What is the 'Information Ratio - IR'. The information ratio (IR) is a ratio of portfolio returns above the returns of a benchmark -- usually an index -- to the volatility of those returns. The information ratio (IR) measures a portfolio manager's ability to generate excess returns relative to a benchmark but also attempts to identify the consistency of the investor.
Prop 65 lists of over 900 substances, including lead, that businesses are required to warn consumers about. Lead is a natural element in soil, so it can be found in trace amounts in anything that is grown or drawn from the earth â including fruits, vegetables, and, of course, Earthpaste.
Health effects of arsenic and lead Arsenic and lead are toxic metals and can be harmful to humans, especially children. They pollute the soil in many parts of Washington near former smelters, and old orchards where lead arsenate pesticide was used. They can also be found in products used in our daily lives. Sources of lead include old paint, gasoline, and lead plumbing.