Headworks is the beginning, or head, of a treatment plant where influent flow is measured and sampled and where preliminary treatment occurs. Indigo water group, a water and wastewater operator trainer in colorado, has created a playlist of videos in which their owner works common water and wastewater math problems. Our online math courses present math that water and wastewater operators use on the job and help students develop a clear understanding of how to perform everyday operator math calculations. Get educationtraining articles, news and videos right in your inbox. At the time of this writing, the other videos in the playlist covered unit conversions, geometry, dosing, reducing mlss concentrations, velocity and hrt, and digester problems.
Dec 14, 2015 on this page you can read or download n2 water and wastewater treatment practice pdf in pdf format. The grade 3 exam is known as a difficult exam for both the experienced and less experienced. A guide to understanding the treatment of oily wastewater, fam 8008, afl industries inc water environment federation, operation or municipal wastewater treatment plants, fifth edition, 1996, volumes 1,2, and 3. Wastewater treatment plant operator examinations grade 1 study guide outline the following is a general outline to serve as a study guide in preparing for the grade 1 examination. Mar 26, 2012 this question comes from the california wastewater grade 2 certification exam sample questions that can be found here. Topics include an overview of basic math for wastewater treatment. The following is a general outline to serve as a study guide in preparing for the grade 2 examination. Wastewater math is a significantly stressful topic for many operators who are preparing for an exam. Math workbook for wastewater operators minnesota pollution.
Mathematics manual for water and wastewater treatment plant. Exam course descriptions california wastewater training. The secret to wastewater math treatment plant operator. Before going through the study guides, idem recommends you first start with the materials on the wastewater operator certification exam book list. Each grit basin is 3 feet wide by 10 feet long and has 2 feet of water in it. A town of 2500 has wastewater pond feet long and 2000 feet wide, what is the population loading on this pond. Certification program and policies immediately after completion of the computerbased test, a preliminary score and result will be given. What is the volume of a tank in gallons if it is 12 feet deep and has a diameter of 30 feet. Wastewater math concepts book 2 intermediate level problems table of contents page flow problems 1 grit channel problems 4 sedimentation basin, tank, and clarifier problems detention time 10 surface loading rate 12 weir overflow rate 15 solids loading 18 trickling filter problems.
Study guide new 2 nd edition environmental compliance inspector grade i 2nd edition. Pdf mathematics manual for water and wastewater treatment. Laboratory analyst grade i certification examination study. Any guidance towards picking a good practice exams and workbooks would be greatly appreciated. Based on our experience in both doing and teaching wastewater math, mistakes are often made when you. Wastewater math flashcards flashcard machine create. In an effort to streamline the certification exam process idem has combined all necessary formulas to one formula sheet doc. In addition, the grade ii examination includes questions on secondary unit processes e. This math study text is designed to help wastewater operators improve their math skills, pass certification exams, perform their jobs better, and advance their careers. The courses are delivered in a modular format, so students can customize their learning experience by selecting course topics that. All areas may not be covered on any one exam, nor does the outline necessarily include all topics, which may appear on an exam. A manhole is a structure that provides access to a collection. Lift stations are located within a collection system.
And now that you have an exam staring you in the face, its time to brush the dust off your thinking cap and remember exactly what those skills were and. The guide provides examples of a variety of different problems that will be encountered both on grades 3. How many hours will it take to fill each tank above if the flow entering them is 1. The guide provides examples of a variety of different problems that will be encountered both on grades 1 and 2 certification exams and on the job. Study guides for the wastewater operator certification. Water systems unit, students learn about earths water systems. Are you taking the water distribution operator certification exam. Looking for ca grade 12 wastewater treatment operators math resources for exam. The course also prepares the grade i or ii wastewater treatment plant operator to solve wastewater math problems typically found on the state of california grade iii certification exam. This 37page study guide contains 82 intermediate water math questions. This question comes from the california wastewater grade 2 certification exam sample questions that can be found here. It contains thorough and engaging notes via powerpoint with guided notes for the students. A wastewater plant has four grit basins in parallel.
Mathematics manual for water and wastewater treatment plant operators. Grade iii ocmr course wastewater technology trainers. The focus of this career webquest is on the science career water. Basic general wastewater study guide august 2015 edition revised june 2016. In my years as a wastewater operator trainer, i find that math is by far the most anxietyproducing topic for those preparing to take certification exams. Jacob marvin gnagy randy fabrizio pat antonelli operator training committee of ohio, inc. Grade ii collection system maintenance page 3 section 2. A lift station is an underground chamber with pumps that is used to elevate lift wastewater to a higher grade. North carolina physical chemical wastewater treatment. North carolina physical chemical wastewater treatment plant.
