EUROPEANSTANDARDEN17409

NORMEEUROPEENNE

EUROP?ISCHENORMMay2020

ICS97.220.10

EnglishVersion

Surfacesforsportsareas-Codeofpracticeforthe

samplingofperformanceinfillsusedwithinsynthetic

turfsurfaces

Surfacespoursolssportifs-Codede

bonnespratiquespourIéchantillonnage

desmatériauxderemplissageutilisésdans

lessurfacesdegazonsynthétique

Sportb?den-RegelnfürdieProbenahme

beiFüllungen,dieinKunstrasenfl?chen

verwendetwerden

ThisEuropeanStandardwasapprovedbyCENon20April2020.

CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographical

referencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.

ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguage

madebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.

CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,

Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TurkeyandUnitedKingdom.

EUROPEANCOMMITTEEFORSTANDARDIZATION

COMITEEUROPEENDENORMALISATION

EUROP?ISCHESKOMITEEFüRNORMUNG

CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels

◎2020CENAllrightsofexploitationinanyformandbyanymeansreservedRef.No.EN17409:2020:EworldwideforCENnationalMembers

2

EN17409:2020(E)

ContentsPage

Europeanforeword iii

1Scope 4

2Normativereferences 4

3Termsanddefinitions 4

4General 5

5Method1-samplingduringproduction 5

5.1Samplingplan 5

5.2Lotsize 5

5.3Samplingpointandapparatus 6

5.4Sizeofsampleincrement 6

5.5Numberofincrements 6

6Method2-samplingfrombigbags 6

6.1Principle 6

6.2Apparatus 6

6.2.1Samplingtool 6

6.2.2Measuringflask 6

6.2.3Container 6

6.3Procedure 7

6.3.1Sampling 7

6.3.2Samplingheights 8

7Method3-samplingfromsmallb.Ag.8 9

7.1Principle 9

7.2Apparatus 9

7.2.1Samplingtool 9

7.2.2Container 9

7.3Sampling 9

7.3.1Numberofincrements 9

7.3.2Methodofsampling 9

8Method4-samplingfromsyntheticturfsurfaces 10

8.1Principle 10

8.2Equipment 10

8.3Procedure 11

8.3.1Samplingconditions 11

8.3.2Sitesampling 11

9Testsampleandtestportionpreparation 12

9.1Apparatus 12

9.1.1Ventilatedoven 12

9.1.2Apparatusforsimpledivision 12

9.1.3Balance 12

9.2Procedure 13

9.2.1Sampledrying 13

9.2.2Sampledivision 13

AnnexA(informative)Procedureforpreparationofsamplesforchemicalanalysis 14

AnnexB(informative)Procedureforseparatingmixedinfills 16

AnnexC(informative)Samplingtodetermineiflocalgroundandsiteconditionsmayhave

influencedresultsobtainedoninfilltakenfromsyntheticturfsurfaces 19

Bibliography 21

iii

EN17409:2020(E)

Europeanforeword

Thisdocument(EN17409:2020)hasbeenpreparedbyTechnicalCommitteeCEN/TC217"Surfacesforsportsareas",thesecretariatofwhichisheldbyAFNOR.

ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyNovember2020,andconflictingnationalstandardsshallbewithdrawnatthelatestbyNovember2020.

Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.

AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganisationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,

Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Republic

ofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TurkeyandtheUnitedKingdom.

4

EN17409:2020(E)

1Scope

Thisdocumentspecifiestheminimumproceduresforthesamplingofperformanceinfillsusedwithinsyntheticturfsurfacestoverifycompliancewithtoxicology,environmentalandperformanceregulationsandstandards.

Foursamplingproceduresarespecified:

Method1specifieshowtotakesamplesduringproductionoftheinfillmaterial.

Method2specifieshowtotakesamplesfrombigbagsdeliveredtosite.

Method3specifieshowtotakesamplesfromsmallbagsdeliveredtosite.

Method4specifiesaprocedurefortakingsamplesfromasyntheticturf(e.g.sports,recreationalorlandscapingsurface).

Theproceduresspecifiedaresuitableforallformsofinfill.

2Normativereferences

Therearenonormativereferencesinthisdocument.

