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Asbestos

Added Aug 19, 2015 •

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there are many creatures that you definitely would not want to disturb if you were to encounter them two of these are rattlesnakes and you are unlikely to meet a rattlesnake or bear and its natural habitat but if you did the most prudent thing to do would be to leave it alone you would not want to disturb it we do encounter asbestos materials in the buildings we live and work in and the fibers from these materials can be as hazardous in wrong way as an angry Rattlesnake or bear  to avoid health risks from breathing the fibers treat asbestos materials the same way you would snake or beer in the wild do not disturb them leave them alone this program on asbestos awareness will describe the mineral called Asbestos and the diseases that it's fibers can cause you will see the types of asbestos-containing materials most commonly used in buildings you will find out where these materials are in different areas of the building like when you work in finally you will learn how to spot damaged asbestos-containing materials and how to avoid damaging entech materials in this part we will learn where asbestos comes from and the diseases that asbestos fibers cause  what is asbestos and where does it come from asbestos is a commercial term for several types of naturally occurring mineral fiber it comes from mines in several countries around the world including Russia Brazil China Zimbabwe Kazakhstan and Canada two minds are still operating in Canada this one is near asbestos go back the pit is more than a thousand feet deep and the mill on the far Rim is over a mile away this mine is just outside of the town where is its name this is the surface of the Mind The Long Hill in the background is a tailings Pyle of waste rock with asbestos fiber that cannot be commercial distract it  let's descend into the open pit for a closer look these Hall Roads go down 1000 ft to the bottom of the pit these trucks each carry a hundred tons of rock containing asbestos fiber that is blasted from the slopes of the pit and loaded into the trucks rock is dumped into a Crusher and conveyed into the mail inside the mill the fiber is separated from the Rock and shakers such as this one and as much when does remove this possible this waste material is sent to the tailings pile after the fiber is grated play length it is packed in bags such as this one  the bags are sealed and marked with a great of fiber been wrapped in lowered in a warehouse for shipment all over the world worldwide asbestos fiber production peaked in the nine 7 days and declined until the turn of the century aggressive promotion of asbestos fiber and products in developing countries has recaptured the market in the past decade these countries do not have adequate safeguards against asbestos diseases nearly all of the fiber is used in asbestos cement in the United States the post-war building boom double the use of asbestos fiber until the mid-1970s when the major uses of asbestos where the United States currently uses very little asbestos fiber compared to other countries and two previous decades United States use 2500 tons of asbestos fiber in 2005 all of which was imported and went into Roofing Coatings and other products such as Brake & Clutch Vinings by 2009 the consumption of asbestos fiber in the United States had decreased to 715 X  contrary to popular belief it is still legal to make sell and install a wide variety of asbestos products in the United States a few are listed here demand for asbestos products and the incentive to make them has been sharply reduced by liability concerns and lawsuits certain uses of a fastest were banned by the Environmental Protection Agency in the 1970s  these applications are shown here later a chance to extend the ban we're foiled bike or challenges are comprehensive ban on asbestos used in the United States has yet enacted  six types of asbestos are regulated by the Environmental Protection Agency and occupational safety and health administration these are chrysotile amosite pro satellite tremolite and papa light and actinolite the first three are frequently found in building materials this is asbestos fiber from a mind such as those you just saw it is chrysotile which is the most common form of asbestos that has been used worldwide the fibers are thin flexible and strong and were processed into thousands of products price at I'll belongs to Serpentine class of asbestos fibers and is sometimes called White asbestos another type of asbestos fiber found in building materials not as often as chrysotile is amosite and a side has thin and needle-like fibers and belongs to the amphibole class of asbestos fibers and a side was mined in South Africa and was used mostly in insulating products  Pro satellite was mined in Africa and Australia you can see why it is called Blue asbestos like amosite it belongs to the amphibole class of asbestos fibers proselyte was used to make insulating products send also asbestos cement pipe tremolite is also an amphibole asbestos it is not mine commercially but here is as a contaminant in vermiculite and tell you may have heard about the tragedy in Libby Montana where hundreds of workers and other residents have become sick and die from inhaling the fibers in the vermiculite that was mine there we will discuss vermiculite insulation in the next segment  the bundles are asbestos split lengthwise into very thin individual fibers shown here by transmission electron microscopy some of these fibers are so thin