bit cho tr s sinh
2
4
KQ
1.9
5
10
KQ
1.10
2
4
KQ
1.11
2
4
KQ
1.12
5
10
KQ 0.5
1.13
KQ
KQ
1.14
5
10
KQ
1.15 1.16 1.17
0.1 KQ 0.1
KQ KQ KQ
KQ 0.025 0.025
2 . Gii hn an ton cho php i vi nhim Ochratoxin A trong thc phm :
TT Sn phm thc phm 4 ML
QCVN 8-2:2011/BYT (g/kg) 2.1 2.2 Ng cc cha ch bin Tt c nhng sn
phm t ng cc cha qua x l, c nhng sn phm ng cc qua x l cng nh ng cc
dng lm thc phm khng bao gm sn phm quy nh ti phn 2.9 v 2.10 Nho kh
Cafe rang Cafe ha tan (cafe ung ngay) Ru vang, vang tri cy, bao gm
c ru c ga, tr ru ngt (trng ming) v vang c nng cn 15o Ru thm: gm c
ru ung v cocktail Nc p nho: nc p nho c c, ru nho ho hng Thc phm t
ng cc cho tr s sinh v tr nh Thc n king c ch nh c bit cho tr s sinh
Cc loi gia v: - t : bao gm tt c cc loi , tng t, t bt, t ca g , t
cay. - Ht tiu : ht kh bao gm c tiu trng v tiu en - Ht nhc u khu -
Gng v ngh - Hn hp c cha mt hay nhiu loi k trn 2.12 2.13 R cy cam
tho dng cho tr tho dc Dch chit cam tho dng cho nc gii kht hoc pha
trn 20 80 5
3
2.3 2.4 2.5 2.6
10 5 10 2 2 2 0.5 0.5
2.7 2.8 2.9 2.10 2.11
30
3. Gii hn an ton cho php i vi nhim Patulin trong thc phm: ML TT
Cc sn phm thc phm (g/kg)
5
QCVN 8-2:2011/BYT 3.1 3.2 3.3 Nc tri cy, nc tri cy nguyn cht,
tri cy nghin ung c cn, ru to, nhng ung ln men t to hoc c cha nc p
to Nhng sn phm t to (tht to) bao gm mt to, to nghin nhuyn c dng lm
thc phm khng bao gm sn phm quy nh ti phn 3.4 v 3.5 Nc p to v sn phm
t to (tht to), bao gm to mt v to nghin nhuyn cho tr s sinh v tr nh.
Thc phm cho em b, ngoi tr thc phm t ng cc dnh cho tr s sinh v tr nh
50 50
25
3.4 3.5
10
10
4. Gii hn an ton cho php i vi nhim Deoxynivalenol trong thc phm:
TT Cc sn phm thc phm ML (g/kg) 4.1 4.2 4.3 La m v yu mch cha qua ch
bin Ng cc cha qua ch bin, ngoi tr la m yn mch v ng Ng ht nguyn liu,
ngoi tr ng ht cha qua ch bin dng xay bt t . Ng cc dng n, bt ng cc,
ht mm (germ) dng lm thc phm , khng bao gm sn phm quy nh ti phn 4.7;
4.8; 4.9 M ng (kh) Bnh m, bnh nng, bch quy, snacks v n im tm
(breakfast) t ng cc Thc phm ch chin t ng cc v thc n dnh cho tr s
sinh v tr nh (kh) Ng xay vi c ht > 500 m 1750 1250
1750
4.4
750 750 500
4.5 4.6
4.7
200 750
4.8
6
QCVN 8-2:2011/BYT 4.9 Ng xay vi c 500 m 1250
5 . Gii hn ti a c t Fumonisin c quy nh ti Quy chun ny :
FumonisinCc sn phm thc phm
Tng sML (g/kg)
TT
5.1 5.2
Ng ht nguyn liu, ngoi tr ng dng xay t Ng dng n, ng s dng lm thnh
phn trong thc phm, khng bao gm sn phm quy nh ti mc 5.3; 5.4 Snacks
