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Digest OPERATORS BRITISH COLUMBIA Operator Challenge Penticton 2009 System Profile: Union Bay Improvement District Vic Terry Award Eric Jackson “Operator of the Year” Page 7 Page 4 Page 8 Operator Profile Danny McGill Page 6 OCTOBER 2009 • NUMBER 118 Changes Coming in EOCP Fees A Newsletter for Water and Wastewater Operators Time is running out to complete your Continuing Education Requirement for the second renewal period. T he Environmental Operator’s Certifi- cation Program executive has found it necessary to increase a number of the fees we charge to run the certification program for operators in British Columbia. The program has been operating at a deficit for a number of years now and if we continue, all reserves will be depleted within a few years. Hopefully, this will be the last increase in annual dues for a while but there could be another increase next year if there is another substantial deficit as there has been recently. Expenses continue to exceed revenue for the Environmental Operators Certification Program. Beginning with the 2010 renewal, there will be an increase in the annual Operator’s dues to $60 per year as well as the introduction of an application fee for certification exams of $25. We have also increased the fees to be paid when an Operator from outside the province asks for reciprocity to become certified in BC as well as the advertising rates for the Operators Digest. We are also looking at reconfiguring the facility classification fees. Collectively these will help to offset the deficit the EOCP has been facing and will hopefully be enough to allow us to continue to provide you with the service and certification that we do. If these increases do not meet the financial needs of the EOCP, there is a possibility that there will be a further adjustments to allow the EOCP to continue to operate. EOCP Elections The EOCP Board elections occurred recently. As EOCP has more than 3700 active operators, a larger turnout was expected for the Board elections. Although there was a mailing glitch and some operators did not receive voting ballots initially, this recent board election has had the lowest response to date. More operators need to get involved in the voting process. The EOCP will be looking at various ways prior to the next election to increase voter turnout. Constitution changes were made recently and amendments were overwhelmingly approved; 104 members voted in favour and only 22 members voted against. It had been decided that proposed revisions to the Constitution would be voted on by the membership at large by mail-in ballot to allow the maximum number of members to vote. For more information about the constitution changes made; please visit www.eocp.org.

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DigestO P E R A T O R SB R I T I S H C O L U M B I A

OperatorChallengePenticton2009

System Profile:Union BayImprovementDistrict

Vic Terry AwardEric Jackson“Operator of the Year”

Page 7Page 4 Page 8

OperatorProfileDannyMcGill

Page 6

O C T O B E R 2 0 0 9 • N U M B E R 118

Changes Coming in EOCP Fees

A N e w s l e t t e r f o r W a t e r a n d W a s t e w a t e r O p e r a t o r s

Time is running out

to complete your

ContinuingEducation

Requirementfor the second

renewal period.

The Environmental Operator’s Certifi -cation Program executive has found itnecessary to increase a number of the

fees we charge to run the certificationprogram for operators in British Columbia.The program has been operating at a deficitfor a number of years now and if wecontinue, all reserves will be depleted withina few years. Hopefully, this will be the lastincrease in annual dues for a while but therecould be another increase next year if there isanother substantial deficit as there has beenrecently. Expenses continue to exceedrevenue for the Environmental OperatorsCertification Program.

Beginning with the 2010 renewal, there willbe an increase in the annual Operator’s duesto $60 per year as well as the introduction ofan application fee for certification exams of$25. We have also increased the fees to bepaid when an Operator from outside theprovince asks for reciprocity to becomecertified in BC as well as the advertising ratesfor the Operators Digest. We are alsolooking at reconfiguring the facilityclassification fees. Collectively these will help to offset the deficit the EOCP has beenfacing and will hopefully be enough to allowus to continue to provide you with the

service and certification that we do. If theseincreases do not meet the financial needs ofthe EOCP, there is a possibility that therewill be a further adjustments to allow theEOCP to continue to operate.

