It’s that HOT time of year again, when we button up our homes tightly, to keep the cool air in, and the hot humid air out. This is great for keeping your electric bills from skyrocketing, but it also has an effect on our indoor air quality. Here is how that works – when your home is buttoned up tightly, there is little outside ventilation available. That ventilation ordinarily would dilute any accumulation of toxic chemicals released as by-products from the use of some cleansers. And that is the problem – tightly sealed homes trap indoor air. Since we spend so much time indoors during these HOT months, it become extra important to pay attention to maintaining the quality of your indoor environment and a healthy home.
Principles of a Healthy Home
The Department of Housing and Urban Development is promoting 8 “Principles of a Healthy Home” that they hope will help you keep your indoor environment as healthy as it can be. We are happy to share this with you here.
1. Keep your home Dry Mold and moisture increase allergens and asthma triggers, and can cause deterioration of your home.
2. Keep your home Clean Clean homes help reduce pest infestations, dust, and exposure to contaminants.
3. Keep your home Pest-Free Many pest treatments pose risks for families with health problems or expose young children and pets to poisonous residue. Non-pesticide treatments are best for a first line of defense.
4. Keep your home Safe A majority of injuries among children occur in the home. Falls are the most frequent cause of residential injuries to children, followed by injuries from objects in the home, burns, and poisonings.
5. Keep your home Contaminant-Free Chemical exposures include lead, radon, pesticides, and environmental tobacco smoke. Exposures to radon gas, carbon monoxide, and second-hand tobacco smoke are far higher indoors than outside.
6. Keep your home Ventilated Studies show that increasing the fresh air supply in a home improves respiratory health. Air filters in HVAC units collect and protect families from many particulates found in the air.
7. Keep your home Maintained Poorly-maintained homes increase the risk for deteriorated lead-based paint in older housing which is the primary cause of lead poisoning in children less than 6 years of age.
8. Keep your home Temperature Controlled Houses that do not maintain adequate temperatures may place the safety of residents at increased risk from exposure to extreme cold or heat.
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Other ideas to maintain the highest standards for indoor air quality
- Use an extra air filter if you have pets because pets release ‘dander’ and shed hair. You can tape a 20 x 20 air filter to the back of a 20 inch box fan to make a very effective DIY air filter. They work great and can reduce the load on the filtration in your AC unit.
- Clean your carpets regularly. Carpets act like a filter and catch dust, dander, hair, dust mites, cockroach and mice allergens as well as other particulates. Cleaning this accumulation helps keep your indoor environment its cleanest.
- Avoid the use of hazardous cleaning chemicals. Use Nok-Out instead! It is a multi-purpose cleaner that can be used all around the house. See: http://blog.nokout.com/replace-your-toxic-household-cleaning-chemicals-for-a-safer-home-environment/ for more on this idea.
Links to more information regarding Indoor Air Quality
Suffering from Allergies? Runny nose, teary eyes, congestion, sneezing got you down?
It’s the time of year that some of us dread – the coming of Allergy Season. Indoor Air Quality is directly related to our experience of allergy season because we spend a lot of time at home, yet is something most of us take for granted. We have air filters for our HVAC, our car, home, and office too, that trap particulates to prevent us breathing them in. This is a good thing because much of that stuff masquerading as dust is actually pollen, spores, dander and other nearly invisible biological material that can irritate eyes, nose and throat and in some cases, can provoke a headache, dizziness or fatigue.
The degree to which allergy season affects you can vary widely. The blessed among us may never notice anything at all. Allergy sufferers, on the other hand, may dread the arrival of spring and/or fall because of the load of pollen, spores and other stuff floating in the air. Some of the immediate effects of breathing these are very similar to the symptoms of a cold or the flu, which may cause a bit of confusion.
These ‘pollutants’ in your home or office may have many sources:
- combustion by-products
- tobacco products
- new construction (new floors, carpets painted surfaces, cabinetry
- newly manufactured furniture such as mattresses that emit VOC’s
- dirty HVAC filter
- high humidity inside your home
- things that continuously emit ‘fragrances’ or other odor masks
- outdoor sources such as pesticides, and human-caused environmental pollution such as smoke and particulates arising from manufacturing and construction
For many of these a great solution is simply to open the windows and air out the home or office – but this is not always practical, or desirable if the outdoor air is filthy.
Fortunately, we have filters in our homes that help. If you suffer during allergy season, you should not skimp here. Purchase HEPA air filters with the finest filtration ratings you can find, and replace them regularly. There are other filtration sources in the home as well – your carpet is one of them. Drapes and curtains are another. A too-full vacuum cleaner bag can release particulates right back into your home.
How can you reduce ‘allergy triggers’ (allergens) in your home?
Remember that we can’t change conditions outdoors much, but we can have a positive effect on our indoor environment! Don’t let allergy season get the best of you. Here’s how you can make a difference in your home. With a little effort and knowledge, you can restore your indoor environment, to be comfortable at home during allergy season.
1) Place doormats both outside and just inside entryway doors – one on each side of the door. Cleaning your shoes on both of them will help keep floors clean – and the air, too. Clean the mats as part of your weekly housecleaning. If this is unappealing, consider removing your shoes on entry to your home and wearing house shoes while at home.
