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metolachlor(Dual)Herbicide Profile 2/85 Page 3 of 5 <br /> factor in metolachlor dissipation. <br /> 114W vaer <br /> Although the soil half-life is dependent on soil type and <br /> environmental conditions, no buildup following repeated annual <br /> applications of metolachlor is expected. <br /> Also, the duration of biological activity is dependent on soil and <br /> environmental factors; however all biological evidence indicates that <br /> metolachlor does not persist from one season to the next in sufficient <br /> quantity to injure sensitive crops when applied at recommended rates <br /> (54) . <br /> Approximate Residual Period: The half-life dissipation rate for <br /> metolachlor has been determined from laboratory and field studies. In <br /> northern areas it is 30-50 days and 15-25 days in southern areas (54) . <br /> V. EMERGENCY AND FIRST AID PROCEDURES <br /> r <br /> The chemical information provided below has been condensed <br /> from original source documents, primarily from "Recognition and <br /> Management of Pesticide Poisonings", 3rd ed. by Donald P. Morgan, <br /> which have been footnoted. This information has been provided in <br /> this form for your convenience and general guidance only. In <br /> specific cases, further consultation and reference may be required <br /> and is recommended. This information is not intended as a sub- <br /> stitute for a more exhaustive review of the literature nor for the <br /> ` judgement of a physician or other trained professional. <br /> If poisoning is suspected, do not wait for symptoms to develop. <br /> Contact a physician, the nearest hospital, or the nearest Poison <br /> Control Center. <br /> KNOWN OR SUSPECTED ADVERSE EFFECTS: Moderately irritating to skin <br /> and eyes (25) . <br /> SKIN CONTACT: Wash contaminated skin with soap and water (25) . <br /> INGESTION: Ingestions of small amounts (less than 10 mg/kg <br /> body weight) occurring less than an hour before treatment are probably <br /> best treated by: Syrup of Ipecac, followed by 1-2 glasses of water. <br /> Dose for adults and children over 12 years: 30 ml. Dose for children <br /> under 12 years: 15 ml (25) . <br /> INHALATION: Remove from contaminated atmosphere. If symptoms <br /> appear or person is unconscious, get medical attention (Dual 8E) (24h) . <br /> EYE CONTACT: Flush contaminated eyes with copious amounts of <br /> fresh water for 15 minutes (25) . <br /> NOTES TO PHYSICIAN: <br /> INGESTIONS of LARGE amounts (more than 10 mg/kg)g/ g) occurring less than an <br /> hour before treatment, should probably be treated by gastric lavage: <br /> A. INTUBATE stomach and ASPIRATE contents. <br /> B. LAVAGE stomach with slurry of ACTIVATED CHARCOAL in 0.9% saline. <br /> .. Leave 30-50 gm activated charcoal in the stomach before <br /> withdrawing tube. <br /> C. SODIUM SULFATE, 0.25 gm/kg in tap water, as a cathartic. <br /> CAUTION: Hydrocarbons (kerosene, petroleum distillates) are <br /> included in some formulations of these chemicals. <br /> Ingestion of very LARGE AMOUNTS may cause CNS <br /> depression. In this case, IPECAC IS CONTRAINDICATED. <br /> Also, gastric intubation incurs a risk of HYDROCARBON <br /> ` PNEUMONITIS. For this reason observe the following <br /> precautions: <br /> (1) If the victim is unconscious or obtunded and <br /> facilities are at hand, insert an ENDOTRACHEAL TUBE <br /> (cuffed, if available) prior to gastric intubation. <br /> ` (2) Keep victim's HEAD BELOW LEVEL OF STOMACH during <br /> intubation and lavage (Trendelenburg, or left <br /> lateral decubitus, with head of table tipped <br /> downward) . Keep victim's head turned to the left. <br /> 'r (3) ASPIRATE PHARYNX as regularly as possible to remove <br /> gagged or vomited stomach contents. <br /> http://pmep.cce.comell.edu/profiles/herb-growthreg/fatty-alcohol-monuron/metolac.../herb-prof-metolachlor.htm 10/30/2003 <br />