An ERD (Entity Relationship Diagram) is a graphical representation of the data in rest within a system (e.g. a business, an organization, an application) that is subject to analysis.
The U.S. EPA established the Reference Dose (RfD) Work Group to address these concerns. In preparing this report, the RfD Work Group has drawn on traditional report on risk assessment (NRC, 1983), to more fully articulate the use of noncancer, nonmutagenic experimental data in reaching regulatory decisions about the significance of exposures to chemicals.
Curtis Seltzer. A right of first refusal (RFR) in a real-estate contract is typically a mechanism that gives to a specific party the right to be the first allowed to purchase a particular property if itâs offered for sale. The holder has the right to refuse to buy the property; it can be a confusing concept.