Solutions to the problems are provided at the end of the document. Based on our experience in both doing and teaching wastewater math, mistakes are often. The exception is an hour long video devoted to wastewater math. The guide provides examples of a variety of different problems that will be encountered both on grades 3 and 4 certification exams and on the job. Questions may deal with sludge handling and evaluation of wastewater unit processes as well as overall plant performance. Included after each grade level are tests to help you determine where your strengths or weaknesses are. It also contains an assessment on the wastewater treatment process as well as a modified version for your iep students. The main function of algae in a facultative wastewater treatment pond is. The course was created to ensure each student understands relevant math concepts, and is able to solve all the math questions on the operator exam.
The intent of this workbook is to give you a chance to practice some wastewaterrelated problems and to build your confidence. In mathematics manual for waterwastewater treatment plant operators, we. Before going through the study guides, idem recommends you first start with the materials on the wastewater operator certification exam book list in an effort to streamline the certification exam process idem has combined all necessary formulas to one formula sheet doc. Applied wastewater math formula sheet and conversion factors 12 in 1 ft 27 cu ft 1 cu yd 1,000 mg 1 gm 60 sec 1 min 3 ft 1yd 7.
Basic general wastewater study guide august 2015 edition revised june 2016 page 3 of 79 printed on 011217. Appendices contain conversion factors, wastewater treatment equations, chemistry tables, depthtodiameter tables, and flow charts of wastewater treatment processes. When your algebra teacher said you would use those skills someday, she wasnt kidding. What is the volume in cubic feet of a rectangular tank that is 10ft by 30ft by 16ft and how many gallons can fit in it. Sample questions are provided for classes i, ii, iii, and iv wastewater operator certification exams, so you can study the questions that are specific to your grade level. Basic onsite wastewater treatment training manual prepared by.
If you dont see any interesting for you, use our search form on bottom v. May 14, 2009 ca grade 2 wastewater math, part 5 of 6 hd duration. The larger photo in the background has a blue transparent screen box layered on top. Students develop an understanding of the important role that water systems play in global ecosystems students will evaluate the role media play in portraying controversial water issues and they are tasked with researchin. On this page you can read or download n2 water and wastewater treatment practice pdf in pdf format. The importance of sampling, laboratory, maintenance, management and safety are also briefly discussed. Ca grade 2 wastewater math, part 5 of 6 hd duration. Back to basics math for operators jim borton, senior operations specialist note. The grade ii examination also contains mathematical questions. March 11, 18, 25, 2008 antioch, ca 18 hours grade 3, 45 wastewater mathematics swrcb exam level problems operators should bring a scientific calculator.
What is the minimum number of grit basins to put in service to achieve a velocity of less than 1 fps if the influent flow is 1. Im interested in pursuing a career as a wastewater operator, but struggle with math. Water and wastewater training guide 1 chapter one 1. Ca grade 1 wastewater math, part 1 of 4 hd youtube. The guide provides examples of a variety of different problems that will be encountered both on grades 1. Wastewater treatment plant operator examination grade. Rules which effect wpcs operators 8 personal and public safety 19 laboratory, sampling, and monitoring 22 mathematics 24 physical chemical grade one motors, coupling, and drive mechanisms 27. Physical chemical grade one and two general 5 laws and regulations 5 records and reports 6 monitoring and reporting 7 summary of n. The electrical potential required to transfer electrons from one compound or element to another is commonly referred to as.
Learn how to factor units into your solutions to math problems on licensing exams. Grit is the fine, abrasive particles removed from wastewater, such as sand and eggshells. The following is a general outline to serve as a study guide in preparing for the grade 1 examination. Cwea first offered a certification program for wastewater treatment plant operators in 1937. This course will prepare you for the water operator. But more topics have been slowly added over time, so there may be more in the future. Section 2 certification program and polices grade i laboratory analyst page 2 of 80 cweas mission is to enhance the education and effectiveness of california wastewater professionals through. If the volatile solids concentration in raw sludge is 66% and the volatile solids concentration in the digested sludge is 56%, what was the volatile solids reduction.
Wastewater treatment plant operator examinations grade 1. Environmental math for water and wastewater created and compiled by. Wastewater math course water and wastewater courses. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Laboratory analyst grade i certification examination study guide. Jan 29, 2015 wastewater math is a significantly stressful topic for many operators who are preparing for an exam. This 7page document provides a list of valuable formulas and conversion factors important for wastewater operators. Just grab this box and pull it away to access the back photo.
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