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.
1. REFERENCE DOSE (RfD): DESCRIPTION AND USE IN HEALTH RISK ASSESSMENTS. 1.1. INTRODUCTION. This concept paper describes the U.S. Environmental Protection Agency's (U.S. EPA) principal approach to and rationale for assessing risk for health effects other than cancer and gene mutations from chronic chemical exposure.
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.