Section 620.601  Purpose of a Health Advisory

This Subpart establishes procedures for the issuance of a Health Advisory that sets forth guidance levels that, in the absence of standards under Section 620.410, must be considered by the Agency in:

a)         Establishing groundwater cleanup or action levels whenever there is a release or substantial threat of a release of:

1)         A hazardous substance or pesticide; or

2)         Other contaminant that represents a significant hazard to public health or the environment.

b)         Determining whether the community water supply is taking its raw water from a site or source consistent with the siting and source water requirements of 35 Ill. Adm. Code 611.114 and 611.115.

c)         Developing Board rulemaking proposals for new or revised numerical standards.

d)         Evaluating mixtures of chemical substances.