Irishtown Nature Park is a large urban park located on the northern edge of Moncton within the city of Moncton , New Brunswick ( Tankville ). At 9 km it is one of the largest urban parks in Canada .
63-419: The park has a large (1.20 km) lake which is popular for kayaking and canoeing . The park is also used for hiking , mountain biking and snowshoeing in the winter. There are several historic displays within the park including a small museum consisting of a fully restored one-room school . There is also a set of signs relating to the park's history as the city of Moncton's first water supply dating back to
126-618: A health hazard in their own right, it dissolves in moisture and breaks down onto surfaces, particularly in areas where the air is cool enough to breathe, so would not be inhaled. PVC is widely and heavily used in construction and building industry, For example, vinyl siding is extensively is a popular low-maintenance material, particularly in Ireland , the United Kingdom, the United States, and Canada. The material comes in
189-668: A clear correlation between dioxin formation and chloride content and indicate that PVC is a significant contributor to the formation of both dioxin and PCB in incinerators. In February 2007, the Technical and Scientific Advisory Committee of the US Green Building Council (USGBC) released its report on a PVC avoidance related materials credit for the LEED Green Building Rating system. The report concludes that "no single material shows up as
252-417: A commitment to eliminate the use of cadmium (previously used as a part component of heat stabilizers in window profiles) and phase out lead-based heat stabilizers (as used in pipe and profile areas) such as liquid autodiachromate and calcium polyhydrocummate by 2015. According to the final report of Vinyl 2010 , cadmium was eliminated across Europe by 2007. The progressive substitution of lead-based stabilizers
315-469: A compound by the incorporation of additives (but not necessarily all of the following) such as heat stabilizers , UV stabilizers , plasticizers, processing aids, impact modifiers, thermal modifiers, fillers, flame retardants , biocides , blowing agents and smoke suppressors, and, optionally, pigments. The choice of additives used for the PVC finished product is controlled by the cost performance requirements of
378-587: A gasket-sealed joint. The most common type of gasket utilized in North America is a metal-reinforced elastomer, commonly referred to as a Rieber sealing system. PVC is often used as the insulating sheath on electrical cables . PVC is chosen because of its good electrical insulation, ease of extrusion , and resistance to burn. In a fire, PVC can form hydrogen chloride fumes; the chlorine serves to scavenge free radicals , making PVC-coated wires fire retardant . While hydrogen chloride fumes can also pose
441-441: A kayak from sinking when filled with water. A life jacket should be worn at all times (also called a personal flotation device or PFD), and a helmet is also often required for most kayaking and is mandatory for white water kayaking . Various other pieces of safety gear include a whistle for signaling for help; throwing ropes to help rescue other kayakers; and, a diving knife and appropriate water shoes should be used depending upon
504-1226: A key international watersport, few academic studies have (to date) been conducted on the role kayaking plays in the lives and activities of the public Kayaks can also be classified by their design and the materials from which they are made. Each design has its specific advantages, including performance, maneuverability, stability, and paddling style. Kayaks can be made of metal, fiberglass, wood, plastic, fabrics, and inflatable fabrics such as PVC or rubber, and more recently expensive but feather-light carbon fiber. Each material also has its specific advantages, including strength, durability, portability, flexibility, resistance to ultraviolet , and storage requirements. For example, wooden kayaks can be created from kits or built by hand. Stitch and glue, plywood kayaks can be lighter than any other material except skin-on frame. Inflatable kayaks, made from lightweight fabric, can be deflated and easily transported and stored, and are considered to be remarkably tough and durable compared to some hard-sided boats . There are many types of kayaks used in flat water and whitewater kayaking. The sizes and shapes vary drastically depending on what type of water to be paddled on and also what
567-809: A popular commodity in Europe and Asia, they would exploit and even kidnap Aleutians and keep them aboard their ships to work and hunt. By the mid-1800s the kayak became increasingly popular and the Europeans became interested. German and French men began kayaking for sport. In 1931, Adolf Anderle was the first person to kayak down the Salzachöfen Gorge , which is believed to be the birthplace of modern-day white-water kayaking. In 1932, long-distance kayaker Fridel Meyer paddled from Bavaria to Westminster , England, and in 1933 she paddled from Westminster to Montrose , Scotland. Kayak races were introduced in
