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. IX. c. rotating feeder + 0000002075 00000 n When the influent load to a wastewater treatment plant changes rapidly, the best test to control purposes is All rights reserved. d. remove sludge digester, Odor Control: Lab-Getting Trendy Standards of conduct and practice were revised to exclude marijuana-related drug distribution misdemeanor convictions from convictions that a regulant must report to the Board. The demo is available to both certification programs and trainers to help prepare individuals for taking a computerized exam. Create an account to follow your favorite communities and start taking part in conversations. If a wastewater treatment plant has four aerobic digesters operated in series, which tank will exert the highest oxygen demand? Introduction to Water & Wastewater Treatment Technology - This course from Mountain Empire Community College includes 19 lessons tracing the flow of water from the source through treatment, storage, distribution, use, waste collection, treatment and discharge back into the environment. By measuring the pump output. Discussion of water and wastewater treatment processes and technology. We weren't able to detect the audio language on your flashcards. Activated Sludge Module 3 . Water and Wastewater Microbiology" 2014 Click to Rate "Hated It" Click to Rate "Didn't Like It" Wastewater Treatment Operator Certification Exam - 4 Practice Problems Water and Wastewater Courses 6.18K subscribers Subscribe 86K views 5 years ago For practice exams:. ._3-SW6hQX6gXK9G4FM74obr{display:inline-block;vertical-align:text-bottom;width:16px;height:16px;font-size:16px;line-height:16px} a.complete mix aeration b)Determine that all the plant equipment is operational. Water Treatment Practice Test - DEMO This 5 question practice test is a demo of the full, 100 question, practice test available to members. Click the card to flip Definition 1 / 88 Look for a manhole with reduced or no flow when the manhole upstream is flowing full Click the card to flip Flashcards Learn Match Created by cshe1736 Terms in this set (88) The more practice exams you do, the less stress you will feel when taking the real exam. how much surface area of a rotating biological contactor is immerses in the wastewater? What is the acceptable sulfur dioxide level in mg/L in wastewater plant effluent? The exam consists of 100 multiple choice questions. If there is a leak from a valve on a sulfur dioxide tank and the lead is found using ammonia, what color will the vapor fumes be? b. mineral oils ._1aTW4bdYQHgSZJe7BF2-XV{display:-ms-grid;display:grid;-ms-grid-columns:auto auto 42px;grid-template-columns:auto auto 42px;column-gap:12px}._3b9utyKN3e_kzVZ5ngPqAu,._21RLQh5PvUhC6vOKoFeHUP{font-size:16px;font-weight:500;line-height:20px}._21RLQh5PvUhC6vOKoFeHUP:before{content:"";margin-right:4px;color:#46d160}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{display:inline-block;word-break:break-word}._22W-auD0n8kTKDVe0vWuyK{font-weight:500}._22W-auD0n8kTKDVe0vWuyK,._244EzVTQLL3kMNnB03VmxK{font-size:12px;line-height:16px}._244EzVTQLL3kMNnB03VmxK{font-weight:400;color:var(--newCommunityTheme-metaText)}._2xkErp6B3LSS13jtzdNJzO{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;margin-top:13px;margin-bottom:2px}._2xkErp6B3LSS13jtzdNJzO ._22W-auD0n8kTKDVe0vWuyK{font-size:12px;font-weight:400;line-height:16px;margin-right:4px;margin-left:4px;color:var(--newCommunityTheme-actionIcon)}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y{border-radius:4px;box-sizing:border-box;height:21px;width:21px}._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(2),._2xkErp6B3LSS13jtzdNJzO .je4sRPuSI6UPjZt_xGz8y:nth-child(3){margin-left:-9px} Pool Chemistry What is the purpose of a draft tube in an anaerobic sludge digester? d. compost. b. bleach the Illinois EPA requires that routine bacteria samples to be taken and analyzed how often. Note: The Grade 7 Upgrade Application must be mailed to the Commonwealth of Mass, as shown on the form. How often should flame arresters be service on anaerobic digesters? Usually, what is the % accuracy of a graduated cylinder and burette? So every time you practice you will take a unique test. -high surface turbulence. 14 sec. d. hydrochloric acid. Hydrogen Sulfide will exist in a system depending on the presence or absence of_____. 2 Class 4E . Edwardsville, IL 62026-1075 (618) 650-2030 7. The ABC formula sheet is provided, and you must bring a non-programmable calculator. @keyframes _1tIZttmhLdrIGrB-6VvZcT{0%{opacity:0}to{opacity:1}}._3uK2I0hi3JFTKnMUFHD2Pd,.HQ2VJViRjokXpRbJzPvvc{--infoTextTooltip-overflow-left:0px;font-size:12px;font-weight:500;line-height:16px;padding:3px 9px;position:absolute;border-radius:4px;margin-top:-6px;background:#000;color:#fff;animation:_1tIZttmhLdrIGrB-6VvZcT .5s step-end;z-index:100;white-space:pre-wrap}._3uK2I0hi3JFTKnMUFHD2Pd:after,.HQ2VJViRjokXpRbJzPvvc:after{content:"";position:absolute;top:100%;left:calc(50% - 4px - var(--infoTextTooltip-overflow-left));width:0;height:0;border-top:3px solid #000;border-left:4px solid transparent;border-right:4px solid transparent}._3uK2I0hi3JFTKnMUFHD2Pd{margin-top:6px}._3uK2I0hi3JFTKnMUFHD2Pd:after{border-bottom:3px solid #000;border-top:none;bottom:100%;top:auto} c. vacuum filters Introduction To go to the Class 2 & 3 Study Guide Click on above tab. What is the ultimate measure of effective chlorination? a. heavy metals ._2cHgYGbfV9EZMSThqLt2tx{margin-bottom:16px;border-radius:4px}._3Q7WCNdCi77r0_CKPoDSFY{width:75%;height:24px}._2wgLWvNKnhoJX3DUVT_3F-,._3Q7WCNdCi77r0_CKPoDSFY{background:var(--newCommunityTheme-field);background-size:200%;margin-bottom:16px;border-radius:4px}._2wgLWvNKnhoJX3DUVT_3F-{width:100%;height:46px} ._1QwShihKKlyRXyQSlqYaWW{height:16px;width:16px;vertical-align:bottom}._2X6EB3ZhEeXCh1eIVA64XM{margin-left:3px}._1jNPl3YUk6zbpLWdjaJT1r{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;display:inline-block;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;padding:0 4px}._1jNPl3YUk6zbpLWdjaJT1r._39BEcWjOlYi1QGcJil6-yl{padding:0}._2hSecp_zkPm_s5ddV2htoj{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;display:inline-block;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;margin-left:0;padding:0 4px}._2hSecp_zkPm_s5ddV2htoj._39BEcWjOlYi1QGcJil6-yl{padding:0}._1wzhGvvafQFOWAyA157okr{font-size:12px;font-weight:500;line-height:16px;border-radius:2px;margin-right:5px;overflow:hidden;text-overflow:ellipsis;vertical-align:text-bottom;white-space:pre;word-break:normal;box-sizing:border-box;line-height:14px;padding:0 4px}._3BPVpMSn5b1vb1yTQuqCRH,._1wzhGvvafQFOWAyA157okr{display:inline-block;height:16px}._3BPVpMSn5b1vb1yTQuqCRH{background-color:var(--newRedditTheme-body);border-radius:50%;margin-left:5px;text-align:center;width:16px}._2cvySYWkqJfynvXFOpNc5L{height:10px;width:10px}.aJrgrewN9C8x1Fusdx4hh{padding:2px 8px}._1wj6zoMi6hRP5YhJ8nXWXE{font-size:14px;padding:7px 12px}._2VqfzH0dZ9dIl3XWNxs42y{border-radius:20px}._2VqfzH0dZ9dIl3XWNxs42y:hover{opacity:.85}._2VqfzH0dZ9dIl3XWNxs42y:active{transform:scale(.95)} Odor Control: Bacteria in an anaerobic digester will effectively utilize: Need-to-Know Criteria outline the content that will be covered on the 2017 ABC standardized exams. What is the chemical formula