Re: NEW NIOSH / CDC MOLD ADVICE FOR WORKERS IN DAMP BLDGS
Posted by Deborah on 6/18/10
POWER TO TRUTH. On 6/18/10, Sharon wrote: > "Contradicting research results exist regarding whether > toxigenic mold found indoors causes unique or rare health > conditions such as bleeding in the lungs." is a step in the > right direction for them - as compared to, "Can't prove it, so > didn't happen". > > > On 6/18/10, Rem Dude wrote: >> At least the CDC is attempting to dispell much of the hype >> and hysteria surrounding "toxic black mold". >> >> CDC - Certain molds are toxigenic, meaning they can produce >> toxins (mycotoxins), but the molds themselves are not toxic, >> or poisonous. Hazards presented by molds that may produce >> mycotoxins should be considered the same as other common >> molds which can grow in your house or workplace. >> Contradicting research results exist regarding whether >> toxigenic mold found indoors causes unique or rare health >> conditions such as bleeding in the lungs. >> >> I am also pleased they are informing folks that extensive >> testing is a waste of time and money. >> >> Now if we can just get them to grasp proper remediation >> techniques and stop telling folks that soap and bleach are >> effective... >> >> RD >> >> On 6/13/10, Susan wrote: >>> URGENT ATTN: JUNE 1, 2010: NEW NIOSH / CDC MOLD ADVICE FOR >>> WORKERS IN DAMP BLDGS >>> >>> THE FOLLOWING WAS UPDATED 6/1/2010 ON THE NIOSH / CDC >>> WEBSITE >>> >>> THIS IS IN ALIGNMENT WITH THE REQUESTS MADE OF CDC BY >>> CENTER FOR SCHOOL MOLD HELP AND WHO INFORMATION, WHICH IS >>> NOT CITED ON THIS PAGE >>> >>> THIS INFORMATION WILL IMPACT EVERY WORKER IN AMERICA WHOSE >>> WORKPLACE IS DAMP, WATER-DAMAGED, AND/OR MOLDY. PRINT THIS >>> REPORT DIRECTLY FROM THE URL BELOW AND SHOW YOUR >> PHYSICIAN, >>> ATTORNEYS, AND EMPLOYERS IF YOU THINK YOU ARE ILL FROM A >>> DAMP BUILDING.(Susan Brinchman, Director, Center for >> School >>> Mold Help, www.schoolmoldhelp.org) >>> >>> ---------------------------------------- >>> >>> http://www.cdc.gov/niosh/topics/indoorenv/mold.html >>> >>> NIOSH >>> Workplace Safety and Health Topics >>> Industries & Occupations >>> Indoor Environmental Quality >>> INDOOR ENVIRONMENTAL QUALITY >>> Dampness and Mold in Buildings >>> >>> On this Page: >>> What is Mold? >>> "Toxic Mold" & Stachybotyrs chartarum >>> Remediation of dampness and mold contamination >>> I suspect mold in my workplace. How do I test for mold? >>> Symptoms related to dampness and mold >>> What workers can do? >>> What management and building owners can do >>> Resources >>> References >>> >>> >>> Dampness results from water incursion either from internal >>> sources (e.g. leaking pipes) or external sources (e.g. >>> rainwater). Dampness becomes a problem when various >>> materials in buildings (e.g., rugs, walls, ceiling tiles) >>> become wet for extended periods of time. Excessive >> moisture >>> in the air (i.e., high relative humidity) that is not >>> properly controlled with air conditioning can also lead to >>> excessive dampness. Flooding causes dampness. Dampness is >> a >>> problem in buildings because it provides the moisture that >>> supports the growth of bacteria, fungi (i.e., mold), and >>> insects. >>> >>> >>> In the presence of damp building materials the source of >>> water incursion is often readily apparent (e.g., leaks in >>> the roof or windows or a burst pipe). However, dampness >>> problems can be less obvious when the affected materials >>> and water source are hidden from view (e.g., wet >> insulation >>> within a ceiling or wall; excessive moisture in the >>> building foundation due to the slope of the surrounding >>> land). >>> >>> What is mold? >>> Mold is a fungal growth that forms and spreads on various >>> kinds of damp or decaying organic matter. There are many >>> different mold species that come in many different colors. >>> Molds are sometimes referred to as mildew. They are found >>> both indoors and outdoors in all climates, during all >>> seasons of the year. Outdoors, molds survive by using >>> plants and decaying organic matter such as fallen leaves >> as >>> a source of nutrition. Indoors, molds need moisture to >> grow >>> as well as a carbon source from building materials or >>> building contents. >>> >>> Excess moisture is generally the cause of indoor mold >>> growth. Molds reproduce by releasing tiny spores that >> float >>> through the air until landing in other locations. When >> they >>> settle on wet or moist surfaces, the spores can form new >>> mold colonies. Moderate temperatures and available >> nutrient >>> sources make most office buildings ideal for mold growth. >>> >>> Recent media attention has increased public awareness and >>> concern over exposure to molds in the workplace. While >> this >>> may seem to be a new problem, exposure to molds has >>> actually occurred throughout history. In fact, the types >> of >>> molds found in office buildings are not rare or even >>> unusual. It is important to understand that no indoor >> space >>> is completely free from mold spores – not even a surgical >>> operating room. Molds are everywhere, making our exposure >>> to molds unavoidable, whether indoors or outdoors, at home >>> or at work. >>> >>> "Toxic Mold" & Stachybotyrs chartarum >>> Certain molds are toxigenic, meaning they can produce >>> toxins (mycotoxins), but the molds themselves are not >>> toxic, or poisonous. Hazards presented by molds that may >>> produce mycotoxins should be considered the same as other >>> common molds which can grow in your house or workplace. >>> Contradicting research results exist regarding whether >>> toxigenic mold found indoors causes unique or rare health >>> conditions such as bleeding in the lungs. Research is >>> ongoing in this area. >>> >>> Mold growing in buildings, whether it is Stachybotrys >>> chartarum (Stachybotrys atra) or another mold, indicates >>> that there is a problem with water or moisture. This is >> the >>> first problem that needs to be addressed. >>> >>> Remediation of dampness and mold contamination >>> First and foremost, determine the source of moisture and >>> take appropriate measures to make repairs. Damp or wet >>> building materials and furnishings as a result of leaks or >>> flooding should be dried within 24 to 48 hours to prevent >>> the growth of mold. Mold can be cleaned and removed from >>> hard surfaces with commercial products, soap and water, or >>> a bleach solution of no more than 1 cup of bleach in 1 >>> gallon of water. Never mix bleach with ammonia or other >>> household cleaners. Mold in or under carpets typically >>> requires that the carpets be removed. Once mold starts to >>> grow in insulation or wallboard, the only way to deal with >>> the problem is removal and replacement. (CDC- Facts about >>> Stachybotrys chartarum and Other Molds) For complete >>> remediation guidelines go to the New York City Department >>> of Health and Hygiene’s Guidelines on Assessment and >>> Remediation of Fungi in Indoor Environments at >>> www.nyc.gov/html/doh/html/epi/moldrpt.... For "green" >>> environmentally friendly cleaning solutions, go to >>> Greenguard Environmental Institute at www.greenguard.org. >>> >>> I suspect mold in my workplace. How do I test for mold? >>> CDC does not recommend routine sampling for molds. >>> Generally, it is not necessary to identify the species of >>> mold growing in a building. Measurements of mold in air >> are >>> not reliable or representative. If mold is seen or >> smelled, >>> there is a potential health risk; therefore, no matter >> what >>> type of mold is present, you should arrange for its >>> removal. Furthermore, sampling for mold can be expensive, >>> and standards for judging what is and what is not an >>> acceptable or tolerable quantity of mold have not been >>> established. >>> >>> Symptoms related to dampness and mold >>> Health problems associated with excessive damp conditions >>> and mold include: >>> ALLERGIES >>> >>> Allergic responses like those to pollen or animal dander >>> are the most common types of health problems related to >>> mold. Typical symptoms include sneezing; irritation of the >>> nose, mouth, or throat; nasal stuffiness and runny nose; >>> and