The U.S. Environmental Protection Agency (EPA) has released updated guidance for conducting hazardous waste analyses, which according to a news source, the agency says will make collecting and evaluating data more efficient, transparent and effective. Titled “Waste Analysis at Facilities That Generate, Treat, Store, and Dispose of Hazardous Wastes,” the guidance aims to clarify how hazardous waste facilities should design waste characterization studies, how facilities can address issues of waste variability, and how to establish data quality objectives. It will also clarify how to (i) select indicator parameters in a manner that will reduce testing costs, (ii) address uncertainty in measurements, and (iii) properly use statistical concepts to guide the waste characterization process. The guidance will assist enforcement personnel in determining whether a facility is in compliance with testing requirements, EPA reportedly said. Public comment will be accepted through April 30, 2013. See Bloomberg BNA Daily Environment Report, March 22, 2013.