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Soil Generic Assessment Criteria for Human Health Risk ... - ESdat

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www.esdat.net Esdat Environmental Database Management Software +61 2 8875 7948<br />

Antimony CASNumber: 7440360 AssessorA: AndreasNeymeyer,<br />

BuroHappold<br />

AssessorB:<br />

MikeRogers,<br />

OPUSJOYNES<br />

PIKELtd<br />

Finalreview:<br />

Panel/SF<br />

Date 16/04/2009 Date 16/04/2009 Date 26/08/2009<br />

Oral Dermal Inhalation CombineOral<br />

andInhalation<br />

TDIs<br />

Justification<br />

ApplyTDIoraltoexposureroutes<br />

ApplyIDoraltoexposureroutes<br />

Yes Yes No<br />

No No No<br />

Nodatatoindicatecarcinogenicitybytheoralroute.<br />

TDIoralappledtooralanddermalexposures.<br />

ApplyTDIinhtoexposureroutes<br />

ApplyIDinhtoexposureroutes<br />

No No Yes<br />

No No No<br />

Yes<br />

Someevidence<strong>for</strong>thecarcinogenicityofcertain<br />

antimonycompoundsbyinhalation;however,nodata<br />

toderiveahealthcriteriavalue<strong>for</strong>cancerrisk.TDIinh<br />

appliedtoinhalationexposures.<br />

TDIoral<br />

Recommended<br />

TDIoral<br />

Units<br />

Justification<br />

6 ug.kg1.d1<br />

TDIassuggestedbytheWHOandFSA.Notethatthelower<strong>Health</strong>Canadavalue(0.2ug.kg1.d1)isbasedonaNOAELof0.06mg/kgofbodyweightperdayproposedbyPoonetal.(1998).ThisNOAELwasquestionedbyLynchetal.(1999)whopreferredaNOAELof6.0mg/kgof<br />

bodyweightperday,whichhassubsequentlybeenusedbytheWHOandFSA.<br />

ggg<br />

Organisation WebLink LastUpdated DateWebChecked <strong>Health</strong>criteriatype Value InitialUnits CLEAunitsug.kg Confidencerating Basis Value Units UF UFdescription Studytype Description Targetorgan/CriticalEffect<br />

1.d1<br />

FoodStandardsAgency(FSA) http://www.food.gov.uk/ 2003 27/03/2009 TDI 6 g/kgbw/day 6 NOAEL 6 mg/kgbody<br />

weightperday<br />

Effectsofantimonyonratsfollowing90day<br />

exposureviadrinkingwater<br />

1000 100<strong>for</strong>interandintraspecies animal(rats)<br />

variation,10<strong>for</strong>theshortdurationof<br />

thestudy<br />

Animalstudies:decreasedlongevityandaltered<br />

bloodlevelsofglucoseandcholesterol,reversible<br />

lossofbodyweightgain,subtlehistopathological<br />

changesinthyroids(increasedepithelialheight,<br />

decreasedfollicularsize)<br />

<strong>Human</strong>s:vomiting,nausea,abdominalcrampsand<br />

diarrhoea,opticnervedestruction,uveitidesand<br />

retinalbleeding,accompaniedbyheadache,<br />

coughing,anorexia,troubledsleepandvertigo<br />

Antimonycontainingcompoundsmayalsoproduce<br />

alterationsincardiacfunctionandautopsystudies<br />

haveshownthatcardiactoxicitywasthecauseof<br />

deathinpatientstreatedwithantimonialdrugs.<br />

Thereisnoin<strong>for</strong>mationontheoralcarcinogenicityof<br />

antimonyandcompoundsinhumans.However<br />

basedoninhalationdatainratsandinvitrodata,the<br />

IARCconcludedthatantimonytrioxideispossibly<br />

carcinogenictohumans(Group2B),andantimony<br />

trisulfideisnotclassifiableastoitscarcinogenicityto<br />

humans(Group3)<br />

WHOGuidelines<strong>for</strong>drinkingwaterQuality<br />

http://www.who.int/water_sanitation_healt<br />

h/dwq/guidelines/en<br />

2003 27/03/2009 TDI 6 g/kgbw/day 6 NOAEL 6 mg/kgbody<br />

weightperday<br />

1000 100<strong>for</strong>interandintraspecies animal(rats)<br />

variation,10<strong>for</strong>theshortdurationof<br />

thestudy<br />

Effectsofantimonyonratsfollowing90day<br />

exposureviadrinkingwater<br />

<strong>Health</strong>CanadaToxicologicalValues http://www.hcsc.gc.ca/index_e.html Aug1999 27/03/2009 TDI 0.0002 mg/kgbodyweight<br />

