John M. Thistlethwaite Interests, LLC and John M. Thistlethwaite, CRE, GAA, SRS, SRI and National Assessment & Review Services, Inc. Offer the Following Services: Environmental Site Assessments Phase I and Transactional Screen (ASTM Practice Standards) Real Estate Appraisals Environmentally Influenced Properties/Lead Risk Assessments. Income Producing Properties Real Estate Counseling and ...