- Testing for compliance with Subpart OOO (using EPA Method 9)
- Testing for compliance with Operating Permit requirements related to 10 CSR 10-6.220 (using EPA Method 9 or EPA Method 22)
- Environmental audits to evaluate a facility's compliance with state and federal regulations
- Phase I Environmental Site Assessments for commercial properties to verify a site's environmental history in conformance with EPA's "All Appropriate Inquiries" Standard
