This powerpoint presentation begins by providing a brief overview of the National Environmental Methods Index (NEMI) for Chemical, Biological and Radiological Methods, and three additional fields needed to address emergency response that include: Validation Flags - indicates if and how method was validated; Rapidity Ratings - estimated time to perform analysis and obtain data; and, Specificity Ratings - a method is rated as a screening method or confirmatory method. The CBR Advisor is presented as an expert system companion to NEMI-CBR that enables users to obtain advice in response to an incident, and provides access to detailed information for planning and training purposes. Presentation summary includes: NEMI-CBR is a powerful information resource to help the water sector to quickly identify and analyze contaminants in response and recovery; CBR Advisor helps in planning for, and responding to, a contamination incident; and, can be used by utilities, laboratories, and others involved in an incident response.