Rich and Dan, I am always pleased to see that the confusing classifications for various biocides such as gasoline-diesel mixture against voles or natural gases like nitrogen or carbon dioxide also exist in the USA.
In Germany we also have a mobile device for voles called MAUKI, https://www.bruehwiler.com/eigenprodukte/mauki.html/36 In this device, the exhaust gases of a small four-stroke engine are additionally enriched by injecting a gasoline/diesel mixture into the exhaust tract. This results in the roughly simplified following composition for the resulting carburetant: Nitrogen, carbon dioxide, water, carbon monoxide, and a high proportion of unburned more or less volatile hydrocarbons. Carbon dioxide, even more carbon monoxide and also the hydrocarbons are acutely toxic to mammals and lead to death when a sufficient concentration is reached. As far as I know, the device is approved as a plant protection product, while the toxic gases produced in situ are not regulated. Who is supposed to understand that!? Best Regards from Germany Stephan Stephan Biebl Ingenieurbüro für Holzschutz Mariabrunnweg 15 83671 Benediktbeuern https://www.holzwurmfluesterer.de/ https://insectactivitydetectionsystem.de/ https://museumsschaedlinge.de/ ________________________________ Von: pestlist@googlegroups.com <pestlist@googlegroups.com> im Auftrag von Dan Wixted <dj...@cornell.edu> Gesendet: Friday, April 5, 2024 6:12:52 PM An: pestlist@googlegroups.com <pestlist@googlegroups.com> Betreff: RE: [PestList] Fumigation Recommendations Richard, Just a quick clarification: Devices are regulated by EPA; you’ll see an EPA Est. No. on their packaging. There’s typically some logic behind a regulation, but I’m not sure anyone’s still around who would recall the logic that led to regulating items such as the BurrowRx as a device and exempting the carbon monoxide it generates from the pesticide registration process. Overall, FIFRA and the resulting federal regulations work pretty well, so I’m leaning toward there having been a somewhat reasonable explanation for this. I’m just not sure what it was. Dan Wixted Extension Support Specialist Cornell Cooperative Extension Pesticide Safety Education Program 135 CALS Surge Facility 525 Tower Road Ithaca, NY 14853 psep.cce.cornell.edu<http://psep.cce.cornell.edu/> dj...@cornell.edu<mailto:dj...@cornell.edu> 607-255-7525 Cornell Cooperative Extension is an equal opportunity, affirmative action educator and employer From: pestlist@googlegroups.com <pestlist@googlegroups.com> On Behalf Of Pollack, Richard J Sent: Friday, April 5, 2024 11:48 AM To: pestlist@googlegroups.com Subject: Re: [PestList] Fumigation Recommendations Dan, Yes, it is confusing and confounding. Perhaps someone from EPA might want to jump in to elaborate or correct me. If one were to purchase a pressurized cylinder of CO for use as a pest abatement tool, that bottle would have to carry an EPA label. The BurrowRx machine (and others that operate similarly) are devices. The CO produced is a biproduct of combustion produced on site. The device itself is not regulated by EPA, nor is the effluent produced. I’ve challenged EPA on this point. If I were to try to fill a burrow with water from a garden hose, technically that would not be a pesticide application. Ah, but what if I purchased water in a 5 gallon jug and used the contents to abate rats? Use of water would rarely be effective (unless you flood the entire area to drown the rats), so it is an academic question. I can’t imagine that EPA would rule that water would be a pesticide. Neither you nor I drafted the regulations. If I did, they’d probably be even more confusing. But, we must adhere to these regulations whether or not we agree with them! -Rich From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> on behalf of Dan Wixted <dj...@cornell.edu<mailto:dj...@cornell.edu>> Date: Friday, April 5, 2024 at 11:03 AM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Subject: RE: [PestList] Fumigation Recommendations Richard, It is confusing. A piece of equipment that can generate a lethal agent, but is not sold with anything the agent is produced from, is considered a device, and thus does not need to be registered as a pesticide. An example is BurrowRx, which kind of looks like a lawn mower. It is not sold with gasoline. But when you add gas to it and turn it on, it generates carbon monoxide, which you can direct into rodent burrows to kill the rodents. Not sure I get the logic, either, but that’s the way the regulations have read since the 1970s. --Dan Dan Wixted Extension Support Specialist Cornell Cooperative Extension Pesticide Safety Education Program 135 CALS Surge Facility 525 Tower Road Ithaca, NY 14853 psep.cce.cornell.edu<https://urldefense.proofpoint.com/v2/url?u=http-3A__psep.cce.cornell.edu_&d=DwMFaQ&c=WO-RGvefibhHBZq3fL85hQ&r=GO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE&m=X7Tvs6-avhqzHFtqMk2ivMX2CoHa2PskKwbdHfdCKRTNGJ6Kxoa0pox_pt999jaJ&s=5u-BAQMW73h5yVpZhdwMaw6nM18ApqIIFT15n53B9UM&e=> dj...