3Termsanddefinitions

Forthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.

ISOandIECmaintainterminologicaldatabasesforuseinstandardizationatthefollowingaddresses:

—IECElectropedia:availableat

/

-ISOOnlinebrowsingplatform:availableat

/obp

3.1

bigbag

flexiblecontainercapableofholding≥1m3(10001)ormoreofinfill

3.2

fieldsample

sampletakeninthefieldandfromwhichlaboratorysamplesareproduced

3.3

increment

sub-portionofmaterialextractedinasingleoperationbythesamplingdevice

3.4

infill

particulatematerialsusedtoinfillthesyntheticturfpiletoprovidesupportofthecarpetpileandtoaidtheprovisionoftherequiredperformancecharacteristicsofthesurface

3.5

laboratorysample

sampleorsub-samplesenttoorreceivedbythelaboratory

3.6

lot

definedquantityofinfillmaterialforwhichacharacteristicistobedetermined

3.7

sample

mixofalltheincrementstakenfromalot

EN17409:2020(E)

5

3.8

samplingtool

toolusedtoremoveaquantityofmaterial,greaterthanorequalto0,0003m33(0,3D),fromdifferentheightswithinabigbag

3.9

small-bag

flexiblecontainercapabletypicallyholding0,05m3(501)ofinfill

3.10

testportion

quantityorvolumeofinfillremovedfromthetestsampleforanalysispurposes

3.11

testsample

preparedfromthelaboratorysample,fromwhichthetestportionsareremovedfortestingorforanalysis

4General

Themethodofsamplingemployedshallbedesignedandcontrolledtoensurethatcontaminationoftheincrement,lot,sample,testportionortestsamplecannotoccur.

Whenlaboratorysamplesarebeingtakenforchemicalanalysisincrementsandsamplesshallbestoredincontainersthatareknowntonotinfluencetheresultsoftheanalysis.

NOTEMetalorglasscontainersareconsideredtosatisfythisrequirement.

Allequipmentshallbethoroughlycleanedbeforeuse.

5Method1-samplingduringproduction

5.1Samplingplan

Themainprincipleofsamplingistoobtainarepresentativesample(s)fromalotofmaterialfromwhichacharacteristicistobedetermined.Ifthelotistoberepresentedbyasample,theneveryparticleinthelotshallhaveanequalprobabilityofbeingincludedinthesample.

Whentheseprinciplescannotbeappliedinpractice,thesamplershalldefineajudgementalsamplingprocedurethatisdesignedtoensurethesamplingmatchesasfaraspossibletheoutcomesofprobabilitysamplingandnoteanylimitationsoftheprocedureusedinthesamplingplanandsamplingreport.

Obtainingsamplesthataretrulyrepresentativeofthematerialproducediseasierwhenthematerialisfallingormoving(forexampleonaconveyorbelt).Therefore,samplingfromfallingormovingmaterialshallbeundertakenwhereverpossible.

Asamplingplanshallbepreparedbeforesamplesaretaken.Thisshallincludeaspecificdefinitionofthelotsizeandthesizeandnumberofincrementstobetaken.

5.2Lotsize

Theminimumlotsizeshallbe10tandthemaximumlotsizeshallnotexceed120tofproduct.

NOTE1Alotsizeof120tisbasedonthetypicalquantityofinfillusedona60mmfullsizesyntheticturffootballfield.

Whendeterminedbytheproducerthelotsizemaybedefinedas:

a)afixedquantityproducedbetweenmachinesettings;

6

EN17409:2020(E)

b)afixedquantityinaproductionday/shift;

c)afixedquantity;

d)aquantityproducedinafixedtimeframe.

NOTE2Optiond)ismostappropriateforcontinuousproductionwithnobeginningandnoend.

5.3Samplingpointandapparatus

Basedonhealthandsafetyassessmentsandproducerequipment,afixedsamplingpointforthecollectionofsampleincrementsshallbechosenforeachmaterialfractiontobemonitored.Samplingshallbecarriedoutusingasampleboxorothersuitableequipment.

