Trans Mountain says an estimated 150-190 cubic metres (150,000 to 190,000 litres) of sweet crude oil spilled from its Sumas Pump station this weekend.
B.C.’s Ministry of Environment had earlier said the initial amount reported was estimated at 1,500 litres.
The pipeline was shut down early Saturday and remained shut down Sunday, amid cleanup operations.
Trans Mountain said it expects to restart the line Sunday afternoon.
“Clean-up is well underway with trucks and crews working around the clock. The free-standing oil has been recovered and is being transported to an approved facility for disposal,” said Trans Mountain in a statement Sunday.
“The site has permanent groundwater monitoring in place and air monitoring continues. Monitoring has not identified any risk to the public or community.”
The company said an investigation had found that the spill was related to a fitting on a 2.5-centimetre piece of pipe connected to the mianline.
It said there was no pipeline expansion construction taking place nearby at the time.
The company says that a control centre alarm alerted it to the spill in the “early morning hours” of Saturday.
According to provincial regulators, the spill occurred around 11:20 p.m. Friday night.
“The spilled material has not migrated offsite due to the incident site having perimeter berms,” said B.C. Spill Response Saturday afternoon.
Trans Mountain said the spill had been fully “contained” and that there was no risk to the public.
The Union of BC Indian Chiefs said Sunday that spilled oil escaped into a field adjacent to the pump station, which is also owned by Trans Mountain, but leased for agricultural uses.
“Our main concern is for the clean-up of this spill and preventing further impacts to our territory. We need to have our monitors on the ground immediately,” said Sumas First Nation Chief Dalton Silver in a statement.
“We need to understand what is going on from our point of view, how much oil spilled, what has been impacted, and what needs to be done to clean it up. We cannot continue to have our land desecrated by oil spills. This is the fourth time in 15 years that this pipeline has had a spill on our land.”
B.C. Spill Response said Trans Mountain’s Oil Spill Containment and Recovery (OSCAR) trailers, vacuum trucks and emergency response contractors had been deployed to the site.
An environmental emergency response officer (EERO) from the Ministry of Environment and Climate Change Strategy was also deployed to the site.
© 2020 Global News, a division of Corus Entertainment Inc.
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2020-06-14 20:50:52Z
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