TT47_QCVN 40.2001_Nuoc Thai Cong Nghiep Thay the QCVN 24

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BO TAl NGUYEN vA MOl TRUONG

S 6 : 4 " 7 12011/TT-BTNMT

CONG HoA xA HOI CHiJ NGHiA vtsr NAM

DQc l~p - T1}'do - H~nh phuc

tt« N9i, ngaYLfthimg 12 nam 2011

THONGTU

Quy djnh quy ehu~n k y thu~t quAe gia v~

B O TRUONG B O TAl NGUYEN v A MOl

Can cu Luat Tieu chuan va Quy chuan ky thuat ngay 29 thang 6 nam 2006;

Can cir Nghi dinh s6 127/20071ND-CP ngay 01 thang 8 nam 2007 cua

Chinh phu quy dinh chi ti~t thi hanh mot s6 di~u cua Luat Tieu chu&n va Quy

chuin ky thuat;

Can cir Nghi dinh s6 2S/2008/ND-CP ngay 04 thang 3 nam 2008 cua Chinh

phu quy dinh clurc nang, nhiem vu, quyen han va co cau t6 chirc cua BQ Tai

nguyen va Moi tnrong, da duoc sua d6i, b6 sung tai N ghi dinh s6 19/201 OIND-

CP ngay OS thang 3 nam 2010 cua Chinh phu va Nghi dinh s6 89/20101ND-CP

ngay 16 thang 8 nam 2010 cua Chinh phu;

Theo d S nghi cua T6ng Cue tnrong T6ng cue Moi tnrong, Vu tnrong Vu

Khoa h9C va Cong nghe, Vu tnrong Vu Phap che,

QUYDJNH:

Di~u 1. Ban hanh kern theo Thong tu nay quy chuan ky thuat quoc gia v~

moi twang: QCVN 40:20 Il1BTNMT - Quy chuAn ky thuat quoc gia v~ mrocthai cong nghiep,

Di~u 2. Thong tu nay co hieu lire thi hanh illngay 15 th~~O 12.

Di~u 3. T6ng Cue tnrong T6ng cue Moi tnrong, Thu tnrong cac dan vi

thuoc BQ Tai nguyen va Moi tnrong, Giam d6c Sa Tai nguyen va Moi tnrong

cac tinh, thanh ph6 tnrc thuoc Trung uong va cac t6 chirc, ca nhan lien quan co

trach nhiem thi hanh Thong tu nay.z.

NlYi nlt~n:

- Van phong Trung uong va cac Ban cua Dang;- Van phong Quoc hoi;- Van phong Chu rich mroc;

- Van phong Chinh phu;

- Toa an nhan dan t6i cao;

- Vi~n Ki~m sat nhan dan t6 i cao;

- Cac B9, co quail ngang bi), C O" quan thuoc Chinh phu;

- CO "quan trung uong cua cac dean the;

- HDND, UBND cac tinh, thanh pho true thuoc TW ;

- Sa Tai nguyen va Moi tnrong cac tinh, thanh phl, true

thuoc TW ;

- Cue Ki~m tra van ban (Bi) Tu phap);

- Cong bao; Cong TTDT cua Chinh phu;- C ac d011 v i th uo c B9 TN&MT,

Website cua B9 TN&MT;

- Luu: VT, TCMT, K!J&~2 ' Th (230).J( ,.../'~



CONG HOA xA HOI CHU NGHiA VII;T NAM

QCVN 40:2011/BTNMT

QUY CHuAN K Y THU~T QUOC GIA

V~ NU'oe THAI couo NGHlep

National Technical Regulation on Industrial Wastewater

H A N¢I - 2011



QCVN 40: 2011/BTNMT

L a i n 6 i d A u

aCVN 40:2011/BTNMT do Ban seen thao quy chu~n k9

thu~t quae g ia v~ chAt lU 'Q 'ng nuoc bien soan thay th~aCVN 24:2009/BTNMT, TOng Cl,JCMoi truong, Vl,J Khoa

hoc va Cong nghe, Vl,JPhap ch~ trinh duyet va dU'Q'cban

h an h th ea Thong tU ' s o . .4 : 1 : ' . . /2011m-BTNMT nqay ... ? : -: ~ . .

thang 12 narn 2011 cua B O trucyng B O Tal nguyen va Moi

t rU'ang.

