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Research Shows Scented Laundry Products Emit Hazardous Chemicals Through Dryer Vents

 

 

 

 

 
MCS America

Lourdes Salvador's Column

...Co-founder of MCS America discusses the latest Multiple Chemical Sensitivity issues.

 


 

 

 

 

 

 

 

Lourdes Salvador is the founder of MCS America, a science writer, and a social advocate for the greater awareness of environmental contamination, human toxicology, and propagation of multiple chemical sensitivity (MCS) as a disorder of organic biological origin induced by toxic environmental insults.


For more information visit MCS America

 

 

 

Monday, September 5th, 2011:

 

Research Shows Scented Laundry Products Emit Hazardous Chemicals Through Dryer VentsResearch Shows Scented Laundry Products Emit Hazardous Chemicals Through Dryer Vents


Press Release: Scented laundry products emit hazardous chemical through dryer vents.

 

 

The same University of Washington researcher who used chemical sleuthing to deduce what’s in fragranced consumer products now has turned her attention to the scented air wafting from household laundry vents.

 

Findings, published online this week in the journal Air Quality, Atmosphere and Health, show that air vented from machines using the top-selling scented liquid laundry detergent and scented dryer sheet contains hazardous chemicals, including two that are classified as carcinogens.

 

“This is an interesting source of pollution because emissions from dryer vents are essentially unregulated and unmonitored,” said lead author Anne Steinemann, a UW professor of civil and environmental engineering and of public affairs. “If they’re coming out of a smokestack or tail pipe, they’re regulated, but if they’re coming out of a dryer vent, they’re not.”

 

The research builds on earlier work that looked at what chemicals are released by laundry products, air fresheners, cleaners, lotions and other fragranced consumer products. Manufacturers are not required to disclose the ingredients used in fragrances, or in laundry products.

 

For the new study, which focuses on chemicals emitted through laundry vents, researchers first purchased and pre-rinsed new, organic cotton towels. They asked two homeowners to volunteer their washers and dryers, cleaned the inside of the machines with vinegar, and ran full cycles using only water to eliminate as much residue as possible.

 

At the first home, they ran a regular laundry cycle and analyzed the vent fumes for three cases: once with no products, once with the leading brand of scented liquid laundry detergent, and finally with both the detergent and a leading brand of scented dryer sheets. A canister placed inside the dryer vent opening captured the exhaust 15 minutes into each drying cycle.

 

Researchers then repeated the procedure with a different washer and dryer at a second home.

 

Analysis of the captured gases found more than 25 volatile organic compounds, including seven hazardous air pollutants, coming out of the vents. Of those, two chemicals – acetaldehyde and benzene – are classified by the Environmental Protection Agency as carcinogens, for which the agency has established no safe exposure level.

 

“These products can affect not only personal health, but also public and environmental health. The chemicals can go into the air, down the drain and into water bodies,” Steinemann said.

 

The researchers estimate that in the Seattle area, where the study was conducted, acetaldehyde emissions from this brand of laundry detergent would be equivalent to 3 percent of the total acetaldehyde emissions coming from automobiles. Emissions from the top five brands, they estimate, would constitute about 6 percent of automobiles’ acetaldehyde emissions.

 

“We focus a lot of attention on how to reduce emissions of pollutants from automobiles,” Steinemann said. “And here’s one source of pollutants that could be reduced.” The project’s website also includes letters from the public reporting health effects from scented consumer products. Steinemann says that people’s reports of adverse reactions to fragranced air coming from laundry vents motivated her to conduct this study.

 

Steinemann recommends using laundry products without any fragrance or scent.

 

Co-authors are Lisa Gallagher and Amy Davis at the UW, and Ian MacGregor at Battelle Memorial Institute.

 

For more information, contact Steinemann at This email address is being protected from spambots. You need JavaScript enabled to view it.. She is best reached via email. More information about the research, including a copy of the article, is at http://depts.washington.edu/exposure/

 



From Material Safety Data Sheet (MSDS) for Acetaldehyde:
http://www.sciencelab.com/msds.php?msdsId=9922768

 

Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects: Skin: Causes mild skin irritation. It can be absorbed through intact skin. Eyes: Causes severe eye irritation. Eye splashes produce painful but superficial corneal injuries which heal rapidly. Inhalation: It causes upper respiratory tract and mucous membrane irritation. It decreases the amount of pulmonary macrophages. It may cause bronchitis. It may cause pulmonary edema, often the cause of delayed death. It may affect respiration (dyspnea) and respiratory arrest and death may occur. It may affect behavior/central nervous and cause central nervous system depression. Irritation usually prevents voluntary exposure to airborne concentrations high enough to cause CNS depression, although this effect has occurred in experimental animals. It may also affect the peripheral nervous system and cardiovascular system (hypotension or hypertension, tachycardia, bradycardia), kidneys (albuminuria) Chronic Potential Health Effects: Skin: Prolonged direct skin contact causes erythema and burns. Repeated exposure may cause dermatitis secondary to primary irritation or sensitization. Ingestion: Symptoms of chronic Acetaldehyde exposure may resemble those of chronic alcoholism. Acetaldehyde is the a metabolite of ethanol in humans and has been implicated as the active agent damaging the liver in ethanol-induced liver disease.

 


From Material Safety Data Sheet (MSDS) for Benzene
http://www.sciencelab.com/msds.php?msdsId=9927339

 

Potential Chronic Health Effects:

 

CARCINOGENIC EFFECTS: Classified A1 (Confirmed for human.) by ACGIH, 1 (Proven for human.) by IARC.

 

MUTAGENIC EFFECTS: Classified POSSIBLE for human. Mutagenic for mammalian somatic cells. Mutagenic for bacteria and/or yeast.

 

TERATOGENIC EFFECTS: Not available.

 

DEVELOPMENTAL TOXICITY: Classified Reproductive system/toxin/female [POSSIBLE]. The substance is toxic to blood, bone marrow, central nervous system (CNS). The substance may be toxic to liver, Urinary System. Repeated or prolonged exposure to the substance can produce target
organs damage.

 

 

 


For more articles on this topic, see: MCSA News.

 

Copyrighted 2011 Lourdes Salvador & MCS America

 

 

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