fl=: I* 0il {e&F-# & ry@ B!:;@ * *{F B-qH * :@ ffi& ffir ****:,' 5m Miu nrl6c tdng mit dugc thu c6ch m{t nudc lm, miu nrl6c tdng d6y drroc thu c6ch d6y lm - Cdc phrtong ph6p phAn tich kim loai ning bing m6y hdp phq nguyen ttr AA5-660I theo TCVN' 6193:1996 vi ISO 8283:1986 [5] Ngodi ra, nh6m tdc gii cfrng sil dung phuong ph6p xu ly sd li6u theo th6ng tir vd Htidng ain aam bio ch6t lrrgng, kidm so6t ch{t lu-ong trong-quan tric vi ph6n tich m6i t-rudng dd loai b6 tac ui ,8, c6c kdt q,ri Uat thrtong [6] Kdt qui nghi6n crlu 3.1 Hdm Mqng kim logi Cu itio venbd a nt6c hidn xd Xa ViAt Hdi GHCP, chrla c6 ddu hidu nhi6m Cu xa Nhdn ChAu qu6 him lrrong Cu nd6c bidn khu vtlc xi Nhol Chdu trJong d6i ddng ddu girra c6c tram khio dQng khoing ttr 54,g1 _ 70,321tgll,trung slt,.dag binh d4t 64,261tg11 Cs thd, gi6 trf hnm ltrqng Cu caJ +l1auq: phdt hiQn tai miu nrr6c tdng d6y itra tr4m MCI-I - khu vrJc b6i tim cira xi dio Nhon'ChAu, thu h-u! dgng dio khdch du lich n6n luu girl nhidu lo4i chdt th6i rin khdc nhau, d6 c6 c6iloai ch6t thai cf{a lo4i Trong d6, gi6 tri him lrrgng Cu th6p $m $1! q.iq lip thdy m6u nd6c tdng aai t4i tr4m MCIV-2 Vd sg phAn thing dfng cria'thdng s6 bu _b6 cdt nddc, c6c din liQu tir Hinh cho thiy him klOng C-u t{p trung nhidu hon tdng ddy (10/15 tram) so vdi tdng mit (5/15 tram) (Hinh s) b xn viet irni Xi Nhm Chlu I 970 a& i0 40 LHinh sdt Hdm xa ViAt Hdi Theo Hinh 4, kdt qui him ltio ng Cu nU6c bidn khu 4tc x6 Vi6t Hai kh6ng ddng ddu giaa c6c tram kh6o s6t, thttdng cao tai mat cii II, If, IV vd ni6c bidn tai cdc tram khdo Qua Hinh 5, Ddi chidu v6i eCVN 10-MT: 2015/ ITNMI cOt (Virng nu6i trdng thfiy s6n, bio t6n thtry sinh) (2001tg/1) t2l thi him Lrgng Cu m6i Chuydn dd ilt, thiing nem 20t8 I 5l rEr euA NGHTEN crJu KHoA Hoc " gi6tri him luo ng pb gitra hai tdng ntt6c, tti -_ lo f$ cho thdy, him higng fb ep trung nh]6u hon d Tr"h.8 FlFd|y \12115 tram) so vdi tdng m{t {i6rrg tai tram M9v.-2,-khdng ph6t hi€n drlgc ham lrro.ng"tb t.orrg tdng mdt vi tdng d6y Th"Uc t6, trari 3j!1U1en"ca-trong yCV-? gdn hdn Ddu, c6 m6i tnrong nridc s4ch, il t1u thuydn qua l4i vi it ngudn ph6t ,irrh ch{t thii chrla kim loai n4ng c XdNamDu * _ _Y1lry_c*PyNg goryc NGHE Qua Hinh 10, kdt qu6 him lrro ng Zn nd6c bidn khu vrrc x6 Viet Hai kh6ng ddng ddu gifla c6c tram kh6o s6t C6 4/t5 tr4mkh6ng ph6t hiQn dttgcZn nrtdc bidn (ci tdng m4t vi tdng ddy) bao gdm: MCI-2, MCII-3, MCIII-3, MCIV_3 Ham lud.n; Zn ph6t hi6n dugc bi6n thi6n khoing 28,87 ygll, trung binh dqt 9,9 4pryll Gi6 tri him lrrong til 8,04 d6n Zn caonhdt dttoc tim th6y miu nrl6c tdng d6y t4i tr4m MCI-I (2S,87qgll) th{p hon GHCP quy dinh eCVN 10_MT: 2015/ BTNMT cQt I (Vring nu6i trdng thiry sin, b6o tdn thtry sinh) (500pg/l) hon l7ldn, d6 chua c6 ddu hi6u d nhi6m d5i v6i kim loai Zn [2] Vd sU phin bd th8ng drtng cira th6ng s6 Zn c$t nu6c, tii Hinh 10 cho thdy, him lu gngZnt{p trung nhidu hon d tdng diy (SlL2 tram ph6t h i6n Zntrong c6 v D ! D:r D v o ! D )r D v D ; ,'r; ,, , !ct.: votl rrol.l \t.il: vot nolt w,.