2



QUY CHuAN K Y THU~T ouoc GIAV~ NU'OC THAI CONG NGHlep

National Technical Regulation on Industrial Wastewater

1. QUY £)INHCHUNG

1.1. Pham vi dit\u chinh

QLlY chuan nay quy dinh gia tri tei da cho phep cua cac thong so a

nhiern trong ruroc thai conq nghiep khi xa ra nguon tiep nhan nuoc thai.

1.2. £>6i tU'Q'ng ap dlJng

1.2.1. Quy chuan nay ap dl,mg doi v&i t6 chuc, ca nhan lien quan

den hoat dong xa nuoc thai cong nghiep ra ngu6n tiep nhan ruroc thai.

1.2.2. Nuoc thai cong nghh~p cua mot so nqanh d~c thu dU'qc ap dvng

theo quy chuan ky thuat quoc gia rieng.

1.2.3. NlfO'Cthai cong nghiep xa vao he thOng thu gam cua nha may X l r

Iy nuoc thai tap trung tuan thu thea quy dinh cua don vi quan Iy va van hanh

nha may XLPy ruroc thai tap trung.

1.3. Giai thich thu,t ngCP

Trang Quy chuan nay, cac thuat ngCrdlfO'i day dlfqC hieu nhir sau:

1.3.1. NlfOC thai cong nghiep la nuoc thai phat sinh tu qua trinh congnghe cua co sa san xuat, dich V l , J cong nghiep (sau day gQi chung la co sa

cong nqhiep), tli' nha may xu 1 9 nuoc thai t~p trung c6 dau nei nuoc thai cua

co' sa cong nqhiep.

1.3.2. Nguon tiep nhan nuoc thai la: he thong thoat rnroc do thi. khu

dan CU'; song, suoi, khe, rach: kenh, mU'O'ng;ho, ao, dam; vung nuoc bien yen

bo co rnuc dich S l r dunq xac dinhp-

3



QCVN 40: 2011/BTNMT

2. QUY DINH K Y THU~ T

2.1. Gici tr] t6i da cho phep cua cac thOng 56 0 nhi6m trong nooc

thai cong nghi~p khi xa vao nguem til!p nhan nlfac thai

2.1.1. Gia tr] toi da eho phep ella cac thOng s6 6 nhiem trong nuoc thai

eong nqhiep khi xa vao ngu6n tiep nhan nuoc thai dU'Q'Cfnh toan nhu sau:

Cmax = C x Kq x Kf

Trong do:

- Cmax 113ia tri t6i da cho phep cua thong so 0 nhiem trong nuoc thai

conq nqhiep khi xa vao ngubn tiep nhan nuoc thai.

- C 113ia tr] cua thong so 0 nhiem trong nuoc thai cong nghi$p quy dinh

tal Bang 1;

- Kq la h$ so nguon tiep nhan nuoc thai quy dlnh tal rnuc 2.3 (Fng v&i luu

lU'qng dong chay cua song, suot, khe, rach; kenh, rnuonq; dung ttch cua h6,

ao, dam; rnuc dlch S L r dl,lng cua vung ruroc bi~n yen b6';

, - Kf la h$ so luu 1U'Q'ngngu6n thai quy djnh tal rnuc 2.4 (Fngvai tong luu

1U'Q'ngnuoc thai ella cac co s a cang nghi$p khi xa vao nguon tiep nhan ruroc

thai;

2.1.2. Ap dvng gia tri toi da cho phep Cmax = C (khong ap dunq h$ s6

Kq va Kf) doi voi cac thOng s6: nhiet dO, mau, pH, coliform, Tong hoat dO

phonq xa a, Tong hoat dO ph6ng xa 1 3 .

2.1.3. NU'oc thai cOng nghi$p X 8 vao he thong thoat nuoc do thl, khu

dan CU'chua co nha may xu I y nuoc thai tap trung thi ap dunq gia tri Cmax =

C quy djnh tal cot B Bang 1.

