The amount of lead in the blood and tissues, as well as the time course of exposure, determine toxicity. Lead poisoning may be acute (from intense exposure of short duration) or chronic (from repeat low-level exposure over a prolonged period), but the latter is much more common.
Requirements and Responsibilities For Chief Operating Officer. Plans and directs all aspects of an organization's operational policies, objectives, initiatives. Responsible for the attainment of short- and long-term financial and operational goals. Directs the development of the organization to ensure future growth.
Jupiterimages/Creatas/Getty Images. The chief operating officer of a company, or COO, is a member of a high-level group of executives known as the C-suite..C-suite executives include the chief executive officer -- also known as the CEO -- and the chief financial officer, known as the CFO.ecessity of COOs. Not every company has a chief operating officer -- the position may not be necessary, depending on a company's structure. Some companies have a COO who also serves as chairman who heads the board of directors in establishing a company's mission and goals.