CSU’s (Chemical Storage Units) provide up to 6000 gallons of on-site chemical storage. The HDPE (high density polyethylene) tanks, hold a variety of chemicals with specific gravity of 1.9 (16 lbs. /gallon +/-.)Two 3000 gallon elliptical ley tanks are fitted on a float style trailer with a 2” chemical diaphragm transfer pump. The manifold system is designed for “Plug and Go” application and the over top fill lines allow for tank filling without interrupting service.