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.
As mentioned on our The Unleaded Pencil page there is no lead in the writing core of a âleadâ pencil. The core is made of non-toxic graphite and does not contain lead.As a result of increased concern for the safety of different consumer products such as toys or art products from China, we often receive inquiries regarding the potential for exposure to lead in pencils.he only relevant concern regarding potential sources of lead in pencils is in the lacquer or paint used to finish the pencil. First, lead is a naturally occurring element that is contained in many different raw materials used in many industries to produce many consumer products.