CONTENTS 
Page 
Abstract a a a a a ag ao aa 1 
SUEY NITE Ye © GU CS C3 0 eS a a a 3 
Rielidvisampling sand sSampliey prepa tal tl ON 7 
(Ghegnialy heey, Eales Gea Way Lela Lel ah aU Ya a 10 
Tee VOCS TSHE ML FeymuelaaiAa ley Gop fo Ket Kal OD Gl Sy a al 
Jehelejopelncrslien ito) ol. Lope (sIecofed xo fsKopd NY cio) oI 11 
BEepa ate tomeo fest OCs SON iM te Oy Ba 14 
VSS a i 14 
Aluminum, iron, chromium, nickel, and vanadium-----~----~--~-------~ 14 
WuSeial ss exeyayoye 5 eelvvall Cee Go (nS NN 14 
eraewaVecta: eynal (aU SS 15 
YAR SSG WG 3 a a ta al, 
JNalols rea tfoy n= 10 | un =3\ 6) 10 0 17 
Analytical accuracy sand \ DGC CL STi Ol a N7/ 
Replies; eiael GhiSC WSS CS 21 
BS > CATON Ne a 21 
ETRY el orm © teal peta SLE 25 
Trace metals in the fine fraction of sediment---------------~---~--- 30 
Trace metals in different size fractions of sediment------------- Sy 
Trace-metal concentrations of sediment-trap samples-------------- 45 
Trace-metal variations with depth in sediment------------~-------- 48 
Barium inventory and decrease at block 312----------------------- 57 
Summarys Ofeeimportant | foond in pS 67 
Re Comme nidialte 1: Onn Sims LO ra eats waite Te © WO i 68 
RG as Ge Ls a a 70 
PAN Pe Le SO a 74 
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