EOCP ElectionsThe EOCP Board elections occurred recently. As EOCP has more than 3700 active operators,a larger turnout was expected for the Boardelections. Although there was a mailing glitchand some operators did not receive votingballots initially, this recent board election has hadthe lowest response to date. More operatorsneed to get involved in the voting process. TheEOCP will be looking at various ways prior tothe next election to increase voter turnout.

Constitution changes were made recently andamendments were overwhelmingly approved;104 members voted in favour and only 22members voted against. It had been decidedthat proposed revisions to the Constitutionwould be voted on by the membership at largeby mail-in ballot to allow the maximum numberof members to vote. For more informationabout the constitution changes made; pleasevisit www.eocp.org.

B C O P E R AT O R S D I G E S T

2

The BC Operators Digest is the official newsletter of theEnvironmental Operators Certification Program.Submissions for publication in the Digest are welcome.Changes of address, annual dues, exam applications, aswell as general inquiries about the program should beaddressed to [email protected] or:

Environmental Operators Certification Program201 – 3833 Henning Drive

Burnaby, BC V5C 6N5

PHONE: 604 874 4784FAX: 604 874 4794

TOLL FREE: 1 866 552 3627EMAIL: [email protected]

WEB: www.eocp.org

Bill Hyslop, Executive DirectorKim Eames, Office Manager

Heather Edmonds, Office AssistantStephanie Hall, Office Assistant

Business card-sized ads are available for $75 per issueor $250 for four issues, GST included. For ads of othersizes, please contact the EOCP office.

The Environmental Operators Certification Program is a charter member of the Association of Boards ofCertification and is a registered society with more than3,700 active members.

What is an Operator?

When I first started out as an Operatorin 1995, salaries and job titles had the

same ratings and pay as truck drivers andequipment operators. Nothing against thosetwo professions but as a water and waste -water Operator, a different job descriptionand job title was sought for and eventuallygained. Management began to realize theimportance of having a certain level ofEOCP certified Operator on staff. Throughhard work and taking many courses such asthe Sacramento State courses, some Opera -tors have been able to acquire higher levelsof certification along with higher levels ofpay and job advancements. Certified Oper -ators are looked upon more and more asprofessionals in the water and wastewaterfield. Many managers these days have workedtheir way up through the Operator ranks toachieve utility management positions.

Some Operators like myself, have been veryfortunate to have had great mentors whenthey first enter in the water and wastewaterfield. These mentors and supervisors havebeen great; showing new Operators how tobe great Operators, showing new Operatorsthe right and ethical way to be an Operatorand installing a sense of professionalism inthem as well.

Lately, there have been some incidents thatsome may question Operator’s profession -alism. As seen in this newsletter, a certifiedOperator falsified data that was sent into aregulatory agency. Another certifiedOperator has been observed using a cellphone to take pictures of a certificationexam during an exam session, while anotherOperator has been observed using a “cheatsheet” during an exam session.

These incidents are not the norm forOperators. We, as Operators, are aware ofthe legal and ethical way to deal withenvironmental issues and violations. Themajority of Operators know right fromwrong and refuse to cheat or violate theintegrity of the certification process. If, weas Operators want to continue to be viewedas professionals, then we must continue toact professionally as the majority of usalready do. ■

Publications Mail Agreement No. 41498030

Return Undeliverable Canadian Addresses to

Environmental Operators Certification Program

201 – 3833 Henning Drive

Burnaby, BC V5C 6N5

Environmental OperatorsCertification Program

Pat Miller – TreasurerScott Fry – SecretaryDarryl BjorgaardSteve Benoit

Ron BazukBob L. SmithShawn SandersBrian Thorburn

2008/2009 Board of Directors

Mike Gosselin – President

2009 Certification Board Election Results

Operators: Mike Gosselin 84 votesBrian Thorburn 83 votesBob Beaumont 59 votesChris Brown 33 votes

