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PCB's (Polychlorinated biphenyls)
Dangerous chemicals released from industrial waste, and often leaking into the world"s oceans over many decades.
Some scientists have expressed concern that farmed salmon, and other shallow water fish, might have potentially dangerous levels. See 'Salmon; Farmed'
If you enjoy cooking take a minute to look at ‘Simon Scrutton French Cookery Classes’ on Google – and learn how to make top class bistro-style dishes. Suitable for beginners upwards. Small classes.