This document discusses preparation for post-incident claims adjusting and clean-up. It provides an overview of environmental insurance, coverage determination factors like notification period and source, and stakeholders involved like owners, carriers, brokers, and regulators. It also outlines typical release scenarios like new releases, pre-existing unknown releases, and emergency responses. For each scenario, it discusses notification, source and timing, subrogation potential, response activities, and ongoing work to closure. Finally, it provides best practices to maximize insurance coverage, such as notifications, pre-approval of work plans and proposals, regulatory compliance, communication, and loss control.