E D I T O R I A L

BC OP E RATOR S D IG E S T

3

Soon, giving and getting trainingwill become much simpler. TheEOCP has streamlined the

assignment of CEU’s for training toenable many more qualified andknowledgeable operators to becometrainers for many courses, particularlyshort, focused sessions in remotelocations. The existing list of over fivehundred training opportunities will beincorporated in the new system andthere will be no changes for thosewho wish to avail themselves of theexisting courses, seminars, andworkshops. If you, as an operator,have extensive knowledge about anywater or wastewater subject and areprepared to provide a training plan for

NewWastewater and Water ExamsNew wastewater treatment examinations have been developedover the last couple of years and are nearing completion.These new wastewater exams should be ready for the fall andwinter examination sessions.

EOCP representatives; John Reynolds, Bill Hyslop, RussMegas, and Brian Thorburn have been working with theAssociation of the Boards of Certification to develop newstandardized wastewater and water exams for use across NorthAmerica, Canadian Standardized versions and ultimately bythe EOCP. These exams along with new formula sheets arealways being reviewed and allow all certification jurisdictionsto upgrade their exams as frequently as they wish.

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We want your input!We have a new look for the digest andwebsite. If you have any comments orsuggestions please contact us at the EOCP.As well, we are thinking about starting aGimmicks and Gadgets contest foroperators in BC to share valuable ideasbetween operators in our province. If youhave any Gimmicks and Gadgets that youwould like to share, please email us andwe will publish your ideas in futurenewsletters.

T r a i n i n g R e g i s t r y

a workshop, the EOCP willreview that plan and grantCEU’s depending on the lengthof the course and the coursecontent. The EOCP will reviewthe course content and willfollow up on the coursedelivery to ensure that theoperators are getting the fullintent of the workshop. Thiswill aid the many operators(and others) in BC tobecome recognized by theEOCP as trainers if theychoose to.

We know that it is hard in manyisolated locations to have courses put

on that relate to what theoperators want to learnand these course can besometimes cost prohibitiveto many smaller utilities.We feel that once theTraining Registry is fullyimplemented; training andeducation of Operators willbecome much moreavailable, standardized andbeneficial. Keep checkingback on the EOCP website forall updates on the TrainingRegistry program and if you

are interested in providing training,please contact the EOCP or email usas [email protected].

water and using it forwashing clothes, the waterwould then be used towash the floors, and whatwas leftover was put on thegarden. A technique nowbeing revisited in modernday water conservationconcepts.

Around the turn of thecentury, Langley Lake, at500’ elevation wasdammed to supply theWasher with water at 200lb. pressure. An earth-filldam was built with largetimbers facing the toe side.Then a 10” pipe was laid tothe Washer, crossing the200’ span at Canyon Creek.It was supported by a 100’high bridge that was only5’ wide. In 1912 the damburst, flooding Chinatownand the colliery yards. Thedam was built stronger andis still in use today.

By the 1930’s, the mainsupply line was in need of

repair, so a pump housewas installed behindChinatown with the watertaken directly from thecreek. The pump house isstill located beside WasherCreek at the CommunityHall property

In the early 1940’s the maintown line was replaced andextended north as far as theweigh station and upMcLeod Road to four or fivehouses above the tracks.Bob and Jim McKay led alarge crew of Chineseworkers installing 4”wooden staves pipes. Each16’ long pipe was made ofwooden staves boundtogether with galvanizedwire. The pipes were joinedwith wooden sleeves.Galvanized pipes wereattached from the main lineto each home. After thenew road was put throughin 1947, the line wassimilarly extended south tothe town limits.

Union Bay Improvement District

SYSTEMPROFILE

Chinese crew in 1947 laying pipe

BC OP E RATOR S D I G E S T

Canyon Creek trestle span

‘Then’ and ‘Now’ – Union Bay, BC

Then:EXCERPT FROM‘THE FRIENDLY PORT’BY JANETTE GLOVER GEIDT

Union Bay (UnionWharf), known asthe Friendly Portduring its mining

days, was the processingand shipping communityfor coal being mined inCumberland. The watersource and system (LangleyLake) was originallydeveloped for the industry.

