Toxicity and hazard - Study guides, Class notes & Summaries

PADI Enriched Air Diver Exam |Question and Answer| 100% Correct what is the primary benefit of diving with enriched air? *Ans* it exposes you to less nitrogen when diving with enriched air nitro, for a given depth you should expect narcosis to be _______________ compared to diving with air. *Ans* the same as Advantaged of using a dive computer with enriched air nitro include that.... *Ans* it adds multilevel diving advantages for the longest no stop dive time, most models will warn you ...

Iowa Commercial Pesticide Applicator Category 1A Latest Update Graded A What is the greatest hazard when applying most herbicides? Injury to nontarget plants Name some herbicides which are very effective against germinating weeds but less effective on established weeds. Frontier, Lasso, and Dual What soil conditions reduce the activity of many herbicides and require increased rates for adequate weed control? Higher levels of soil organic matter or clay Two herbicides which are more active on ...

The purpose of the signal word on any pesticide label is to ■ a. inform users and handlers of the relative acute toxicity or hazard of the product ■ users the formulation type of pesticide product ■ c. specify on which crops the product is registered ■ d. specify the pest the product controls inform users and handlers of the relative acute toxicity or hazard of the product The precautionary statements section of the label contains information about the ■ a. application r...

Structural Pest Control Board Applicators Exam Study Questions with Complete Solutions What are the identifying features of a female black widow spider? Glossy black, globe-like abdomen with a deep red hour glass on her stomach. What are the identifying features of a black widow web? It is irregular with no distinct pattern and very strong in comparison to most other spiders. What does the term 'Ballooning' mean? When spiderlings (newly hatched spiders) climb to a high place,...

Identify the materials used for enclosure Drywall vinyl siding Plywood Paneling Caulk and sealant Hazards that exist in residential environments Lead dust Lead contaminated soil Peeling, chipping paint Folk remedies Describe how children are typically exposed to lead Hand to mouth activities Worker take home dust Identify the common routes of worker lead exposure Inhalation Ingestion Describe the basic health effects of lead to workers Stomachache Nause...

In North America, the U.N.'s Transportation of Dangerous Goods - Model Regulations is the basis of: - Answer the placarding, labeling, and marking system used to identify hazardous materials during transportation. Which marine vessels may serve as floating warehouses with hazardous goods, vehicles, or rail cars inside? - Answer Barges The three mechanisms or harm in a container hazardous materials incident are: - Answer energy release, corrosivity, and toxicity. In Step 4 of the ...

Pesticides - Answer- include herbicides, insecticides, fungicides, rodenticides, and many other substances used to kill, harm, or repel pests. General Use Pesticides - Answer- may be bought over the counter without a pesticide license. Restricted Use Pesticides (RUPs) - Answer- are a category of products that pose a higher risk to people, animals, or the environment. They can only be purchased by a person with a pesticide license; use requires supervision by a licensed applicator. Pestic...

Mechanical and Physical: excluding or trapping, physically removing, modifying the env so its not suitable, using cultivation to disrupt pest life cycles. Cultural: timing of planting, timing of irriagation, crop rotation Explain the importance of site-specific variables; pest, host, and natural enemy populations; and pest life stage in pest management planning. - ANSWER_? Explain the importance of evaluating pest management results. - ANSWER_to see if the level of control is adequate...

TCFP HAZMAT OPERATIONS/ AWARENESS EXAM | QUESTIONS AND VERIFIED ANSWERS| 2023/ 2024 NEW COMPLETE UPDATE 1. A dangerous cargo manifest may be located in the: ~ Answer: wheelhouse or bridge 2. Who is responsible for shipping papers when the mode of transportation is aircraft? ~ Answer: pilot 3. An air bill may be located in the: ~ Answer: cockpit 4. Who is responsible for care and control of a bill of lading? ~ Answer: driver 5. Who is responsible...

Falsifiable concentrates (EC or E) - Answer-Formulations made up of the technical material, solvents and emulsifiers. Some agitation is required. Once dry, pesticide residue is barley visible. Wettable Powder (WP) - Answer-These formulations are made by impregnating or coating an appropriate powder with the technical insecticide. Wettable Powders do not dissolve in water and frequent agitation is usually required. Heavy applications may leave visible deposits. Soluble Powders (SP) - Answer-...