red, itchy or watery eyes. Inhaling or touching mold >> or >>> mold spores can cause a person who was not previously >>> allergic to mold to become allergic to mold. For people >>> with known allergies, molds can trigger asthma symptoms >>> such as shortness of breath, wheezing, or cough. >> Irritation >>> can also occur in non-allergenic (non-sensitized) people. >>> Additionally, scientific studies indicate that exposure to >>> molds in the workplace can make pre-existing asthma worse. >>> Recent NIOSH investigations document that some damp >>> buildings are associated with developing new asthma. >>> HYPERSENSITIVITY PNEUMONITIS >>> >>> Hypersensitivity pneumonitis (HP) is a kind of lung >>> inflammation that occurs in persons who develop immune >>> system sensitization (similar to an allergy) to inhaled >>> organic dust. It can be mistaken for pneumonia, but it >> does >>> not get better with antibiotics for infection. >>> >>> Symptoms of HP can vary. Some persons have shortness of >>> breath, cough, muscle aches, chills, fever, night sweats, >>> and profound fatigue. These symptoms usually first appear >> 2 >>> to 9 hours after exposure and last for 1 to 3 days. Other >>> affected persons have progressive shortness of breath and >>> cough, as well as weight loss. Work-relatedness may only >>> become apparent over long holidays if symptoms resolve and >>> then recur on return to work. With continued exposure, the >>> persistent lung inflammation of both kinds of symptoms can >>> lead to scarring and permanent damage. The slow >> progression >>> of symptoms and the persistence of symptoms away from work >>> may result in delayed recognition of work-related lung >>> disease by both workers and physicians. >>> >>> HP has been referred to as Bird breeder’s lung and >> Mushroom >>> picker’s disease in specific occupations with a risk of HP >>> from biological dusts. HP has been documented in workers >> in >>> buildings with mold and bacteria contaminated air- >>> conditioners (including spray-water cooling systems), and >>> contaminated ductwork and filters. This lung disease has >>> also occurred in workers who worked in water-damaged >>> buildings with roof leaks, plumbing leaks, poorly draining >>> condensation pans, and high indoor relative humidity. >>> >>> HP is not contagious and is due to a person’s immune >> system >>> reaction to inhaled microorganisms, whether dead or alive. >>> It is possible for workers to have both dampness-related >> HP >>> and asthma at the same time. Additionally, workplaces that >>> have workers with HP may also have workers with building- >>> related asthma. >>> ASTHMA >>> >>> Asthma is a form of lung disease in which the airways >>> develop inflammation and bronchospasm (reversible >>> narrowing) in response to sensitizing or irritating >>> exposure. Affected individuals can experience episodes of >>> shortness of breath, cough, chest tightness, and wheezing. >>> These symptoms occur after exposure to nonspecific >>> irritating substances in the air or after exposure to >>> substances to which an individual is allergic. Medical >>> testing typically reveals evidence of bronchial >>> hyperresponsiveness such as an abnormal methacholine >>> challenge test or reversible airways obstruction on >>> spirometry (a test of lung function). It is important for >>> affected individuals to have a comprehensive asthma >>> treatment plan and regular follow-up with their physician. >>> Early diagnosis and removal from the impacted damp office >>> environment can cure asthma caused by workplace exposures. >>> >>> In approximately 15&37; of asthmatics, the illness may >> have >>> been caused, or made worse, by workplace exposures. Some >>> occupational exposures are well known risks for asthma >>> development (e.g., western red cedar; isocyanates). Indoor >>> environment research has identified evidence of an >>> association between damp buildings and asthma symptoms in >>> individuals with pre-existing asthma. There is also new >>> evidence of an association between damp buildings and new- >>> onset asthma. In an individual with