Mold Remediation >> Guidelines For Mold Abatement Contractors

A variety of organic dust sources may cause HP. The causative agents may include bacteria, fungi, animal proteins, insects, and chemicals. The numerous clinical syndromes are generally given names reflecting the circumstances or sources of exposure. For example, farmer's lung results from exposures to moldy hay, straw,grain, Guidelines For Mold Abatement Contractors and compost. 

Pigeon breeder's or bird-fancier's disease/lung results from exposures to avian protein in bird dander, feathers,and droppings. Although HP is not commonly reported as a BRI, Guidelines For Mold Abatement Contractors sources of concern for building owners and managers include molds, bacteria, and other organisms growing in heating,ventilating, and air conditioning systems, humidifiers, and water damaged buildings. 

To a lesser extent, HP may be associated with exposure to birds or bird droppings during building cleaning and maintenance activities.Ventilation pneumonitis (also called air-conditioner lung, Guidelines For Mold Abatement Contractors humidifier lung, and humidifier fever) is hypersensitivity pneumonitis (HP) that is due to fungal and microbial growth in ventilation and air conditioning systems. 

Onset can occur when maintenance work is performed on these systems. Diagnosis is based on a combination of characteristic symptoms, chest X-ray findings, Guidelines For Mold Abatement Contractors pulmonary function abnormalities, and sometimes immunologic study findings. Inspection of the heating, ventilation,and air conditioning (HVAC) systems and confirmation of the diagnoses are more useful than sampling for mold (8, 25).

How HP differs from asthmaHP differs from asthma in several ways including pathology,diagnosis, and treatment. For example, HP differs from asthma inthe location of the inflammation. Asthma is characterized byinflammation of the larger airways close to the mouth Guidelines For Mold Abatement Contractors and nose. HP is characterized by inflammation of the smallest airways(bronchioles) and the air sacs (alveoli) (24).

Infection Systemic fungal infections Histoplasmosis and cryptococcosis are examples of infections caused by fungi (Histoplasma capsulatum and Cryptococcusneoformans, respectively). The main source of exposure to both organisms is debris around Guidelines For Mold Abatement Contractors bird roosts and soil contaminated with bird and bat droppings. 

Concern about health risks may be warranted in situations where there is a significant accumulation of bird or bat droppings near ventilation systems Guidelines For Mold Abatement Contractors and in attics. Both infections are primarily seen in immuno compromised individuals such as those with AIDS, but can also occur in normal healthy individuals. 

Mycotoxins are metabolic by-products produced by somemolds that can cause toxic reactions in humans or animals.Some mycotoxins are concentrated on Guidelines For Mold Abatement Contractors or within mold spores(3). Mycotoxins may be hazardous through ingestion, inhalation, or skin contact (29). The most well-known and studied mycotoxin is aflatoxin. 

Although not included within the scope of this document, aflatoxin is one of the most potent liver carcinogens known and has been found on contaminated peanuts, grains, Guidelines For Mold Abatement Contractors and other human and animal foodstuffs (3).A wide variety of molds, even some of the most commonly found molds that are generally considered harmless, are capable of producing mycotoxins (30). 

Some molds can produce several mycotoxins (3). Mycotoxin production varies widely depending on the species and growth conditions, such as availability of nutrients,the suitability of the surface on which growth can take place, Guidelines For Mold Abatement Contractors environmental factors (e.g., relative humidity, temperature, light,oxygen, and carbon dioxide), the season, maturity of the fungalcolony, and competition with other microorganisms (12, 15).

The presence of mycotoxin-producing mold in a building does not necessarily mean that mycotoxins are present Guidelines For Mold Abatement Contractors or that building occupants have been exposed to mycotoxins (3, 12, 15). Mycotoxins are generally not volatile (i.e., do not become airborne easily), and according to recent studies, mycotoxins have not been shown to cause health problems for occupants at concentrations usually seen in residential or commercial buildings.

Adverse health effects that may be due in part to mycotoxins have been reported to occur among agricultural workers. However, Guidelines For Mold Abatement Contractors these effects are due to the inhalation of very high levels of molds(e.g., in silage and spoiled grain products) that are orders of magnitude greater than the typical exposures that might be seen when mold is found growing in the indoor environment. 

The phrase "toxic mold” has been used by journalists and many others to refer to molds that have been implicated in severe health effects in humans. Although not a scientific term, Guidelines For Mold Abatement Contractors it is typically used in the press to refer to those molds capable of producing mycotoxins and incorrectly implies that these molds are more dangerous than others. 

In fact, all molds under the right conditions have the potential to cause allergic reactions, infections, Guidelines For Mold Abatement Contractors and toxin-mediated conditions (32). Individuals who believe that they are suffering from mold related symptoms should seek medical attention. Although there is no singular medical specialty that addresses the indoor air environment, an occupational medicine physician has specialty training addressing diseases associated with the work environment. 

See this document for assistance in selecting aqualified professional, Guidelines For Mold Abatement Contractors including a health care professional. OSHA can provide extensive help through a variety of programs,including technical assistance about effective safety and health programs, state plans, workplace consultations, voluntary protection programs, strategic partnerships, training and education,and more. 

An overall commitment to workplace safety and health can add value to your business, Guidelines For Mold Abatement Contractors to your workplace and to your life.Safety and Health Program Management Guidelines Effective management of worker safety and health protection is a decisive factor in reducing the extent and severity of work-related injuries and illnesses and their related costs. 

To assist employers and employees in developing effective safety and health programs, Guidelines For Mold Abatement Contractors OSHA published recommended Safety and Health Program Management Guidelines (54 Federal Register 3904-3916, January 26, 1989). These voluntary guidelines apply to all places of employment covered by OSHA.The guidelines identify four general elements that are critical to the development of a successful safety and health management program: 

Management leadership and employee involvement;Work analysis;Hazard prevention and control; and Guidelines For Mold Abatement Contractors Safety and health training.The guidelines recommend specific actions under each of these general elements to achieve an effective safety and health program.

The guidelines can be viewed on OSHA's website at www.osha.gov/safetyhealth/standards.html under the heading Federal Registers.State Programs The Occupational Safety and Health Act of 1970 (OSH Act)encourages states to develop Guidelines For Mold Abatement Contractors and operate their own job safety and health plans.

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