Guidelines for the health risk assessment of chemical mixtures the 1986 guidelines for the health risk assessment of chemical mixtures represent the agencys science policy and are a procedural guide for evaluating data on the health risks from exposures to chemical mixtures the emphasis is on dose response and risk characterization. The guidelines for the health risk assessment of chemical mixtures hereafter guidelines are intended to guide agency analysis of information relating to health effects data on chemical mixtures in line with the policies and procedures established in the statutes administered by the epa. The us epas risk assessment forum published the guidelines for the health risk assessment of chemical mixtures in 1986 us epa 1986 the environmental criteria and assessment office now the national center for environmental assessment followed this with the production of a technical support document on health risk assessment of chemical. Guidelines for health risk assessment of chemical mixtures author us e p a n c e a subject chemical mixtures keywords chemical mixtures risk assessment created date 8 28 2001 104202 am