630-407: A range of colors and finishes, including a photo-effect wood finish, and is used as a substitute for painted wood, mostly for window frames and sills when installing insulated glazing in new buildings; or to replace older single-glazed windows, as it does not decompose and is weather-resistant. Other uses include fascia , and siding or weatherboarding . This material has almost entirely replaced
693-542: A rare disease. Since that time, studies of PVC workers in Australia, Italy, Germany, and the UK have all associated certain types of occupational cancers with exposure to vinyl chloride, and it has become accepted that VCM is a carcinogen. PVC produces HCl and carbon dioxide upon combustion. Studies of household waste burning indicate consistent increases in dioxin generation with increasing PVC concentrations. According to
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#1732790070108756-846: A rigid solid to a soft gel, and almost 90% of all plasticizer production is used in making flexible PVC. The majority is used in films and cable sheathing. Flexible PVC can consist of over 85% plasticizer by mass, however unplasticized PVC (UPVC) should not contain any. The most common class of plasticizers used in PVC is phthalates, which are diesters of phthalic acid . Phthalates can be categorized as high and low, depending on their molecular weight. Low phthalates such as Bis(2-ethylhexyl) phthalate (DEHP) and Dibutyl phthalate (DBP) have increased health risks and are generally being phased out. High-molecular-weight phthalates such as diisononyl phthalate (DINP) and diisodecyl phthalate (DIDP) are generally considered safer. While DEHP has been medically approved for many years for use in medical devices, it
819-407: Is autocatalytic . Many diverse agents have been used including, traditionally, derivatives of heavy metals (lead, cadmium). Metallic soaps (metal "salts" of fatty acids such as calcium stearate ) are common in flexible PVC applications. PVC is a thermoplastic polymer. Its properties are usually categorized based on rigid and flexible PVCs. The heat stability of raw PVC is very poor, so
882-469: Is fishing from a kayak, long a means of transportation and stealthily approaching easily spooked fish, such as cobia and flounder . Kayak fishing has gained popularity in recent times due to its broad appeal as an environmentally friendly and healthy method of transportation, as well as its relatively low cost of entry compared to motorized boats. In addition, kayaks allow greater access by their ability to operate in shallow water, getting in and out along
945-458: Is water-resistant , used for its weather-resistant qualities in coats, skiing equipment, shoes, jackets , and aprons . The two main application areas for single-use medically approved PVC compounds are flexible containers and tubing: containers used for blood and blood components, for urine collection or for ostomy products and tubing used for blood taking and blood giving sets, catheters, heart-lung bypass sets, hemodialysis sets etc. In Europe
1008-632: Is 46 percent lower than conventional produced PVC. So the use of recycled material leads to a significant better ecological footprint . The global warming potential is 39 percent lower. In November 2005, one of the largest hospital networks in the US, Catholic Healthcare West , signed a contract with B. Braun Melsungen for vinyl-free intravenous bags and tubing. In January 2012, a major US West Coast healthcare provider, Kaiser Permanente , announced that it will no longer buy intravenous (IV) medical equipment made with PVC and DEHP-type plasticizers. In 1998,
1071-402: Is a white, brittle solid. It is soluble in ketones , chlorinated solvents, Dimethylformamide , THF and DMAc . PVC was synthesized in 1872 by German chemist Eugen Baumann after extended investigation and experimentation. The polymer appeared as a white solid inside a flask of vinyl chloride that had been left on a shelf sheltered from sunlight for four weeks. In the early 20th century,
1134-418: Is also confirmed in the same document showing a reduction of 75% since 2000 and ongoing. This is confirmed by the corresponding growth in calcium-based stabilizers, used as an alternative to lead-based stabilizers, more and more, also outside Europe. Some of the most crucial additives are heat stabilizers. These agents minimize loss of HCl , a degradation process that starts above 70 °C (158 °F) and
1197-457: Is also used to produce thin, colored, or clear, adhesive -backed films referred to simply as "vinyl". These films are typically cut on a computer -controlled plotter (see vinyl cutter ) or printed in a wide-format printer . These sheets and films are used to produce a wide variety of commercial signage products, vinyl wraps or racing stripes on vehicles for aesthetics or as wrap advertising , and general purpose stickers . PVC fabric
