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23 77
Technical eports
Technical Reports are research documents that are of sufficient importance tobe pre erved but which for orne reason are not appropriate for primary scientificpublication. Inquirie concerning any particular Report should be directed to theissuing establi hment.
Rapports Techniques
Le rapports technique ont des documents de recherche qui revetent une assezgrande importance pour etre conserves mais qui pour une rai on ou pour une autrene conviennent pa a une publication cientifique prioritaire. Pour toute demandede renseignements concernant un rapport particulier il faut s'adresser au servicerespon able.
and the En'viJrorlffiE:ntFisheries and Marine
Peches et Canadades peches et des bL:,LerlG!;::~b
de Ia rrer
'I'EC'J:iNlCAL REPORT NO. 696 RAPPORT TECHNIQUE NO. 696
dans cettefUl~enlt U'--'-~C-'-""C;;;::> corme RaJPPC)rt:s
V,L,L.1.\.= des re<~herclles
pe(:::heriE~s Canada. I.echange avec
rapT:xJrt numero )
SOME OBSERVATIONS ON HEAVY METAL
CONCENTRATION IN NORTHEASTERN NEW
ESTUARINE SURFICIAL SEDIMENTS
S. RAY and W. WHITE
~hnical Re}:X)rt from theFreshwater and Anadrorrous '-'J-V"'~''''-VH
Reso~ce BranchHalifax, Nova '-'\.A.!'-L,u.
Ceci est Ie premierRapport Technique de Ia
Division des eaux e-t}:X)issons anadrorres
Direction de Ia resso~ce
I-Jalifax,
I 9 7 7
CONTENTS
LIST OF TABLES. . . . .
LIST OF ILLUSTRATIONS .
ABSTRACT...
INTRODUCTION...
EXPERIMENTAL METHODS ..
RESULTS AND DISCUSSION .Copper . . .Zinc .. .. e /II /II ., e 0 $ til
Lead . . . . . . . . .Cadmium. .
APPENDIX A - HEAVY METAL CONCENTRATION INRECEIVING STREAMS OF NEPISIGUITRIVER BASIN .
APPENDIX B - HEAVY METAL CONCENTRATION INRECEIVING STREAMS OF MIRAMICHIRIVER BASIN. . . . . . . . . .
APPENDIX C - HEAVY METAL CONCENTRATION INRECEIVING STREAMS OF RESTIGOUCHERIVER BASIN. . . ..
REFERENCES.
v
v
1
2
35555
17
21
23
LIST OF TABLES
TABLE 1 northeastern~aH'~~~~, July, 1973. 5
TABLE 2. harbour5
TABLE 3. Mean of heavy
LIST OF ILLUSTRATIONS
9
10
12
11
13
15
16
Nepisiguit
Miramichi
metals
metals
metalsof
of
s in Restigouche River .•
Study area of northeastern New Brun
Sampling sites in Miramichi River.
Sampling sites in Nepisiguit River
Sampling s
Concentration ofRiver••..•.
Concentration of heavy metals in Middle River. 14
FIG. 1.
FIG. 2.
FIG. 3.
FIG. 4.
FIG. 5
FIG. 6.
FIG. 7.
FIG. 8.
but thelevelscontrolled.
F-,-,;;;>uc;,-,-
Tech.
RESUME
metal
metal
rest
; and therewaters at the
the catchmentthree major, but closfrom mining operationsoverflowing or drained from
and leaching fromstored the
f base-mesystems.
METHODS
totself, a
sai
ofthe rest of
, no.
The callead and iron.
RESULTS AND DISCUSSION
It wasBathurst area the freground 1 of 150values thewerefound to be about 12 ppm,different streamsknown orediminishedz were correlatedand
sHoweve
""''-''''''''=, had
metals
TABLE 1. Heavy-metal concentration in northeasternNew sediment samples, July, 1973.
Location Conoentrations (llg/g) (air dry)Cu Zn Pb Cd
si 1 13 146 20 0 882 5 82 10 0.523 19 146 26 0.954 21 206 39 1 195 15 163 27 o 966 34 391 8 1.987 65 520 36 3.768 63 437 23 2.769 80 438 24 2.56
10 69 84 8 0.4211 12 117 11 0.67
Miramichi 1 9 84 11 0.532 6 72 9 0.513 5 65 9 0.614 10 104 15 0.94
Restigouche 1 9 49 13 0.602 6 53 11 0.563 11 48 16 1.07
TABLE 2. Heavy-metal concentration in some harbourthe Maritimes, 1973. 1
Sample no.
Concentrations(~g/gf dry weight)Cu Zn Pb
CansoNova a 1 4 27
2 4 243 22 164 10 50
,Prince Edward Island 1 13 55 8
2 14 58 63 7 47 9
Dalhousie,New Brunswick 1 3 15 5( ) 2 9 29
3 5 18 4
1Data
a range ofShimp 1972) Inwere 26 0 and 20
Zincrange of 1381974). Inbeen found at1973) .
