Document MGErQ8Zy91EmpMn7BVyGNvOoV

CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company Voluntary Use and Exposure Information Profile Perfluorodecane sulfonate 1. CHENUCAL IDENTIFICATION Chemical Name: CAS Number: Perfluorodecanseulfonat(ePDSF) 335-77-3(acid) 67906-42-7(ammonium salt) Il. COMTANY IDENTIFICATION Company Name: 3M SiteLocation: 10746InnovatiRoonad CottageGrove,MN 55016 TechnicalContact: W.A. Weppner Phone: 651/733-6374 Address: 3M Center,Building236-lB-10 St.Paul,MN 55144 IR. ON-SITE ACTIVITIES CAS # * Mfz. (1997) 335-77-3 0 67906-42-7 0 Estimate the amount of subject chemical distributed off-site: Imported 0 0 % of manufacture/import *Tbese materialsare not produced during POSF (CAS #307-35-7) manufacture. Manufacturing did not occurin 1997 but didoccurinl998 and 1999 at< 100,000lbs. Ifyou have alreadyprovided the above informationto EPA and itisstilrlepresentativeplease referencethatsubmission here: CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company NarrativeDescriptionand ProcessFlow Schematic: PerfluorodecanseulfonateasresynthesizevdiatheSimons Electro-ChemicaFlluorinatio(nECF) process.The startinfgeedstockforthisreactionisDecane SufonylFluoride ClOH2lSO2F + 21 HF Energy -------->- ECF C8Fl7so2F + 21H2 PDSF isnot itselfa commercially viableproduct,but isused as an intemiediatein themanufacture forPerfluorodecanesulfonates.The perfluorodecanesulfonicacidismanufactured by hydrolyzing perfluorodecanesulfonylfluorideto the corresponding sulfonicacid in batch reactors.The saltsare manufactured by base neutralizatioonf theacid to the saltin a separatereactor.The low sales volume and reactoravailabilitdyictatean infrequentproduction schedule forthese chemicals. CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company 3 The followingblock flow diagram describesthe processdiscussedabove. BLOCK FLOW DIAGRAM Electro-ChemicaFlluorinatioCnells (Decanesulfonylfluoride+ BF + electricaelnergy) Perfluorodecanseulfonylfluoride Secondary Reactors Hydrolysis& Base Neutralization Perfluorodecanesulfonicacid And varioussaltforms CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company 4 IV. SITE RELEASE AND TRANSFER INFORMATION FOR TRI CHEMICALS Not applicable. V. SITE RELEASE AND TRANSFER INFORMATION FOR NON-TRI CHEMICALS While analyticmaelthodshave improvedovertime,largevariabilisttyilelxistfsorcertaimnatrices and compounds, so dataavailablfeorthisreportismostlyof a qualitativneature.Although limited monitoring data exists,most emission and waste estimatesare based upon process models and engineeringcalculations.Engineering calculationsh,owever, have limitationswith respectto fluorochemicalsbecause fluorochemicallosseswere not always includedin theanalysisof each intermediatestep. The accuracy of the emissions data submitted variesdue to severalfactors.Batch process systems aredifficulto measure due to quickly changing process conditions,ventingpressuresand difficulty in isolatingprocessesto take-measurements. Additionally,the unique characteristicosf these compounds cause them to behave differentlfyrom conventionalcompounds, and physicalchemical data propertiesare not availablefor allintermediatereactionstepsin the past. A. ON-SITE AIR RELEASES Cottage Grove, MN Engineering calculationsand models of process vent emissions are used for estimates. Existingprocess emission informationshows only minor lossesthrough point source vents. Fugitiveemissions may have occurred during some handling stepsbut have not been quantified. Estimated Total Annual Releases (Ibs.) Estimated % days/years Accuracy of releaseoccurs Estimate (optional) Fugitive (non-point) Stack (point) No dataavailable. <I Comments: B. WATER RELEASES FROM SITE Cottage Grove, 1000 pounds of PDSF were estimateddischarged to the wastewater treatment system in 1998. No dataisavailablefor 1997. The levelof thiscompound discharged,based upon behavior of POSF in Decatur,isbelievedto be closeto zero (<I% of totaldischarge). Continued improvements in reducing materialto theriverarebeing undertaken by a wastewater emission reductionteam and engineersatthe facility. Estimated Total Estimated % CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company 5 Annual Releases Accuracy of (lbs.) Estimate(optional) Water releases: <10 Number of days/year release occurs: 6/year ReceivingWater Name: Mississippi NPDES Number: MN00001449 Comments: C. ON-SITE LAND RELEASES Cottage Grove, MN Estimated Total Annual Releases Obs.) Estimated % Accuracy of Estimate (optional) Landfill 0 Land Treatment/Land Amendment 0 Surface Impoundments 0 Underground Injection 0 Other (specify): Comments: D. OFF-SITE TRANSFERS Cottage Grove, MN Process wastewaters are managed in an on-sitewastewater treatmentfacilityand are not sent to the POTW. Dl. TransfertoPubliclyOwned TreatmentWorks (POTW) Number ofdays/yearthereleaseoccurs: