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.
The president is second in command after the CEO (or first in command if there is no CEO), and also usually fills the role of the Chief Operating Officer (COO). Responsibilities The CEO of a company is responsible for the overall strategy, vision, and financial well-being of a company.