Buyers of commercial real estate now have new liability protections against hazardous substances contamination on their propertyeven if they know about it at the time of purchaseprovided they conduct all required research under the Environmental protection Agency's (EPA) new All Appropriate Inquiries Final Rule. Commercial Landowner CERCLA Liability Protection provides a comprehensive examination of the new EPA Final Rule and compares the new EPA rule to the previous Phase I All Appropriate Inquiry Standard Practice established by ASTM.