. These toxic chemicals are then leached into aquatic ecosystems. Within just one hour of contact with water, the chemicals begin to leach into the aquatic environment and threaten the well-being of marine life. The residue of over 0000 chemicals may also be introduced to the water via cigarette butts. These toxic chemicals are then leached into aquatic ecosystems. Within just one hour of contact with water, the chemicals begin to leach into the aquatic environment and threaten the well-being of marine life. 