for sulfuric acid? Wastewater Class 2 multiple choice. Wastewater sources & characteristics: now if it's bomb after bombeh, i might make ya take a break for a bit before going again. Campus Box 1075 - Southern Illinois Univ. Sludge Digestion & Solids Handling: Effluent Disposal: Good luck. The recommended minimum depth for a waste pond is". name the laboratory glassware that can be used to heat liquids in an open flame? The full practice test is randomly generated from a database of hundreds of questions, meaning no two test are ever exactly the same. Class 2 Wastewater Test Questions fullexams com. The industrial Class Kand 10 -WR (general) exam has a total of 14 questions, 7 multiple choice and 7 short answer/essay. Wastewater Solids Processing: d. chemical addition with counter masking or masking agents, chemical addition with counter masking or masking agents. b. nitrogen 8 0 obj a. airstream treatment c. improve housekeeping around drying beds -all blowers are running. WasteWater Operator Certification, Grade 2, Wastewater Treatment Facilities: The effluent from which process is called mixed liquor b. contact stabilization Each of the Practice Exams is a multiple choice test (50 questions). ISAWWA offers a full range of online classes, all approved by the IEPA with RTC hours. a. heavy metals Wastewater Works Operator Class 4 Wastewater Treatment Operator Class I - 2017 Edition Wastewater Treatment Wastewater Treatment, Collection, Industrial . Maintenance: ABC Certification - Testing Services - Membership - Conference/Calendar - Certification Contacts - Continuing Education Review - About Us - Contact Us. Basic Chemistry: Statistics from 2019 HERE. 23BIbVc^(2el!jO1gXFi!20IIew"-bRZ\Z 1mnH35_l^tE+SedZIinbz0FQ&|Y1la@YuGfrg|I-'6s @LYiFag6Td[l\* Which one of the following types of substances can be toxic to wastewater plants using biological systems and may adversely affect potable water supplies downstream? The exam questions were developed by experts in the wastewater field. b. extended aeration activate sludge ._2ik4YxCeEmPotQkDrf9tT5{width:100%}._1DR1r7cWVoK2RVj_pKKyPF,._2ik4YxCeEmPotQkDrf9tT5{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}._1DR1r7cWVoK2RVj_pKKyPF{-ms-flex-pack:center;justify-content:center;max-width:100%}._1CVe5UNoFFPNZQdcj1E7qb{-ms-flex-negative:0;flex-shrink:0;margin-right:4px}._2UOVKq8AASb4UjcU1wrCil{height:28px;width:28px;margin-top:6px}.FB0XngPKpgt3Ui354TbYQ{display:-ms-flexbox;display:flex;-ms-flex-align:start;align-items:flex-start;-ms-flex-direction:column;flex-direction:column;margin-left:8px;min-width:0}._3tIyrJzJQoNhuwDSYG5PGy{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;width:100%}.TIveY2GD5UQpMI7hBO69I{font-size:12px;font-weight:500;line-height:16px;color:var(--newRedditTheme-titleText);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.e9ybGKB-qvCqbOOAHfFpF{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;width:100%;max-width:100%;margin-top:2px}.y3jF8D--GYQUXbjpSOL5.y3jF8D--GYQUXbjpSOL5{font-weight:400;box-sizing:border-box}._28u73JpPTG4y_Vu5Qute7n{margin-left:4px} Find out how you can intelligently organize your Flashcards. How often should the oil in the chain casing be changed? They do list the books they pull info from. d. organic toxicants, Activated Sludge: d. phosphorous, Activated Sludge: Sludge Digestion & Solids Handling: c. sludge age (3) reddish brown, Activated Sludge: a. O2 (+3) Final DO: 5.9. d. activated sludge, Wastewater Treatment Facilities: c. DO Surface loading and detention time is a clarifier are directly related to: Sedimentation and Flotation: d. flotation, Wastewater Solids Processing: Press question