Annual Transfer(lb): 0 Estimated% Accuracy ofTransferEstimate(optional) POTW Name: StreetAddress: City: State: NPDES Number: Country: Zip Code: Comments: CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company 6 D2. TRANSFERS TO OTHER OFF-SITE LOCATIONS General Waste Information: There is limited information by CAS number for compound specificreportingand off-sitteransfercsannot be readilyverifiedR.ather,wastes are classifiebdy halogen content,regulatorywaste codes,physicalpropertiesand non-specific fluorochemicalcategoriesW.here wastes aretrackedby CAS number, the amounts have been included.Incineratioinsnow theprimary disposalmethod forthesewastes. CottageGrove, MN CottageGrove facilituytilizeisncineratiofnoralltheirdrummed wastes. Sludge from the CottageGrove facilitiyssentto an industriallandfill. Estimated Total Annual Releases Obs.) Estimated % Accuracy of Estimate (optional) Incineration: 2,100 Wastewater Treatment 0 (Excluding POTW) Underground Injection 0 Hazardous Waste (RCRA 0 SubtitleC) landfill Other Landfill 0 Recycle or Recovery 0 Unknown or Other Comments: CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company 7 VI. ON-SITE WORKPLACE EXPOSURE (335-77-3) ThisinformatiownillassisEtPA incharacterizitnhgenumber ofworkerspotentialleyxposed and themagnitude,frequencya,nd durationofpotentiaelxposure.When providing monitoring data, ensure that data islinked with worker activitiedsescribed in question 2. 1. Estimate the number of workers potentiallyexposed routinelyto the subject chemical for each of the exposure duration times. If a worker isinvolved in more than one activity,enter only his/her most typical activityin the table. Don't count a worker more than once. The totalnumber in the table should equal the totalnumber of workers potentiallyexposed. Hours/Day <10 <.25 4 .25-1 4 1-8 4 >8 Days/Year 10-100 8 100-250 8 4 >250 2. Describe the routine worker activitiesto which the workers in question 1 are exposed: sampling, removal of filtercake, and drumming of liquids,manufacture an article,etc. For these activities,describe the physical state of the subject chemical (liquid,gas, particulate, or aerosol, etc.)and, ifin a mixture, the chemical's concentration: The chemical (335-77-3) isa produced in an aqueous slurry,drained into drluns. The material is vacuum charged as an aqueous slurryto produce othermaterials.Employees take quahty samples during the process. The liquidproduct contains33-43% 335-77-3. CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company 8 3. Provide industrial hygiene monitoring data, ifavailable, with a brief description of the sampling method and exposure scenario monitored, e.g., describe the specific worker activities performed by the individuals monitored. For privacy considerations, please do not include any personal identifiers such as a worker's name or social security number with any data submitted to EPA. T'here is no chemical-specific personal industrial hygiene monitoring data or area/source monitoring data forthisspecificmaterialatthisfacilityF.or most areas of the facilityr,ecent qualitativeassessment of potentialexposure to thismaterialunder 3M's ongoing industrial hygiene program indicatesa low exposure potentialto thismaterial. Each 3M plantthatproduces sulfonatedfluorochemicalshas an industriahlygieniston staffand is supported by a corporateindustriahlygiene group. 3M's industriahlygiene program focuseson task-basedexposure assessment and control.Exposures are identifiedand assessedqualitatively and/orquantitatively.Qualitativeassessmentsare performed by an industriahlygienist. Quantitativeassessments include task-basedpersonalsampling forcertain,specific fluorochemicalsand/or source or area sampling. The resultsof the assessments support decisions on exposure control.Engineering controlsarepreferred,but personalprotectiveequipment may be used on an interimbasisor when effectiveengineeringcontrolisnot feasible. 4. Brieflydescribe the engineering controlsused to minimize exposure to thischemical: Local exhaust ventilationisused atthe drum tops during charging and drumming. 5. Brieflylisthe personalprotectivequipment your workers regularlywear to prevent exposure of thischemical: During sampling,employees wear fullfaceshieldsr,ubber suitsand boots,and PVC gloves. During chargingand drainingemployees wear eitherfullface suppliedairrespiratorsor full facepieceOVAG air-purifyinrgespiratorsb,utyl gloves,and rubberjackets. Comments: desired.) (Thissectionisavailableto clarifytheresponses given. Attach additionalpages if CAS Number 335-77-3(acid&) 67906-42-7(ammonium salt)3M Company 9 VI. ON-SITE WOREPLACE EXPOSURE (67906-42-7) ThisinformatiownillassisEtPA incharacteriztihnegnumber ofworkerspotentialelxyposed and themagnitudef,requencya,nd duratioonfpotentieaxlposureW.hen providing