1. Petroleum Tank Technologies (PTT) Underground Petroleum Storage Tank (UPST) FRP Lining

2. Leakage from an Underground Petroleum Storage Tank poses a significant risk to Leakage from an Underground Petroleum Storage Tank poses a significant risk to - Persons, - Property, - Environment, and represents a major liability for the occupier / owner of the premises Background

3. Litigation Litigation Licence Licence Fines Fines Reputation Reputation Sales Sales Environment Remediation Cost Environment Remediation Cost Loss of Strategic Site Loss of Strategic Site Risk

4. Risk Ageing single wall UPSTs represent an increasing environmental and financial risk Ageing single wall UPSTs represent an increasing environmental and financial risk--------------------------------- Tanks refurbished in Japan using the UV Curable FRP Lining have not had a single warranty claim – many have been lined for more than 10 years

5. To date, PTT has refurbished tanks in several states, some of which are included below: DistributorCustomerLocationTank Size & Q'ty ◈ Shell Distributor: Belven Enterprises Pty. Ltd.Collie WA33,000 litres x 1 ea ◈ Mobil Distributor: TASCOMildura VIC 27,000 litres x 1 ea 18,000 litres x 1 ea 11,500 litres x 1 ea 55,000 litres x 1 ea 45,000 litres x 2 ea 18,000 litres x 1 ea 27,000 litres x 1 ea 9,500 litres x 2 ea 17,000 litres x 1 ea 45,000 litres x 2 ea 18,000 litres x 1 ea 13,600 litres x 2 ea 12,000 litres x 1ea 45,000 litres x 2 ea 10,000 litres x 1 ea 27,800 litres x 1 ea 42,000 litres x 2 ea 27,000 litres x 2 ea

6. Extends the life of the UPST by at least 20 years – Guaranteed Extends the life of the UPST by at least 20 years – Guaranteed Suitable for Ethanol storage up to 100% by the standard use of a final coating of Novolac. Suitable for Ethanol storage up to 100% by the standard use of a final coating of Novolac. Permanent manhole makes future cleaning and inspections simple Permanent manhole makes future cleaning and inspections simple Benefits of UV Cured FRP Lining

7. Automatic inventory monitoring can be established via the manhole (ATG system) Automatic inventory monitoring can be established via the manhole (ATG system) Service Station continues to operate during the tank relining Service Station continues to operate during the tank relining Average tank repaired in a week Average tank repaired in a week Benefits of UV Cured FRP Lining

8. Leaking tanks can be repaired - EPA guidelines must be met, - Site of the tank is critical, - Strict environmental assessment process is followed. Leaking tanks can be repaired - EPA guidelines must be met, - Site of the tank is critical, - Strict environmental assessment process is followed. Benefits of UV Cured FRP Lining

9. Install temporary enclosure Install temporary enclosure Empty fuel tank Empty fuel tank Cut concrete Cut concrete Cover sludge with detergent mix Cover sludge with detergent mix Work Procedure

10. Purge Tank, reducing the atmosphere to zero % LEL, and zero % VOC’s. Purge Tank, reducing the atmosphere to zero % LEL, and zero % VOC’s. Cut access hole in tank Cut access hole in tank Tank is cleaned Tank is cleaned Waste disposed of as per regulations Waste disposed of as per regulations Work Procedure

11. Tank is inspected, ultrasonic thickness test. Tank is inspected, ultrasonic thickness test. Testing is over entire internal surface, in a grid of 50 cm. squares. Testing is over entire internal surface, in a grid of 50 cm. squares. Assessed for suitability for repair Assessed for suitability for repair Work Procedure

12. FRP Lining is applied FRP Lining is applied Sheets overlap Sheets overlap Joins are sealed Joins are sealed FRP Lining is cured by UV light FRP Lining is cured by UV light Work Procedure

13. Ethanol resistant coating applied Ethanol resistant coating applied Tank is pressure tested at 35 KPa Tank is pressure tested at 35 KPa Reinforcement and concrete is replaced Reinforcement and concrete is replaced Manhole cover is fitted Manhole cover is fitted Work Procedure

14. Cost Effective Cost Effective Minimum loss of Retail Sales Minimum loss of Retail Sales 20 Year Guarantee 20 Year Guarantee Minimal Duration or Disruption Minimal Duration or Disruption Safe Procedure Safe Procedure Competent Operators Competent Operators Professional Service Professional Service Petroleum Tank Technologies Underground Petroleum Storage Tank (UPST) FRP Lining