Panjiva uses over 30 international data sources to help you find qualified vendors of metam sodium. Flammable gases are generated by the combination of thiocarbamates and dithiocarbamates with aldehydes, nitrides, and hydrides. You may need a pdf reader to view some of the files on this page. Mb methyl bromide, cp chloropicrin, 1,3d 1,3dichloropropene, ms metam sodium, utc untreated control fresh market tomatoesfl florida is the largest producer of fresh market tomatoes in the us with approximately 16,800 ha harvested in 2004. Acute metam sodium poisoning caused by occupational. Effects of fumigation with metamsodium on soil microbial. Soil pathogen levels detected 10 months after soil fumigation. Currently, most metam sodium, metam potassium and mitc products are not restricted use but will be as a result of the reregistration decision. How to merge pdfs and combine pdf files adobe acrobat dc. Validated by experts, validated by users, nonvalidated, removed by. L 7858 actwet 361947 a soil fumigant for the control of certain soil fungi, nematodes and germinating weed seeds in agricultural and horticultural soils, seedbeds and planting media as indicated.
Epa, pesticide product label, metam sodium, 12211998. Metam sodium and metam potassium are used on a wide range of pests, including fungi, plants, insects, and nematodes. Soil analyses for 1,3dichloropropene 1,3dcp, sodium n. Metam sodium, metam potassium, and mitc do not require food tolerances. Papiernikc, joe nunezd adepartment of environmental sciences, university of california, riverside, ca 92521, usa busdaars, soil physics and pesticides research unit, george e. Efficacy of metam sodium under drip and surface spray. Indicates no available weightoftheevidence summary assessment. Metam sodium is an organic sodium salt and an organosulfur insecticide. Effects of dazomet, metam sodium, and oxamyl on longidorus.
You can merge pdfs or a mix of pdf documents and other files. Metam sodium kills beneficial soil fungi and soil bacteria that cycle nitrogen, an important nutrient. Click, drag, and drop to reorder files or press delete to remove any content you dont want. Atmospheric environment 40 2006 70467056 conversion of metam sodium and emission of fumigant from soil columns wei zhenga,b, scott r. Conversion of metam sodium and emission of fumigant from. For additional information on toxicity from scientific journals or registration documents, see the additional resources for toxicity. The impact of ms on soil microbial community structure and function is largely unknown. Perhaps more interesting is the observation that levels of v. Metamsodium c2h4nnas2 cid 5366415 structure, chemical names. A spill of 19,000 gallons of metam sodium into the sacramento river in. Marketed by ici americas vapam, hasp metamfluid, amvac, and a host of others, metam sodium is used to sterilize soil.
Expressed another way, about 40% of the total us value of. Effect of soil temperature, injection depth, and metam. Metamsodium and metampotassium are converted to mitc in the environment, particularly in the presence of moisture such as in soil after application. Metam sodium manufacturers suppliers of metam sodium. Weed and disease suppression including control of annual bluegrass, chickweed, ragweed, nutgrass, morning glory. Hmeta510slam universal metamsodium 510sl material safety data sheet page 4 of 5 bound. Metam sodium is the sodium salt of methyl dithiocarbamate metam sodium can be prepared from methylamine, carbon. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. Thiocarbamates and dithiocarbamates are incompatible with acids, peroxides, and acid halides. Environmental fate ecotoxicology human health a to z index home. Ground water is the only source of drinking water at fort hall, and the purpose of the investigation was to determine potential risk of groundwater contamination from persistence and movement of these pesticides in cropland soils. End use products are formulated as 1842% aqueous solutions sold under the trade names of metam clr, vapam, and sectagon. Pdf short term effects of soil disinfection with metham.
Metam sodium is the third most commonly used agricultural pesticide by weight in the u. Millions of fish were killed by a metam sodium spill in california. Oehha is subject to the california public records act and other laws that require the release of certain information upon request. If you submit this form, please be aware that your name and email may be provided to third parties. Metam is a member of the class of dithiocarbamic acids that is dithiocarbamic acid in which a hydrogen attached to the amino group has been replaced by a methyl group. Fumigation of soil with metam sodium was discovered in 1950 and table 1. Effect of application method, soil temperature and rate of. Effect of soil temperature, injection depth, and metam sodium rate on the management of verticillium wilt of potato j. Respiratory effects of metam sodium exposure have been shown to persist for up to months after the initial acute poisoning 8.
However, the information about how fumigation with ms affects the soil microbial community is still limited. Metam sodium ms is a widely used soil fumigant with broad biocidal activity. Dazomet, metam sodium, and oxamyl were evaluated for nematode control and production of loblolly pine seedlings in a field infested by a longidorus sp. Metam sodium is an organosulfur compound formally a dithiocarbamate, which is used as a. Low levels of metam sodium cause malformations in fish. Click add files and select the files you want to include in your pdf. What links here related changes upload file special pages permanent link page. As an agricultural soil fumigant, it is currently labeled for use on most food, feed, and fiber crops. Rearrange individual pages or entire files in the desired order. Metam sodium and metam potassium fumigant safe handling.
We investigated the effects of fumigation with fieldrelevant doses of ms in soil microcosms using traditional heterotrophic activity measures c and n mineralization, a. Marketed by ici americas vapam, hasp metam fluid, amvac, and a host of others, metam sodium is used to sterilize soil. It will decompose upon dilution to carbon disulfide, monomethylamine. Metamsodium ms is widely used as a soil preplant fumigant as methyl bromide is phased out of agriculture. It is one of the most widely used pesticides in the united states, with approximately 60 million pounds used in 2001. Metam sodium is an organosulfur compound formally a dithiocarbamate, which is used as a soil fumigant, pesticide, herbicide, and fungicide. Journal of environmental quality abstract effects of. In 2002, after a soilincorporated application of metam sodium, a community outbreak of acute ocular and respiratory illnesses occurred in arvin, california 7. Metam sodium compounds, weed, killing, liquid appears as a yellow to light yellowgreen solution with an odor of amine and sulfur that varies in intensity. Metam sodium and metam potassium fumigant safe handling guide. It has a role as a proherbicide, a proinsecticide, a profungicide and a pronematicide.
Safety data sheet preparation date 01092015 revision date 07142015 revision number 3. Metam sodium causes birth defects and fetal death, and is a mutagen. A multiaction crop protection agent used as a preplanting soil sterilant example pests controlled. Do not contaminate water, food or feed by storage or disposal.
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