2.2. Gici tr] C cua cac thong 56 6 nhi€!m trong nU'ac thai cong

nghi~p dll'Q'c quy dinh t~i Bang 1

Bang 1:Gia tr] C cua cac thong 56 0 nhi~m trong nll'ac thai cong nghi~p

TT Thong 56£)O'n Gia tr] C

v i A B

1 Nhiet dO °C 40 40

2 Mau PUCo 50 150

3 pH

-6 den 9 5,5 den 9

4 BODs (20°C) mgtl 30 50! A . , . o -~

4



QCVN 40: 2011/BTNMT

5 COD mgtl 75 150

6 Chat dm 1 0 1 lung mgtl 50 100

7 Asen mgtl 0,05 0,1

8 Thuy ngan mgtl 0,005 0,01

9 Chi mgtl 0,1 0,5

10 Cadimi mgtl 0,05 0,1

11 Crom (VI) mgtl 0,05 0,1

12 Crom (III) mgtl 0,2 1

13 £>6ng mgtl 2 2

14 Kern mgtl 3 3

15 Niken mgtl 0,2 0,5

16 Mangan mgtl 0,5 1

17 S~t mgtl 1 5

18 Tong xianua mg/l 0,07 0,1

19 Tong phenol mgt l 0,1 0,5

20 Tong dau rn a khoanq mgtl 5 10

21 Sunfua mgtl 0,2 0,5

22 Florua mgtl 5 10

23 Amoni (tinh theo N) mgtl 5 10

24 Tong nito mgtl 20 40

25 Tong phot pho (tlnh thea P) mgtl 4 6

Clorua26 (kh6ng ap dunq khi X cl V aG mgtl S O D 1000

nguon nuoc man, nuoc 1 < ; > , )

27 Clo du mgtl 1 2

28 Tong hoa chat bao v~ thuc mgtl 0,05 0,1vat cia hfru CO'

29Tong hoa chat bao v~ thuc

mgtl 0,3 1vat ph6t pho hfru co

30 Tong PCB mgtl 0,003 0,01

31 Coliformvi khu~nt

3000 5000100ml

32 Tong hoat d9 ph6ng XQ a 8qtl 0,1 0,1

33 T6ng hoat dO ph6ng xa ~ 8qtl 1,0 1,0Jt»~

5



QCVN 40: 2011/BTNMT

Cot A Bang 1 quy dinh gia trl C cua cac thOng s o 0 nhi~m trong

nuoc thai conq nghi~p khi xa vao ngu6n nuoc dU'Q'cdung cho rnuc dich cap

nU'GCsinh hoat;

Cot B Bang 1 quy dinh gia trl C cua cac thOng so 0 nhiem trong

nuoc thai cOng nghi~p khi xa VaG ngu6n nL.rGCkhong dung cho rnuc dich cap

nuoc sinh hoat;

Muc dich S L r dvng cua nguOn tit§p nhan nuoc thai dU'Q'Cxac djnh tai khu

vue ti~p nhan nuoc thai.

2.3. H~ s6 nguOn ti'p nh~n nU'ae thai Kq

2.3.1. H$ 56 Kq (fng voi hru 1U'Q'ngdong chay cua song, suoi, khe, rach:

kenh, mU'O'ngdU'Q'cquy dinh tal Bang 2 dU'oi day:

Bang 2: H~ s6 Kq (Fng vai lU'u IlI'Q'ng dong chay

cua nguOn ti'p nh~n nU'ae thai

LlI'U lU'gng dong ehay cua nguOn ti'p nh~n nU'ae thai (Q) .Don vi tlnh: met kh6i/giay (m3/5 )

H~so Kq

Q ::;50 0,9

50 < Q s 200 1

200 < Q s 500 1,1

Q>500 1,2

Q duoc tinh theo gia trj trung blnh luu 1U'Q'ngdong chay cua nguOn tit§p

nhan ruroc thai 03 thanq kho ki~t nha.t trong 03 nam lien ti~p (so li~u cua co

quan Khi tU'Q'ngThuy van).