less a tenth of a micrometer that a quarter of a million of them laid side-by-side would barely be an inch wide inhaling these tiny fibers is what causes asbestos diseases we are going to discuss next to appreciate how asbestos fibers cause disease we need to know a little about the human respiratory system picture of three such as this one above the ground the tree has a trunk branches and leaves  now imagine that part of the tree upside down  think of the trunk of the tree is your throat the branches as the air passages in your lungs and the leaves as the air sacs at the end is there a ways  the branches of a tree get smaller and more numerous the farther they are from the truck and the air passages in your lungs also divide and get Thriller at the end of these Airways are the air sacs as numerous as leaves on a tree the surface area of the air sacs in your lungs is as large as a tennis court most of the Dust particles you inhale including asbestos fibers never get to your lungs they are trapped in the mucus me rub your throat brought up and swallowed this goes on all the time without you even realizing it fibers that Lodge in the Airways can penetrate so what's an interfere with their function in a way that causes the cells to grow out of control these cells don't function as long as sales but form of malignant Mass call the tumor this disease is all too familiar to us as lung cancer that was into work with asbestos have died from long can however we all know that the leading cause of lung cancer isn't asbestos but cigarette smoking  because smoking inhibits the clearing of particle such as asbestos fibers from your respiratory system your chances of developing lung cancer increase dramatically if you smoke and work with asbestos one study show that inhaling asbestos fibers increases the risk of lung cancer five times and smoking increases the risk 10 times  what do you is the combined risk from both 15 times  no the study show that the risks are an added they are multiplied the risk of lung cancer from exposure to asbestos fibers if you smoke is increased by 50 times compared to being exposed to neither of these toxic materials other Studies have shown an even higher combined risk  just as the leaves on a tree exchange oxygen and carbon dioxide with the atmosphere the air sacs in your lungs exchange these gases with your bloodstream when you inhale oxygen enters the tiny capillary surrounding the sex and when you exhale carbon dioxide leaves your blood through the air sacs if microscopic asbestos fibers get past the mucus can your throat and all the way down into the air sacs sounds in the air sacs May react by engulfing the fibers to isolate them unfortunately this pornstar tissue that reduces the exchange of gases and the usefulness of the air sacs is impaired  the scarring of lung tissue that is caused by asbestos fibers can progress to a condition called asbestosis in which air sacs no longer exchange oxygen and carbon dioxide with the bloodstream and breathing is severe impaired  asbestosis result in respiratory failure or the heart fails from trying to pump more blood to carry the oxygen the body needs that wasn't of workers have died from asbestosis since the beginning of the twentieth century as the use of asbestos products increased in why did States until the 1970s the number of annual deaths from asbestosis did the same  this increase in deaths from asbestosis leg vegan you said you was my decades because asbestos-related diseases take a long time to develop it can be 10 years or more before symptoms such as short labret or a spot on an X-ray show up this is called the latency.  If asbestos fibers reach the lining of the lung or cavity eye disease called pleural mesothelioma can develop that's a $10 word so let's break it down mezzo means middle like the mezzanine or middle floor in a building Lobby Sealy comes from epithelium which is the lining of your body cavities and Oma do you know it's a type of cancer such as melanoma or skin cancer so mesothelioma is a cancer of the lining of the middle of the body asbestos fibers can also Lodge in tissue lining the abdominal or peritoneal cavity when this happens a type of cancer called peritoneal mesothelioma candy Bella mesothelioma can't have a latency period of 30 to 40 years when did develops it spreads rapidly through the Linings of the lung and abdominal cavities and is almost always fatal within a year or so of being discovered glioma has been found in workers who are exposed to asbestos during short periods of employment and has also occurred in people who are not exposed on the job they might have finally watched or otherwise handled contaminated clothing worn by workers and Manufacturing and installation of asbestos products or just lived in the vicinity of an asbestos Mill or factory  asbestos disease affects people in all countries in the United Kingdom where the link between asbestos fibers and lung these was discovered over a century ago annual deaths from mesothelioma are still increasing even though the use of asbestos has decline sharply as does has been a very useful material but unfortunately at the cost of thousands of lives that continues worldwide how many asbestos fibers do you have to how to develop lung cancer asbestosis or mesothelioma that's like asking how many viruses you have to breathe in to catch a cold  the more best of spiders you inhale the greater your chances of developing an asbestos-related disease once the fibers Lodge in your lungs there is no way to remove remember that no two people react the same to asbestos fibers and there is no