toxins
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NS steel plant’s notorious tar ponds transformed into green space
Cleanup of Sydney Steel site included raw sewage, heavy metals, dioxins, PCBs and other toxins.
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Ottawa won’t investigate Suncor spill despite toxin findings
Undiluted samples from the spill killed rainbow trout exposed to it.
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Suncor pipe discharge toxic to fish, tests say
Metals including selenium, boron and arsenic found at twice the recommended levels.