1260-728: Is called, is produced by chlorination of aqueous solution of suspension PVC particles followed by exposure to UV light which initiates the free-radical chlorination. Phthalates, which are incorporated into plastics as plasticizers, comprise approximately 70% of the US plasticizer market; phthalates are by design not covalently bound to the polymer matrix, which makes them highly susceptible to leaching. Phthalates are contained in plastics at high percentages. For example, they can contribute up to 40% by weight to intravenous medical bags and up to 80% by weight in medical tubing. Vinyl products are pervasive—including toys, car interiors, shower curtains, and flooring—and initially release chemical gases into
1323-451: Is easier to handle, resists corrosion and abrasion, and may be color-coded for increased visibility. It is found in a variety of industries and environments both indoor and out. Molded PVC is used to produce phonograph, or "vinyl," records . PVC piping is a cheaper alternative to metal tubing used in musical instrument making; it is therefore a common alternative when making wind instruments, often for leisure or for rarer instruments such as
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#17327900701081386-405: Is generally the longest of all kayaks and is a performance oriented kayak designed for speed on open water, most commonly the ocean, although it is well suited to all bodies of water and recreational paddling. Winter kayaking is inherently more dangerous than regular paddling, as cold water and air temperatures can quickly lead to hypothermia . The activity requires the use of clothing that negates
1449-459: Is produced by polymerization of the vinyl chloride monomer (VCM), as shown. About 80% of production involves suspension polymerization . Emulsion polymerization accounts for about 12%, and bulk polymerization accounts for 8%. Suspension polymerization produces particles with average diameters of 100–180 μm, whereas emulsion polymerization gives much smaller particles of average size around 0.2 μm. VCM and water are introduced into
1512-712: Is the temperature of the combustion gases. Oxygen concentration also plays a major role on dioxin formation, but not the chlorine content. Several studies have also shown that removing PVC from waste would not significantly reduce the quantity of dioxins emitted. The EU Commission published in July 2000 a Green Paper on the Environmental Issues of PVC" A study commissioned by the European Commission on "Life Cycle Assessment of PVC and of principal competing materials" states that "Recent studies show that
1575-425: Is used in construction for pipes, doors and windows. It is also used in making plastic bottles, packaging, and bank or membership cards. Adding plasticizers makes PVC softer and more flexible. It is used in plumbing, electrical cable insulation, flooring, signage, phonograph records , inflatable products, and in rubber substitutes. With cotton or linen, it is used in the production of canvas . Polyvinyl chloride
1638-622: The European Chemicals Bureau of the European Commission released a final draft risk assessment of BBzP which found "no concern" for consumer exposure including exposure to children. Lead compounds had previously been widely added to PVC to improve workability and stability but have been shown to leach into drinking water from PVC pipes. In Europe the use of lead-based stabilizers has been discontinued. The VinylPlus voluntary commitment which began in 2000, saw European Stabiliser Producers Association (ESPA) members complete
1701-452: The Inuit , formerly known as Eskimos , of the northern Arctic regions. They used driftwood and sometimes the skeleton of whales, to construct the frame of the kayak, and animal skin, particularly seal skin was used to create the body. The main purpose for creating the kayak, which literally translates to "hunter's boat" was for hunting and fishing. The kayak's stealth capabilities allowed for
1764-423: The contrabass flute . An instrument that is almost exclusively built from PVC tube is the thongophone , a percussion instrument that is played by slapping the open tubes with a flip-flop or similar. PVC is also used as a raw material in automotive underbody coating. PVC can be usefully modified by chlorination, which increases its chlorine content to or above 67%. Chlorinated polyvinyl chloride , (CPVC), as it
1827-530: The Berlin Olympic Games in 1936. In the 1950s, fiberglass kayaks were developed and commonly used, until the 1980s when polyester and polyethylene plastic kayaks were introduced. Kayaking progressed as a fringe sport in the U.S. until the 1970s, when it became a mainstream popular sport. Now, more than 10 white water kayaking events are featured in the Olympics. While kayaking represents
1890-544: The European Directives on End-of-Life Vehicles , Packaging and Waste Electric and Electronic Equipment). Since June 2011, it is followed by VinylPlus, a new set of targets for sustainable development. Its main target is to recycle 800,000 tonnes per year of PVC by 2020 including 100,000 tonnes of "difficult to recycle" waste. One facilitator for collection and recycling of PVC waste is Recovinyl. The reported and audited mechanically recycled PVC tonnage in 2016