perday<br />

0.2 3 NOAEL 0.06 mg/kgbody<br />

weightperday<br />

300 ×10<strong>for</strong>intraspeciesvariation;×10<strong>for</strong><br />

interspeciesvariation;and×3<strong>for</strong>the<br />

useofashorttermstudy<br />

animal(rats)<br />

Effectsofantimonyonratsfollowing90day<br />

exposureviadrinkingwater<br />

TDIinhal<br />

Recommended<br />

TDIinhal<br />

Units<br />

Justification<br />

0.057<br />

ggg<br />

<strong>Health</strong>criteriacalculatedfromRfCassuggestedbyIRIS.Calculationper<strong>for</strong>medinlinewithSC050021/SR2<br />

Organisation WebLink LastUpdated DateWebChecked <strong>Health</strong>criteriatype Value InitialUnits CLEAunitsug.kg Confidencerating Basis Value Units UF UFdescription Studytype Description Response<br />

1.d1<br />

USEPAIntegrated<strong>Risk</strong>In<strong>for</strong>mationSystem<br />

(IRIS)<br />

http://epa.gov/iris/ 09/01/1995 12/08/2009 RfC 0.0002<br />

mg/m 3 0.057 Medium Study&Database 0.07 mg/kgbody<br />

weightperday<br />

(0.0002mg/m 3 x<br />

20m 3 /day/70kg(bw)<br />

=0.00007<br />

mg/kgbw/day)<br />

300 Anuncertaintyfactorof10isused<strong>for</strong> animal(rats)<br />

theprotectionofsensitivehuman<br />

subpopulations,3isused<strong>for</strong><br />

interspeciesextrapolationbecausethe<br />

dosimetricadjustmentsaccount<strong>for</strong><br />

partofthisareaofuncertainty,3is<br />

applied<strong>for</strong>databaseinadequacies.An<br />

additionalthreefolduncertaintyfactor<br />

toaccount<strong>for</strong>alessthanlifetime<br />

exposuredurationisapplied.Thisis<br />

lessthanthe10folduncertaintyfactor<br />

normallyappliedtoadjustfrom<br />

subchronic(90day)tochronicstudies<br />

becauseexposureslasted<strong>for</strong>1full<br />

year.<br />

Chronicstudyinwhichgroupsofratswere<br />

exposedtotargetconcentrationsof0,0.05,<br />

0.50,or5.00mg/m 3 antimonytrioxide<strong>for</strong>6<br />

hours/day,5days/week<strong>for</strong>1year.<br />

"Microscopiclesionsofthelungsrevealedinterstitial<br />

inflammationincontrolandexposuregroupsatthe<br />

endof6,12,18,and24months. Granulomatous<br />

inflammationandgranulomaswereobservedinall<br />

exposuregroupsat18and24months.Anincreasein<br />

thenumberofalveolarandintraalveolarparticle<br />

ladenmacrophageswasobserved(ateveryexposure<br />

duration)inallbutthecontrolgroups."<br />

WHOGuidelines<strong>for</strong>drinkingwaterQuality<br />

http://www.who.int/water_sanitation_healt<br />

h/dwq/guidelines/en<br />

"Althoughthereissomeevidence<strong>for</strong>thecarcinogenicityofcertainantimonycompoundsbyinhalation,therearenodatatoindicatecarcinogenicitybytheoralroute."Therealsoappearstobenodataavailabletoderivea<br />

guidancevalue<strong>for</strong>inhalationexposure.<br />

IDoral<br />

Organisation WebLink LastUpdated DateWebChecked Nonthreshold<br />

effects<br />

IDinhal<br />

Organisation WebLink LastUpdated DateWebChecked Nonthreshold<br />

effects<br />

Recommended<br />

IDoral Units Justification<br />

Althoughthereissomeevidence<strong>for</strong>thecarcinogenicityofcertainantimonycompoundsbyinhalation,thereisnodatatoindicatecarcinogenicitybytheoral<br />

n/a<br />

ggg<br />

route.<br />

Basis<br />

<strong>Health</strong>criteria Value Units Confidencerating<br />

Basis<br />

Studytype Description Response<br />

type<br />

Recommended<br />

IDinhal<br />

Units<br />

Justification<br />

n/a<br />

Nodata<strong>for</strong>inhalationIndexDose<br />

ggg<br />

Basis<br />

<strong>Health</strong>criteria Value Units Confidencerating<br />

Basis<br />

Studytype Description Response<br />

type<br />

Page 1 of 4<br />

EIC pro<strong>for</strong>ma antimony.xls 17/11/2009

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