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The Dangers of PVC Plastic

Posted By Beth Terry On August 4, 2009 @ 9:42 am In Contests and Giveaways,Polyvinyl Chloride (PVC) | 21 Comments

The Center for Health, Environment, & Justice has released its Back to School Guide to PVC-Free School Supplies [1]. It’s a free downloadable guide to all the products kids might need for school, from binders and notebooks to clothes, electronics, lunch boxes, and a host of other products. It includes a comprehensive guide to suppliers as well as general rules to keep in mind.

So what’s wrong with PVC?

I’ve ranted about PVC products quite often on this blog, but in case you missed those posts, here’s a quick summary:

1. PVC is the only major plastic that contains chlorine, so it is unique in the hazards it creates. During production, PVC plants can release dioxins which harm workers and community members who live nearby. Residents of certain towns in Louisiana, which is home to half the PVC production facilities in the USA, have been shown to have much higher concentrations of dioxins in their blood [2] than the average U.S. citizen.

2. The plasticizers used to make PVC soft contain endocrine-disrupting phthalates which can leach from the plastic, especially when used in children’s toys and other products that may find their way into children’s mouths. A German study just released July 27, 2009 in the journal Pediatrics [3] suggests that the use of intravenous feeding bags that contain the common phthalate DEHP might increase the risk of liver problems in premature babies [4]. In fact, many hospitals have replaced the PVC tubing and IV and blood bags they use [5] with less toxic alternatives.

3. Lead is used to stabilize PVC. According to Jennifer Taggart (The Smart Mama [6]) in her comment yesterday about my PVC binders [7], PVC can also contain

lead or cadmium. If the PVC is stabilized with lead, the lead is available for pickup at the surface – and can then be transferred by the hand to the mouth. In other words, lead can be ingested from a PVC lead stabilized binder without mouthing. Lead doesn’t like being in the plastic matrix, so it migrates to the surface, particularly when exposed to heat and/or friction. Older PVC will have higher concentrations of lead. Having tested lots of binders now with my XRF, there is a substantial percentage that do have lead, but not all.

4. PVC is hard to recycle. According to ecocycle.org, because so many different additives are used to make PVC, recycling the plastic is extremely difficult, and any PVC bottles (#3 plastic) that make it into the recycling stream can contaminate and ruin a whole load of #1 bottles.

5. When incinerated, PVC forms dioxins, a highly toxic group of chemicals that build up in the food chain. When landfilled, PVC poses significant long-term environmental threats as chemical additives can leach into groundwater.

6. PVC gives off noxious gases in a fire. Greenpeace [8] says that in a house fire, fire-retardant PVC will smolder for long periods of time rather than burn, “giving off hydrogen chloride gas long before visible signs of fire appear. Hydrogen chloride gas is a corrosive, highly toxic gas that can cause skin burns and severe long-term respiratory damage.” For this reason, the International Association of Firefighters is one of several organizations calling for a phase-out of PVC [9].

7. For much more information about the hazards of PVC and why we should avoid it, please check out CHEJ’s web site, PVC: The Poison Plastic [10].

I generally believe that reusing the products we already have is the greener choice. But in the case of PVC, I’d rather encourage the development and manufacture of safer alternatives and send the existing PVC to the hazardous waste facility [11].


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URL to article: http://myplasticfreelife.com/2009/08/new-guide-to-pvc-free-school-supplies/

URLs in this post:

[1] Back to School Guide to PVC-Free School Supplies: http://chej.org/campaigns/pvc/resources/pvc-free-products/

[2] much higher concentrations of dioxins in their blood: http://www.cnn.com/2010/HEALTH/02/26/toxic.town.mossville.epa/index.html

[3] Pediatrics: http://pediatrics.aappublications.org/cgi/content/abstract/124/2/710?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&fulltext=DEHP&searchid=1&FIRSTINDEX=0&sortspec=relevance&resourcetype=HWCIT

[4] liver problems in premature babies: http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/07/27/MNNR18VCCG.DTL

[5] many hospitals have replaced the PVC tubing and IV and blood bags they use: http://www.noharm.org/all_regions/issues/toxins/pvc_phthalates/

[6] The Smart Mama: http://www.thesmartmama.com

[7] my PVC binders: http://myplasticfreelife.com/2009/07/beths-big-back-to-school-binder-debate/

[8] Greenpeace: http://www.greenpeace.org/usa/news/how-to-find-and-avoid-toxic-vi

[9] calling for a phase-out of PVC: http://acereport-archives.org/orgs.html

[10] PVC: The Poison Plastic: http://chej.org/campaigns/pvc/

[11] send the existing PVC to the hazardous waste facility: http://chej.org/wp-content/uploads/Documents/PVC/bad_news_comes_in_threes.pdf

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