RCMP officials announced late Friday that they are still not satisfied that two tonnes of an explosive chemical compound that was feared missing has been accounted for.
Police said they were contacted by pipeline and energy storage company Kinder Morgan on Dec. 31 about two one-tonne bags of ammonium nitrate that may have gone missing from a 6,000 bag shipment in the fall.
On Jan. 6, police said, the company informed authorities that the inventory discrepancy was the result of a clerical error and that all the material had been accounted for.
RCMP spokeswoman Cpl. Annie Linteau said in a statement Friday that investigators with the RCMP and Natural Resources Canada have been reviewing Kinder Morgan's assessment.
"To date, investigators have not been able to confirm Kinder Morgan's conclusions," she said.
"The RCMP will continue to work diligently to determine whether any product is in fact missing, and if so, what happened to it."
Linteau said there is no evidence so far of any theft or criminal wrongdoing.
Ammonium nitrate, commonly used as a high-nitrogen fertilizer, is sold to mining companies as an oxidizing agent for explosives. It has also been used in several terrorist attacks, including the 1995 Oklahoma City bombing, which killed 168 people and injured more than 600.
A compound called ANFO -- ammonium nitrate mixed with fuel or diesel oil -- is often used in improvised explosive devices or fertilizer bombs. ANFO was used in the Toronto 18 plot as well as the Oklahoma bombing.
Linteau said the RCMP's threat level for the 2010 Vancouver Olympic Games remains low and that authorities do not plan to change the threat level as a result of this investigation.
Kinder Morgan is one of the largest pipeline and energy storage companies in North America, with more than 35,000 miles of oil pipelines. The company transports, stores and handles energy products including natural gas, refined petroleum, crude oil and ethanol.
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