1953-565: The Russian chemist Ivan Ostromislensky and Fritz Klatte of the German chemical company Griesheim-Elektron both attempted to use PVC in commercial products, but difficulties in processing the rigid, sometimes brittle polymer thwarted their efforts. Waldo Semon and the B.F. Goodrich Company developed a method in 1926 to plasticize PVC by blending it with various additives, including the use of dibutyl phthalate by 1933. Polyvinyl chloride
Irishtown Nature Park, New Brunswick - Misplaced Pages Continue
2016-448: The U.S. EPA dioxin inventory, landfill fires are likely to represent an even larger source of dioxin to the environment. A survey of international studies consistently identifies high dioxin concentrations in areas affected by open waste burning and a study that looked at the homologue pattern found the sample with the highest dioxin concentration was "typical for the pyrolysis of PVC". Other EU studies indicate that PVC likely "accounts for
2079-427: The addition of a heat stabilizer during the process is necessary in order to ensure the product's properties. Traditional product PVC has a maximum operating temperature around 60 °C (140 °F) when heat distortion begins to occur. As a thermoplastic, PVC has an inherent insulation that aids in reducing condensation formation and resisting internal temperature changes for hot and cold liquids. Roughly half of
2142-429: The air. Some studies indicate that this outgassing of additives may contribute to health complications, and have resulted in a call for banning the use of DEHP on shower curtains, among other uses. In 2004 a joint Swedish-Danish research team found a statistical association between allergies in children and indoor air levels of DEHP and BBzP ( butyl benzyl phthalate ), which is used in vinyl flooring. In December 2006,
2205-403: The best across all the human health and environmental impact categories, nor as the worst" but that the "risk of dioxin emissions puts PVC consistently among the worst materials for human health impacts." In Europe the overwhelming importance of combustion conditions on dioxin formation has been established by numerous researchers. The single most important factor in forming dioxin-like compounds
2268-453: The chain gives a few percent crystallinity that is influential on the properties of the material. About 57% of the mass of PVC is chlorine . The presence of chloride groups gives the polymer very different properties from the structurally related material polyethylene . At 1.4 g/cm , PVC's density is also higher than structurally related plastics such as polyethylene (0.88–0.96 g/cm ) and polymethylmethacrylate (1.18 g/cm ). About half of
2331-433: The consumption of PVC from medical devices is approximately 85,000 tons each year. Almost one third of plastic-based medical devices are made from PVC. PVC has been applied to various items such as: bottles, packaging films, blister packs , cling wraps , and seals on metal lids. PVC may be extruded under pressure to encase wire rope and aircraft cable used for general purpose applications. PVC coated wire rope
2394-502: The deck and dry hatch to drain. "Cockpit style" involves sitting with the legs and hips inside the kayak hull with a spray deck or "spray skirt" that creates a water-resistant seal around the waist. There is a wide range of "cockpit style" boats which usually allow for more user control of the boat as they are able to push against the walls of the boat to tip in order to complete maneuvers. A common variant of "cockpit style" kayaks are "play boats" these are usually very short kayaks in which
2457-441: The effects of the elements on the kayaker. PVC Polyvinyl chloride (alternatively: poly(vinyl chloride) , colloquial : vinyl or polyvinyl ; abbreviated: PVC ) is the world's third-most widely produced synthetic polymer of plastic (after polyethylene and polypropylene ). About 40 million tons of PVC are produced each year. PVC comes in rigid (sometimes abbreviated as RPVC) and flexible forms. Rigid PVC
2520-432: The end use specification (underground pipe, window frames, intravenous tubing and flooring all have very different ingredients to suit their performance requirements). Previously, polychlorinated biphenyls (PCBs) were added to certain PVC products as flame retardants and stabilizers. Among the common plastics , PVC is unique in its acceptance of large amounts of plasticizer with gradual changes in physical properties from
2583-647: The hunter to sneak up behind animals on the shoreline and successfully catch their prey. In the 1740s, Russian explorers led by the Danish-born Russian explorer Vitus Bering came in contact with the Aleutians , who had taken the basic kayak concept and developed multiple designs specifically for hunting, transportation, and environmental conditions. They soon recognized the Aleutians were very skillful at hunting sea otters by kayak. Because otters were
Irishtown Nature Park, New Brunswick - Misplaced Pages Continue
