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Dryden crash Pilot's log book preserved Conservators at the Canadian Conservation Institute, an agency of the Department of Communications in Ottawa, used a new process to preserve the charred pilot's log book and other documents found in the wreckage of the Air Ontario jet that crashed in Dryden, Ontario in 1988, killing 32 people. The same process has many other uses, from coating minus- cule wires for the space shuttle to preserving ancient plant tissues for the study. The new process is known as parylene coating. Parylene is a polymer, or long-chain, plastic- like molecule. Its unique proper- ties allow it to diffuse, in a vacu- um, onto a surface in a layer about a micron (one thousandth of a millimetre) thick. The item to be coated is placed in a chamber where it turns slowly, receiving a thin but even coating. The coating made the fragile, blackened pages of the pilot's log strong enough to be handled. David Grattan, a conservator at CCI, says the parylene process was being considered, after a few successful information in books that were destroyed in a major library fire in Leningrad a few years ago. The Canadian Aviation Safety Board sent the pilot's log book from the Dryden crash to CCI to be freeze-dried. Knowing that parylene had preserved the burnt books in Leningrad, CCI scien- tists offered to used the process on the pilot's log book. The log book arrived at CCI in chunks. They had been frozen, and were soaking wet, with the~ pages stuck together. The sec- tions were first freeze-dried, then placed in the parylene coating chamber. "The parylene process was extremely well suited to this situ- ation," says Grattan. "It was able to separate and coat the individu-. al pages, because the molecules diffuse out into every available space." Because the coating is so thin, the area into which it diffus- es, in this case the space between the pages, can be quite small, he adds. Once the pages had been sepa- rated and strengthened, they were sent to the RCMP forensic lab. There, they were bathed in infrared light, making it possible to read the writing on them. Parylene was developed by a scientist in Britain during World War II, but it languished on a lab- oratory shelf until about 15 years ago, when Nova-tran, a U.S. sub- sidiary of Union Carbide, discov- ered that a fine spray of parylene could evenly coat transformer wires and electronic components. Since then, the applications have mushroomed. Parylene is now used to halt the decay of rare old books at the Library of Congress in Washington. It was used to Strengthen tiny wires in microcir- cuits on the space shuttle. Parylene also coats pacemakers and other devices that are implanted in the body. Staff at the Canadian Conservation Institute first used the parylene coating technique to preserve and strengthen the speci- mens brought back from the 45- million-year-old forest that was found in the Arctic in 1987. Delicate leaves and cones from the ancient forest can now be handled freely and studies more thoroughly, thanks to the process. A aw? Thank You I would like to extend a very special thank you to all my family, relatives and friends who visited, called, sent flowers, fruit and get well wishes. Thank you also to Dr. Wilkes, the nursing staff of McCausland Hospital, the Home Maker and to the Home Care Nurses, for their excellent care during my recovery. Your kindness and concern is greatly appreciated. Simonne Singleton Ny y, . PUBLIC NOTICE The Rossport Islands Management Board, a community based board to regulate the use and. development of Crown Land on the Rossport Islands, needs members. This volunteer position will require a committment of 2 - 4 evenings a month for the first 6 months to draft a manage- ment plan and monthly meetings thereafter. Membership on the Management Board will be as follows: Pays Plat -2; Rossport -3; Schreiber -1; Terrace Bay -1. If you have the skills to help draft a plan and an interest in environmentally - sound resource management and development, please send a resume to your governing body or town council by December 7, 1990 to assist them in their selection of a representative. For more information contact: Mary Burnett, Chair, RACDG at 824-2890 evenings or weekends. Pe tare iain tiviein tigtgeus Page 13, News, Tuesday, November 27, 1990 Schreiber O.P-P. Winter driving tips Here are five driving tips: (1) On packed snow or ice, Start gently and gradually and try not to spin the tires: Keep wheels straight ahead to ease starting. (2) Get the feel of the road quickly when at slow speeds. Try a light speed increase and test braking to determine the available traction. (3) If you skid, RELEASE THE ACCELERATOR and steer in the direction you want your car to go. DON'T BRAKE, the front wheels must be kept rolling in order to steer. DO put automatic transmission in neutral or declutch and try to gear down with a standard. (4) Most accidents in SCHREIBER/TERRACE BAY area are caused from "SPEED TOO FAST." Posted speed lim- its are for ideal conditions, that ideal does not refer to Northern Ontario winters. In the winter sometimes half of the posted speed might be too much. (5) SEE AND BE SEEN! Clean and defrost your windows, and the lights. Use your low beam headlights even during day- light hours. IN AWORLD OF RISING ENERGY PRICES effect. costs. lot, too. me Please rush me your Energy Savings Package today. 5 Name The jamily of David Peter Gillen of KReewatin, Outarco with to announce 4s necent prom the Untverecty of Western ta Loudoun, Outario. David qrad- aates with a Gachelors Degree cx Philosophy aud Michauai: Are ts continuing his studées te Phealogy at St. Peter a Seminary ta Louden, Ontario. Our afeprectation ta extended ta all those whe have contributed to his --_ GRADUATION y, Long-lasting relief from minor arthritis pain. Ben-Gay: Arthritis Pain Rub £ *CLINICALLY PROVEN EFFECTIVE: eeeeeeeaeseces ( HERE'S HOW YOU CAN MAKE EVERY DROP COUNT. m Don't exceed speed limits. Reducing your @ Cutting back from derived from a fossil fuel. speed from 120km/h tog YGUR WORLD 100 km/h will save 23% @&\ Just about ever, »iece of in gasoline costs. plastic that you use is a he situation in the Middle East has driven up the world price for oil and every country is feeling the But there are a lot of things you can do to use less energy and help reduce your costs. You can make every drop count. Right now. Not only will you be reducing your costs, you'll be helping the environ- ment by cutting back on greenhouse gases and the use of fossil fuels. Here are just a few tips. YOUR CAR Here's how to drive down w Walking will save 100% of your fuel costs. @ Using public transportation will save a @ Having your car well tuned and serviced regularly can save you 10% in fuel costs. 100 km/h to 80 km/h will save about 18%. YOUR HOME A major amount of our annual energy use goes to heat our homes. Here are a few tips on how to take some of the heat off your home energy costs. HEATING g If you lower your . thermostat from 22°C to 20°C during the day and to 17°C at night you could save up to 15% on your heating bills. @ Oil furnaces should be tuned up once a year. @ Clean or replace furnace filters regularly. @ Seal your furnace ductwork with duct tape and insulate hot air ducts passing through unheated spaces. WEATHERPROOFING g Weatherstrip windows and doors. g@ Caulk windows and door frames. g Insulate attic, walls and basement to recom- vapour barrier where plang Le 6 mended levels. Install a _ The production of paper, metal and glass uses enormous amounts of energy. So the 3R's of environmental protection are vital as well. Reduce your energy needs whenever you can. Reuse bags, containers, bottles and wrappings when possible. Your community probably has local recycling programs in which you can get involved. WE CAN HELP We've got a lot more helpful tips on how to conserve energy. And they're free. Just send us the coupon. We'll rush a package of brochures to you. OR CALL OUR TOLL FREE ENERGY LINE 1-800-267-5166 During business hours from Monday to Friday Hearing Impaired 1-800-267-4248 If you can't get through, please try again a little later. We'll make it worth your while. ics omen CT Address City Province Postal Code Energy, Mines and Energie, Mines et Resources ivi Hon. Jake Epp, Uhon. Jake Epp, Minister Ministre Ressources Canada Send to: Energy Publications, 580 Booth Street, Ottawa, Ontario K1A 0E4 Canada |