Chlorinated hydrocarbons - Study guides, Class notes & Summaries

Vector Control Questions and Answers Rated A+ Vector control can be divided into: Chemical involving natural or synthetic chemicals as control agents Non-chemical including natural control methods, that focuses on biological, microbial, cultural, physical, mechanical, or legislative method to control vectors. Chemical Control Inorganic: -insecticides—lead arsenate; fungicides—mercuric chloride; rodenticides—zinc phosphide Organic -natural—botanicals: pyrethrins, roteno...

Category 3A+3B Pesticide Exam (New Jersey Category 3A+3B) Questions and Verified Answers. Acute Toxicity refers to toxicity from a one time exposure to a pesticide Chronic Toxicity refers to toxicity from many small exposures to a pesticide The Term LD50 refers to the level of toxicity where 50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of a nerve poison with symptoms similar to chlorinated hydrocarbons Chronic Toxicity tests are conducted to determine...

Category 3A+3B Pesticide Exam Actual Set Questions & Revised Correct Answers Acute Toxicity refers to toxicity from - ANSWER : a one time exposure to a pesticide Chronic Toxicity refers to toxicity from - ANSWER : many small exposures to a pesticide The Term LD50 refers to the level of toxicity where - ANSWER : 50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of - ANSWER : a nerve poison with symptoms similar to chlorinated hydrocarbons Chron...

Power Engineering 4a - Unit 8 – Electro technology Questions and Answers Graded A+ When using Fleming's Left Hand Rule, the index finger represents A) generator action flux direction. B) motor action motion direction. C) generator conductor motion direction. D) motor action flux direction. E) motor action direction of current flow. D A basic law of electricity is, unlike charges attract each other and like charges A) impact each other. B) hold each other. C) attract each oth...

Category 3A+3B Pesticide UPDATED Exam Questions and CORRECT Answers Acute Toxicity refers to toxicity from - CORRECT ANSWER- a one time exposure to a pesticide Chronic Toxicity refers to toxicity from - CORRECT ANSWER- many small exposures to a pesticide The Term LD50 refers to the level of toxicity where - CORRECT ANSWER- 50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of - CORRECT ANSWER- a nerve poison with symptoms similar to chlorinated hydrocarb...

Pool Operator's Final Exam Questions with Verified Answers The percentage of hypoclorous acid formation is most influenced by: pH Pool painting is usually done: Before opening in the spring When a pool is chlorinated with gas chlorine, the operator must also use: Soda Ash The term "chlorine demand" refers to: The amount of chlorine which will react with substances in the pool Re-circulation pumps used in swimming pools are the type called: Centrifugal pumps Reversing the...

CIH Flashcards Questions and Answers 100% Verified 2023 Organochlorides Chlorinated hydrocarbons DDT, Chlorodane, Aldrin, Kepone Stored in body fat, non-polar, lipid soluble Hepatotoxic, nephrotoxic, neurotoxic Aliphatic Hydrocarbons Opposite of aromatics (no benzene, open chain) Gases C1-C4, Liquids C5-C16, Solids >C16 Halogenated Hydrocarbons Carbon Tetrachloride - potent hepatotoxin, Methylene Chloride - metabolizes into CO Cotton Dust Causes Byssiosis or brow...

Category 3A+3B Pesticide Exam (New Jersey Category 3A+3B) Questions and Verified Answers. Acute Toxicity refers to toxicity from a one time exposure to a pesticide Chronic Toxicity refers to toxicity from many small exposures to a pesticide The Term LD50 refers to the level of toxicity where 50% mortality is observed Pyrethroid pesticides exert their toxicity in the form of a nerve poison with symptoms similar to chlorinated hydrocarbons Chronic Toxicity tests are conducted to determine...

Pest correct answers a plant or animal detrimental to man; seen as insects, disease causing organisms, weeds, molluscs, fish, birds, and a variety of mammals from rats to bears as competitors for our livestock and crops. earliest use of chemical pesticide correct answers 2500 B.C.; used sulfur to control insects and mites Bordeaux mixture correct answers mixture of CuSO4 and lime used to prevent downy mildew on grapes; first used in 1892 synthetic pesticides correct answers started bein...

Corn rootworm life cycle - Corn Rootworm Damage - Corn rootworm variant biotypes -Corn rootworm - corn rootworm adult/beetle - Insecticides - ANSWER-- chlorinated hydrocarbons (DDTs) - organophospahtes (malathion) - Carbamates (carbaryl) - Pyrethrum (Natural Botanical) - Pyrethroids - Neonicotinoids Organophosphates - ANSWER-toxicity: low to very high Persistence: generally low - cholinesterase inhibitor malathion= low tox & persistence Chlorinated hydrocarbons - ANSWER-DDT banned ...