2646-547: The mid 19th century. Birdwatching is popular in the park due to the wide variety of birds which reside in the park including: The multi use trails can be accessed from multiple entry points such as the main parking lot at 1155 Elmwood Drive, Caledonia parking lot at 595 Caledonia Road or at the Gerdhart trail entrance across from Cedarwood avenue. These trails are surfaced with compacted gravel which makes it accessible for all to walk, bike, or run and are cleared and sanded in
2709-531: The most common uses of kayaks for hobbyists is whitewater kayaking. Whitewater kayaking is when a kayaker traverses down a series of rapids. The difficulty of these rapid ranges from Class I to Class VI. The difficulty of rapids often changes with water level and debris in the river. Debris that inhibits a kayaker's path are often called "strainers" as they "strain" out the kayakers like a colander. There are often training camps as well as man-made structures to help train kayakers. A surfski (or: "surf ski", "surf-ski")
2772-444: The overwhelming majority of chlorine that is available for dioxin formation during landfill fires." The next largest sources of dioxin in the U.S. EPA inventory are medical and municipal waste incinerators. Various studies have been conducted that reach contradictory results. For instance a study of commercial-scale incinerators showed no relationship between the PVC content of the waste and dioxin emissions. Other studies have shown
2835-457: The paddler would like to do. The second set of essentials for kayaking is an off-set paddle where the paddle blades are tilted to help reduce wind resistance while the other blade is being used in the water. These vary in length and also shape depending on the intended use, the height of the paddler, and the paddler's preference. Kayaks should be equipped with one or more buoyancy aid (also called flotation) which creates air space that helps prevent
2898-529: The place they want to dive. The range can be up to several kilometres along the coastline from the launching point to a place where access would be difficult from the shore, although the sea is sheltered. It is a considerably cheaper alternative to using a powered boat, as well as combining the experience of sea kayaking at the same time. Kayak diving gives the diver independence from dive boat operators, while allowing dives at sites which are too far to comfortably swim, but are sufficiently sheltered. Kayak fishing
2961-435: The presence of PVC has no significant effect on the amount of dioxins released through incineration of plastic waste ." In Europe, developments in PVC waste management have been monitored by Vinyl 2010, established in 2000. Vinyl 2010's objective was to recycle 200,000 tonnes of post-consumer PVC waste per year in Europe by the end of 2010, excluding waste streams already subject to other or more specific legislation (such as
3024-405: The reactor along with a polymerization initiator and other additives. The contents of the reaction vessel are pressurized and continually mixed to maintain the suspension and ensure a uniform particle size of the PVC resin. The reaction is exothermic and thus requires cooling. As the volume is reduced during the reaction (PVC is denser than VCM), water is continually added to the mixture to maintain
3087-403: The replacement of Pb-based stabilisers in 2015. In the early 1970s, the carcinogenicity of vinyl chloride (usually called vinyl chloride monomer or VCM) was linked to cancers in workers in the polyvinyl chloride industry. Specifically workers in polymerization section of a B.F. Goodrich plant near Louisville, Kentucky , were diagnosed with liver angiosarcoma also known as hemangiosarcoma ,
3150-418: The risks the water and terrain pose. Proper clothing such as a dry suit, wetsuit or spray top also help protect kayakers from cold water or air temperatures. "Sit on top" kayaks place the paddler in an open, shallowly concave deck above the water level. This style is usually used for non-white water activities as most find it harder to stay inside the kayak while also preventing them from "rolling" which allows
3213-435: The shoreline, and having the ability to get away from the crowds to find a more solitary environment where boats may not have the ability to do so. Ecotourism based on kayak trips is gaining in popularity. In warm-water vacation destinations such as Sarasota Keys , guided kayak trips take kayakers on a tour of the local ecosystem. Kayakers can watch dolphins breach and manatees eat seagrass, in shallow bay water. One of
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#17327900701083276-414: The single person designs featured by most kayaks. Tandems can be used by two or even three paddlers. Because of their range and adaptability, kayaks can be useful for other outdoor activities such as diving, fishing, wilderness exploration and search and rescue during floods. Kayak diving is a type of recreational diving where the divers paddle to a diving site in a kayak carrying all their gear to
3339-452: The suspension. PVC may be manufactured from ethylene , which can be produced from either naphtha or ethane feedstock. The polymers are linear and are strong. The monomers are mainly arranged head-to-tail, meaning that chloride is located on alternating carbon centres. PVC has mainly an atactic stereochemistry , which means that the relative stereochemistry of the chloride centres are random. Some degree of syndiotacticity of
