Table 1. Concentrations of metals in the high-molecular-weight 
(HMW) and low low-molecular-weight (LMW) (1 x 10” 4 umoles /g 
wet weight) protein fractions in the supernatant fluid from 
homogenized digestive glands from 25 mussels from Tomales Bay 
and South San Francisco Bay. 
TOMALES 
BAY 
SOUTH SAN 
FRANCISCO BAY 
HMW 
LMW 
HMW 
LMW 
Zinc 
330 
770 
460 
1320 
Copper 
10 
330 
480 
3600 
Cadimum 
ne£ 
ND 
140 
1600 
Total 
340 
1100 
1080 
6520 
a ND, none detected 
117 
