INDICATOR INDIRECTLY INDICATING FOR FRESH WATER POLLUTION BY HOUSEHOLD-CONSUMER WASTE WATERS 1. ammonia 2. chlorides 3. nitrites 4. nitrates 5. sulphates
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- Which of the following is not a stage in purification of drinking water?a. filtration b. chlorination c. activated sludge d. sedimentationWhich of the following is not a stage in purifi cation of drinking water: a. fi ltration c. activated sludge b. chlorination d. sedimentationSource: http://www.hrrsa.org/tours/virtual-tour Questions refer to the treatment of the liquid waste water. How is the activated sludge removed? Why does the treatment facility add chlorine to the water? What is the purpose of aerating the water before it is released?
- What personal efforts can you and others commit to reduce the number of plastic bottles that end up in the landfill? Provide at least 2 examples of how to reduce your use of plastic bottles. Describe what leachate is and how it is formed. Be specific in the steps of how it forms. What are the potential health issues of leachate? How could that affect persons living closest to the landfill?math coloumn a to coloumn b coloumn a coloumn b 6. All drinking water service providers’ water samples must be tested for themandatory core parameters for water quality.7. Secondary parameters for water quality are for determining the presence ofchemical impurities that are directly causing water-borne acute and chronicdiseases.8. If water samples of the Baguio water district are positive for thermotolerantcoliform and with> 1.5 mg/L residual chlorine, the LGU must monitor the watersupply for 7 days.9. The accreditation of water testing laboratories is valid for one year.10. Water analysis test result forms may contain an interpretation of the result withstated reference. a. true b. falseLeachate production is what
- Discuss the different methods of water analysis to determine pollution.The table below shows the water quality results of palm oil mill effluent (POME)which you have analyzed in your laboratory. You are given a task to proposemitigation options for the palm oil mill after interpreting the findings. Interpretthe characteristics of POME and its potential effect on the aquatic system to helpyou in designing the mitigation options. Parameters Value Department of Environment (DOE) Limit pH 3.4 - 4.8 5 - 9 Biochemical Oxygen Demand (BOD) (mg/L) 25,000 - 43,750 100 Chemical Oxygen Demand (COD) (mg/L) 80,000 - 100,000 100 Oil and Grease (mg/L) 4,000 - 5,000 10match coloumn a to coloumn b coloumn a coloumn b 16. Secondary parameters for water quality are for determining the efficiency ofthe water treatment process.17. In case of an emergency water problem in the La Trinidad water district, theBaguio City Hall must provide a temporary supply for 72 hours.18. To realize the sustainable development goal target 6.1.1, only laboratoriesaccredited by the DOH shall perform drinking water quality examinations.19. A water testing laboratory performing bacteriologic and chemical analysismust have at least six laboratory personnel.20. A water analysis laboratory was sold to another management last August 1,2021. The new management must notify DOH in writing this substantial changeon or before August 15, 2021. a. true b. false
- Prior to better regulatory control of metal release into domesticwastewater systems, crown corrosion of sewer tiles was less ofa problem. Why?Describe, in order, the 6 steps of cleaning drinking water (filtration, flocculation, corrosion inhibitor, coagulation, chlorination, and sedimentation).Discuss briefly the following:(a) Radioactive wastes(b) Defunct ships and e-wastes(c) Municipal solid wastes
