Montana high pressure sodium lamp will no longer supply1

According to foreign media reports, the American Energy company, NorthWestern Energy is for Montana's 43000 street lamp is equipped with the new energy-saving light bulbs, and recycling the old, the lamps and lanterns of potentially dangerous.

prices LED street light bulb become a economic and effective choice, especially manufacturers warned that the traditional high pressure sodium lamp could no longer supply soon.

the recycling of the old lamp is not simply dumped in landfills, because some of the old lamps contain mercury. The epa said, if the animals to a high dose of mercury, may appear slow growing, the decline of the reproduction and death. , said an official with the

& other; A high-pressure sodium lamp contains 15 mg of mercury & throughout; ，“ This looks relatively insignificant, but look at a large scale, 43000 lights up and you can see, this kind of harmful material will become an environmental problem. ”

but, recycling old lamp is not free. Estimated part of the project cost at $120000, the average price of lamps and lanterns down nearly $3.

the energy company next year is expected to continue in a few other parts of the Montana for a four-year, $24 million worth of replacement plan.