This document summarizes Steve Barnett's presentation on approaches to resolving differences in professional judgment related to site remediation. It outlines potential causes of action for environmental claims, including contract, common law, and statutes. Common law claims discussed include negligence, strict liability, nuisance, and trespass. Statutes mentioned are the New Jersey Spill Act, CERCLA, RCRA, and the Site Remediation Reform Act. The Environmental Rights Act is also summarized, noting it allows citizens to bring actions when the government fails to protect the environment. Recent and pending court cases related to these issues were also presented.