Groundwater conditions - Study guides, Class notes & Summaries

A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure. (True or False) True The use of temperature or humidity manipulation is a ____________ control method for insects. physical Drift problems can be reduced by __________ placing a boom as close to the target as possible Which is a concern when handling an emulsifiable concentrate pesticide? a. visible plant residues b. may be easily absorbed through human and animal skin c. easily c...

A key to minimize the hazards of pesticide use to the applicator is to avoid exposure. (True or False) True The use of temperature or amazing manipulation is a _______ control method for insects. A) biological B) legal C) physical C) physical Drift problems can be reduced by: A) using lower pressure, smaller nozzle orifices B) applying in very calm, stable air conditions C) placing a boom as close to the target as possible C) placing a boom as close to the targ...

Ammonia mixed with chlorine gas creates a white smoke The most difficult part of a water distribution operator's job. furnish a continuous supply Physical connection between a safe and potentially unsafe water source. cross connection A distribution system is a looped system Dead end mains should be flushed every month Excess nitrate causes a condition called blue baby syndrome Water hardness is caused by calcium and magnesium Sewer mains should be __ft away from water mains. 9 Class C ...

Define IPM - 1. a pest population management system that anticipates and prevents pests from causing damage. 2. an ecological approach to pest control. Components of IPM - 1. Pest identification 2. Monitoring 3. Use of natural enemies (biological control) 4. Pest-resistant plants 5. Cultural and structural changes 6. Judicious use of least toxic pesticides Intent of IPM - To use tactics that include pesticide alternatives that reduce the total amount of pesticide chemicals used thereby...

If you are mixing a product that has a Section 18 emergency exemption in addition to the label on the product, what do you use for instructions on how to mix the product? - Section 18 label The presence of sandy soil and a high water table _______ the potential risk of groundwater contamination. - increases What should you do to contain a small pesticide spill? A. Surround the spill with containment snakes or pillows. B. Hose down the spill to dilute it. C. Ignore it and continue workin...

REHS Exam Ch.1- Water Questions with Accurate Answers 2024 Which of the following soil conditions is the most favorable for removal of viruses? Fine loamy sand over course sand & gravel Which of the following organisms are most resistant to unfavorable env. conditions & indicates past or possibly intermittent pollution? Clostridium sporulates Which of the following wells is considered the most dependable source of water & is less likely to become contaminated? Drilled wells ...

ICC Soils Certification Exam Real Test Questions With Verified Answers well-graded, clean gravels; gravel-sand mixes - ANSWER GW Poorly graded clean gravels; gravel-sand mixes - ANSWER GP silty gravels; poorly graded gravel-sand mixes - ANSWER GM Clayey gravels; poorly graded gravel-and-clay mixes - ANSWER GC well graded clean sands; gravel-sand mixes - ANSWER SW poorly graded clean sand; sand-gravel mixes - ANSWER SP Silty sands; poorly graded sand-silt mixes - ANSWER SM Sand-silt cl...

Lesson Description This lesson, Excavations, discusses OSHA's guidelines for excavation work including factors to consider before preparing excavation bids such as area traffic flow, nearby activity, surface and groundwater, height of water table, weather, and nearby utility installations. All of these greatly affect the potential for excavation-related injuries like cave-ins. Cave-ins pose the greatest danger to all excavation workers. Therefore, OSHA requires that workers susceptible to cave...

Water balance correct answers Balance between inputs (precipitation) and outputs (run-off, evapotranspiration, soil and groundwater storage) in a drainage basin Potential evapotranspiration correct answers PET Amount of water that could be evapotranspired from an area if sufficient water available UK soil water budget graph correct answers Surplus Utilisation Deficit Recharge Surplus (UK soil water budget graph) correct answers Precipitation > PET Soil saturated Groundwater rec...

ICC Soils Certification Exam Real Test Questions With Verified Answers well-graded, clean gravels; gravel-sand mixes - ANSWER GW Poorly graded clean gravels; gravel-sand mixes - ANSWER GP silty gravels; poorly graded gravel-sand mixes - ANSWER GM Clayey gravels; poorly graded gravel-and-clay mixes - ANSWER GC well graded clean sands; gravel-sand mixes - ANSWER SW poorly graded clean sand; sand-gravel mixes - ANSWER SP Silty sands; poorly graded sand-silt mixes - ANSWER SM Sand-silt cl...