@cornell.edu<mailto:dj...@cornell.edu> 607-255-7525 Cornell Cooperative Extension is an equal opportunity, affirmative action educator and employer From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> On Behalf Of Pollack, Richard J Sent: Friday, April 5, 2024 10:48 AM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> Subject: Re: [PestList] Fumigation Recommendations According to the views delivered from my contacts at EPA, nearly any substance that is used to kill, repel, or otherwise mitigate a pest may be considered to be a pesticide. This is particularly the case if the chemical is prepared elsewhere but is then transported and applied at another location. So, carbon dioxide (in bottled or frozen form) is definitely considered to be a pesticide if used for mitigating a pest. If it is used to put fizz in your soda, it is not a pesticide. In contrast, carbon monoxide generated as a product of combustion, even if used to mitigate a pest, is not considered a pesticide, as it is generated on site. According to this logic, argon, if used for the purposes of fumigation, would be a pesticide. I anticipate that EPA would require that the bottle of argon be labeled with a pesticide label and carry an EPA registration number. Don’t ask me to support the logic of this distinction. I’m just a messenger who has had too many conversations on this matter with folks from EPA and from several state agencies. -Rich Richard J. Pollack, PhD Senior Environmental Public Health Officer Environmental Health and Safety (EH&S) | Harvard Campus Services 46 Blackstone Street., Cambridge, MA 02139 C: 617-447-0763 www.ehs.harvard.edu<http://www.ehs.harvard.edu/> [A blue and black logo Description automatically generated]<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.linkedin.com_in_richard-2Dpollack-2D6818997_&d=DwMFaQ&c=WO-RGvefibhHBZq3fL85hQ&r=GO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE&m=X7Tvs6-avhqzHFtqMk2ivMX2CoHa2PskKwbdHfdCKRTNGJ6Kxoa0pox_pt999jaJ&s=ZKNyTwYnsE700NcxBAOYlPR_hubeX3jnGjOSaRDeDR4&e=> From: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> on behalf of ulisses mello <ume...@gmail.com<mailto:ume...@gmail.com>> Date: Friday, April 5, 2024 at 10:41 AM To: pestlist@googlegroups.com<mailto:pestlist@googlegroups.com> <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> Subject: Re: [PestList] Fumigation Recommendations Hello Patricia. Argon is not a pesticide. You may see as analog to heat, cold, gama rays... They are not pesticide, but kill bugs using different aproaches. On Fri, Apr 5, 2024, 9:01 AM Patricia Hottel <phot...@rentokil-terminix.com<mailto:phot...@rentokil-terminix.com>> wrote: Curious, is there a labeled Argon product for this use as a pesticide in the U.S? On Fri, Apr 5, 2024 at 8:55 AM ulisses mello <ume...@gmail.com<mailto:ume...@gmail.com>> wrote: Hello Lancey. We use argon gas for anoxic treatments. By far, the less invasive method. Feel free to contact me directly if you're interested. Ulisses Mello ume...@gmail.com<mailto:ume...@gmail.com> Em qua., 3 de abr. de 2024 às 14:24, 'lrestemyer' via MuseumPests <pestlist@googlegroups.com<mailto:pestlist@googlegroups.com>> escreveu: Hello, Does anyone have any fumigation recommendations? We have a large open-air taxidermy exhibit that has problems despite using preventative measures, so we unfortunately have to resort to fumigation on occasion. We are looking into changing our current fumigant for various reasons, so I was curious if anyone had any non-residual and non-oil-based aerosolized fumigation recommendations. Sincerely, Lacey Restemyer Houston Museum of Natural Science -- You received this message because you are subscribed to the Google Groups "MuseumPests" group. To unsubscribe from this group and stop receiving emails from it, send an email to pestlist+unsubscr...@googlegroups.com<mailto:pestlist+unsubscr...@googlegroups.com>. 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