mark to learn the rest of the keyboard shortcuts, https://royceu.com/Public/PracticeQuizes.aspx. . d. stabilization, Wastewater Solids Processing: b. twice per day Wastewater Collection Practice Test #3 Page 6 of 26 9) Sewer "A" has 106,000 people at 95 GPCD. worked for me on the class IV. Edwardsville, Illinois 62026-1075 (618) 650-2030 . they prevent foaming in the annular space. Pass your test the first time! A pond that contains oxygen in its upper layers and lacks oxygen in the bottom layer is classified as, Waste Treatment Ponds: What is the optimum temperature range of mesophile bacteria in anaerobic digestion? Activated Sludge: Name the solids treatment method that has a solids buildup which forms a blanket on the bottom and forces the water out due to compression? b. complete mix aeration me personally the Sacramento is way outdated, But I used the wastewater treatment fundamentals I&II textbook and passed my Class IV in Virginia on the first try. c. sulfuric acid Which one of the following types of wastewater ponds listed below is not classified like the other three? -all blowers are running. a. hair Collection Class 3; Collection Class 4 - most advanced level Small wastewater system operators oversee wastewater systems serving fewer than 3,300 persons. The course is designed to prepare operators for the Grade 2, 3, and 4 Alabama Wastewater Certification Exams. Rotating Biological Contactors: what would happen if too much sludge was added to an anaerobic digester? Outline Answer the following question to test your understanding of the . what type of waste solids would most likely be sent to a rendering reclamation? a. screenings If is not recommended to start up trickling filters in the _____(season) because bacteria are most ofter dormant at this time, Trickling Filters: What type of protozoa is typically associated with a poor treatment process and a young bio-solids age? The Wastewater Operator Certification Program is intended to protect public health, environmental quality, and the financial investment of wastewater facilities. c. hypochlorite acid c. once per day .ehsOqYO6dxn_Pf9Dzwu37{margin-top:0;overflow:visible}._2pFdCpgBihIaYh9DSMWBIu{height:24px}._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu{border-radius:2px}._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu:focus,._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu:hover{background-color:var(--newRedditTheme-navIconFaded10);outline:none}._38GxRFSqSC-Z2VLi5Xzkjy{color:var(--newCommunityTheme-actionIcon)}._2DO72U0b_6CUw3msKGrnnT{border-top:none;color:var(--newCommunityTheme-metaText);cursor:pointer;padding:8px 16px 8px 8px;text-transform:none}._2DO72U0b_6CUw3msKGrnnT:hover{background-color:#0079d3;border:none;color:var(--newCommunityTheme-body);fill:var(--newCommunityTheme-body)} MATERIAL AND METHODS Which one of the following species is ozone? c. tapered aeration PRACTICE EXAM 13-20 . Test takers are allowed three hours to complete the exam. When is the dissolved oxygen in a waste pond the highest? Safety: 2017 Wastewater Treatment Operator Class IV Wastewater Treatment Operator Formula/Conversion Table ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. Maintenance: b. phosphoric acid These practice questions and answers are brought to you free of charge by RoyCEU.com. Edwardsville, IL 62026-1075 (618) 650-2030 . Secondary Treatment: a. pH Along with the practice exam you will also be able to read and learn the secret of achieving top scores on the State Exam. Activated Sludge Module 2 . If this is your first exam attempt, a short history of the current exam development should be of