Characteristics: Bismuth is a brittle, silvery-green metal that has a low melting temperature and high specific gravity. Being both stable and non-toxic, bismuth is often used as a replacement for toxic metals such as antimony, cadmium, lead and mercury.
1 (Minimums vary by location and tank size, and can range from 100-1,500 gallons.) More often, the propane company charges a fee of anywhere from $25-$250 a year but averaging around $75-$130 annually, depending on local rates, the size of the tank and whether it's aboveground or underground.
Gas Prices Reach 2017 High. Todayâs national average price for a gallon of regular unleaded gasoline is $2.41. This price is two cents more expensive than one week ago, 12 cents more than one month ago and 30 cents more than one year ago. The national average is at itsâ¦Read more Â».