DATZ’s comprehensive AST/UST experience and service offerings include: Compliance Management: • Full fueling system compliance audits. A full operating and design audit with digital photographic documentation and certification of legal operation of underground storage tank systems. • Compliance acquisition inspections in connection with Phase I or II. • Operator Training • ATG Monitoring & Certification • Statistical Inventory Reconciliation (SIR) and Vapor Monitoring services for monthly inventory control. • “RPM” DATZ’s Regulatory Protection Module keeps everyone connected. Testing: • Tank, Line, and Leak Detector testing. • Stage II Testing • Helium Leak Detection. • Secondary Containment Testing (Tanks, Piping, Basins, & Sumps). • Testing and Certification of Cathodic Protection systems. • Calibration and reporting of liquid measuring devices. • Annual certification of automatic tank gauging systems. Removals/Closures: • Bidding and selection of removal contractor. • Submittal of 30-day notice of pending closure activities. • Obtaining EPA generator ID numbers (for tank liquid and sludge characterization and disposal). • Oversight of removal work and sampling. • Submittal of regulatory closure reports. Upgrades/Repairs: • Secondary Containment Repairs. • Design & Installation of Cathodic Protection systems. • Automatic Tank Gauge installation, programming and certification.

We are licensed to perform design, construction and environmental services as follows: CALIFORNIA Architect 13933 CALIFORNIA Contractor 220793 A - General Engineering B - General Building HAZ - Hazardous Materials Removal C57 - Drilling C61/D40 Service Station Construction Specialty C10 Electrical NEVADA Contractor 34108 A14 - Tank Fabrication, Installation, and Removal A22 - Hazardous Waste Remediation

We are a small, family-owned business that deals in all facets of petroleum installation and tank removal. TRS Petroleum Installation, Inc. has over 20 years' experience in underground, above ground, bulk plant and industrial petroleum installation as well as tank removal and closure. We do turnkey 8+ MPD convenience stores all the way down to single pump compliance installations.