Thesamplingboxshallbepassedthroughthestreamoffallingmaterialsothatituniformlycutsthefullflowoffallingmaterial.Theboxshallbelargeenoughsothatitdoesnotbecomeoverloaded.Automaticsystemsfulfillingthesecriteriamayalsobeused.

NOTEAprocedureforpreparingsamplesforchemicalanalysisisgiveninAnnexA.

5.4Sizeofsampleincrement

Thesamplingboxshallhaveacapacityofnotlessthan0,51(0,0005m3).

Thesamplingoperatorshallrecordtheapproximatecapacityofthesamplingdeviceincubicdecimetres.

5.5Numberofincrements

Oneincrementshallbetakenper10tofproducedinfill,withaminimumoffourincrementsperlot.

Wheredailyorweeklyproductionquantitiesaresmall,thetakingofincrementsshouldbeincreasedtoensurethelotcomprisesatleastfourincrements.

6Method2-samplingfrombigbags

6.1Principle

Thelaboratorysampleiscreatedbymixingseveralincrementsremovedwithasamplingtoolfromatleastthreelevels,withatleastonelocatedoneachlevel,asspecifiedin6.3.

6.2Apparatus

6.2.1Samplingtool

Thistoolshallbedesignedtotakesamplesofdryorslightlycohesivewetmaterials,.Itshallbeshapedinsuchawaytoallowtheoperatortoreachdifferentheightsbysimplyscrewingthetoolintothebigbag.Itsopeningshallbewiderthanthreetimesthesizeofthelargestparticleexpectedtobepresentinthebigbag.

6.2.2Measuringflask

Containerofknownvolume;greaterthan11(0,001m3).

6.2.3Container

Containersshallbeusedtorecovertheincrements.

7

EN17409:2020(E)

6.3Procedure

6.3.1Sampling

Usingthesamplingrodtake,atleast,threeincrementsatdifferentheightsinaccordancewith6.3.2withinthebigbagasfollows:

1.Closethecontaineronthesamplingrod(seeFigure1):

Figure1-Samplingrod

2.Insertthesamplingrodintothebigbagandtwistinaclockwisedirectionfromthetopofthebigbag(seeFigure2):

Figure2-Rotatingsamplingrodinbigbag

3.Whenthesamplingdepthhasbeenreached,openthesamplingcontainerbyturningthesamplingrodintheoppositedirection.

4.Makethreefullrotationsinthesamedirectiontofillthecontainer.

5.Twistthesamplingrodincounter-clockwisedirectioninordertoclosethecontainer.

6.Pulloutthesamplingrodandemptyintothesamplingcontainer.

7.Repeatproceduretocollectincrementsinthemiddleofthebigbag,andthenatthebottomofthebigbag.

8.MergethethreeincrementsaccordancewithClause9.

8

EN17409:2020(E)

6.3.2Samplingheights

Takeincrementsfromdifferentheights.Atleastthreeincrementsshallbetakenatdifferentheights:

—P1:Atthetopofthebigbag(approximately20cmfromthesurface)

-P2:Inthemiddleofthebigbag

-P3:Atthebottomofthebigbag(approximately20cmfromthebottom)

Dimensionsincentimetres

Figure3-Positionofincrementsforthreeportions

Ifitisnotpossibletotakeincrementsinthecentreaxisofbigbag(seeFigure3)thensixincrementsshallbetaken,ontwooppositesidesofthebigbagatdifferentheights(seeFigure4).

Dimensionsincentimetres

Figure4-Positionofincrementsforsixportions

MergetheincrementsinaccordancewithClause9.

Ensurethecombinedincrementisequaltoorgreaterthan11(0,001m3).

9

EN17409:2020(E)

7Method3-samplingfromsmallbags

7.1Principle

Thelaboratorysampleiscreatedbymixingseveralincrementsremovedwithasamplingtoolfromseveralindividualsmallbags.

7.2Apparatus

7.2.1Samplingtool

Thistoolshallbedesignedtotakesamplesofdryorwetmaterialsbybeinginsertedintothesmallbag.ItshallbeshapedasshowninFigure5,toallowtheoperatortoreachdifferentheightsbysimplypressingonthetoolandintroducingitintothebig-bag.Itsopeningshallbewiderthanthreetimesthesizeofthelargestparticleexpected.