The Nepisiguit River a much higher average zand again, the two channels show their respective spatterns. The main has an average of 447 ppm, whereasthe Middle River has 171 ppm.
sedimentof 81.0 and 50 0 ppm,
s at
havere
Cadmium
the
(19 ) set the maximum acceptable levels
, the average is 1.51 ppm, and allexceed the acceptable level. In fact,
sites have cadmium levels far inand be cons as
and , oneexcess of accept-Owing to an insuffi-
ve canimportance that the
minimum.
of the three rivers areRideau river sediments, which
to be ,at least in certain locations(Table 3).- However comparison of the metal contents inthese rs the Ottawa and Rideau rivers would be se,s the latter were ana on the -80 mesh (180 ~m)
whereas the data study are based on a -10 mesh(2.00 rom). It is known that finer sediment samples containedmore heavy metal than did coarse materials. Consequently, the
s of the Ottawa Rideau rivers would be expected tothose the three New Brunswick rivers. However, the
the exceeded those from t~eOttawa andand zinc, and samples from all three Newexceeded those from the Ottawa and Rideau in
Mean concentration of heavy metal in river
RestigoucheRiver
Mean Concentration (ppm)Ottawal Rideau! Nepisiguit Miramichi
River River
euZnPb
26138
460.45
20118
62o 46
33188
191.51
7.48111
0.65
95013
0.74
1974.
ty was investigatedhigh metal content of the
to those of the Miwater-analysis values were
1973 (Environmentz and
HarbourZ.f metal
the other.
collected from a survey conducted1974) ces AI B C)tents of the two channels ofthe metal content of the two streams:Nepisiguit River channel is hi thanthe lead content of the Middle ver esproportional and re thethe effluent ck No. 12 min
most of the e~~H'~H
enter theIt is well that
deposited in the sediments,are passed to sh andet al. (1975) have tratedby fish from sediments, without themechanism.
In view of the above results, it can beconcentrations of metals in Nepisiguit River surparallel the concentrations of metals the receand may be hazardous to the aquatic ecosystem.should be closely controlled to prevent anyin concentration levels in the sediments. If beachieved, it is hoped that most of the metalsdissipate in the ocean water.
(1)
Nepisiguit River
Middle River
Chaleur Bay
Pabinellu Falls
20kme=:=====
Copperfiekls Mining Corp.
® Restigouche Mines
® Anaconda American Brass Ltd.
Nigadoo River Mines Ltd.
® Brunswick No.12
@ Brunswick No.6
o Heath Steele Mines Ltd.
® Chester Mines Ltd.
Bumthm-Tungsten Mines
South Sevogle River
SouthwestMiramichi River
FIG. L area of northeastern New
2km
IoI
Navigation channelo Sediment sampling sites
~.f Mud and eel grass
River
River
Middle River
FIG. 2 Sampling sites Nepis River.
Little SouthwestMiramichi River
NorthwestMiramichi River
km
:;-.:::: -:.---.:.. Navigation channelo Sediment sampling sites
FIG. 3. Sampling sites Miramichi River.
I-'N
~
_ channelSediment samDlina sitesMud and eel
o....#..(('dff1f:~
\!ff)4%~!fl
=:::=-";,,:"'.;::.
----
FIG. 4. s .
800
0""",· "0 Zincx ;X COl]lpert.} - - - {lJ lead0-' -.-[]
x10](10
600
400
200
8/1:1,\
/ '\'./>1 \\./ / \ \
./ / \ \
Ai' 1 \ "_._.-. 1 \ .1 \ \
-- - - 1 \ \-&\ \\ b\ \\ \
\ \\ \
\ \&- - --\
o9 1 10
Sites (downstream~ )
FIG. 5. Concentration of heavy metals in Nepis
14
800
0· .. ·······0 Zinc)( X Co~lper
- a. lead'-8 Cadlmium
xi0x10
600
400
200
111015
Ol.........__---. --.. ......,... ..,.- ,....- ,....__-,
Sites (downstream~ )
FIG. 6. Concentration of heavy metals in Middle
160
120
c:o:;:: 80E....c:8c:o()
40
o
......... '0 Zinc
x10l!:J,- - - -ih Lead x10l3-- . . --e Cadmium
XQ
Sites (do1iVns'tream~ )
II
I
/
FIG. 7. Concentration of
16
160
0·" ·······0 ZincX :x Copper8-- - -8 Lead
• - •.........Q Cadlmium
x10x10x100
8/
//
/
//
/
//
//
/'/'
/'/'
/'/'
/'/'
/'/'
~/'/'
/'/'
/'/'
/'/'
/'/'
/'/'
I)j/'
80
120
.-.-'_.-'-e-'-'
40
o
Sites (downstream ---). )
FIG. 8. Concentration of heavy metals in Restigouche
APPENDIX A
HEAVY METAL CONCENTR~T INRECEIVING STREAMS OF NEPISIGUIT RIVER BASIN
streamno
Ltd.
AB-1 3 <AB-6 Below mine 56 4AB-4 50 mouth at
Nepisiguit River 10 80AB-7 Nepisiguit River, 2
Ie Brook 5
Brunswick No. 12(Little River)
B-7 Little River (control) 2 9 <B-6 Little
below mine 22 1,9 1,030 1B-8 Little River, above
appox. 1 mi 11 4,150 60
. 3
. 422
613
45
<
B
HEAVY METAL CONCENTRATION INRECEIVING STREAMS OF RIVER BASIN
te no.ands
H-122
H-3 South Tomogonops f belowtailings pond 4 73
Tomogonops River at mouth, 50 ftH-17 above junction of Tomogonops
and N.W. Miramichi 16 225H-21 NeW. Mirami below,
Tomogonops at Wayerton 2 26
BT-52 21
below
C-7
C-8
2
2
2
RECEIVING STREAMS OF RESTIGOUCHE
no.am
CMC-1
CMC-5
CMC-7 f at
2
3
5
13
1
467
5
R-7
REFERENCES
'l'upp,e:r, J.M i M. Carter.Pb, Zn, Cu, As, Sb, Mo, Sn
waters and streamct New
Del
Toronto
~UHU~U. 1974. 1973 NewData.
Report, EPS 5~AR-74 16
sf M.R., M.D. Miller and
effects of mining wastes in Nor~hwest
Management Branch, Fisheries and MarineSeries No
Se
Co 1973. BaseBrun ck.
Canada,
ver, B.G Agl::;mcun . 19 74 •s Ottawa and
rectorate.
f A.P. 1959.elements
Inc New York