Everyone went to thecommunity wells for water.It was a great place to catchup on the local news. Waterwas precious so none waswasted. After heating the

extension of the service tothe Buckley Bay area tookplace in the early 1970’sand McKay Reservoir wasbuilt. The dam wasrefurbished in the late 70’sand a new deep intake tothe lake was installed in1999.

Langley Lake is a spring fedarea that was dammed forwater supply purposes forthe washer for the coalindustry. It also has severalcreeks that fed it in the wetseason from the IslandTimberlands property thatforms the watershed area. Ithas a strong presence ofpeat demonstrated byfloating islands of peat.Turbidity levels fluctuatedepending on the incomingflows into the lake. Inaddition there is high levelof organics and a low pHlevel to the water. It has alicensed storage capacity of690,000m3. Millions ofgallons of water flow overthe spillway for approxi-mately seven months of theyear (October to April).

The transformation of thesystem is not withoutincident and as morechanges are made to thesystem, some of the pastbecomes known. The mostcommon problem is whenthe information on file doesnot match what is found inthe ground. When thishappens, someone willremember that “JoeSomebody did that, let’stalk to him and see if heremembers.” Unfortunatelyin 2009, this no longerhappening as most of this

BC OP E RATOR S D IG E S T

5

knowledge is no longeravailable.

Changing the intake inLangley Lake had itschallenges. The intake waslocated in a shallower areaof the lake and it wasdecided after an engineer-ing study that it should bemoved to a deeper sectionof the lake. The engineeringstudy took place in 1994with the actual work wasnot being scheduled till1998. During this timeframe some informationwas overlooked in theplanning and installation.This turned a $160,000project into a $330,000project — a serious impacton the reserves of animprovement district.

Looping of Nelson Street toMcLeod Road took place in2003. This loopingimproved the much neededfire flows for the propertiesin the McLeod Road corearea. 2003 also marked the20-year planning update.Future development of the

Union Bay area was beingdiscussed which madewater conservation andplanning for the future thenext priority. The services ofan engineering companywere contracted todetermine current usagepractices and the watersupply available to increasethe number of connectionsexpected for futuredevelopment. The reportfinalized in early 2004,indicated that at the currentusage rate there may be apossibility of water shortageby the summer of 2007. TheBoard of Trustees took theproactive approach ofhaving meters installed withthe customers responsiblefor the cost of installation,since improvement districtsdo not qualify for infra-structure funding. This wasmet with some resistance.However, during theinstallation of the metersmajor leaks in the infra-structure were discoveredand corrected. One such

Top of Langley Lake Spillway

When the company closedin 1960, it sold the watersystem to the newly formedUnion Bay Water Board for$1.00. The board alsobought Langley Lake for$1,000, one of the fewlakes in BC which isprivately owned.

Now:

Today the communityknown as Union Baystill uses Langley Lakeas its water source;

however the wooden stavepipes have been replacedwith asbestos and PVCpipes. The system expandedand there were some areasin town that had very lowpressure or no water atcertain times of the day oryear. The reservoir at thetop of McLeod Road wasnot large enough to supportcommunity use during highuse times. The water wasstill being supplied from thepump house at WasherCreek. The Harry GloverReservoir was constructedat the top of McLeod Roadon land leased from theWeldwood Company in1976 and the use of thepump house wasdiscontinued. Water mainscame directly from LangleyLake into the reservoir fordistribution.

The water system todayprovides water fromSpindrift Drive in the northto the Buckley Bay FerryTerminal in the south, andservices 640 properties. The

continues on page 6

B C O P E R AT O R S D I G E S T

6

The major developmentcurrently under review hasundergone numerousengineering studies ofservice considerations forwater and sewer. Theongoing updating of theUnion Bay ImprovementDistrict 20-year plan is anecessary factor indetermining whether thedistrict is in a position toprovide water for develop-ment to move forward.