interest. !function(f,e,a,t,h,r){if(!f[h]){r=f[h]=function(){r.invoke? Class 4 Study Guide Wastewater Operator Certification . c. temperature Activated Sludge: Rotating Biological Contactors: Saprophytic microorganisms are also called: Sludge Digestion & Solids Handling: Operators should use special precautions when placing anaerobically digested sludge on a drying bed because sludge contains what gas? 100:5:1 What does the wastewater industry call sludge that is only partially digested? what would be the best solution if the volatile-acid-to-alkalinity ratio increased to 0.3 in a digester due to pumping thin sludge? If the gas pressure in a digester is lower than normal, what is the most probable cause? All occupied trenches 4 or more feet deep must provide exits at. I passed the ABC class 3 and didnt use the Sacramento books at all. b. yellow Grade 4 Wastewater Certification Wastewater Extra Questions Grade 1 Wastewater certification review grade. They all produce high volumes of wastewater. the books are a tad overkill for the ABC tests. Approx. 3 stages The most important factor in the high-rate process of anaerobic digestion is: Class I - Wastewater Class I - Operator Class I - Water Distribution Class II - Operator Class II - Water Distribution Class III - Water Treatment Class III - Water Distribution Class IV - Water Distribution Learning Excel Workbook Basics Function Basics More Training on Microsoft's website Puzzle Puzzle: KRWA is going to PIECES! Sludge Digestion & Solids Handling: Typically, what average percent of total solids in domestic wastewater, both dissolved and suspended, are inorganics? b. an anaerobic digester This class addresses all the test topics and provides the operators with all the study material necessary to prepare for the exam. Water Environment Federation Bookstore. Waste Treatment Ponds: How many stages are usually present in the rotating biological contactor process? Microorganisms that are methane fermenters will only produce in the pH range of, Sludge Digestion & Solids Handling: WEF/ABC/C 2 EP Wastewater Operators' Guide to Preparing for the Certification Examination. Which one of the following types of substance is not soluble in water and has the potential of creating explosive conditions? that is they must test what they are supposed to test. Ponds used in series after a trickling filter are sometimes called? 2017 Wastewater Treatment Operator Formula/Conversion Table. The solids treatment method that usually dewaters solids by mixing them with a bulking agent, and then waiting for biological stabilization to occur is called________, Wastewater Solids Processing: a. screw feeder 122 terms. This 5 question practice test is a demo of the full, 100 question, practice test available to members. (Time of day), Waste Treatment Ponds: d. dissolved oxygen, Wastewater Solids Processing: The panel is comprised of 8 experts who What type of fire extinguishers should be used on electrical fires? WEF/ABC/C 2 EP Collection Systems Operators' Guide to Preparing for the Certification Examination. $25 b. ABC standardized exams are administered with an ABC Formula/Conversion Table containing mathematical formulas and common abbreviations that may be present on the exam. d. raw sewage. (a) Where does the fish appear to be? The most common flow-measure device for wastewater is a_____, Wastewater Treatment Facilities: Wastewater and some forms of industrial runoff can be treated and purified by algae (Algae Basics. When an electrolyte is dissolved in water to form an ion, the ion is said to be________, Basic Chemistry: d. acids and alkalies, Activated Sludge: Read more