Mold Remediation >> White Mold

Toxic White molds Some mold, such as Aspergillus versicolor and Stachybotrys atra (chartarum), are known to produce potent toxins under certain circumstances. Although some mycotoxins are well known to affect humans and have been shown to be responsible for human health effects, for many mycotoxins, little information is available, White Mold and in some cases research is ongoing. 

For example, some strains of Stachybotrys atra can produce one or more potent toxins. In addition, White Mold preliminary reports from an investigation of an outbreak of pulmonary hemorrhage in infants suggested an association between pulmonary hemorrhage and exposure to Stachybotrys chartarum. Review of the evidence of this association at CDC resulted in an a published clarification stating that such an association was not established. 

Research on the possible causes of pulmonary hemorrhage in infants continues. Consult the Centers for Disease Control and Prevention (CDC) for more information on pulmonary hemorrhage in infants. (See Resources list for CDC contact White Mold and other information.) mold can produce toxic substances called mycotoxins. 

Some mycotoxins cling to the surface of white mold spores; others may be found within spores. More than 200 mycotoxins have been identified from common mold, White Mold and many more remain to be identified. Some of the mold that are known to produce mycotoxins are commonly found in moisture-damaged buildings. 

Exposure pathways for mycotoxins can include inhalation, ingestion, or skin contact. Although some mycotoxins are well known to affect humans White Mold and have been shown to be responsible for human health effects, for many mycotoxins, little information is available. Aflatoxin B1 is perhaps the most well known and studied mycotoxin. 

It can be produced by the mold Aspergillus flavus White Mold and Aspergillus parasiticus and is one of the most potent carcinogens known. Ingestion of aflatoxin B1 can cause liver cancer. There is also some evidence that inhalation of aflatoxin B1 can cause lung cancer. Aflatoxin B1 has been found on contaminated grains, peanuts, and other human and animal foodstuffs. 

However, White Mold Aspergillus flavus and Aspergillus parasiticus are not commonly found on building materials or in indoor environments. Much of the information on the human health effects of inhalation exposure to mycotoxins comes from studies done in the workplace and some case studies or case reports. 

Many symptoms and human health effects attributed to inhalation of mycotoxins have been reported including: mucous membrane irritation, skin rash, nausea, immune system suppression, White Mold acute or chronic liver damage, acute or chronic central nervous system damage, endocrine effects, and cancer. More studies are needed to get a clear picture of the health effects related to most mycotoxins. 

However, it is clearly prudent to avoid exposure to mold and mycotoxins. Some mold can produce several toxins, White Mold and some mold produce mycotoxins only under certain environmental conditions. The presence of mold in a building does not necessarily mean that mycotoxins are present or that they are present in large quantities. 

Note: Information on ingestion exposure, for both humans and animals, is more abundant, wide range of health effects has been reported following ingestion of mold foods including liver damage, nervous system damage, White Mold and immunological effects. Microbial Volatile Organic Compounds (mVOCs) Some compounds produced by mold are volatile and are released directly into the air. 

These are known as microbial volatile organic compounds (mVOCs). Because these compounds often have strong White Mold and/or unpleasant odors, they can be the source of odors associated with mold. Exposure to mVOCs from white mold has been linked to symptoms such as headaches, nasal irritation, dizziness, fatigue, and nausea. 

Research on MVOCs is still in the early phase. Glucans or Fungal Cell Wall Components (also known as β-(1->)-D-Glucans) Glucans are small pieces of the cell walls of mold which may cause inflammatory lung White Mold and airway reactions. These glucans can affect the immune system when inhaled. Exposure to very high levels of glucans or dust mixtures including glucans may cause a flu-like illness known as Organic Dust Toxic Syndrome (ODTS). 

This illness has been primarily noted in agricultural and manufacturing settings. Spores White mold spores are microscopic (2-10 u m) and are naturally present in both indoor White Mold and outdoor air. mold reproduce by means of spores. Some mold have spores that are easily disturbed and waft into the air and settle repeatedly with each disturbance. 

Other mold have sticky spores that will cling to surfaces and are dislodged by brushing against them or by other direct contact. Spores may remain able to grow for years after they are produced. In addition, White Mold whether or not the spores are alive, the allergens in and on them may remain allergenic for years. White mold in Schools Special communication strategies may be desirable if you are treating a mold problem in a school. 

Teachers, parents, White Mold and other locally affected groups should be notified of significant issues as soon as they are identified. Consider holding a special meeting to provide parents with an opportunity to learn about the problem and ask questions of school authorities, particularly if it is necessary/advisable to ensure that the school is vacated during remediation. 

For more information on investigating and remediating mold in schools, refer to EPA's IAQ Tools for Schools Action Kit and the asthma companion piece for the IAQ Tools for Schools kit, White Mold entitled Managing Asthma in the School Environment. Communication with building occupants is essential for successful mold remediation. 

Some occupants will naturally be concerned about white mold growth in their building White Mold and the potential health impacts. Occupants' perceptions of the health risk may rise if they perceive that information is being withheld from them. The status of the building investigation and remediation should be openly communicated including information on any known or suspected health risks. 

Small remediation efforts will usually not require a formal communication process, but do be sure to take individual concerns seriously White Mold and use common sense when deciding whether formal communications are required. Individuals managing medium or large remediation efforts should make sure they understand and address the concerns of building occupants and communicate clearly what has to be done as well as possible health concerns. 

Communication approaches include regular memos and/or meetings with occupants (with time allotted for questions and answers), White Mold depending on the scope of the remediation and the level of occupant interest. Tell the occupants about the size of the project, planned activities, and remediation timetable. 

Send or post regular updates on the remediation progress, White Mold and send or post a final memo when the project is completed or hold a final meeting. Communication approaches include regular memos and/or meetings with occupants (with time allotted for questions and answers), depending on the scope of the remediation and the level of occupant interest. 

Tell the occupants about the size of the project, planned activities, and remediation timetable. Send or post regular updates on the remediation progress, White Mold and send or post a final memo when the project is completed or hold a final meeting. Try and resolve issues and occupant concerns as they come up. 

When building-wide communications are frequent and open, those managing the remediation can direct more time toward resolving the problem and less time to responding to occupant concerns. Communicate, White Mold When You Remediate Establish that the health and safety of building occupants are top priorities. Demonstrate that the occupants' concerns are understood and taken seriously.  

Present clearly the current status of the investigation White Mold or remediation efforts. Identify a person whom building occupants can contact directly to discuss questions and comments about the remediation activities If possible, remediation activities should be scheduled during off-hours when building occupants are less likely to be affected. 

Communication is important if occupants are relocated during remediation. The decision to relocate occupants should consider the size of the area affected, White Mold the extent and types of health effects exhibited by the occupants, and the potential health risks associated with debris and activities during the remediation project. 

When considering the issue of relocation, be sure to inquire about, White Mold accommodate, and plan for individuals with asthma, allergies, compromised immune systems, and other health-related concerns. Smooth the relocation process and give occupants an opportunity to participate in resolution of the problem by clearly explaining the disruption of the workplace and work schedules. Notify individuals of relocation efforts in advance, if possible.

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