Class 3 and Class 4 chemical substances for which the amount handled annually is 100kg or more are subject to reporting.

• The volume of chemical substances handled represents the volume of chemical substances used at sites; purchase volume is substituted when exact volume of usage cannot be determined.
• Volume of chemical substances released from sites in relation to their operation; calculations are based on purchase volume x distribution coefficient

• The volume of water consumption represents the total volume of water used at sites (public water, water for factories, groundwater); for public water and water for factories, purchase volume is substituted for the purpose of calculation
• The volume of water discharged represents the sum of discharges of water to waterways and to sewers. For Sony sites where it is not possible to accurately grasp actual discharge volume, a calculation based on the volume of water used x average per-site rate for volume of water discharged is substituted.

Concentrations in water emitted x volume of water emitted

Volume calculated by multiplying emission volume by emission concentration, or by multiplying volume of fuel use by a coefficient.