Would convert 77,000 barrels of diluted bitumen daily into medium synthetic crude and an ultra low sulphur diesel.
Almost 50% of the salmon exposed to the highest amount died during the first two months after they were moved to clean water.
Revised output expected to be 422,500 barrels per day, down from 440,000 bpd.
Production of upgraded bitumen could remain offline at its works north of Fort McMurray through July.
Sherritt’s process creates a lighter barrel of oil that will flow in a pipeline without being diluted.
It’s responsible for about 56 million tonnes per year of the total of 71 million tonnes of GHGs emitted.
Will help deal with an issue that is constraining capacity on a line that feeds bitumen from the mine to the upgrader.
Loan guarantees and grants to attract from two to five partial oil upgrading facilities and $5 billion of private investment.
As much as 30% more bitumen could be stuffed into existing pipelines if it is partially refined.
Self-sealing balls of bitumen can then be moved in coal rail cars or transport trucks.
Newly constructed well projects likely to be profitable at benchmark oil prices of about US$50 per barrel.
Among the concerns is the prospect of more ‘dirty’ Alberta bitumen coming to the area.
Unpublished report says potential toxic effects and environmental threats from bitumen pipelines are relatively unknown.
Document was obtained by Greenpeace under freedom-of-information legislation.
Government says regulation should address First Nations concerns about environmental issues associated to oil pipelines.