Smoke Damage >> How To Remove A Fire Smoke Smell From Furniture

Guidance on protecting workers in offices and similar indoor workplaces from wildfire smoke has been developed by the California Division of Occupational Safety and Health (Cal/OSHA), in consultation with technical staff from several other California agencies. This document (attached as Appendix A) addresses how to maximize the protection provided by heating, ventilating and air-conditioning (HVAC) systems common in public and commercial buildings, How To Remove A Fire Smoke Smell From Furniture as well as other steps to protect occupants. 

Reduce activity Reducing physical activity is an effective strategy to lower the dose of inhaled air pollutants and reduce health risks during a smoke event. During exercise, How To Remove A Fire Smoke Smell From Furniture people can increase their air intake as much as 10 to 20 times over their resting level. Increased breathing rates bring more pollution deep into the lungs. 

Furthermore, people tend to breathe through their mouths during exercise, bypassing the natural filtering ability of the nasal passages, again delivering more pollution to the lungs. They also tend to breathe more deeply, modifying the usual patterns of lung particle deposition. Many indoor sources of air pollution can emit large amounts of pollutants, How To Remove A Fire Smoke Smell From Furniture some of which are also present in wildfire smoke. 

Smoking cigarettes, How To Remove A Fire Smoke Smell From Furniture using gas, propane and wood-burning stoves and furnaces, spraying aerosol products, frying or broiling meat, burning candles and incense, and vacuuming can all increase particle levels in a home and should be avoided when wildfire smoke is present. 

For instance, How To Remove A Fire Smoke Smell From Furniture in a standard room of 125 square feet, it takes only 10 minutes for the side-stream smoke of 4 cigarettes to generate indoor levels of particles in the hazardous ranges (644 micrograms of particles per cubic meter of air or μg/m3 ). 

Frying or broiling some foods can produce even higher levels of particles in the kitchen and dining areas. Some of these sources can also increase the levels of polycyclic aromatic hydrocarbons (PAHs), carbon monoxide, and How To Remove A Fire Smoke Smell From Furniture nitrogen oxides. 

Besides cigarette smoke, combustion sources that do not properly vent to the outdoors (including "room-vented" or "vent-free" appliances) contribute most to indoor pollutant levels, and How To Remove A Fire Smoke Smell From Furniture are of greatest concern. Thus, reducing indoor air pollutant emissions during smoke events can decrease indoor particle levels, which may partially compensate for the increased particle loading from the outdoor air. 

Air conditioners and filters Little is known about the impact of using various types of room air conditioners and air filters on indoor smoke concentrations in homes. However, How To Remove A Fire Smoke Smell From Furniture homes with central air conditioners generally have lower amounts of outdoor particles indoors compared to homes that use open windows for ventilation. 

Most air conditioners are designed by default to re-circulate indoor air. Those systems that have both "outdoor air" and "re-circulate" settings need to be set on "re-circulate" during fire/smoke events. Also, How To Remove A Fire Smoke Smell From Furniture central air conditioners (and some room air conditioners) contain filters that can remove some airborne particles with different degrees of efficiency. 

If possible, How To Remove A Fire Smoke Smell From Furniture one should replace the air-conditioner filter with a pleated medium- or high-efficiency particle filter. Higher efficiency filters are preferred as they can capture most of the fine particles associated with smoke and can further reduce the amount of outside air pollution that gets indoors. However, caution must be taken to assure that the air conditioning system is able to handle the increased airflow resistance from a higher efficiency filter. 

Filters need to be cleaned or replaced regularly, How To Remove A Fire Smoke Smell From Furniture and should fit the filter slot snugly. In addition to high- and medium-efficiency filters, electrostatic precipitators (ESPs) can sometimes be added by a technician to central air conditioning systems to keep particle levels in indoor air within acceptable levels during a prolonged smoke event. 

For newer air conditioners with a "fresh air ventilation system" that brings in outdoor air continuously or semi-continuously, the "fresh air" component of the system should be turned off during smoke events. This may require closing the outdoor air damper, How To Remove A Fire Smoke Smell From Furniture setting the system on "re-circulate" only, or turning off the energy- or heat-recovery ventilator or exhaust fans that are part of the system. 

If the control system instructions are not clear or accessible, residents should contact their builder or heating and cooling contractor to help temporarily adjust the system. However, How To Remove A Fire Smoke Smell From Furniture residents should also place a reminder tag in a visible spot so that they reset the system once the smoke clears. Many newer homes currently have such mechanical ventilation systems and, starting in 2009, new homes in California will be required to have such systems. 

Mechanical ventilation systems used in public and How To Remove A Fire Smoke Smell From Furniture commercial buildings differ, and are discussed further. Choosing to buy an air cleaner is a decision that ideally should be made before a smoke emergency occurs. During a smoke emergency, it may be hazardous to go outside or drive in an attempt to locate an appropriate device, which may be in short supply. 

It is unlikely that local health officials will be able to buy or supply air cleaners to those who might need them. HEPA filter air cleaners How To Remove A Fire Smoke Smell From Furniture and ESPs can help reduce indoor particle levels, provided the specific air cleaner is properly matched to the size of the indoor environment in which it is placed. 

There are wide ranges of air cleaners How To Remove A Fire Smoke Smell From Furniture and prices to choose from: air cleaners are available as either less expensive portable units designed to clean the air in a single room ($90 - $900) or as larger central air cleaners intended to clean the whole house ($450 - $1500). 

Central air cleaners have been shown to be more effective than room air cleaners, How To Remove A Fire Smoke Smell From Furniture although a good portable air cleaner may improve the air in a bedroom, for example, which may be helpful to an individual with asthma or COPD. Most air cleaners are not effective at removing gases and odors. The two basic types for particle removal include: 

(a) Mechanical air cleaners, which contain a fiber or fabric filter. The filters need to be sealed tightly in their holders, and cleaned or replaced regularly. HEPA filters (and ULPA or ultra-HEPA filters, How To Remove A Fire Smoke Smell From Furniture which are not generally available for residential use) are most efficient at removing particles.

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