Question 2 Three of the four answers below are a sign of a failed septic system. Select the exception. the need to have

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Question 2 Three of the four answers below are a sign of a failed septic system. Select the exception. the need to have it emptied sewage backing up into the home algal blooms in a nearby pond bad odors around the septic tank 999 Question 3 The Niagara Canal The canal turned hazardous waste disposal site, turned residential neighborhood, turned one of the first Superfund sites is known as The Love Canal The Hooker Chemical Canal 1 pts The Ontario Canal: 1 pts
Question 4 Select each of the following goals of the Resource Conservation and Recovery Act (RCRA). prevent contamination of future sites corrective action handling and disposal of hazardous wastes encourage recycling efforts Question 5 quaternary Encouraging bacteria to thrive by alternating oxygen and no oxygen zones to remove nutrients from the wastewater is considered phase of treatement. secondary tertiary 1 pts primary 1 pts
Question 6 What is the purpose of shining ultraviolet light on sewage water before it is released into a receiving stream? To scramble DNA of viruses and bacteria. To make it brighter. To add oxygen in the water. To remove chemicals from the water. Question 7 Place the steps of the water treatment process for drinking water purposes in the correct order. coagulation flocculation --- sedimentation filtration. .... www coagulation flocculation. *** www flocculation sedimentation --- www www sedimentation coagulation - --- filtration disinfection. --- disinfection filtration disinfection flocculation disinfection filtration t sedimentation coagulation www 1 pts www. 1 pts
What is the group of chemicals known as "the most toxic chemical produced by man" and responsible for many highly contaminated sites in the United States (i.e. Times Beach, MO)? OO PCBs DDT Lead Dioxin Question 9 Match each type of sewage treatment with the correct definition. Primary Secondary Tertiary 1 pts ✓ [Choose ] disinfection; use of UV light or chlorine to kill viruses and bacteria physical process; allow heavy items to settle and oils to float biological process; encourage growth of bacteria to remove nutrients [Choose]
Question 10 CERCLA, passed in 1980, was responsible for establishing. Superfund regulation of effluent discharges into lakes. Superfun Statefund Question 11 What is the name of the contaminated site that was one of the first sites listed on the National Priorities List (hint: located in Niagara, NY)? Love Canal Hooker Canal Panama Canal Hate Canal 1 pts 1 pts