| #Q001 | administrative | operational | recommended | Obtain Implementation Guidance | drinking water | Specific guidance related to the implementation of drinking water guidelines should be obtained from the appropriate drinking water authority in the affected jurisdiction. | | high |
| #Q002 | administrative | health | guidance | Jurisdictional Limit Establishment | drinking water | Jurisdictions may establish more stringent limits than the MAC. | | high |
| #Q003 | corrective_action | operational | recommended | Short-Term Exceedance Plan | drinking water | For drinking water supplies that occasionally experience short-term exceedances above the guideline value, it is suggested that a plan be developed and implemented to address these situations. | When drinking water supplies occasionally experience short-term exceedances above the guideline value | high |
| #Q004 | corrective_action | health | recommended | Alternative Water Sources for Long-Term Exceedances | drinking water | For more significant, long-term exceedances that cannot be addressed through treatment, it is suggested that alternative sources of water for drinking, showering, and bathing be considered. | For more significant, long-term exceedances that cannot be addressed through treatment | high |