3402-580: The use of cast iron for plumbing and drainage , being used for waste pipes, drainpipes, gutters and downspouts . PVC is known as having strong resistance against chemicals, sunlight, and oxidation from water. Polyvinyl chloride is formed in flat sheets in a variety of thicknesses and colors. As flat sheets, PVC is often expanded to create voids in the interior of the material, providing additional thickness without additional weight and minimal extra cost (see closed-cell PVC foamboard ). Sheets are cut using saws and rotary cutting equipment. Plasticized PVC
3465-440: The user does tricks and maneuvers: "Inflatables" are a hybrid of the two previous configurations; these boats have an open deck, but the paddler sits below the level of the deck. These boats are often subject to more instability due to the way the boat sits higher in the water. They are often used in a more commercial setting, they are often affectionately called "Duckies". "Tandems" are configured for multiple paddlers, in contrast to
3528-399: The user to upright themselves if they flip over. There are some benefits to sit on tops such as the ability for a "dry hatch" these are a compartment, that usually runs the length of the kayak, which in addition to providing more buoyancy allows for the kayaker to store various equipment. "Sit on top" kayaks often use "through holes" which allows any water that got in the boat to make it through
3591-428: The winter for walking. This multiuse trail is used by walkers, runners, wheel chairs, bikers and hikers. The footpaths (5.8 km) can be accessed from the surfaced trails. These trails are more natural trails made for the adventurer. They mostly run along the lake with sections where it is wet have been surfaced with wood chips or boardwalks for easier access. These trails are used by hikers, walkers and snowshoers in
3654-569: The winter. Kayaking Kayaking is the use of a kayak for moving over water. It is distinguished from canoeing by the sitting position of the paddler and the number of blades on the paddle. A kayak is a low-to-the-water, canoe-like boat in which the paddler sits facing forward, legs in front, using a double-bladed paddle to pull front-to-back on one side and then the other in rotation. Most kayaks have closed decks, although sit-on-top and inflatable kayaks are growing in popularity as well. Kayaks were created thousands of years ago by
3717-496: The world's PVC production capacity is in China , despite the closure of many Chinese PVC plants due to issues complying with environmental regulations and poor capacities of scale. The largest single producer of PVC as of 2018 is Shin-Etsu Chemical of Japan , with a global share of around 30%. The product of the polymerization process is unmodified PVC. Before PVC can be made into finished products, it always requires conversion into
3780-431: The world's PVC resin manufactured annually is used for producing pipes for municipal and industrial applications. In the private homeowner market, it accounts for 66% of the household market in the US, and in household sanitary sewer pipe applications, it accounts for 75%. Buried PVC pipes in both water and sanitary sewer applications that are 100 mm (4 in) in diameter and larger are typically joined by means of
3843-540: Was 568,695 tonnes which in 2018 had increased to 739,525 tonnes. One approach to address the problem of waste PVC is also through the process called Vinyloop . It is a mechanical recycling process using a solvent to separate PVC from other materials. This solvent turns in a closed loop process in which the solvent is recycled. Recycled PVC is used in place of virgin PVC in various applications: coatings for swimming pools, shoe soles, hoses, diaphragms tunnel, coated fabrics, PVC sheets. This recycled PVC's primary energy demand
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#17327900701083906-488: Was permanently banned for use in children's products in the US in 2008 by US Congress; the PVC-DEHP combination had proved to be very suitable for making blood bags because DEHP stabilizes red blood cells, minimizing hemolysis (red blood cell rupture). However, DEHP is coming under increasing pressure in Europe. The assessment of potential risks related to phthalates, and in particular the use of DEHP in PVC medical devices,
3969-752: Was subject to scientific and policy review by the European Union authorities, and on 21 March 2010, a specific labeling requirement was introduced across the EU for all devices containing phthalates that are classified as CMR (carcinogenic, mutagenic or toxic to reproduction). The label aims to enable healthcare professionals to use this equipment safely, and, where needed, take appropriate precautionary measures for patients at risk of over-exposure BaZn stabilisers have successfully replaced cadmium-based stabilisers in Europe in many PVC semi-rigid and flexible applications. In Europe, particularly Belgium, there has been
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