| Figure
3.7. |
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Near-total cadmium (Cd) concentrations in water
in parts per billion (ppb) at 24 RMP stations sampled
in January, April, and August 1997. Concentrations
ranged from 0.02 to 0.19 ppb. The highest concentration
was sampled at Petaluma River (BD15) in August and
the lowest at San Joaquin River (BG30) in April.
Average concentrations were highest (0.12 ppb) in
the South Bay in August and lowest (0.02 ppb) in
the Rivers in April. All samples were below the
4-day average WQO for total cadmium (saltwater 9.3
ppb, freshwater--hardness dependent). |
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