The solvents themselves: Chemical solvents are expensive—especially when compared to the cost of soap and water used in ultrasonic cleaning. If you are considering solvent cleaning, you will need to purchase or rent a solvent tank. That tank contains the solvent, and it generally comes at a cost of about $200 to $300 per month for service, or for removal of the solvents. One tank alone is expensive enough; but if you run a large operation and clean many parts regularly, you may need several tanks, so that cost can really add up. Infrastructure and safety costs: When you use chemical solvents in an industrial or commercial setting, it is absolutely necessary to ensure that adequate ventilation and safety systems are built into the area where the solvents are being stored and used. This entails several associated costs for the following