The changing legislation forwater purveying hasmandated that 4-3-2-1-0treatment process to be inplace in the near future.With the proposal of newdevelopment theimmediate implementationof treatment may form partof the requirement topurvey water to newsubdivisions. In 2005 UnionBay conducted a pilot-project to determine whichtype of treatment would beappropriate to handlesource water high inorganics and turbidity andlow in pH. The costs wereestimated and the scheduleset for implementation in2006. However, thisschedule has been delayeduntil the funds are raised orlandowner approval hasbeen granted to borrow themoney to cover the costs ofinstallation.

The other majormaintenance considerationfor Langley Lake is the dam.The dam requires regularinspection and the dam

Operator Profile Danny McGill

Danny McGill has been an EOCP certified Water Distribution level 2Operator since 2000. He works for the Union Bay ImprovementDistrict on Vancouver Island. His background includes wellinstallation and maintenance in which he started in 1994 for a localwell company. He graduated with honours from WaterworksTechnology School in 1998 and began work with the ImprovementDistrict in 1999. Danny is also certified in chlorine handling, crossconnection control, and confined space rescue. He has alsocompleted the level 2 Wastewater Collection Operations programfrom Sacramento State University. Danny enjoys fishing with his twogirls and also plays on a local hockey team year round.

SYSTEM PROFILE continued from page 5

leak changed the waterpressure in one area by 10psi. In addition to the watermeters a droughtmanagement and waterconservation plan was putin place in 2005. Increasedwater storage and watertreatment was scheduledfor 2006. As well,replacement and expansionof water mains was spreadout, setting priority areasover the next 10 years. Areview after 5 years wasplanned to evaluate theprogress of the plan.

Today the water usage haschanged from 513,000 m3

in 2003 to 147,000 m3 in2008. We now service 640connections up from 613 in2003. Customer leaks andmain line leaks are easier tofind and every billing periodseems to reveal anotherleak that needs repair.

The added benefits derivedfrom metering are betterwater managementpractices, more accuratedetermination of futureneeds and waterconservation education.

Union Bay, similar to manycommunities on VancouverIsland, is expecting to growsignificantly as the islanddevelops. Water and sewerservice considerations arethe most important factorsin ensuring that develop-ment can be supported,while continuing to supportthe existing community.

area must be kept clear ofdebris, and weeds. Weeklyinspections are conductedand property maintenanceis performed by UBID staff.Dam Safety Reviewinspections are conductedby outside agencies. Once aservice provided throughthe Ministry ofEnvironment, the mostrecent one was completedby a professionalengineering company inJune 2009. Langley Lake iscurrently rated as a low riskdam and considered in verygood condition.

Union Bay ImprovementDistrict is looking positivelyto the future growth of thearea and the influx of

infrastructure support thatdevelopment brings with it.Improvement Districtscontinue to depend onfunds from the landownersto improve theinfrastructure.

Submitted byBrenda FisherAdministratorUnion Bay ImprovementDistrict

Historical pictures courtesy ofthe Union Bay HistoricalSociety

Current day pictures courtesy ofthe Union Bay ImprovementDistrict

BC OP E RATOR S D IG E S T

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Large Pump Tear Down

Operator Challenge Penticton 2009

1ST PLACE:

Metro Vancouver• Corey Robinson• Clayton Dreger• Ivan Kozljan• Dan Deacon

2ND PLACE:

City ofChilliwack

• Gary Boyes• Shawn Pritchard• Grant Metcalfe

3RD PLACE:

Team INAC• Jeff Coombs• Victor Tom• Mel Paul

Top Ops Challenge

1ST PLACE:

CapitalRegional District• Steven Whipps• Mike Weaver• Jeff Girardet• Jeff Woolls

2ND PLACE:

City ofPenticton

• Kevin Mcluskey• Joel Mertz• Korey Birch

3RD PLACE:

Team That’sWhat She Said

• TonyScmerychynski

• Bill Saunders• Mike Callaway

Small Pump Tear Down

1ST PLACE:

The Pump Crew• Bill Saunders• Corey Robinson

2ND PLACE:

CRD Water• Joe Woolls• Jeff Giradet

The Metro Vancouver team is comprised of Bill Saunders,Cory Robinson, Dan Deacon ,Clayton Dreger, Ivan Kozljan,Jonathan Mcluskie and Vince Launder.

Operators answering questions during Top Ops.

Operator performing analysis during competition

Eric Jackson has been awarded the BCWWA Vic TerryAward on the recommendation of the EnvironmentalOperators Certification Program. The award goes toan operator that has provided exemplary service inwater and wastewater operations over an extendedperiod of time. Eric has far exceeded theserequirements. Eric has been contributing to theindustry and his fellow Operators for over 30 years.Eric was first certified as a wastewater treatmentOperator in 1978 and he also has served on theEOCP Board for 26 years, including many years as thetreasurer. Eric was instrumental in authoring many ofthe standards and procedures under which the EOCPprogram operates.

Eric has been involved with operator education formore than 20 years and is a member of the OperatorEducation Committee with BCWWA and teaches and

Eric Jackson accepts the award from Mike Gosselin

upgrades numerous courses. Eric also instructs andupgrades SWS and SWWS courses for INAC.

Eric was the Director of Water Reclamation for theCity of Vernon for 25 years and has won numerousawards for his dedication. Congratulations Eric andthanks for all your hard work!

Operator of the Year(The Vic Terry Award)

Eric Jackson

New Online Operator Application Form Coming Soon

Operators, keep checking the EOCP website www.eocp.org for updates aswell as the release of a new online operator exam application form.Soon operators will be able to apply online for their operator exams.

Simply fill in all the data sections with your experience, DRCs, and CEU’s toapply for examination approval. This system will further ease the burden onoffice staff, allowing them to focus on the many important items they addressdaily. Please review the certification requirements for classifications prior toapplying for the desired examination. All requirements for exams can be foundon the EOCP website under the tab Program Information and the headingProgram Guide. The online payment program for annual dues has proved to bea great success.

OPERATORSDoes the EOCP have yourcurrent email address? Pleaseensure when you renew yourEOCP certification to check youremail address. If in doubt,please email the EOCP office [email protected].

B C O P E R AT O R S D I G E S T

8

Tel (604) 942-0288 Fax: (604) 942-5858 E-mail: [email protected] www.bgcontrols.com

Hanna Instruments Portable Chlorine, Turbidity, pH, Conductivity Testers Severn Trent Services On –Line Chlorine Residual Analyzers

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Wastewater operator penalizedfor environmental violations atwastewater treatment facilities

FORT MCMURRAY — Alberta’s Provincial Court hassentenced a certified operator to a 12 month conditionalsentence, 11 months of which will be served as housearrest. The operator’s company has been penalized its totalassets of $6,000 for non-compliance offences that occurredbetween September 2005 and January 2007 near FortMcMurray.

The operator will serve his sentence at his British Columbiahome. During the 11 month term, he will only bepermitted to leave his home for 3 hours per week for thepurpose of buying groceries; any other absence must bewith permission, including should he attain otheremployment. The operator has also been prohibited fromoperating a wastewater treatment facility for four years, themaximum sentence under Alberta legislation. His companyhas also been prohibited for three years. The clearintention on the court’s ruling was to ensure that theopreator and his company are banned from any futurewastewater treatment operations.

The operator and his company plead guilty on two countson each of the following charges under section 227 of theEnvironmental Protection and Enhancement Act:

• providing false or misleading information in Suncor’sannual reports;

• failure to report approval exceedances;

• failure to comply with approval limits for Total SuspendedSolids and Biological Oxygen Demand at both plants.

