Submitted questions will be posted with my response by the following Tuesday or before.
Submitted comments will be moderated and approved within 24 hours.
PFAS, or polyfluoroalkyl substances, are a family of chemicals that are used to make non-stick coatings such as Teflon. Sometimes called Forever Chemicals, they persist in the environment and body and have been linked to health issues such as hindered growth and learning and increased cancer risk.
There has been increasing concern about contamination from PFAS-containing firefighter foam that is used on military bases and some airports. The foam has previously been linked to groundwater contamination in neighboring communities. New reports show that PFAS chemicals have now been detected in milk and vegetables from farms located near military bases. Read more food contamination here.
How to Avoid Contaminated Foods
Federal and state agencies are testing samples from potentially contaminated farms, but until more is known it may be best to avoid food from farms that are located near contaminated sites. EWG has an interactive map that shows sites with known PFAS contamination.
The Air Force is recalling PFAS-containing foam from the U.S. and overseas, but they have not found a safe way to dispose of it once it is reclaimed. The foam is being contracted out to private businesses for incineration, but incineration may not fully destroy the chemical. There is an amendment before Congress to hold PFAC polluters accountable for cleaning up contaminated sites. Click here to learn how you can help.
Question from Wendy
Can you tell me if it’s toxic to carry handbags made of these materials? I know I may need to find out more details about the chemicals but this is what I have so far.
Dyed Nylon with Water and Stain Resistant Coating
Dyed Italian Leather
Vachetta Leather Trim
Let’s take a look at each of the components of these handbags:
Nylon with water and stain resistant coating – Untreated Nylon is one of the least toxic plastics. It is still a synthetic fiber that is made from petroleum but there is little concern for its toxicity. It’s the treatment that is more concerning. It’s hard to say without more information but most stain resistant treatments are made with perfluorochemicals (PFCs) which can be highly toxic.
Dyed leather handle– the tanning process for leather can use 250 different chemicals including chromium which can be very toxic.
Nylon strap– If the Nylon is untreated it should be fine.
Polyamide– This is Nylon. If it is untreated it should be fine.
Polyurethane– There are different types of polyurethane. Read Debra’s post about polyurethane toxicity here. It is likely that this is a food-grade film which would have low toxicity, but you would need to confirm that.
Vachetta leather trim– This is vegetable dyed leather. Vegetable tanning does not use chromium which is a positive but since there can be 250 different chemicals used in the tanning process you might want to find out more about the specific chemicals used. Some vegetable tanned leather may use all-natural materials, but you would need to check to be sure.
Based on the information you have provided, it looks like Handbag #2 is the safer options, but more information would be helpful.
Question from Colleen
Has anyone successfully moved into a house where the previous tenants used scented detergents and dryer sheets in the house. I was under the assumption that the fragrances got into the insulation in the walls, etc. How long did it take to outgass if ever? Would a “bake out” even take care of it?
Debra interviewed Daliya Robson from Nirvana Safe Haven and they discussed a number of ways to eliminate odors (click here for transcript).
I would first try some low-cost options like zeolite or charcoal to try to absorb the odors. As a next step I would try the “bake out”, which has proven successful for many situations. If neither of those work, you might try some of the products mentioned in the interview. Finally, a good air purifier can be very effective. While it is an investment, you will have it for many years to help reduce toxins in your home. There are many sealers on the market that are great for reducing formaldehyde, but I have read that they do not always reduce odors, particularly if they are organic.
Has anyone else had success minimizing these types of odors?
Question from Marcia
My home has two levels. The upstairs and stairs have subfloor, but the downstairs has a concrete slab. I would love to install solid hardwood, but I can’t figure out what would work for the whole house. I wouldn’t mind nailing, but that won’t work over the concrete slab on the lower level. I’m too afraid to use glue. I want it to be zero VOC and totally non-toxic. My daughter spends all her time playing in the floor (and puts her hands in her mouth a lot, so tile is out).