v n im tm (breakfast) t ng Thc phm ch bin t ng v thc n dnh cho tr s
sinh v tr nh Ng xay vi c ht > 500 m Ng xay vi c ht 500 m
4000
1000
5.3 5.4 5.5 5.6
800 200 1400 2000
6. Gii hn ti a c t Zearalenone c quy nh ca Quy chun ny : TT Cc
sn phm thc phm ML (g/kg) 6.1 6.2 6.3 Ng cc cha ch bin, ngoi tr ng
Ng cha ch bin ngoi tr ng dng xay t Ng cc dng n, bt ng cc, ht mm
(khng bao gm sn phm quy nh ti phn 6.6 ; 6.7 ; 6.8 ; 6.9 ; 6.10) 7
100 350 75
QCVN 8-2:2011/BYT 6.4 6.5 Du ng tinh lc Bnh m, bnh nng, bch quy,
snacks v n im tm (breakfast) ng cc Thc phm t ng, snacks v n im tm
(breakfast) ng Thc phm ch bin t ng cc (ngoi tr thc phm t ng) v thc
n dnh cho tr s sinh v tr nh Thc phm ch bin t ng dnh cho tr s sinh v
tr nh Ng xay vi c ht > 500 m Ng xay vi c ht 500 m 400 50 100 20
20 200 300
6.6 6.7
6.8 6.9 6.10
III. Ly mu v Phng php th
1. Ly mu : theo hng dn ti Thng t 16/2009/TT-BKHCN ngy 02 thng 6
nm 2009 ca B Khoa hc v Cng ngh v hng dn kim tra nh nc v cht lng hng
ha lu thng trn th trng v cc quy nh khc ca php lut c lin quan.2.
Phng php th Cc yu cu k thut trong quy chun ny , c th theo cc phng
php di y , cc phng php ny khng bt buc p dng , c th s dng cc phng
php th khc tng ng. 2.1. Xc nh Aflatoxins :
Theo phng php ca AOAC 975.36, AOAC 2005.08, AOAC 994.08,
AOAC990.32, AOAC 2000.16, AOAC 2000.082.2. Xc nh c t Ochratoxin A :
Tho phng php ca AOAC 991.44, AOAC 2000.09, AOAC 2001.01 2.3. Xc nh
c t Patulin :
Theo phng php ca : AOAC 2000.022.4. Xc nh c t Deoxinivalenol :
8
QCVN 8-2:2011/BYT
Theo phng php ca : AOAC 986.172.5. Xc nh c t Fumonisin :
Theo phng php ca : AOAC 995.15, AOAC 2001 : 04
2.6. Xc nh c t Zearalenone :
Theo phng php ca : AOAC 994.01, AOAC 985.18IV. QUY NH V QUN L
.Cc sn phm thc phm c nguy c nhim c t vi nm phi c kim tra an ton
m bo sn phm khng cha c t vi nm qu gii hn cho php quy nh ti quy
chun ny. Vic kim tra cc sn phm thc phm c nguy c nhim c t vi nm c
thc hin theo cc quy nh ca php lut .
V. Trch nhim ca t chc c nhn
T chc cc nhn khng c nhp khu , sn xut , kinh doanh cc thc phm cha
c t vi nm vt qu gii hn an ton cho php quy nh trong quy chun ny
.
VI. T CHC THC HIN 1. Giao Cc An ton v sinh thc phm ch tr, phi hp
vi cc c quan chc nng c lin quan hng dn trin khai v t chc vic thc
hin Quy chun ny. 2. Cn c vo yu cu qun l, Cc An ton v sinh thc phm c
trch nhim kin ngh B Y t sa i, b sung Quy chun ny. 3. Trong trng hp
cc tiu chun v quy nh php lut c vin dn trong Quy chun ny c s thay i,
b sung hoc c thay th th p dng theo vn bn mi.
9
QCVN 8-2:2011/BYT
10
