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ASBESTOS RELEASE PROCEDURES
The following covers procedures related to an Asbestos Release event.
If asbestos containing material is disturbed (broken, sanded, abraded, drilled through, punched through, etc.) then this is called an asbestos fiber release event. Asbestos fiber release events are classified as minor and major. Minor release events are when less than 3 square feet or 3 linear feet (in the case of pipe or wiring insulation) of asbestos containing material is disturbed. Major release events are when more than 3 square feet or 3 linear feet (in the case of pipe or wiring insulation) of asbestos containing material is disturbed.
Minor release events are not considered by the law to be reportable events or pose major health concerns for occupants of buildings. The material may be cleaned up under the supervision of properly licensed persons by personnel who have received asbestos operations and maintenance training.
Major release events are required by the law to be reported to the authorities having jurisdiction and may pose a health risk to the occupants of the building. The material must be cleaned up by licensed asbestos abatement contractors and air clearance testing must be performed before building occupants are let back into the affected space.
Asbestos is a group of naturally occurring minerals used in building products to improve durability and/or fire resistance. Within the district's buildings, asbestos containing materials include vinyl asbestos floor tile, some carpet and floor tile mastics (mastics are adhesives), some drywall compounds, some plasters, some concealed spline ceiling tiles, some sprayed on ceiling acoustic material (sometimes referred to as "popcorn" spray), some piping insulation, some exterior plastic panels (transite panels), some sink insulating mastics, some roofing mastics, some adhesives used to attach chalk boards, some fillers for fire doors, some theatrical lighting wiring insulation, and various other materials that occur less frequently in the district. Asbestos is only considered a health risk when it is friable (friable means the material can be pulverized with contact pressure between one's fingers) and when it is found in concentrations exceeding 1 percent of the material containing the asbestos and when it is disturbed.
Each building has an asbestos management plan located in the office area. This asbestos management plan shows the location of all asbestos containing materials inside the building with which a person might come into contact. Among other things, the asbestos management plan includes maps showing where samples have been taken and the results of tests on those samples and maps showing the locations of materials determined to be asbestos containing materials.
If an asbestos containing material has been disturbed, then use the following procedures:
Evacuate and isolate the area.
Until district personnel licensed to determine response actions can arrive on scene, the safest course of action is to evacuate the immediate area where the asbestos containing material has been disturbed. In addition, take measures to isolate the affected area by posting monitors, locking doors, etc. until the licensed district personnel advise you on a response action. Do not attempt to clean up the asbestos containing material. Clean up of the asbestos containing material by unlicensed workers is a direct violation of the law.
Follow the Emergency Work Request procedures.
Contact the Facilities Department and follow the Emergency Work Request procedures.
Facilities Department personnel will respond to investigate the asbestos exposure and will then recommend a course of action. There are three people licensed in the district to assess the situation and determine a response action. They are Juliette Travous, Lance Gibler, and Scott Bennett. Do not act on the recommendations of anyone else in the district in responding to an asbestos material disturbance. The law requires you to follow the recommendations of these three people once they have determined the proper response action. Possible response actions may include:
||Immediate clean-up of the asbestos containing material as an operations and maintenance clean up and a resumption of normal activities within the building.
||Continued isolation of the affected space with a shut down of the HVAC equipment serving the space until a containment can be set up and the asbestos containing material and the affected space can be cleaned up and air clearances are received.
||Expansion of the evacuation and isolation area with a shut down of the HVAC equipment serving the expanded area (this area could include more rooms, an entire wing or floor, or the entire building) until a containment can be set up and the asbestos containing material and the affected space can be cleaned up and air clearances are received.