Have you or any of your readers seen info on Timberclick? I can only find them at vendor websites, not their own website. They also seem to have some bad reviews.
Am I missing another install option that could work? I really want to replace the carpet (which was installed in 1996).
I’ve just recently discovered that click flooring can be nontoxic. I can’t speak for all click flooring, but I’ve found two that I would install in my own home.
One is cork and I would have to find out the brand. But it is made in Europe, where they have different standards than we do in the USA. I had the sample in my office for several weeks and no problems.
But the other is a product called Home Legend Click Lock Hardood Flooring , which you can buy at Home Depot.
It’s called harwood flooring, which is misleading because it’s not hardwood through and through, but it’s nontoxic. I was surprised.
It is made of an engineered wood called High Density Fiberboard (HDF) with a hardwood veneer on top. I know this sounds toxic, but it’s not. HDF is made only from wood lignins steamed together with hot water and very high pressure. The hardwood is aptly named. It is VERY hard.
I have had a sample sitting on my desk for several weeks with no problems.
I’m considering putting this flooring in my entire tiny house that I am building. It’s only $1.98 per square foot. Which is ibky $560 for 280 square feet instead of $1500 for cork.
Again I’m not saying all click flooring is made of hardwood, or that all click flooring is not toxic, but this one seems really good.
And there’s no adhesive. You just lay it yourself over your existing subfloor (you may need to seal your subfloor first depending on what it’s made of).
I spend a lot of time writing about how we can choose consumer products that are made without toxic chemicals, but “toxic-free” also includes doing and making thing yourself without toxics. Such as organic gardening.
This year we had a lot of rain, so my little garden is popping with plants I planted last year.
I’ve got chive blossoms ready to eat right now. English peas I planted earlier this year are about to give a harvest. Strawberry plants are sending out runners and the new plants are about twice the size of the original plants and already producing flowers. The two raspberry canes planted last year have produced so many new plants we have been digging them up and replanting because they are overflowing the barrel.
Ralph Waldo Emerson once said, “The Earth laughs flowers.” Today I am saying, “Here in my garden, the Earth is laughing vegetables and fruits!”
I’m fortunate to have Larry and his mom and a brother and a sister—all experienced gardeners—and enough fertile soil that we can each garden to our hearts content. This morning there was a large basket of java beans just harvested that I think we’re having for dinner.
Next weekend we’re going to some wonderful plant nurseries where we can buy heirloom seedings for edible plants. I can’t wait!
As I was walking around my garden, looking forward to pulling raspberries and tomatoes right off the plants and into my mouth I suddenly thought, “Oh, the next step after farm-to-table is plant-to-mouth!” I can hardly wait to do that in a few days when the peas pop. Fresh English peas with chive blossoms right out of my hand.
Question from Jennifer
Does anyone know if silicone touted as antibacterial and antimicrobial is that way because it is naturally a deterrent or if it is treated with a chemical? And if treated with a chemical to be antibacterial, is it inert in silicone in the final product?
I can’t find any information online about it at all for non medical products. For example I’m looking at buying a silicone dish drying mat because the cloth ones just get moldy fast and they all seem to say they are antimicrobial, but I can’t determine why, if it is a natural byproduct of being silicone or if treated like so many things are now.
If my dishes that eat off of will be touching I was wondering if I should be concerned. Thanks!
Antibacterials is a big subject and antibacterials can range in toxic effect from silver having virtually no health effects to triclosan, which is known to be an endocrine disruptor and cause skin and breast cancer, among other health effects. There is even now an antimicrobial made from peppermint oil, so whenever you see the word “antimicrobial,” you need to find out the specific antimicrobial that has been used.
Antibacterials may be widely used and not on the label, for they can be used to prevent the deterioration of plastics, for example, which would not be on the label because it’s not a selling point for consumers. Again, the antimicrobial may be perfectly harmless or have health effects.
