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Weight or volume, calendar year
F2005
F2006
F2007
F2008
SF6 (kg in service)
110,376
109,337
109,575
108,094
PCBs     
    high level (litres > 10,000 ppm)
N/A
N/A
N/A
11,650
    low level (in litres)
N/A
N/A
N/A
721,084

In service SF6 data was compiled from equipment owned and operated by BC Hydro, including substations currently managed by BCTC.

PCBs - high level PCBs are in use at one location only, Vancouver Island Terminal. Low level PCB is estimated from historical BCTC test records, BC Hydro underground transformer program and Distribution GIS data.

Last Modified: Mar 25, 2010

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