way to predict whether an individual person will develop one of these disease in April 2009 the acting Surgeon General of the United States announced that most individuals exposed to asbestos weather in a home will workplace or out of doors will not develop disease but there is no level of asbestos exposure that is known to be safe and minimizing your Expo will minimize your risk of developing asbestos-related disease  he further stated activity that disturbs asbestos causing these small Rich to float an air increases the chances of inhalation and the contraction of asbestos-related diseases disturbance is what leads to expose the theme is throughout this program he is do not disturb asbestos-containing materials you can protect yourself and your fellow as well as your family and Community by following the advice in this program and the instructions of your employer next we will look at what is is containing materials are used for and where they are found in buildings says there are different types of animals such as bears and rattlesnakes there are different types of asbestos-containing materials and buildings you need to know what they are used for and how to recognize them and just as bears and snakes are found in many places all over the world asbestos-containing materials are found in many play is in buildings  we will now talk about different types of asbestos-containing materials and what they are used for and where you might encounter them in the buildings you skip as has been used in a multitude of products for the reasons you see here for many uses asbestos was the most practical economical material available we will see why these properties were important but first we need to understand the concept of friability friability is very important to how we treat asbestos-containing materials for one thing regulations are based on whether a material is friable or non fry a friable material can release asbestos fibers and create debris more readily than a non-friable material but that doesn't mean that non-friable don't present a health hazard so what exactly is the difference between friable and non-friable materials this is the regulatory definition of fry this piece of non-asbestos pipe insulation is very friable as it can be easily crushed to powder doing so puts dust in the air that would include asbestos fibers if this insulation contain asbestos non-friable material such as this floor tile can be broken into smaller pieces by hair but not crushed to powder however breaking the material release small amounts of debris and Airborne fibers  if non-friable material becomes damaged or deteriorated debris and fibers can be released this piece of damaged asbestos cement siding can be broken by hand pressure around the edges as we see on this demonstration regulations require material in this condition to be treated as friable  the categories of asbestos containing the Regals as defined by the Environmental Protection Agency have been adopted for other regulations and are widely accepted they are surfacing material thermal system installation and miscellaneous material we will look at each of these in detail surfacing material is applied to the structural framework ceilings other surfaces of the building usually buy spray but sometimes it is traveled on asbestos was used to fireproof structures because it is not combustible and has a high thermal resistance it is found on steel beams columns and Joyce that form the structural framework of a building it was also a why do decks which are the underside of the floors as viewed from Below in the warehouse we just saw and in this mechanical room the fireproofing is Expo review fireproofing on it otherwise uncoded deck next to beams is called over spray fireproofing on beams and decks maybe in a plenum play in ceiling this is very common in build-out office spaces asbestos was used in plaster ceilings do to it sound absorbing holidays and to produce an architectural pleasing finish the asbestos is usually in the Finish coat as on the vaulted ceilings in this card room here we see it in a former Airport terminal this is a three coat plaster ceiling consisting of the concrete substrate the brown code layer turn the white finish coat the asbestos is in the Finish coat some ceilings consists of homogeneous plaster that contains asbestos throughout sickness and was sprayed on metal lath send code of asbestos containing plaster may have been applying to a wallboard substrate as in the classroom it is not unusual to find an older plaster ceiling above a newer Layin ceiling the plaster ceiling may have been cut away for has shown here or to install duct for a ventilation system  textured finishes sometimes called popcorn ceilings resume what thin layer of plaster and are common in residential and Light commercial buildings sometimes these textured finishes are on the walls as well as on the sea as in this apartment or the paint may contain asbestos acoustical material is found on the walls of some buildings where noise control is important these workers are removing asbestos soundproofing on metal lath in an air traffic control facility  thermal system insulation is used to control heat transfer in mechanical systems and plumbing and to control condensation the low thermal conductivity of asbestos made it ideal for this purpose which is the most common application in buildings  here we see some common applications of thermal system insulation in a basement mechanical room  my pickle rooms and basements are often crowded with asbestos insulated pipes that carry hot and cold water steam and condensate  