Specifications include, but are not limited to: Soil Analyte: Ra-226/228 by Gamma Spectroscopy. Method Reference: EPA 901.1 Modified. *analysis of soil samples for radium-226 and radium-228 concentration in picocuries per gram dry weight. *analysis performed in accordance with EPA method 901.1 modified. Method includes 21 day ingrowth of radon-222, radium-226 reported from bismuth-214 energy line, radium-228 reported from actinium-228 energy line *28 day turn around from sample receipt to receipt of results. *lab performing analysis with primary NELAP accreditation, accredited to perform radiochemistry analysis work in Alabama, and lab has Perry Johnson Laboratory Accreditation for Environmental Testing (DOECAP-AP).