Expenses a company has when it drills for oil or natural gas. Intangible drilling costs are sometimes convenient for a company's tax purposes because it can deduct intangible drilling costs in one year when the company perhaps found little or no oil from profits made in a different year when the company does find oil.
Bruce Lanphear, a professor at Simon Fraser University and also an expert in lead toxicity, said Edwards not only studies the impact of lead in water, but he makes his testing available to communities in need, like he did in Flint.
michigan officials switched flint s water supply from lake huron to the flint river in april 2014 they switched back in october after complaints about dirty water containing high levels of lead addressing the crisis will involve cleaning the water upgrading pipes and dealing with health issues