Roundup Weedkiller to Officially Receive Cancer Warning July 7

roundup cancer warning

By Heather CallaghanEditor

Good news! Despite the cover-up antics of Big Agri – glyphosate – the main ingredient in herbicides such as Roundup – will be officially listed as a substance known to cause cancer in the state of California.

UPDATE: Monsanto Not Required To Place Warning Labels On Products After All

Therefore, after a long-time coming, the toxic product will finally receive the warning it deserves. This is significant news as glyphosate is the world’s most ubiquitous herbicide and since it carries no warning to human health, people mistakenly believe it is safe, simply because it is sold on the market.

From California’s OEHHA posted in late June, 2017:

On March 28, 2017the Office of Environmental Health Hazard Assessment (OEHHA) posted a Notice on its website[1] that glyphosate (CAS No. 1071-83-6) would be added to the list of chemicals known to the state to cause cancer for purposes of Proposition 65[2] with a delayed effective date due to the pending case Monsanto v OEHHA.[3]

Monsanto’s challenge was unsuccessful in the trial court.  Although the case has been appealed, no stay of the listing has been granted. Therefore, glyphosate is being added to the Proposition 65 list on July 7, 2017.

In summary, glyphosate is listed under Proposition 65 effective July 7, 2017 as known to the state to cause cancer, as follows:





    Listing Mechanism*




*Listing mechanism:  LC – “Labor Code” mechanism (Health and Safety Code section 25249.8(a) and Title 27 Cal. Code of Regs. section 25904)

** The International Agency for Research on Cancer (IARC) indicates the following chemicals are “also relevant: 38641-94-0 (glyphosate-isopropylamine salt) 40465-66-5 (monoammonium salt) 69254-40-6 (diammonium salt) 34494-03-6 (glyphosate-sodium) 81591-81-3 (glyphosate-trimesium)” (IARC, 2015b(link is external)), because these salts dissociate to free glyphosate.

Public Comments

Chemical Reference

Related Notices

Footnotes and References

[1] The Notice was published in the California Notice Register on April 7, 2017.

[2] The Safe Drinking Water and Toxic Enforcement Act of 1986, Health and Safety Code section 25249.5 et seq.

[3]Monsanto et al v OEHHA et al., Fifth District Court of Appeal, case number F075362.


 favorite-velva-smallHeather Callaghan is an independent researcher, writer, speaker and food freedom activist. She is the Editor and co-founder of NaturalBlaze as well as a certified Self-Referencing IITM Practitioner. Get a nifty FREE eBook – Like at  Facebook, Twitter and Instagram.

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