each of the following is a designated kind of release into the environment:

• intentional release during use to land, biota, natural waterways or municipal water supplies
• intentional release to air during use (other than solely domestic or personal use)
• if the industrial chemical is introduced for an end use in firefighting—release (intentional or otherwise) into the environment
• if the industrial chemical is introduced for an end use offshore—release (intentional or otherwise) into the ocean.