Thetoolshouldbepreferablyusedbyinsertingitthroughthebig-bag'sfabric,afterhavingmadean“X”shapedcut.Uponremoval,thebagshouldbesealedwithadhesivetape.

Figure5-Smallbagsamplingtool

7.2.2Container

Containerusedtorecovertheincrementsofknownvolume;greaterthan11(0,001m3)

7.3Sampling

7.3.1Numberofincrements

Forbagsdeliveredonpalettes,selectaminimumoffourbagsrandomlyandtakeoneincrementfromeachbag,ensuringthecombinedincrementisequaltoorgreaterthan11(0,001m3).

NOTEForinfillswithlowbulkdensities,morethanfourbagsmayneedtobesampled.

7.3.2Methodofsampling

Turnthebagonthefloorseveraltimes(mixingitsinternalcontent).

InsertthesamplingtoolintothesideofthebagasshowninFigure6.

10

EN17409:2020(E)

Figure6-Smallbag

Collecttheincrementwiththesamplingtoolfromthecentreofthebag,takingasmuchinfillaspossiblefromthewholedepthofthebag.Pulloutthesamplingtoolandemptyintothesamplingcontainer.

MergetheincrementsinaccordancewithClause9.

8Method4-samplingfromsyntheticturfsurfaces

8.1Principle

Thelaboratorysampleiscreatedbymixingseveralincrementsremovedfromthesyntheticturfsurfaces.

8.2Equipment

Thefollowingequipmentshallbeused:

—freshnitrilegloves;

—cleanmetalrake;

-samplingcontainers.

11

EN17409:2020(E)

8.3Procedure

8.3.1Samplingconditions

Samplingfromsportsfieldshavingareasofover4000m2shallbeundertakeninthesevenpositionsshowninFigure7.

Samplingfromsportsareashavingareasoflessthan4000m2shallbeundertakeninthreepositionsS1orS3,S2andeitherS4,S5,S6orS7showninFigure7.

Samplingfromnon-sportsareasshallbebasedontakingatleastthreeincrementsfromlocationsconsideredtoberepresentativeofthedifferentlevelsoftheareaused.

Figure7-Fieldsamplingpositions

8.3.2Sitesampling

Ateachsamplinglocationdefineasamplecollectionpoint,comprisinganareaofabout1m2.Ensuringtheoperativeiswearingfreshnitrilegloves,useasmallmetalraketopullouttheinfill,accordingtoitsapproximatelayerthickness,ensuringcontaminationoftheincrementfromanydifferentunderlyinginfillorsurfacedetritus,iskepttoaminimum.

Collectincrementsofnominallyequalvolumeateachlocation,ensuringanadequateamountistakentoproducealotofatleast(0,001m3)11.

Ifsamplesarebeingtakenfromafieldorsitetoenablechemicalanalysisteststobeundertaken,itisrecommendedthatsamplesofsoilfromareasnearbythefieldorsitearealsotakenandtested,todetermineifchemicalsfoundinthesubsequentanalysisarefromtheinfillorduetocontaminationoftheinfillandlocalenvironmentbyothersources.SeeAnnexCfordetails.

Whencollectedon-site,samplesmaycontainsandorothernon-infillmaterial.AprocedureforseparatingthematerialsisgiveninAnnexB.

EN17409:2020(E)

12

9Testsampleandtestportionpreparation

9.1Apparatus

9.1.1Ventilatedoven

Ventilatedoven,thermostaticallycontrolledtomaintainatemperatureof(70±5)℃,orothersuitableequipmentfordryingtheaggregates,ifitdoesnotcauseanyparticlesizebreakdown.

9.1.2Apparatusforsimpledivision

Ameansofundertakingdividingsampledivisionmethodsbasedononeofthefollowingapparatus:

Riflesplitter

Asamplesplitterhavingatleast12slotsandanevennumberwithadjacentslotsdirectingmaterialintotwodifferentsub-samples.Thewidthoftheslotsshallbeatleastthreetimesthenominaltopsizeofthematerialtoberiffledtopreventsamplebridging.SeeFigure8.