asbestos insulation was in some pipes and fittings to keep water hot or cold the straight runs of insulation were factory made while them mudded Compound on fittings may have been mixed on site it is not uncommon to find fiberglass or another non asbestos insulation on the street rods and asbestos insulation on the fittings the red Kings indicate that these elbows contain asbestos but the straight runs do not  space heaters sometimes called unit heaters have us fastest insulation on the steam line serving them the condensate return lines are often uninsulated  these types of heaters are found in warehouses and open types of industrial buildings asbestos pipe insulation is all too often found in occupied areas where people work and live lights where this air handling unit are very close to a desk and filing cabinet used by an office worker  this residential basement has pipes on the firewall Within easy reach of the occupants where the asbestos insulation is susceptible to damage asbestos pipe insulation may be found in attics of all types of buildings usually serving Heating and domestic water systems and unfinished basement with a dirt floor and often low Headroom is called a crawl space telephone computer and electrical wires are sometimes installed here Heights and crawl spaces may be insulated with asbestos call pipe insulation is inside or even under buildings which may be connected by pipe tunnels to each other and to a central heating plants these tunnels may have Crete or dirt floors and there may be debris from damaged insulation they may qualify as confined spaces that require special precautions to work in them pipe insulation may be out of doors and suspended on utility poles answer these Steam and condensate lines  industrial facilities such as power plants and refineries have large quantities of thermal system insulation and much of it is out of doors  the pipe insulation in facilities is often covered with metal jackets as is the insulation on this large vertical tank  a trade name for a common type of asbestos piping relation is aircel this insulation resembles corrugated cardboard and the air spaces helps reduce heat transfer another common name bestest pipe insulation is Meg insulation heel are not likely to find labels like these on the pipes in your building or facility not all pipe in kitchen is out in plain view much of it is contained in walls and ceiling plenums  heating plants have boilers for generating Stewie that are often insulated with asbestos  pipes attached to boilers as in this mechanical room we're insulated with asbestos asbestos insulation was also used on other large items such as Steam drums that are a part of boilers water tanks may be heated with and insulated with asbestos as in this mechanical room the tank on the left is insulated with asbestos the exhaust gases from the boiler go through an asbestos insulated flu and reaching such as this into the exhaust stack asbestos insulation on ventilation ducts may be in the form of blocks and exposed as shown here or covered with cloth and painted fiberglass insulation covered with aluminum foil does not contain asbestos however the seams are sealed with an asphalt mastic that may contain asbestos the same is true of sheet lower cardboard ducting equipment found in mechanical spaces such as this HVAC fan is off an insulated with asbestos these are some common types of miscellaneous materials there are many more friable and non-friable materials are listed here  NEPA study found that there were 2.7 billion square feet of asbestos floor tile install 1.5 million buildings in the United States this type of resilient floor tile is commonly referred to as vinyl asbestos tile or vit the 9 inch by 9 inside showing here is no longer made but when found in older buildings is almost certain to contain asbestos this 12 inch by 12 inch floor tile while newer than the 9 inch by 9 inch size is also likely to contain asbestos  the asphalt-based neck mastic used to install these tiles often contains asbestos as well  floor tile may also be present in multiple layers such as this 12 by 12 inch tile installed over 9 inch by 9 inch tile one or both of the layers may contain asbestos  another type resilient flooring is sheet vinyl flooring commonly called linoleum the thin vinyl facing does not contain asbestos but the wolven or matted back can be almost pure chrysotile asbestos unless saturated with a hardened adhesive the backing is very friable what is among the more complex of miscellaneous materials as it contains a number of components the gypsum core and facing rarely contain asbestos butter filler in the joints Between the Sheets the tape covering the filler and the skim coat over the joints nail holes and Imperfections may contain asbestos The wallboard Joint shown here the vertical strip next to the thermostat is covered with paint and hear the horizontal joint is covered with wallpaper many finished out space is that lay in ceiling tiles of the two foot by four foot size shown here or the 2-foot by 2-foot sign shown here asthma is it's not likely to be found in these tiles however fire rated ceiling tile with a reddish backing and marked as shown here may be found in buildings constructed in the night 60s it contain price of tile and amosite asbestos 12in X 12in ceiling tiles rarely contain asbestos but the glue Spa that hold them to the deck are often and asbestos-containing mastic asbestos Cement Products account for the most common use of asbestos fiber worldwide and are turn found in the United States as siding on residential Industrial and Commercial