2) Change your HVAC air filter regularly. Increase the air filtration with the use of an additional air filter. You can make a DIY one with a 20 inch box fan to which you tape a 20 inch square HEPA air filter. (The better quality air filter you get, the better this simple device will work for you – and, it’ll take some of the load off of the HVAC filter, allowing your HVAC filter to last longer and consequently, to run more efficiently).
Also, have your drapes/curtains and carpets professionally cleaned regularly. It is amazing how much filtration is provided by these household items, so keeping them clean will reduce allergens noticeably.
3) Dry wet items quickly. This will prevent the growth of mold and spores. Mold can begin growing on almost any surface within 24 – 48 hours. Put a squeegee in your shower stall and use it before you leave the shower every time. With mold, prevention is far and away the best solution. Manage the water to manage the mold!
4) Dust and vacuum often. Replace your vacuum bag with a new one when it gets 2/3 full, because a full bag will leak particulates back into your home environment. Dust mites, animal dander, fleas and other small insects can be controlled effectively by frequent vacuuming.
5) Take control of indoor humidity levels by using the vents in the bathroom after a shower, and by using the vent over your stove when cooking (but only if it is vented outside the house). Use dehumidifiers in your basement during the times of year when it becomes damp.
6) Reduce your use of cleaning products that leave toxic residues. See: http://blog.nokout.com/replace-your-toxic-household-cleaning-chemicals-for-a-safer-home-environment/ (The Indoor air pollution blog entries are relevant also, part 1, part 2 part 3.) Non-toxic Nok-Out and SNiPER disinfectant are good alternatives for your bathrooms and even the kitchen.
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Header Image Copyright: jjvallee / 123RF Stock Photo
Modern buildings are amazingly energy efficient and are awesome at keeping your HVAC bills low. But for some buildings, there is a decidedly negative side effect. These homes and buildings are so tightly sealed that in some cases, the ventilation does not allow noxious substances to escape. These toxic substances can build up and accumulate and over time, this build-up can result in what has become known as “Sick Building Syndrome”. SBS symptoms first began to be reported in the 1970’s when some people – not all – experienced allergy-like reactions, headaches and other symptoms from non-specific causes that disappeared when they left the building. Symptoms include nausea, dizziness, irritation of the nose, throat and mucous membranes. SBS is a result of indoor air pollution, but this problem can be remedied.
Since the symptoms disappeared upon leaving the building, the issue became know as Sick Building Syndrome.
Sick Building Syndrome
According to the “home air purifier expert” there are four main sources of indoor air pollution that contribute to SBS:
- Biological air pollutants
- Volatile Organic Compounds (VOC’s)
- Combustion pollutants
- Heavy Metals
Biological Air Pollutants are, as the name suggests, come from biological growths and are a frequent source of allergens. If you suffer from allergies, it is likely that this is a source of much misery. This category can include the toxic black mold which grows when there is moisture damage or high indoor humidity.
But this category includes much more than just mold, mildew and fungal infections. There are also other biological sources including dust mites, pet and people dander (skin cells that have been sloughed off), pollen, viruses, and bacteria. A reputedly potent source of indoor allergens is insect body parts. Yech!
Biologicals may be the most common household sources of toxicosis (from black molds), infections of body tissues, and can result in a hypersensitivities.
Volatile Organic Compounds
These are ‘organic chemicals’ that release vapors at ordinary room temperatures. Wikipedia tells us that, “VOCs are numerous, varied, and ubiquitous. They include both human-made and naturally occurring chemical compounds.” Some sources of information on VOC’s assert that there are more than 400 different chemicals in this category. The EPA has prepared a list of hazardous air pollutants here: https://www3.epa.gov/airtoxics/187polls.html. There is another list that is perhaps easier to read here: http://www.home-air-purifier-expert.com/household-products.html.
VOC sources can include newly manufactured products such as a new mattress, a stove, painted items. But there are MANY other sources including household cleaning chemicals, personal hygiene products such as nail polish and nail polish remover, glues, furniture polishes, paints. Even the fragrances in the products we enjoy are often not safe. Tobacco smoke has an astonishing list of VOC’s and is a potent source of indoor air pollution. This list could go on and on and on.
Lesser- known pollutants
Combustion pollutants include Carbon monoxide, sulphur dioxide and nitrogen dioxide. These gasses are the byproducts resulting from combustion in heaters or gas fired appliances that are not then vented outside properly or sufficiently.
Heavy Metals are not as common an indoor pollutant as they used to be. Lead in paint, for example, has mostly been discontinued. It is not commonly known, but paint also used to contain mercury. Other sources of mercury are fluorescent tubes – which contain a small amount and nowadays, CFL bulbs.
In this day and age, we have clearly mastered our world. We enjoy a standard of living that would have astonished our ancestors of a mere 200 years ago and we enjoy a comfort level that was unattainable even a few generations ago. But with this high living standard, we have also brought a concentration of toxins into our homes that also would not have been possible in our yester-years.
For most of us, this level of toxicity in our home environment is unlikely to result in sickness and the cleanliness of our homes does result in a healthier environment that allows us to live longer and more happily. But some people develop more or less vague sickness as accumulations of toxins build up in our tissues and this can result in chemical sensitivities that can really affect lives. These people may suffer from “Multiple chemical sensitivity (MCS). For more information on this, see https://en.wikipedia.org/wiki/Multiple_chemical_sensitivities.
The next installment of this topic will begin to address what we can do to protect ourselves.
Online resources for more information