Figure8—Exampleofriflesplitter

Rotarysampledivider

Arotarysampledividerusedaccordingtoitsmanufacturer'sinstructions.Theinnerdimensionsoftheequipmentwherethesampleisfedintoitshallbeatleastthreetimesaswideasthenominaltopsizeofmaterialtobeprocessed.

9.1.3Balance

Ifrequiredbythetestmethodtobeundertaken,balancesorscalesaccurateto±0,1%oftestportionmass.

13

EN17409:2020(E)

9.2Procedure

9.2.1Sampledrying

Ifrequiredtodry,dosobyheatingtheincrementsatatemperatureof(70±5)℃toconstantmass.Allowtocool.

9.2.2Sampledivision

Mixtheincrementsthathavebeencollectedtogetherinacontainerofsuitablesizetoformasample.

Determinetherequiredmassorvolumeofthesamplelottoundertakethenecessarytestsoranalysis.Feedthesamplethroughthesampledivideruntiltherequiredsamplereductioniscomplete,takingintoaccounttheneedforduplicatetestportions,orextramaterialincaseswheretestsneedtoberepeatedbecauseofdoubtfulresults.

Thelaboratorysamplemayneedtobereducedtoatestsamplebeforeatestportionisproduced.

NOTEIfindoubt,thelaboratoryundertakingtheanalysiscanadvisethevolumeormassofthe

samplerequired.

14

EN17409:2020(E)

AnnexA

(informative)

Procedureforpreparationofsamplesforchemicalanalysis

A.1General

Performanceinfillmaterialscanbehighlyheterogeneousandthepreparationofreliabletestportionsforchemicalanalysisshouldbeperformedtoensuretherepresentativenessoftestresults.

Startingfromthelaboratorysample,afirststepofsub-samplingshouldbeperformedinsuchawaythattheobtainedsub-samplesareasmuchrepresentativeandhomogeneousaspossible,withrespecttotheinitialbatch.

Dependingonthetypeofanalysistobeperformed,thesizeofthetestportioncanbesufficienttocontainalargenumberofparticlesthatcontainsallofthecomponentsoftheinfillmaterialtobeanalysed.

Ontheotherhand,mostofthetestmethodsaimedatdeterminingtheconcentrationofcertainelementsarefitforverysmalltestportions,oftenthesizeofafewmilligrams.Alimitedquantityofmaterialmightnotcontainasufficientnumberorvarietyofparticlesthataretrulyrepresentativeoftheoriginalsample.Insuchacase,thecomminutionofasub-sampleisnecessarytoensuretherepresentativenessoftestresults.

A.2Testportionforelution

Typicalelutionteststhatareusedtocharacterizeperformanceinfillmaterials,suchastheDOC(dissolvedorganiccarbon)andheavymetalsinleachates,requiresamplemassesof100g.Inthiscasethetestportioncanbeeasilyobtainedbyusingarifflesplitter(seeClause9).

Moreover,theleachingofcertainelementsfromgranularmaterialsstronglydependsontheparticlesizeofthematerialanditsspecificsurfacearea.Becauseofthat,itisstronglyrecommendednottoadulteratetheparticlesizedistributionofinfillmaterialswhenasmalltestportion(lessthan20g)isrequiredbyanelutiontestmethod.Insuchacase,itishighlyrecommendedtoreplicatetheanalysisseveraltimesinordertotestnolessthan20gofinfillmaterial.

A.3Testportionforchemicaltesting

Chemicalmethodsbestsuitedfordeterminingeithertheelementalcompositionorthecontentofcertainsubstancesingranularmaterialsrequiretestportionswithmassesthatrangefromabout1mgto500mg.Whentheinfillmaterialisheterogeneous,suchalimitedquantityofmaterialcannotberepresentativeoftheentiresampleasthenumberofparticlesthatundergotheanalysiscouldnotcontainalltheinfill'scomponents.

Wheneverthemassofthetestportiontobeanalysedislessthan5g,thepreliminaryparticlesizereductionofarepresentativesub-sampleisrequired.

EXAMPLEThe

averageweightofagranulatewithparticlesizebetween2mmand3,5mmisaround10mg,

morethanthemass

ofthesmallesttestportionrequired,whileonly50granulateswouldbecontainedinthe

largesttestportion.

