ANCHORAGE (AP) -- Alyeska Pipeline Service Co. estimated Wednesday that nearly 25,000 gallons of refrigerant brine solution may have spilled from the refrigeration loop beneath the warehouse and shop area at a pipeline pump station.
Crews were working to pinpoint the location of a leak that caused the spill at Pump Station No. 1 of the trans-Alaska oil pipeline.
The refrigeration line keeps the gravel pad under the warehouse frozen to maintain its structural integrity.
The brine is a mix of water, calcium chloride and hexavalent chromium.
Alyeska officials said they were not sure when the spill occurred. It was discovered and reported Tuesday.
Workers plan to use a fiber-optic camera to examine the inside of the pipe to find the leak.
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