The purpose of this Blanket Purchase Agreement (BPA) is to supply liquid and compressed gas services of contractor-owned gas cylinders to ensure that the Health Effects Laboratory Division has an uninterrupted adequate supply of bottled and bulk compressed gas services at the NIOSH Morgantown Facility. The contractor shall also supply dry ice; historically, the blue bin at the NIOSH Morgantown campus has a capacity of 300 lbs. of dry ice pellets.