With regards to your question as to whether silicone is inherently antibacterial or whether a chemical is added, I would say from looking at online search results that silicone is NOT inherently antibacterial because additives exist to make silicone antibacterial for specific uses.
Would the antibacterial leach from the silicone? Well, depending on what form the antibacterial comes in, it would likely bind to the silicone and not be released. But again, we don’t know the antibacterial or the form it is in, or its toxicity.
I’m using my best logic here, based on my understanding, not on tests.
I always apply the Precautionary Principle, which is, when in doubt, don’t use it.
This is another example of why there needs to be improved labeling that reveals what all the materials are.
Question from Caroline
My home is prone to ants; and this time , as well as regular foundation spraying with Termidor, and placing advion ant bait in heavily infested areas within the home 3 x over the past month, it has been over a month that the ants invade the master bath daily to the point of being unusable. Usual spraying of vinegar and water, sprinkling black pepper or cinnamon was to no avail. I had to call in a professional exterminator who is trying to work with me because of MCS.
I’m going to say something that may sound obvious, but have you tried filling the holes where they come into the house?
This has been my tried-and-true method for controlling ants for almost 40 years and it always works. I even did it when I lived in an apartment building in San Francisco. All the other units were sprayed for ants, but I wouldn’t let them in my unit and did this instead. Even with the spraying the other units had ants. Mine was the only one that did not.
All you need is a bottle of Elmer’s White Glue and a damp sponge.
Trace the line of incoming ants back to where they are coming into your house and make note of the spot. Then wipe up the ants with the sponge. Fill in the hole with Elmer’s Glue. Then go to the next entrance and do the same.
The ants will continue to find new ways to get in until you’ve sealed all the holes. Then you will never have an ant problem again.
Question from Cheryl
Do you have an opinion about a product called Homebiotic which you spray in your home to help eradicate toxic mold?
Thanks for your help.
According to their website, “Homebiotic contains only purified water and natural probiotic bacteria from healthy soil, which each have years of study and are completely safe for humans and pets.”
I don’t see anything toxic here.
Question from Melissa
Thank you for your wonderful website. I have noticed that certain small grocery stores in our area tend to have a very heavy cleaner/deodorant smell. We popped into one this evening for a quick carton of milk, and when I got in the car I realized that the carton had the odor of the store – and the odor even transferred to my hand after I carried it to the car. Is it possible that the chemicals permeated the milk carton and contaminated the milk, or are paper milk cartons sealed well enough to prevent that?
That’s a good question.
Polyethylene can block chemical gases—it is frequently recommended for wrapping mattresses, for example—however the thickness of the layer makes a difference. I’m thinking that the thickness of the coating on a milk carton is thinner than a sheet of plastic.
I can’t say for sure because I couldn’t find any tests on this. I don’t drink milk myself. When I did I purchased organic milk in glass bottles. That’s clearly the safest choice.
If you can taste the scent in the milk, don’t drink it. Since milk generally doesn’t taste like the surrounding environment, logic would tell me that the seal on the paper is both keeping milk in and keeping the environment out.
What can I recommend to a reader who has a new couch and is afraid of day-to-day stains and wants to avoid Scotchguard?
First, is it a new toxic-free couch?
If not, it’s already got some kind of stain repellant on it.
Scotchguard changed it’s formula, so it’s no longer as toxic as it once was.
If it’s a natural couch:
1. I would just put something on it like a blanket or throw to protect the sofa. That’s what I did.
2. AFM Safecoat makes a product called SafeChoice Carpet Lock-Out.
“This one-of-a-kind product is designed to perform two functions: to seal in the outgassing of harmful chemicals found in carpet fibers and to help repel dirt and stains.” You can also apply it to fabric as a stain protector. I’ve used this on carpet and it’s very effective.
It turned out that the sofa in question was a toxic couch, but I wanted to pass on this toxic-free fabric protection product.