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Environmental books
9 books found
Operators learn basic principles of automation, control instrumentation, and SCADA in water treatment and ...
Water operators face ever increasing challenges to balance a list of drinking water regulations with water quality controls. To manage disinfection and control disinfection byproducts, many utilities have turned to chloramination for secondary disinfection. Chloraminating systems however, are prone to “nitrification-related accelerated disinfectant residual loss” in high water-age ...
Disinfection is essential in the battle against waterborne disease; however disinfectants can also create unwanted by-products. These disinfection by-products or DBPs are a concern because they can potentially cause long term health issues. This creates a tough balancing act for utilities: protecting the public from waterborne disease while minimizing the occurrence and impact of DBPs. This ...
In 2005 the Environmental Protection Agency promulgated that all Hazard Communication materials must be in compliance with OSHA standard for Globally Harmonized System for Hazard Communication (HCS) by the end of 2013. This video informs water and wastewater professionals the correct methodologies required for identifying and labeling hazardous and toxic materials, and covers the use of ...
Water comes in many forms: groundwater, surface water, drinking water, wastewater, stormwater, or dual use and reuse. Some forms may need greater treatment than others, depending on where it is discharged or how it is used. This informative DVD provides a general wastewater overview that also discusses preliminary and primary treatment, and how solids are removed in order to protect downstream ...
The program will follow the standard “Safety First” format and present proper preparation techniques and safe use of the equipment. Viewers will learn how to prepare the equipment needed for work and the proper procedures for preventing and limiting exposure to potentially fatal injury. The program will cover: -Avoiding injury to water utility workers and contractors ...
Where does tap water come from? What happens to water after it goes down the drain? Why does water need to be cleaned before and after people use it? Kids learn all the answers in this entertaining video. Children watch how the earth recycles water using the hydrologic cycle. Easy-to-understand animation and live action brings the water cycle to life. Kids learn that we get our water from rivers, ...
The water storage system is a critical component in the multiple-barrier approach to safeguarding water supplies. Storage facilities have a significant effect on the quality of water that flows through the distribution system and on to the customer’s tap. Unfortunately, storing water can also lead to the degradation of a water supply. Excessive water age causes problems such as microbial ...
Handling water treatment chemicals can be an extremely hazardous job. It is important to know how to properly handle these chemicals. This video looks at some of the most common water treatment chemicals and discusses how they are stored, proper personal protective equipment, and emergency ...