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.
Chief operating officers' responsibilities vary, depending on the company or industry. However, they generally oversee operations to ensure a company's systems are running efficiently. COOs are typically the eyes and ears of the chief executive officer, as CEOs are often too busy to monitor everyday operations.