buildings it may be in Alarma flat or corrugated sheets which is used for siding and also roofing material  asbestos cement roofing and siding can release fibers Sunny the building as well as on the outside  Ladon corrugated asbestos cement sheets have been used to construct cooling towers and the exhaust stack I've also been made from asbestos cement asbestos cement has been used to make pressure pipe for water distribution in addition to chrysotile some pipe can't is Crystal Light to increase its strength and amosite has also been used exhaust Blues on furnaces have been made of an asbestos cement product with a name transite transite has become a generic term for asbestos cement annual find it applying too many products made from this material this material has also been used for electrical ducks and substations and on utility poles used in transmission and Distribution Systems insulation on high voltage wiring in the electrical Vault has been made with asbestos as well as play ring for flood lights in theaters one of the first uses of asbestos fiber was involving products dating back to at least the Roman Empire Legend has it that about a thousand years ago the emperor Charlemagne through an asbestos tablecloth into the Royal fireplace as a way of an making potential enemies with a display of his magical powers  more practical applications of the flexibility of asbestos fibers include this theater and asbestos glove the flexibility and heat resistance of the glove made it a very useful product for industrial and laboratory applications all woven asbestos product commonly found in mechanical spaces is the vibration dampener on HVAC systems that connects the fan housing to the metal ductwork  these items may contain almost pure chrysotile asbestos asbestos gaskets maybe pre-cut and assembled or maybe in the form of sheet stock has shown here  packing for valves and other components may contain Masters and it may even be found in between the bricks of an old boiler  vermiculite mine near the town of Libby Montana was used for solation in homes and other buildings Nationwide this insulation is found in attics and also as loose pill inside walls Libby vermiculite change tremolite one of the affable forms of asbestos and is very friable  roofing materials may contain asbestos in the ass what membrane at also in the flashings around pair of pets and vets these flashings become friable as they weather and dry out not all building ghost contain asbestos or even need to be suspected as such a qualified person can determine that certain materials such as this fiberglass pipe insulation is pink insulation batt are free of asbestos many asbestos-containing materials resemble those that are not made with asbestos the only way to sure if a material contains asbestos or not is to have a sample collected and sent to a laboratory for analysis here we see a sample of pipe insulation being take this analyst is using optical microscopes to find and identify asbestos fibers in a sample of material the shape of the fiber their colors and other Optical properties allow him to identify them as chrysotile he will also determine the percent of asbestos in the material this course does not qualify you to collect or analyzed samples unless it is sampled and analyzed OSHA regulations require you to presume that all purposely material and thermal system insulation in buildings constructed no later than 1980 and resilient flooring material installed no later than 1980 Reigns asbestos  now that we have seen what asbestos-containing materials are used for and where they are found we will learn how to recognize damaged bit feels and how to avoid damaging intak materials this part of the pro Ram will show you how to recognize asbestos materials that have already been damaged and explain what caused them to be in this condition we will discuss how to avoid damaging in act asbestos materials and what you should do if you encounter damage materials or if you find a Brie asbestos-containing materials lose their integrity when they are physically damaged by someone or something and this can result in a release of debris and Airborne fibers  the most common cause of damage to a fastest materials is the carelessness indifference or lack of knowledge of people who work around them this can be prevented by training awareness and good workout the insulation on bees abandoned pipes is exposed and can release debris and fibers if disturbed the asbestos insulation on the what Emily's text was cut away to fit over the bee fibers and debris can be released from the exposed insulation  biggest bestest covering is been scraped off the steam drum on a boiler exposing the asbestos material between the fire bricks  this heater in a school was within easy reach of whoever accidentally or deliberately damaged the pipe insulation metal jackets can protect pipe insulation but the exposed and seeing here can release pie send debris if the pipe is kicked or bumped pipe insulation close to the floor is very vulnerable to damage this gauge was too high to need without getting up on a ladder to reach it worker stepped on the pipe fittings below tearing the covering and the asbestos skim coat on the fiberglass insulation underneath the asbestos insulation on this air. Has been damaged and the debris has fallen next to the fan which can distribute asbestos fibers in the air the fireproofing on these columns was damaged when stock was placed on the shelves with forklifts the debris fell on the boxes below and they had to be dis post off as asbestos contaminated waste ducks and suspended ceilings