- rtfl! \,fllr"';',\tn.2 \lo j Yllcrlll Iarcitm urrorn utt t| 2tdngnrrdc) b Xa Tm LHinh Hdm ltong pb nil6c bidn tqi ctic tram khdo stit xd Nam Du TiI Hinh 9, Pb drtoc ph6t hi6n nti6c bidn khu Wc xa Nam Du tai t4/15 tr4m (ngoailrt tr4m: MCI_ ci,e-tIi_him higng pb cao nh{I drrgc ph6t hi6n tai ?) tr4m MCII-2 (nnc,c tdng d6y dar 11,91pg/l) thdp hon GHCP quy dinh eCVN 10_MT: )"OrS/BfNIaf nu6i trdng_thiry s6n, b6o tdn thfry sinh) 991 (Yy"g (sfUSlt) hon 4ldn, cho ihdy chrra c6 d{u hifu 6'nhi6m d6i.vdi lb tZt Gid tri him lugng pb trung Linf, trorj nri6c bidn toin x6 Nam Du dat l,76g9ll " !o s6$ gi6 tri him lugng Cu girla hai tdng nu6c, tit pb t{p trung nhldu hon d {inh.? cho th{yhnm lrrqng tdng d6y (9lt4tram) so vOi tdng m6t 3.3 Hdm ltqng kim logi Zn ni6c bidn xd ildo venbd a Xa ViAt Hdi Nhdn ChAu K6t qui him lrrong Zn nrJ6c bi6n khu vrJc xi Nhon ChAu kh6ng ddng ddu gifia c6c mit c5t vi gifia c6c tram kh6o s6t (Hinh tl) Gid trf him lugng Zn cao nhdt drioc ph6t hi6n t4i miu nrr6c tdng d6y cira tr4m MCV-I (dat 61,07pgll) Trongkhi d6, gi6 tri him lrrong Zn nh6 nhdt dugc phdn tich m6u nrldc tdng mdt tai vi tri MCII-I (18,51prg/l) O6i chi6u v6i QC\|N 10-MT:2015/BTNMT cQt (vtrng nu6i trdng thiry sin, bio tdn rhtry sinh) (500prg/l) tli fram t,iqnt Zn m6i trtldng nrldc bidn t4it6t citcic tram kh6o s6t xi Nhon Chdu ddu th6p hon GHCP nhidu ldn, n6n chrta c6 ddu hi6u nhi6m Zn) [Z] Vd srr phdn bd thing drlng cira th6ng s6 Zn cdt nrtdc t4i khu vdc x6 Nhon Chdu, trl Hinh 11 cho thdy him lrro ng Zn tip trung nhidu hon rdng d6y (l2ll5 tram kh6o silt) so vdi tdng mit T{DMD{ L Hinh 10 stit xdViQt Hdm bqng Zn rut6c bidn tai c6c trqm khdo Hdi L:mn! !1 DMDTl Hdm laqng Zn rut6c bidn tai cdc tram khdo srit xd NhOn Chhu Chuy€n eld il, thiing ndm 2Ot8 I 53 ... chrla kim lo4i ning m6i tnrdng bidn t4i ba x6 dio Kim lo4i nSng li khdi ni6m chi nhrrng kim lo4i c6 nguydn tii hiong cao vi thudng c6 d6c linh cao d6i y6i sU s6ng ctra ngrldi vi sinh vAt Kim lo4i... eco-tourism l+g) rn xuAN SINH, NGUYEN vAN gAcH D6nh gi6 him-lrrgng kim lo4i n4ng (ddng, chi vi k6m) nddc bidn r4i mQt s6 x6 d6o ven bd Vi6t Nam Assessment of heavy metal concentration (copper lead and... lrrgng, kidm so6t ch{t lu-ong trong- quan tric vi ph6n tich m6i t-rudng dd loai b6 tac ui ,8, c6c kdt q,ri Uat thrtong [6] Kdt qui nghi6n crlu 3.1 Hdm Mqng kim logi Cu itio venbd a nt6c hidn xd Xa ViAt