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Placer Dome (CLA) Ltd. Porcupine JV:

Placer Dome (CLA) Ltd. Porcupine JV:. Emission Reduction Program. Test Protocol Overview

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Placer Dome (CLA) Ltd. Porcupine JV:

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  1. Placer Dome (CLA) Ltd.Porcupine JV: Emission Reduction Program

  2. Test Protocol Overview • From March 25 – June 16, 2004 Tadger has operated a test protocol at the Porcupine JV mine in partnership with the maintenance team there. Product testing was completed at the Hoyle Pond facility using an ECOM 5 gas analyzer and a DDEC ECM analyzer. All tests were conducted under the direction of Terry Killins, Ray McIver and Randy O’Connor. The testing included various engine models on different equipment types operating within the mine. Through a concerted team approach we have established significant data to establish the effectiveness of the part on your fleet. • This report will focus on five key areas: • Carbon monoxide (CO) reductions from testing with the ECOM analyzer • Oxides of Nitrogen (NOx) reductions from testing with the ECOM analyzer • Fuel economy improvements from testing with the DDEC ECM analyzer • Increased oil life for your fleet from Independent testing at AGAT labs • Additional test results from other mines in Ontario • The results have been illustrated on the attached graphs followed by a concise summary. • Additional test results for municipalities, private industry and larger fleets is available on request or at www.tadgergroup.com

  3. Section 1: Carbon Monoxide (CO) Reduction

  4. Carbon Monoxide (CO) Reduction Summary: We chose two types of fuel delivery systems to sample; one with a fuel pump and the other was gravity fed. It was important to see if the Tadger had a similar effect on both fuel systems. Based on these results the Tadger system has reduced the average carbon monoxide by 37.1% over the test period.

  5. Section 2: Oxides of Nitrogen (NOx) Reduction

  6. Oxides of Nitrogen (NOx) Reduction Summary: We chose two types of fuel delivery systems to sample; one with a fuel pump and the other was gravity fed. It was important to see if the Tadger had a similar effect on both fuel systems. The initial post-Tadger NOx test showed elevated readings on unit # 565. This was probably caused by the removal of “hot spots” by the Tadger. When re-tested 8 weeks later the NOx readings were actually lower than the test without a Tadger. Based on these results the Tadger system has reduced the average NOx by 16.7% over the test period.

  7. Section 3: Fuel Economy Improvements

  8. Fuel Economy Improvement Summary: We ran trials using the DDEC ECM analyzer. Although this method is not the most accurate it gave us an indication of what to expect. Based on these results the Tadger system has improved fuel economy by an average of 2.0% over the test period.

  9. Section 4: Oil Life Extension

  10. Oil Life Extension Summary: • We completed oil samples on a 6V53 engine from a bus at York Region Transit. The results from the preceding graph show: • The wear elements were reduced by 38.5% after the first oil change and 52.3% after the fifth oil change. This translates to less engine wear over time. • The soot was initially elevated to 12 ppm after the first oil change as the Tadger was removing built up deposits in the engine. After the fifth oil change the soot was 0 ppm. This translates to less particulate matter being expelled from the exhaust and also less build up in the engine. • Oil change frequencies may be altered which would reduce the amount of used oil being disposed of.

  11. Section 5: Other Mines

  12. Summary • Carbon Monoxide (CO) – 37.1% reduction • Oxides of Nitrogen (NOx) – 16.7% reduction • Fuel Economy – 2.0% reduction • Wear elements (Oil) – 52.3% reduction

  13. Proposal • Tadger group proposes that the Porcupine JV fleet commence conversion of their fleet as soon as possible. • Tadger Group will provide all of the necessary parts (48) immediately and will invoice PJV for 4 parts per month for 12 months.

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