2.3.2. H$ 56 Kq (fng v&i dung tlch cua nguOn ti~p nhan nuoc thai la hO ,

ao, dam dU'Q'Cquy dinh t~i Bang 3 dU'&i day:

Bang 3: H~ s6 Kq i.Pngvai dung tieh ella nguOn ti~p nh~n nU'ae thai

Dung tieh nguon tiep nh~n nU'ae thai (V)H~ 56 Kq

Don vi tinh: met khoi (rrr')

V$. 10 X 106 0,6

10 x 10° < V$.1 00 x 10° 0,8

V> 100 X 106 1,0Ia"-/r, JWV

6



QCVN 40: 2011/BTNMT

V dU'O'ctinh theo gia tr] trung blnh dung tlch cua h6, ao, dam ti~p nhan

nuoc thai 03 thang kho ki$t nhat trong 03 nam lien tiep (so Ii$u cua co quan

Khi tUQ'ngThuy van).

2.3.3. Khi ngu6n tiep nhan ruroc thai khong c6 so lieu v~ luu IU'O'ng

dong chay cua sOng, suoi, khe, rach, kenh, rnuonq thi ap dl,mg Kq :;;;0,9; h6,

ao, dam khong co so lieu v~ dung tlch thi ap dunq Kq :;;;0,6.

2.3.4. He so Kq doi voi ngu6n tiep nhan nuoc thai Iii vung nuoc bien

ven bo, dam pha nuoc man va ruroc 10'ven bien.

Vung nuoc bien ven bo dung cho muc dich bao v$ thuy sinh, the thao

va giai trf dU'O'inuoc, dam pha nuoc man va mroc 10'ven bien ap dunq Kq =

1.

Vung nuoc bien ven bo khOng dung cho rnuc dich bao v$ thuy sinh, the

thao hoac giai trl duoi nuoc ap dunq Kq :;;;1,3.

2.4. H~ 50 lU'u IlI'Q'ng nguan thai Kf

H e so luu IUQ'ngngu6n thai Kf duoc quy dinh tai Bang 4 dU'ai day:

Bang 4: H~ s O lU'u IlI'gng nguan thai Kf

LlI'U lU'gng nguOn thai (F)H~ 50 Kf

DO'n vi tmh: met khoilngay dem (m3/24h)

F::;;50 1,250 < F::;;500 1,1

500 < F s 5.000 1,0

F > 5.000 0,9

LU'u 1U'Q'ngngubn thai F duQ'C tinh theo luu IUQ'ng thai Ian nhat neu

trong Bao cao danh gia tac d¢ng mOi trU'ong, Cam ket baa v$ mol truong hoac

£)~ an baa ve mol truang.

3. PHU'O'NG PHApxAc

£)INH

3.1. Lay mau d~ Xc1C dinh chat 1U'Q'ng nll'ac thai ap dvng theo

hU'ang dan cua cac tieu chuan qu6c gia sau day:

- TCVN 6663-1 :2011 (ISO 5667-1 :2006) - Chat IUQ'ng ruroc - Phan 1:

HU'ang dan I~p chuonq trinh l e f t y mau va ky thuat Ifly mau;

- TCVN 6663-3:2008 (ISO 5667-3: 2003) - Chat 1U'Q'ngnuoc - Lay mau.

HU'ang dan baa q u a n va x U > Iy mau;

- TCVN 5999:1995 (ISO 5667-10: 1992) - Chat IUQ'ng nuoc - Lay mau.

HU'ang dan la y mau nuoc thai~

7



QCVN 40: 2011/BTNMT

3.2. PhLPO'ngphap xac djnh gia trj cac thOng 56 kil!m soat 0

nhi'm trong nU'ae thai eOng nghi~p thuc hi~n theo cac tieu chuan qu6e

gia v a qu6e t~ sau day:

- TCVN 4557: 1988 Chat IUQ'ngnuoc - Phuonq phap xac djnh nhi~t de>;

- TCVN 6492:2011 (ISO 10523:2008) Chat 1U'Q'ngnuoc - Xac djnh

pH;

- TCVN 6185:2008 - Chat 1U'Q'ngnuoc - Ki~m tra va xac dinh mau sac:

