36. The operator of a plant referred to in the first paragraph of section 35 must maintain a record indicating for each month of operation the average quantities of volatile organic compounds emitted per litre of paint solids applied, the percentage of solids in the paint, the quantities of solvents added, the actual efficiency coefficients of the equipment used and any other parameter necessary to calculate the emissions. The calculation must be performed using the method established in section 60.393 of Part 60 of Title 40 of the Code of Federal Regulations (40 CFR 60.393) and published by the U.S. Environmental Protection Agency (USEPA).