Alberta Environment launched an investigation in March2006 in response to reports of non-compliance atdomestic wastewater treatment facilities at the two camps.The investigation uncovered a number of instances wheredata had knowingly been falsified and submitted in aneffort to meet reporting requirements. Subsequently, theinvestigation identified a number of violations of monthly

limits and a failure to properly report those violations.

As a result of the offences, an unknown amount ofpartially-treated wastewater was released into theAthabasca River. Further investigation and monitoringdetermined no discernable environmental impact and norisk to public health.

Courtesy Government of Alberta News Release

Our wastewater treatment plant was in violationof our operating permit twice in the last month,should I report the violation or should I just recorda different reading on the lab report?

Although operators typically do not have to sign a codeof ethics, they need to understand the ramifications offalsifying any data. Operators who have falsified data andprovided false or misleading information, have beenfound guilty by the courts and have lost their operatinglicenses and have had fines and/or house arrests. Anyviolation, no matter how small should be reported to theappropriate agencies. When operators are upfront abouta violation, typically, there can be minimal operatorpenalties except in a case of gross negligence.

?Operator

Question

In 1996, 16% of Canada’s urban populationdid not have any form of sewage treatment!

B C O P E R AT O R S D I G E S T

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North Island Labs‘In the Business of Providing

Peace of Mind’

CALA & EWQA AccreditedFor specific tests

www.nilabs.com

1. At what depth must shoring beinstalled in a trench?

a. 0.3 mb. 0.6 mc. 1.2 md. 1.5 m

2. Heavy organic material and gritwill start to settle out in waste-water’s grit channel at a velocity of:

a. 0.4 m/sb. 0.8 m/sc. 1.2 m/sd. 1.6 m/s

3. The manganese content of a rawwater is 0.35 mg/L. What is thepercent removal if the finishedwater contains 0.02 mg/L ofmanganese?

a. 67%b. 88%c. 94%d. 95%

4. Reservoirs are typically disinfectedwith a free chlorine residual of?

a. 0.2 mg/Lb. 10 mg/Lc. 20 mg/Ld. 50 mg/L

5. 1 mg/L of Alum will consume howmuch alkalinity during coagulation?

a. 0.1 mg/Lb. 0.2 mg/Lc. 0.5 mg/ld. 1.0 mg/L

6. The difference between thechlorine dosage and the chlorinedemand is?

a. Chlorine decayb. Chlorine residualc. Chlorine dropd. Chlorine concentration

7. The layer on top of a slow sandfilter is commonly referred to as:

a. Smudge Techb. Schmutzdeckec. Anthracited. Colloids

8. After a 30 minutes settling test in a1000 ml graduated cylinder, theMLSS settles out to 350 ml. If thesludge has a concentration of 2400mg/L, what is the SVI?

a. 69b. 146c. 686d. 1460

Correct answers

1.c2.a3.c4.d5.c6.b7.b8.b

Operator Certification Sample Questions:

B C O P E R AT O R S D I G E S T

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As many as 25%of all toilets leak.A toilet the runson after flushingcan leak at a rateof 20 to 40 litresper hour — that’s200,000 to400,000 litresper year.

B C O P E R AT O R S D I G E S T

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B C O P E R AT O R S D I G E S T

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A German Ran Rust Anagrams ReturnBelow are some common terms found in the water and wastewater field. Email or fax your answersinto the EOCP office for your chance to win a prize from EOCP. A draw will be held for theOperators who answer the most correctly.

a relic fir Clarifiertrifle

a italy link

a bear coin

a friction in it

dry shy soil

a pencil root

a craft stun

treat it

a lie volt

rice ten

oodles in

a cola gin out

ax idiot no

boar ice

infect urge

insect id info

gap itch one

air nasty

tray tire

buy dirt it

a warmth mere

peer mill

a cube toil turn