measuring, warning and monitoring devices for analyzing gas; components thereof

toxicological research and reporting services for the petroleum and natural gas industries relating to the ecological ramifications of components in hydrocarbon process streams or otherwise encountered in oil refineries or in oil or gas fields

testing kit comprised of film, biotargets and bioassays to determine aquatic

environmental toxicological reports for the petroleum and natural gas industries relating to the ecological ramifications of components in hydrocarbon process streams or otherwise encountered in oil refineries or in oil or gas fields

industrial abrasive blasting media for use in blasting equipment to prepare surfaces for painting