are among the items attached to the deck overhead the fireproofing is off scraped off the deck to do this as well as to attach electrical fixtures  non-friable materials are also subject to them this floor tile has been scuffed to the extent that the protective wax coating is gone in some places  the edge of the linoleum in this restroom is damaged and the asbestos backing is exposed  asbestos-containing materials deteriorate over time from various environmental influences such as these this asbestos cement corrugated roof has been damaged by weathering one of the causes of environmental damage  the crack panels in this roof not play provide a possible source of fiber release they are a safety hazard to anyone walking on the roof leaking roof has caused this acoustical plaster ceiling to fall contact with a ceiling or continuing water leaks would cause more plaster to fall  water leaks in mechanical equipment often damage the in patient and it's covering water damage is easy to recognize because of the discoloration it produces rust spots on this hot water tank indicate that the cub as well as the insulation underneath is probably week and would fail if subjected to any amount of physical Force  air ducts that not been clean Kenny Jack dust particles that discolor and you rode plaster ceilings releasing asbestos fibers into the year  long-term exposure to Roosevelt most beer or corrosive liquids can result in degradation of the covering on thermal system insulation and the binder even if the asbestos fibers are not affected by chemicals this situation can occur in refineries and other industrial facilities aging of surfacing material results and it's drying out in this mechanical space equipment vibration has produced a layer of dust on the floor grate from the fireproofing on the wall a combination of vibration and water damage including freezing conditions has loose in this fireproofing on structural steel at an airport of fiber release episode is an uncontrolled or on tangible disturbance of asbestos-containing material that results in visible debris fiber release episode zitcer unexpectedly and may happen without direct human intervention the covering around a mudded hang around a pipe has failed possibly due to vibration producing a pile of debris on the Shelf below in the final part of this program we will see how to avoid damaging intact materials and how to avoid making those that are already damaged even words to do this we need to understand the classes of work and the OSHA asbestos standard for the construction industry these regulations apply to your work even if you are not performing what is usually considered construction work we will see which of these classes of work describe the activities required by your job class 1 Word is removal of friable asbestos containing material ACM and requires a four-day training course for workers removal of ceiling plaster is class 1 work as removal of the insulation from this boy will not be doing when's one work Class 2 work is removal of non-friable ACM such as deciding on building and this floor tile you will not be doing class to work which requires at least 8 hours of training class 3 work is often referred to as operations and maintenance or small scale short duration work class 3 where can involve disturbance of asbestos that would really fibers into the air  Glass 3 work or o&m difference from abatement in that removal of ACM is not the primary purpose removing a small amount of insulation to make a pipe tap is an example repairing damaged insulation on a valve is another example of class 3 work cleaning up small amounts of debris from a fiber release episode is class 3 work these workers are cleaning up debris from fireproofing knocked off columns and aware notice that they are wearing respirators and protective clothing just as the class 1 and Class 2 workers you saw it earlier  hosiery tires at least 4 hours of training for class 3 work including Hands-On exercises that are done with non-asbestos materials here we see a worker being trained can use a glove bag EPA requires 16 hours we're working schools of which this asbestos awareness course constitutes the first two hours the duration of training required in your state may differ from these amounts class for work requires 2 hours of training in a car which is this what this course also satisfies the training requirements under the OSHA General Industry standard for housekeeping operations or asbestos-containing material present plans for work includes maintenance and custodial tasks that can require you to contact asbestos-containing material which could involve touching the I'll bring on this pipe insulation but not disturb it by crumbling the insulation is shown here pretend there was a tag like this hanging from the valve to remind you that you can wipe the dust off these pipes as long as you do not cut or otherwise damaged the protective we will put this tag on the next few slides to remind you to be careful around asbestos-containing materials  don't 4 things we're removing or replacing them may result in damaging the covering on the pipe insulation don't lean a ladder or other equipment against pipe insulation don't use pipes for handholds or hang things from them in mechanical rooms do not cut or otherwise damaged the covering or touch exposed insulation do not lean a ladder or other equipment against the insulated pipes or tanks do not stand on an insulated tank or trailer or kick or bump the insulation  do not remove debris from damaged insulation do not Place tools or equipment on insulated. or stand on