15

EN17409:2020(E)

Theinitiallaboratorysampleisfirstreducedbymeansofarifflesplittertoobtainasub-sampleofapproximately250g.Thesub-sampleisthenfrozenwithliquidnitrogenandgroundtoobtainfineparticlesoflessthan500μm,asfollows:

a)emersioninliquidnitrogen;

b)grindingbymeansofanultracentrifugegrinderorothersimilardevices;

c)drainingintothecollectionrecipient.If,whenproducinginfillmaterial,smallerparticleswithidenticalchemicalcompositionareproduced,andifstatisticalexperimentsshowthatanalyticalresultsaresimilartoresultsobtainedforthe"cryogenically"frozenandgroundinfillmaterial,thensuchsmallerparticlesmaybeusedasarepresentativesampleforthelargerinfillmaterial,providingsamplingcomplieswiththisdocument.

EN17409:2020(E)

16

AnnexB

(informative)

Procedureforseparatingmixedinfills

B.1General

Whencollectedon-site,samplesmaycontainsandorothernon-infillmaterial.Thisproceduredescribesawayofseparatingthesematerialsfromtheperformanceinfill(seeFigureB.1).Thematerialsareseparatedinawatersolution,usingthedifferencesofdensities.

B.2Equipment

Thefollowingequipmentisrequired:

—newnitrilegloves;

-cleanstoragecontainer(>5linvolume);

-cleanagitator;

-ifrequired,clearfluidwithdensity≥1,25g/cm3(e.g.calciumchloridesolution,glycerol,etc.);

-skimmerorsimilartool;

—oventodrysamples.

Dependingonthedensityoftheinfillmaterial.Thefluidmustnotchemicallyinteractwiththetestsample.

B.3Cleaning-separationprocedure

B.3.1Preparationofwatersolution

Inacontainer,pourthefluid.Ifsomeformofsaltsolutionisbeingused,mixuntiltotaldissolutionofthesaltoccurs.

B.3.2Separationofinfillandnon-infillmaterials

Pourtheinfillsampleinthecontainerwithfluid.Mixthesample.Waituntilthefluidinsidethecontainerbecomesclearagain.

Usetheskimmerorsimilartooltocollecttheupperfractionofinfillmaterial.

Discardthelowerfractionofinfillmaterial,whichisgenerallycomposedofinorganicmaterials(sand).

B.3.3Cleaninganddrying

Cleantheseparatedinfillsamplewithwaterusingasuitablecontainer,ensuringinfillwithsmallerparticlesizesarenotwashedaway.

Aftercleaning,drythesampleinanoven,forexampleat50℃or70℃.

Thecleaninfillsampleisthenavailableforfurtheranalysis.

EN17409:2020(E)

17

a)

b)

c)

EN17409:2020(E)

18

d)

FigureB.1-Separationofperformanceinfillfromothermaterials

EN17409:2020(E)

19

AnnexC

(informative)

Samplingtodetermineiflocalgroundandsiteconditionsmayhaveinfluencedresultsobtainedoninfilltakenfromsynthetic turfsurfaces

C.1General

Thisannexdescribesdifferentoptionsthatcanbecarriedouttoassessiftheresultsofanalysisoninfillsamplestakenfromfieldsandsitesareaffectedbypollutantsfromtheairorsurroundingground.

C.2Samplingoftheground/soilaroundafield

Assessingthepossiblecontaminationofnaturalsoilareasaroundtheperimeterofasyntheticturf

fieldcanassistindeterminingiftheaccumulationofexternalpollutantshavecontaminatedtheinfill

materialinthesyntheticturffield.

Beforecarryingoutasoilsamplingprogram,itisimportanttoverifythepresenceofenoughareasofnaturalsoilaroundthefieldandthesuitabilityofthesoil/groundinrelationtotheproposedsamplingprogramme.

Thetotalareatobesampledshouldbepreferablyatleast60m2

Duringthedesignofthesamplingprogramme,alistofparameterstobedeterminedshouldbepreparedsincethiswillinfluencethesamplingproceduretobeusede.g.thesamplecontainers,thesamplequantity,thepreservationprocedurestobeadopted,handling,trans