ISBN-10 1583217282 ISBN-13 978-1583217283 Edition Spi Publisher Secondary Treatment: The examinations consist of multiple choice questions and essay questions designed to test your knowledge of the wastewater facilities for which you are seeking certification. Wastewater Certification practice tests, flashcards, study guides, and more. Wastewater Solids Processing: Every test is created from a pool of possible water distribution questions. Enhanced Biological (Nutrient) Control: a. Phone (800) 666-0206. they prevent the cover from scraping the sidewall. What is the solids treatment method that aerated the recycles water from the unit under pressure? Sedimentation and Flotation: Smith, Michael Abbott. The resources below are provided as an aid to students studying and practicing for their state exams as well as a helpful resource in the daily operation of a water/wastewater treatment plant. % VI. Answers and references are included for questions. Residual Solids Management: Flow Patterns. b. vacuum filters c. aerobic pond I had the same problem with my ABC exam for my industrial license. b. hypochlorous acid excessive slime growths on a trickling filter may cause a condition on the the filter called, Trickling Filters: The passing grade is 70%. b. decrease circulation b. wet air oxidation At what depth should samples be collected from a waste pond? c. composting 0000000607 00000 n Activated Sludge Module 1 . Digestion is working properly if the volatile solids content of the raw sludge has been reduced by ___-___%, Sludge Digestion & Solids Handling: when one liquid is dissolved in another liquid it is called. Sludge Digestion & Solids Handling: Math guides, tutorials, tips, and practice quizzes. b. primary clarification View the 2020-2021 wastewater exam summary statistics of quarterly exam results HERE. b. pH Certification Exam Prep; Continuing Education; Certificate Program; Utility Management a. heat treatment DO d)Test start standby pimps, motors and generators. For more practice problems: https://www.waterandwastewatercourses.com/To enroll in an online course: https://courses.waterandwastewatercourses.com/Grade 1: . Odor Control: feathr("sprinkle", "page_view"); Activated Sludge: You have to finish following quiz, to start this quiz: When organic wastes are discharged to receiving water, oxygen is depleted by. .c_dVyWK3BXRxSN3ULLJ_t{border-radius:4px 4px 0 0;height:34px;left:0;position:absolute;right:0;top:0}._1OQL3FCA9BfgI57ghHHgV3{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;-ms-flex-pack:start;justify-content:flex-start;margin-top:32px}._1OQL3FCA9BfgI57ghHHgV3 ._33jgwegeMTJ-FJaaHMeOjV{border-radius:9001px;height:32px;width:32px}._1OQL3FCA9BfgI57ghHHgV3 ._1wQQNkVR4qNpQCzA19X4B6{height:16px;margin-left:8px;width:200px}._39IvqNe6cqNVXcMFxFWFxx{display:-ms-flexbox;display:flex;margin:12px 0}._39IvqNe6cqNVXcMFxFWFxx ._29TSdL_ZMpyzfQ_bfdcBSc{-ms-flex:1;flex:1}._39IvqNe6cqNVXcMFxFWFxx .JEV9fXVlt_7DgH-zLepBH{height:18px;width:50px}._39IvqNe6cqNVXcMFxFWFxx ._3YCOmnWpGeRBW_Psd5WMPR{height:12px;margin-top:4px;width:60px}._2iO5zt81CSiYhWRF9WylyN{height:18px;margin-bottom:4px}._2iO5zt81CSiYhWRF9WylyN._2E9u5XvlGwlpnzki78vasG{width:230px}._2iO5zt81CSiYhWRF9WylyN.fDElwzn43eJToKzSCkejE{width:100%}._2iO5zt81CSiYhWRF9WylyN._2kNB7LAYYqYdyS85f8pqfi{width:250px}._2iO5zt81CSiYhWRF9WylyN._1XmngqAPKZO_1lDBwcQrR7{width:120px}._3XbVvl-zJDbcDeEdSgxV4_{border-radius:4px;height:32px;margin-top:16px;width:100%}._2hgXdc8jVQaXYAXvnqEyED{animation:_3XkHjK4wMgxtjzC1TvoXrb 1.5s ease