them as doing so could damage the protective covering on the insulation  remove metal jackets from pipe insulation carefully replace the jacket immediately if debris is released do not penetrate the covering underneath the metal jacket in areas with a low ceiling and when did pipes look up to see if there is damaged insulation overhead that you might accidentally bump into  do not touch the insulation if the covering is there pipe insulation near the floor is very susceptible to damage look down to see if there's insulation close to the floor that you might accidentally or debris you might step on do not clean up debris from damaged pipe insulation  this course does not qualify you to Android laminated crawl space under a building when it's bestest debris from damaged insulation gets mixed in with a dirt and stirred up very high levels of Airborne asbestos fibers result do not go into a crawl space unless you have received class 3 training and are properly protected any quipped while you can contact how bring on thermal system insulation without disturbing it surfacing material is usually unprotected it is virtually impossible to contact material such as fireproofing plaster without disturbing them and releasing fibers one important rule is to never enter a plan I'm above ale and ceiling until you find out does up there lift the first tile very carefully if you see something like this fireproofing debris or this pipe insulation replace the tie and seek assistance  do not live any ceiling tile covered with debris that might be asbestos do not clean up or disturb debris on top Styles leave the plenum immediately if debris is present never touch fireproofing plaster or any other on did friable material in a plenum and do not detach anything covered with overspray unless you have been told it does not contain asbestos remember that OSHA requires you to receive training for a class 3 Worth to address ceiling plan on if you are going to disturb asbestos-containing materials you might have to wear protective and a respirator to do the word this course does not qualify you to do so  not all fireproofing isn't a ceiling plenum of course who's plaster is readily accessible unless you have been told that the fireproofing or plaster you are working on does not contain asbestos do not touch it for any reason you could change the tubes in this fluorescent light fixture as long as you didn't lean your ladder against the fireproof B grab the beam to stay yourself or otherwise disturb the fireproofing you should not remove these items without class 3 training but you can work on if you are careful not to disturb the fireproofing these light fixtures are recessed in an asbestos plaster ceiling opening a light fixture to replace the ball can result in releasing debris from the ceiling they should not be done without class 3 training and appropriate conscience such as vacating the area protecting the floor wearing a respirator and protective clothing and being prepared to clean up any debris that is released you can change the bulbs in these light fixtures but you cannot remove the fixtures or anything else from the asbestos plaster ceiling with a tray you are now receiving  you can remove objects from asbestos plaster ceilings only if you received class 3 training as required by OSHA you should not have catch anything to the ceiling either as doing so would disturb the asbestos plaster and release fibers  you could change the bulbs in these fixtures as is opening them did not require disturbing the plaster if you change the bulb in this recessed fixture you should not lean your ladder against the plaster or touch it to study cell finally do not paint or clean fireproofing or plaster as doing so would release debris and fibers if you find a Bree from known or aspect asbestos materials do not try to clean it up unless you have had class 3 training and are properly equipped and protected  denarios asbestos material is present never use a dry broom or mop to clean up your workplace  use wet rag or paper towels to wipe services in these areas  can areas where asbestos material is present never use a shop vacuum to pick up debris the filter will not stop asbestos fibers which will be exhausted into the air OSHA requires that vacuum cleaners used for asbestos work be equipped with a HEPA high-efficiency particulate air filter if your work involves maintenance of asbestos floor tile sand or grind the flooring keep a coat of wax between the tile and the pan polish the wax not the tile keep the speed of the polishing below 300 RPM if asbestos mastic is exposed do not disturb the Mastic  now you know what asbestos material like when it is in poor condition and when it could release fibers into the air from even the slightest touch you can prevent that from happening because now you know why you need to be careful  what is materials look like  what they are used for where are they are found how to recognize damaged materials how to avoid damaging intak materials  finally you can now recognize situations where class 3 training required to perform work  although dangerous animals such as rattlesnakes and bears may be hard to see you can share their habitat if you know where they are and you leave them alone you don't have to be afraid of them but you should respect them  the same is true for his best the fibers may be hard to see you would need a microscope to see the fibers that are small enough to get into your lungs but you should respect asbestos-containing cereals none-the-less be careful and leave them alone

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