- TCVN 6001-1:2008 (ISO 5815-1:2003), Chat 1U'Q'ngnuoc - Xac djnh

nhu cau oxy sinh h6a sau n ngay (BOOn) - Phan 1: Phuong phap pha loang

va cay co b6 sung allylthiourea;

- TCVN 6001-2:2008 (ISO 5815-2:2003), Chat 1U'Q'ngnuoc - xac djnh

nhu cau oxy sinh h6a sau n ngay (BOOn) - Phan 2: Phuonq phap dung chomau kh6ng pha loanq:

- TCVN 6491 :1999 (ISO 6060:1989) Chat IUQ'ng nuoc - Xac dinh nhu

cau oxy hoa hoc (COD);

- TCVN 6625:2000 (ISO 11923:1997) Chat 1U'Q'nguroc - Xac djnh chat

ritn 10'Ilrng b~ng each lee qua cal lee soi thuy tinh;

- TCVN 6626:2000 Chat 1U'Q'ngnuoc - Xac djnh asen - Phuonq phap do

ph6 hap thu nguyen tLr (ky thuat hydro);

_ TCVN 7877:2008 (ISO 5666:1999) Chat ILPQ'ngnuoc - xac djnh thuy

nqan:

- TCVN 6193:1996 Chat IUQ'ng nuoc - Xac dinh coban, niken, dOng,

kern, cadimi va chi. Phuonq phap tr~c ph6 hap thu nguyen tLr nqon Ilra;

- TCVN 6222:2008 Chat 1U'Q'ngnuoc - Xac djnh crom - Phuonq phap do

ph6 hap thu nguyen tlr;

- TCVN 6658:2000 Chat lU'qng nuoc - xac djnh crom hoa trj sau -

Phuonq phap tr~c Quang dung 1,5 - diphenylcacbazid;

- TCVN 6002:1995 Chat 1U'Q'ngruroc - Xac djnh mangan - Phuonq

phap trac quang dung formaldoxim;

-'TCVN 6177:1996 Chat 1U'Q'ngnuoc - Xac djnh sflt b~ng phuonq phap

trac ph6 dung thuoc thLr 1,1O-phenantrolinlu-

8



QCVN 40: 2011/BTNMT

- TCVN 6665:2011 (ISO 11885:2007) Chat 1U'Q'ngnuoc- Xac djnh

nguyen to chon IQc b~ng phO phat xa Quang Plasma cap cam (rng (ICP-

OES);

- TCVN 6181 :1996 (ISO 6703-1 :1984) Chat 1U'Q'ngnuoc - Xac dinh

xianua tOng;

- TCVN 6494-1 :2011 (ISO 10304-1 :2007) Chat 1U'Q'ngnuoc - Xac dinh

cac anion hoa tan b~ng phuonq phap sac ki lang ion - Phan 1: Xac dinh

bromua, clorua, florua, nitrat, nitrit, phosphat va sunphat hoa tan;

- TCVN 6216:1996 (ISO 6439:1990) Chat 1U'Q'nguroc - Xac dinh chi so

phenol - PhU'O'ngphap tr~c phO dung 4-aminoantipyrin sau khi chunq cat;

- TCVN 6199-1:1995 (ISO 8165/1:1992) Chat 1U'Q'nguroc- Xac dinh cac

phenol don hoa trl Il)'a chon. Phan 1: PhU'O'ngphap sac ky khi sau khi lam

giau b~ng chiet:

- TCVN 5070:1995 Chat 1U'Q'ngnuoc - PhU'O'ng phap kh6i lU'qng xac

dinh dclUrna va san phftm dau rna;

- TCVN 7875:2008 NU'cyc- Xac dinh dau va rna - Phuonq phap chieu

hOng nqoai:

- TCVN 6637:2000 (ISO 10530:1992) Chat 1U'Q'nguroc-Xac dinh sunfua

hoa tan- Phuonq phap do Quang dung metylen xanh;

- TCVN 5988:1995 (ISO 5664:1984) Chat 1U'Q'ngnuoc - Xac dinh arnoni

- Phuonq phap chunq cat va chuan do;