new-onset asthma or >>> worsening of stable pre-existing asthma, measurements of >>> lung function made several times a day at work and at home >>> over several weeks may reveal a pattern of changing lung >>> function that suggests a workplace cause. >>> >>> For individuals with new-onset asthma or worsening of >>> stable pre-existing asthma that is suspected to be related >>> to the indoor environment, controlling or eliminating the >>> sources of indoor contaminants, along with optimal medical >>> treatment, may lead to symptoms of improvement or >>> resolution. >>> What workers can do >>> When workers suspect their health problems are caused by >>> exposure to building-related mold and dampness, workers >>> should: >>> >>> Report concerns immediately to supervisors or those >> persons >>> responsible for building maintenance >>> See your doctor for proper diagnosis and treatment >>> Ask your doctor whether you should be medically restricted >>> from the affected environment >>> What management and building owners can do >>> When health problems are believed to be caused by exposure >>> to mold in the workplace, owners and managers should: >>> >>> Advise workers to see their doctor for proper diagnosis >> and >>> treatment >>> Evaluate the work area for evidence of mold and dampness >>> Repair leaks and remediate water damaged materials >>> Communicate with workers about areas of the building with >>> evidence of mold or moisture damage and provide the status >>> of remediation plans >>> Arrange for relocation of workers whose doctors restrict >>> them from the implicated work environments >>> Resources >>> Facts About Mold - American Industrial Hygiene Association >>> (AIHA) >>> >>> Recognition, Evaluation, and Control of Indoor Mold >>> Fairfax, VA: American Industrial Hygiene Association 2008. >>> ISBN 978-1-931504-91-1 >>> >>> Facts About Mold and Dampness - Centers for Disease >> Control >>> and Prevention (CDC) >>> >>> Mold Resources - Environmental Protection Agency (EPA) >>> >>> Damp Indoor Spaces and Health - Institute of Medicine (IOM) >>> >>> Preventing Mold-Related Problems in the Indoor Workplace - >>> Occupational Safety and Health Administration (OSHA) >>> >>> Guidelines on Assessment and Remediation of Fungi in >> Indoor >>> Environments - New York City Department of Health (NYCDOH) >>> >>> >>> References >>> Brandt M, Brown C, Burkhart J, Burton N, Cox Ganser J, >>> Damon S, Falk H, Fridkin S, Garbe P, McGeehin M, Morgan J, >>> Page E, Rao C, Redd S, Sinks T, Trout D, Wallingford K, >>> Warnock D, Weissman D. Mold prevention strategies and >>> possible health effects in the aftermath of hurricanes and >>> major floods. MMWR. 2006 June; 55(RR-8):1-27. >>> >>> Cox-Ganser JM, White SK, Jones R, Hilsbos K, Storey E, >>> Enright PL, Rao CY, Kreiss K. Respiratory Morbidity in >>> Office Workers in a Water-Damaged Building. Environ Health >>> Perspect. 2005 April; 113(4): 485-490. >>> >>> Fink JN, Ortega HG, Reynolds HY, Cormier YF, et al. Needs >>> and Opportunities for Research in Hypersensitivity >>> Pneumonitis. American Journal of Respiratory and Critical >>> Care Medicine, 2005 April 1. >>> >>> Hoffman RE, Wood RC, Kreiss K. [1993]. Building-related >>> asthma in Denver office workers. Am J Public Health 83:89- >>> 93. Environ Health Perspect. 2005 April; 113(4): 485-490. >>> >>> Park J, Cox-Ganser J, Rao C, Kreiss K. Fungal and >> endotoxin >>> measurements in dust associated with respiratory symptoms >>> in a water-damaged office building. Indoor Air 2006 Jun; >>> 16:192-203. >>> >>> Park JH, Cox-Ganser JM, Kreiss K, White SK, Rao CY. >>> Hydrophilic fungi and ergosterol associated with >>> respiratory illness in a water-damaged building. Environ >>> Health Perspect. 2008 Jan; 116(1):45-50. >>> >>> Sahakian NM, White SK, Park JH, Cox-Ganser JM, Kreiss K. >>> Identification of mold and dampness-associated respiratory >>> morbidity in 2 schools: comparison of questionaire survey >>> responses to national data. J Sch Health. 2008 Jan; 78 >>> (1):32-37. >>> >>> Page updated June 1, 2010
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