It has a role as a proherbicide, a proinsecticide, a profungicide and a pronematicide. I office of prevention, pesticides and toxic substances epa reg. 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. Oehha is subject to the california public records act and other laws that require the release of certain information upon request. Metam sodium and metam potassium fumigant safe handling guide. Annual use of metam sodium ranges from 5155 million pounds and for metam sodium ranges from 12 million pounds. Identification of the substancepreparation and of the companyundertaking product identifier. Conversion of metam sodium and emission of fumigant from soil columns wei zhenga,b, scott r. Effect of soil temperature, injection depth, and rate of. Metam sodium manufacturers suppliers of metam sodium. Metam sodium and metam potassium fumigant management plan template phase 2 pdf. Effect of soil temperature, injection depth, and metam sodium rate on the management of verticillium wilt of potato j. Conversion of metam sodium and emission of fumigant from. 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 and metam potassium fumigant management plan template phase 2 pdf 9 pp, 106 k. Metam sodium sodium nmethyldithiocarbamate, a liquid dithiocarbamate, is widely used as a soil fumigant, pesticide, herbicide, and fungicide in agricultural practices 3, with relatively low acute toxicity 4. Stability and reactivity chemical stability conditions to avoid. Conversion of metam sodium and emission of fumigant from soil. Metamsodium and metam potassium have soil fumigant and antimicrobial uses, metamsodium is also used as a root. You may need a pdf reader to view some of the files on this page.
Metamsodium is an organic sodium salt and an organosulfur insecticide. Pdf short term effects of soil disinfection with metham. Atmospheric environment 40 2006 70467056 conversion of metam sodium and emission of fumigant from soil columns wei zhenga,b, scott r. 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 is the third most commonly used agricultural pesticide by weight in the u. If you submit this form, please be aware that your name and email may be provided to third parties. Hmeta510slam universal vapam material safety data sheet page 4 of 5 halflife of 23 minutes. Metam clr 42% metam clr 42% booklet120412av 21069626. 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 multiaction crop protection agent used as a preplanting soil sterilant example pests controlled. Brown jr salinity laboratory, riverside, ca 92507, usa. Informacion sobre propiedades fisicas y quimicas basicas estado fisico.
Metam sodium and metam potassium fumigant management plan. Formula 1 metam sodio 42% sa mercenario 42 ls, taminco. Metam sodium and metam potassium fumigant management. Currently, most metam sodium, metam potassium and mitc products are not restricted use but will be as a result of the reregistration decision. Metam 426 vapam soil fumigant vapam hl soil fuinigant your submissions dated september 24, 1998 dear mr.
Metam sodium also has a few urban uses, including root control in sewer lines and treatment of utility poles. Identification of the substancepreparation and of the companyundertaking product identifier product name metam klr 54% other means of identification product code 51144 unno un3267 synonyms potassium methyldithiocarbamate. It is one of the most widely used pesticides in the united states, with approximately 60 million pounds used in 2001. Metam sodium and metam potassium fumigant safe handling guide safety information for handlers developed by pesticide registrants and approved by epa. Weed and disease suppression including control of annual bluegrass, chickweed, ragweed, nutgrass, morning glory. Acute metam sodium poisoning caused by occupational exposure. Metam sodium is an organosulfur compound formally a dithiocarbamate, which is used as a soil fumigant, pesticide, herbicide, and fungicide. A multiaction crop protection agent used as a preplanting soil sterilant. Ficha tecnica metam sodio fumigante del suelo solucion acuosa composicion porcentual. It is one of the most widely used pesticides in the united.
Environmental fate ecotoxicology human health a to z index home. Soil analyses for 1,3dichloropropene 1,3dcp, sodium n. End use products are formulated as 1842% aqueous solutions sold under the trade names of metam clr, vapam, and sectagon. 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. Flammable gases are generated by the combination of thiocarbamates and dithiocarbamates with aldehydes, nitrides, and hydrides. Metamsodium and metampotassium are converted to mitc in the environment, particularly in the presence of moisture such as in soil after application. 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. Thiocarbamates and dithiocarbamates are incompatible with acids, peroxides, and acid halides. Safety data sheet preparation date 01092015 revision date 07142015 revision number 3. Respiratory effects of metam sodium exposure have been shown to persist for up to months after the initial acute poisoning 8. Toxicocinetica metam sodio e rapidamente absorvido e distribuido, sendo. Fmp phase 2 templates in pdf format which include sample filled out postapplication summary reports and samples. Epa, pesticide product label, metam sodium, 12211998. A spill of 19,000 gallons of metam sodium into the sacramento river in 1991 clearly demonstrated that a.
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. Expressed another way, about 40% of the total us value of. Metam sodium decomposes, when diluted with water, to methyl isothiocyanate mitc, a lachrymator and moderate poison andor to hydrogen sulfide a highly poisonous gas. 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. Marketed by ici americas vapam, hasp metamfluid, amvac, and a host of others, metam sodium is used to sterilize soil. Metam sodium and metam potassium fumigant safe handling. Metam sodium causes birth defects and fetal death, and is a mutagen. Acute metam sodium poisoning caused by occupational. 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. If you submit this form, please be aware that your name and email may be.
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