- TCVN 6620:2000 Chat 1U'Q'nguroc - Xac dinh amoni - PhU'O'ngphap

di~n the;

- TCVN 6638:2000 Chat 1U'Q'ngnuoc - Xac dinh nito - V o CO' h6a xuc tac

sau khi khlf b~ng hop kim Devarda;

- TCVN 6202:2008 (ISO 6878:2004) Chat 1U'Q'ngnooc - Xac dinh phet

pho - Phuonq phap do pho dung amoni rnolipdat;

- TCVN 8775:2011 Chat 1U'Q'ng L f C Y C - Xac dinh coliform tOng so - Ky

thuat rnanq IQc;

- TCVN 6187-1:2009 (ISO 9308-1: 2000) Chat 1U'Q'ngnuoc - Phat hiEiln

va dem escherichia coli va vi khuan coliform. Phan 1: PhU'O'ngphap IQcmang~

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QCVN 40: 2011/BTNMT

- TCVN 6187-2:1996 (ISO 9308-2:1990(E)) Char 1U'oongnuoc - Phat

hien va d~rn vi khuan coliform, vi khuan coliform chju nhiet va escherichia coli

gia dinh. Phan 2: PhU'O'ngphap nhi~u Ong (sOco xac suat cao nhat):

- TCVN 6225-3:2011 (ISO 7393-3:1990) Chat 1U'oongnuoc - Xac dinh cia

tV' do va clo tOng 50. PhilO 3 - Phuonq phap chuan dO iot xac dinh cia tOng

56'I

- TCVN 7876:2008 NU'cYc- Xac djnh ham 1U'oonghuoc tru sau cia huu

co - PhU'O'ngphap sac k Y khi chi~t 16ng-16ng;

- TCVN 8062:2009 Xac dlnh hoopchat phospho huu co b~ng sac ky khl

- Ky thuat cot mao quan;

- TGVN 6053:2011 Chat 1U'oongnU'cYc- £)0 tOng heat dO ph6ng xa anpha

trong nU'cYckhOng man - PhuO'ng phap nguOn day;

- TCVN 6219:2011 Chat 1U'oonguroc - Do tOng hoat dO ph6ng xa beta

trang nuoc khOng man.

3.3. Chap nhan cac phuonq phap phan tich hU'cYngdan trong cac tieu

chuan quae gia va quoc t~. co do chinh xac tLfO'ng dU'O'nghoac cao non cac

tleu chuan vien dan a rnuc 3.2. va cac tleu chuan quoc gia, quoc t~ moi ban

hanh nhunq chua dU'oocvi~n dan trong quy chuan nay.

4.T6 CHlrC THt)'CHII~N

4.1 ~l Quy chuan nay ap dl.lng thay th~ QCVN 24:2009/BTNMT - Quy

chuan kY' thu~t quoc gia v~ nuoc thai cOng nghi~p ban hanh kern thea ThOng

tll' sa 25/2009ITT-BTNMT ngay 16 thang 11 narn 2009 cua BO trU'ang BOTai

nguyen va Moi trU'ang quy djnh Quy chuan ky thu~t quoc gia v~ mOi trll'ang.

4.2. UBND cac tinh, thanh phO true thuoc trung U'O'ngcOng bO rnuc dich

S lY dt,mg nguon nuoc va He so Kq trong quy hoach S lY dl.lng nguon ruroc va

phan vung ti~p nhan nuoc thai.

4.3. CO' quan quan Iy nha nuoc v~ mol trlJ'ang can C lY vao d~c di~m,

tinh chat ella ruroc thai cOng nghiep va rnuc dich Slr dl,mg ella ngubn ti~p

nhan d~ Il!a chon cac thong so 0 nhiem d~c trlJ'ng va giil tri co ban (gia trl C)

quy dinh tf.li Bang 1 trong viee ki~rn soat 0 nhiem mOi trU'cJng.

4.4. Trll'ang hop cac tieu chuan quae gia vien dan trang Quy chuan nay

sua dOi, b6 sung hoac thay th~ thi ap dl.lng theo tieu chuan m&i~

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TT47_QCVN 40.2001_Nuoc Thai Cong Nghiep Thay the QCVN 24

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