infinite;background:linear-gradient(90deg,var(--newCommunityTheme-field),var(--newCommunityTheme-inactive),var(--newCommunityTheme-field));background-size:200%}._1KWSZXqSM_BLhBzkPyJFGR{background-color:var(--newCommunityTheme-widgetColors-sidebarWidgetBackgroundColor);border-radius:4px;padding:12px;position:relative;width:auto} Math for Wastewater Treatment Operators Grades 3 amp 4 March 13th, 2009 - Math for Wastewater Treatment Operators Grades 3 amp 4 Practice Problems to Prepare for Wastewater Treatment Operator Certification Exams 1st Edition Catalog Roane State Community College April 30th, 2018 - Note The terms in which a course is normally Sorry, your blog cannot share posts by email. Math the floating cover on an anaerobic should be inspected how often? I passed the next time. g.async=!0,g.src=t,h.appendChild(g)} You have created 2 folders. se&{1k">N0{5yur-;5Y5#[ !q& kH'U!p_,JjrDGM&tv.~Qsn,3u}L> b)>c^\!rA[6GOE;5N8&6\ciu2k 0000001180 00000 n This means that each wastewater treatment facility in Illinois is required to be operated by a wastewater operator who is certified at or above the certification level required for the treatment facility. The RX Drug Company has just purchased a capsulating machine for $76,000. The wastewater operator certification program is a mandatory program. Sedimentation and Flotation: USE OF CALCULATORS ON THE EXAM 10 . ._3Z6MIaeww5ZxzFqWHAEUxa{margin-top:8px}._3Z6MIaeww5ZxzFqWHAEUxa ._3EpRuHW1VpLFcj-lugsvP_{color:inherit}._3Z6MIaeww5ZxzFqWHAEUxa svg._31U86fGhtxsxdGmOUf3KOM{color:inherit;fill:inherit;padding-right:8px}._3Z6MIaeww5ZxzFqWHAEUxa ._2mk9m3mkUAeEGtGQLNCVsJ{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:18px;color:inherit} Sample Question. d. phosphate-free surfactant, Activated Sludge: ._3Qx5bBCG_O8wVZee9J-KyJ{border-top:1px solid var(--newCommunityTheme-widgetColors-lineColor);margin-top:16px;padding-top:16px}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN{margin:0;padding:0}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:21px;display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-align:center;align-items:center;margin:8px 0}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ.QgBK4ECuqpeR2umRjYcP2{opacity:.4}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ label{font-size:12px;font-weight:500;line-height:16px;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ label svg{fill:currentColor;height:20px;margin-right:4px;width:20px;-ms-flex:0 0 auto;flex:0 0 auto}._3Qx5bBCG_O8wVZee9J-KyJ ._4OtOUaGIjjp2cNJMUxme_{-ms-flex-pack:justify;justify-content:space-between}._3Qx5bBCG_O8wVZee9J-KyJ ._4OtOUaGIjjp2cNJMUxme_ svg{display:inline-block;height:12px;width:12px}._2b2iJtPCDQ6eKanYDf3Jho{-ms-flex:0 0 auto;flex:0 0 auto}._4OtOUaGIjjp2cNJMUxme_{padding:0 12px}._1ra1vBLrjtHjhYDZ_gOy8F{font-family:Noto Sans,Arial,sans-serif;font-size:12px;letter-spacing:unset;line-height:16px;text-transform:unset;--textColor:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColor);--textColorHover:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColorShaded80);font-size:10px;font-weight:700;letter-spacing:.5px;line-height:12px;text-transform:uppercase;color:var(--textColor);fill:var(--textColor);opacity:1}._1ra1vBLrjtHjhYDZ_gOy8F._2UlgIO1LIFVpT30ItAtPfb{--textColor:var(--newRedditTheme-widgetColors-sidebarWidgetTextColor);--textColorHover:var(--newRedditTheme-widgetColors-sidebarWidgetTextColorShaded80)}._1ra1vBLrjtHjhYDZ_gOy8F:active,._1ra1vBLrjtHjhYDZ_gOy8F:hover{color:var(--textColorHover);fill:var(--textColorHover)}._1ra1vBLrjtHjhYDZ_gOy8F:disabled,._1ra1vBLrjtHjhYDZ_gOy8F[data-disabled],._1ra1vBLrjtHjhYDZ_gOy8F[disabled]{opacity:.5;cursor:not-allowed}._3a4fkgD25f5G-b0Y8wVIBe{margin-right:8px}
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