Section 096-166-4 - Compliance Standards for the Use of Industrial Cleaning SolventsA. The owner or operator of a source subject to this Section shall limit VOC emissions from the use, handling, storage, and disposal of Industrial Cleaning Solvents and shop towels by implementing the following work practices: (1) Covering open containers of Industrial Cleaning Solvents and used applicators; (2) To the greatest extent practicable and in consideration of best practices for maintaining safe work environments, minimizing air circulation around cleaning operations;(3) Properly disposing of used solvents and shop towels; and (4) Maintaining cleaning equipment to prevent and repair solvent leaks. B. The owner or operator of a source subject to this Section shall limit VOC emissions by utilizing one or more of the following methods for each applicable Cleaning Activity: (1) Using Industrial Cleaning Solvents with a maximum VOC content limit of 50 grams VOC per liter, equivalent to 0.42 lb/gal;(2) Using Industrial Cleaning Solvents with a composite vapor pressure of 8.0 millimeters or less of mercury (mm Hg), measured at 20°C (68°F); or(3) Using an emission control system with an overall control efficiency of at least 85 percent. C. Upon request by the purchaser or the Department, a person who sells or offers for sale any industrial cleaning solvent containing VOCs shall provide to the purchaser the following written information: (1) The name and address of the solvent supplier;(2) The type of solvent including the product or vendor identification number;(3) The vapor pressure of the solvent measured in mm Hg at 20º C (68º F); and(4) Percent VOC content by weight.06- 096 C.M.R. ch. 166, § 4