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Surveys conducted by the Environmental Protection Agency (EPA) estimate that asbestos-containing materials can be found in approximately 31,000 schools and 733,000 other public and commercial buildings in this country. ECU is no exception. Although ECU has to deal with asbestos-containing building material (ACBM), we are proud of our team-oriented, integrated approach to managing this potentially harmful material. Like managing any potentially harmful material, managing asbestos requires everyone's involvement. Everyone should take the time to become aware of the hazards associated with asbestos and then take measures to protect themselves and others from harm. The intent of this program is to provide staff, faculty and students with basic information regarding asbestos safety. Additional information can be obtained from the Office of Environmental Health & Safety by calling 328-6166 or stopping by our office at 210 E. 4th Street.
The term asbestos refers to a specific group of naturally occurring fibrous minerals found in certain types of rock formations. Asbestos is mined in much the same way as other minerals, such as iron, lead and copper. There are many varieties of asbestos but the three most common are chrysotile, amosite and crocidolite.
Asbestos is contained in more than 3,000 different building products. These include thermal system insulation (pipe and boiler insulation), fireproofing, floor coverings, ceiling tiles, cement pipes, and acoustical and decorative treatment for ceilings and walls. Asbestos fibers are mixed during processing with material which binds them together so they can be used in various applications. Asbestos became a very popular commercial product because it was a relatively inexpensive, virtually indestructible material with desirable physical properties including chemical resistance, fire resistance, thermal insulating ability, electrical insulating ability, mechanical strength, flexibility and good friction and wear characteristics.
The amount of asbestos in these products varies widely from less than 1 percent to nearly 100 percent but any material with at least 1 percent asbestos is considered to be an asbestos-containing material (ACM). While it is often possible to suspect that a product or material contains asbestos by experience and visual inspection, actual determinations can only be made by laboratory analysis. Until a material is tested, assume that it contains asbestos.
The Office of Environmental Health and Safety maintains a database of all samples collected on campus and has developed an inventory summary to assist in identifying areas where asbestos-containing material is located. Samples can only be taken by personnel accredited by the State of North Carolina. Locations not appearing on this inventory are presumed to contain asbestos and are managed as such. The inventory should be consulted prior to conducting any activities that may disturb suspect material. This inventory summary is available from the Office of Environmental Health and Safety.
Although asbestos is an excellent building material, it has the potential to cause serious health problems if it is inhaled. In order for asbestos fibers to be inhaled, they must first become airborne through some type of disturbance. Intact, undisturbed material does not pose a significant health risk and can be safely managed in place.
The three illnesses most commonly associated with asbestos exposure are asbestosis (non-cancerous scarring of lung tissue), lung cancer and mesothelioma (rare form of cancer which affects the lining of the lungs). These diseases do not develop immediately after inhalation but may take 15 to 40 years before symptoms appear. Most of these diseases have been diagnosed in workers who held jobs in industries such as ship building, mining, milling, and fabricating, where employees were exposed to very high levels of asbestos on a routine basis. Regardless, appropriate measures should be taken to minimize exposure.
The body has natural defense mechanisms which help eliminate asbestos fibers and other foreign materials before they become lodged in the lung tissue. Many particles are stopped by the nose and mouth. The breathing passages are also lined with a sticky mucous layer that traps small particles. Lining the bronchial tubes are hair-like projections called cilia that continuously move the mucous layer towards the mouth for expectoration.
Although smoking alone is hazardous to your health, studies show that smokers who are also exposed to asbestos have an increased risk of lung cancer which is 50 to 55 times that of a non-exposed, non-smoker. Non-smokers who are exposed to asbestos have a risk of 5 times that of non-exposed, non-smokers. One explanation for this synergistic effect is that cigarette smoke greatly impairs the body's defense mechanism by paralyzing the cilia. This allows asbestos fibers and other contaminants to reach the lungs and this is where they cause damage.
Asbestos-containing material on the East Carolina University campus is periodically inspected by accredited personnel. However, it it very important that you know how to recognize damaged material and then properly report it so it can be addressed in a timely manner an thus minimize risk of exposure to you and other building occupants. The degree of friability will determine how easily a material can be damaged. Friability is the ease in which asbestos-containing material can be crumbled, pulverized or reduced to powder by hand pressure. So, the more friable a material is, the more likely it is to become airborne. Ceiling material or fireproofing is friable as it can be easily damaged. Floor tiles, on the other hand, are non-friable as it would take quite a bit of effort to damage them. Damage can be in several forms including water damage (characteristic water ring), delamination (material has pulled away from the surface), general deterioration (aging) and physical damage (contact including gouge marks, etc.). You should immediately report any damaged material to your supervisor or the Office of Environmental Health and Safety.
If you encounter a major fiber release, you should take additional measures to protect yourself and other building occupants. A major fiber release of asbestos fibers is defined as a release of greater than 3 square feet of material and could result from water damaged ceilings, pipe ruptures, or inadvertent disruption of material by contractors, staff or building occupants. If you encounter such a release:
The University's Program emphasizes in-place management of asbestos-containing material because intact and undisturbed asbestos materials do not pose a significant health risk. However, occasionally, University staff must conduct small scale, short duration maintenance, repair or minor renovation activities (Operations and Maintenance) than may result in disturbance of asbestos-containing material. These activities can only be performed by authorized staff who have received appropriate training. These activities are also limited by the amount of asbestos-containing material and the purpose of the activity. An example of this type of activity is a leaking pipe that is covered by asbestos-containing insulation. In order to repair the leak, personnel must first remove some insulation. These activities are performed in accordance with applicable rules and regulations that protect the worker and building occupants. Activities are authorized and coordinated by the Office of Environmental Health and Safety to help ensure a safe project.
Sometimes asbestos material must be abated because of the condition of the material presents a significant health risk or the activity is beyond Operations and Maintenance. These activities are conducted by an experienced and accredited asbestos abatement contractor with oversight by the University. Asbestos abatement activities include removal, enclosure (airtight, impermeable, permanent barrier around asbestos-containing materials to prevent the release of fibers) or encapsulation (treatment of asbestos-containing materials with a material that surrounds or embeds asbestos fibers in an adhesive matrix to prevent the release of fibers, as the encapsulant creates a membrane over the surface or penetrates the material and binds its components together.). All abatement activities must be performed in accordance with all applicable federal, state and University rules and regulations and can only be performed by personnel accredited by the State of North Carolina (receive special training and must pass accreditation exam).
Prior to any renovation or abatement project, the area must first be inspected to identify any asbestos-containing materials that may be disturbed in the course of the project. If asbestos is identified, an accredited designer may be needed to design the abatement project to assure it complies with all health and safety rules and regulations. Permits must be obtained from the State and building occupants will be notified of what will be done and when it will take place. An accredited contractor will be utilized to complete the project and they will use engineering controls to protect workers and building occupants. Abatement areas will be posted with warning signs and should not be entered except by authorized personnel and only if provided with appropriate personal protective equipment. Air monitoring will be conducted throughout the project inside and outside the work area to assure concentrations are maintained below permissible limits. Facilities Services and the Office of Environmental Health and Safety provide project oversight.