Acute metam sodium poisoning caused by occupational exposure. A minimum of 12 hours have elapsed from the time the. Metam sodium and metam potassium fumigant safe handling. Pdf effect of soil temperature, injection depth, and metam. Metamsodium c2h4nnas2 cid 5366415 structure, chemical names, physical and.
Effect of application method, soil temperature and rate of. Metam disinfettante del suolo per il controllo di nematodi, erbe infestanti funghi e insetti. 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of the class of dithiocarbamic acids that is dithiocarbamic acid in which a hydrogen attached to the amino group has been replaced by a methyl group. Effect of soil temperature, injection depth, and metam. All metam sodiummetam potassium applications shall comply with the. It is a broadspectrum soil fumigant that can be used to control plant parasitic nematodes, weeds. Acute health effects of metam sodium exposure have been rarely described. Pesticide properties for metamsodium, including approvals, environmental fate, ecotoxicity and human health issues. Metam sodium, metam potassium, and mitc do not require food tolerances. Pdf short term effects of soil disinfection with metham. Short term effects of soil disinfection with metham sodium and organic alternatives on nematode communities.
Conversion to units of local concentration produced critical noel. Perhaps more interesting is the observation that levels of v. Pdf verticillium wilt, caused by verticillium dahliae kleb. Papiernikc, joe nunezd adepartment of environmental sciences, university of california, riverside, ca 92521, usa busdaars, soil physics and pesticides research unit, george e. Metam sodium and metam potassium have soil fumigant and antimicrobial uses, metam sodium is also used as a root. Metam sodium is the most widely used soil fumigant, and the third most widely used pesticide in u. Metilamina wikipedia, a enciclopedia libre galipedia. Metam sodium is an organosulfur compound formally a dithiocarbamate, which is used as a soil fumigant, pesticide, herbicide, and fungicide. Epa, pesticide product label, metam sodium, 12211998. Soil analyses for 1,3dichloropropene 1,3 dcp, sodium nmethyldithiocarbamate metamsodium, and their degradation products near fort hall, idaho, september 1999 through march 2000 by d. Metam sodium sodium nmethyldithiocarbamate is a fumigant used primarily in agriculture as.
Effect of soil temperature, injection depth, and metam sodium rate. Metam sodium and metam potassium fumigant management plan template phase 2 pdf 9 pp, 106 k metam sodium and metam potassium postapplication summary template phase 2 pdf. Both metam sodium and dazomet convert efficiently to mitc in moist soils with. Metam sodium and metam potassium are converted to mitc in the environment, particularly in the presence of moisture such as in soil after application. You may need a pdf reader to view some of the files on this page.
Soil analyses for 1,3dichloropropene 1,3dcp, sodium n. Metam sodium metam potassium kern county permit conditions effective 12015 all application methods 1. Half of its use is in potato production, and 0 percent of its use is in idaho, washington, oregon, and california. Nota preparato commerciale riregistrato provvisoriamente. Candidate for listing via the authoritative bodies mechanism found not to meet the listing criteria. Metamsodium is an agricultural general use pesticide used primarily as a broad spectrum preplant soil fumigant to control weeds, weed seeds, fungi, nematodes, and soil insects.
Metamsodium is an agricultural general use pesticide used primarily as a. L 7858 actwet 361947 a soil fumigant for the control of certain soil fungi, nematodes and germinating weed seeds in agricultural and horticultural soils. A uganda ministry of internal affairs analytical laboratory conducted toxicology testing using triple liquid chromatography mass spectrometry in the recently calibrated triple quadrupole liquid chromatograph mass spectrometer 2 for traces of metam sodium or methyl isothiocyanate a metam sodium degradation product in the blood of nine. Conversion of metam sodium and emission of fumigant from. Brown jr salinity laboratory, riverside, ca 92507, usa. Effect of soil temperature, injection depth, and metam sodium rate on the management of verticillium wilt of potato j. Currently, most metam sodium, metam potassium and mitc products are not restricted use but will be as a result of the reregistration decision. Acute metam sodium poisoning caused by occupational. Metam sodium is the third most commonly used agricultural pesticide by weight in the u. The primary breakdown product of metam sodium in soil is methyl isothiocyanate mitc, an active pesticidal agent with a high toxicity and a great potential for. Metam sodiumpotassium safety information for handlers pdf. Metam sodium and metam potassium fumigant safe handling guide. A spill of 19,000 gallons of metam sodium into the sacramento river in 1991 clearly demonstrated that a. O clorhidrato incoloro podese converter en amina por adicion dunha base forte, como.
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