monitorindgata,ensurethatdataislinkewdithworkeractivitdiescribeidnquestio2n. 1. Estimattehenumber ofworkerspotentialelxyposedroutineltyothesubjeccthemicaflor each of the exposure durationtimes.Ifa worker isinvolvedin more than one activitye,nter only his/hermost typicalactivitiyn thetable.Don't count a worker more than once. The totalnumber inthe tableshould equal the totalnumber of workers potentialleyxposed. Hours/Day <10 <.25 4 .25-1 4 1-8 4 >8 Days/Year 10-100 8 100-250 8 4 >250 2. Describe the routine worker activitiesto which the workers in question 1 are exposed: sampling, removal of filtercake, and drumming of liquids,manufacture an article,etc. For these activities,describe the physical state of the subject chemical (liquid,gas, particulate, or aerosol, etc.)and, ifin a mixture, the chemical's concentration: The chemical (67906-42-7) isa produced in an alcohol-aqueous solution,drained into drums. Employees take qualitysamples during theprocess. The liquidproduct contains25% 67906-42-7. 3. Provide industrialhygiene monitoring data, ifavailable,with a brief description of the sampling method and exposure scenario monitored, e.g.,describe the specificworker activitiepserformed by the individualsmonitored. For privacy considerations,please do not include any personal identifiersuch as a worker's name or socialsecurity number with any data submitted to EPA. There isno chemical-specificpersonalindustriahlygiene monitoring data or area/source monitoring data forthisspecificmaterialat thisfacilityF.or most areasof the facilityr,ecent qualitativeassessment of potentialexposure to thismaterialunder 3M's ongoing industrial hygiene program indicatesa low exposure potentialto thismaterial. CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company 10 Each 3M plantthatproducessulfonatedfluorochemicalhsas an industriahlygieniston staffand is supportedby a corporateindustriahlygienegroup. 3M's industw hygieneprograinfocuseson task-basedexposureassessmentand control.Exposures areidentifieadnd assessedqualitatively and/orquantitativelyQ.ualitativaessessmentsareperformedby an industriahlygienist. Quantitativaessessmentsincludetask-basedpersonalsampling forcertains,pecific fluorochemicalasnd/orsourceor areasampling.The resultosf theassessmentssupportdecisions on exposurecontrol.Engineeringcontrolsarepreferredb,utpersonalprotectivequipment may be used on an interimbasisor when effectivengineeringcontrolisnot feasible. 4. Brieflydescribetheengineerincgontrolussedtominimizeexposuretothischemical: Localexhaustventilatioinsused atthedrum topsduringchargingand dnmuning. 5. Brieflylisthe personalprotectivequipment your workers regularlywear to prevent exposure of thischemical: During sampling,employees wear fullfaceshieldsr,ubberjacketsand boots,and PVC gloves. During drainingemployees wear fullfacepieceOVAG air-purifyirnegspiratorbsu,tylgloves,and rubberjackets. Comments: (This sectionisavailableto clariftyhe responsesgiven. Attach additionalpages if desired.) CAS Number 335-77-3(acid)& 67906-42-7(ammonium salt)3M Company Vil. CHEMICAL END USES A. END USE AS AN INTERMEDIATE CONSUMED TO MAKE OTHER CHEMICALS Al. On-SiteUse as a Intermediate: Perfluorodecanseulfoniaccid(CAS #335-77-3)isusedasan intermediatteomake perfluorodecanseulfonatea,nimonium salt(CAS #67906-42-7). Product chemicalclass or product chemical (IncludeCAS number ifappropriate) 1. Perfluorodecanseulfonatea,mmoniwn salt % oftotal volume of subject chemical manufactured or imported 50 As reported inPart III,p.2 A2. Off-SiteUse as an Intermediate Product chemicalclass or product chemical (IncludeCAS number ifappropriate) % of total volume of subject chemical manufactured or imported 1. Not Applicable CAS Number 335-77-3(acid&) 67906-42-7(ammonium salt)3M Company 12 B. END USES OTHER THAN AS A CONSUMIED INTERMIEDIATE Use Number 1 of 2 Descriptionof Chemical End Use: Chemical formulatorsuse thischemicalasa surfactant toimprove wettingand levelingof productssoldas floorpolishes.Janitoriaslervicefirmsare the end users. Percentoftotalmanufacturedor imported volume going to thisuse: 10 2 Check allphysicalformsof the chemical during thisuse: Ifused in a mixture check appropriatebox to indicateweight fraction.Average values are acceptable: X <1% (0.01-0.02%) 1-30% 30-60% 60-90% >90% Aerosol Dry Powder Pelletsor largecrystals Water or solvent- wet solid Gas or vapor X Liquid solution Other (Explain) Use Number 2 of 2 Description of Chemical End Use: Chemical formulatorsuse thischemical as a surfactant to improve wetting and levelingof productssoldas floorpolishes.Janitoriaslervicefirms are the end users. Percent of totalmanufactured or imported volume going to thisuse: 40:k 5 Check allphysicalforms of the chemical during thisuse: Ifused in a mixture check appropriatebox to indicateweight fraction.Average values are acceptable: X <1% (0.01-0.02%) 1-30% 30-60% 60-90% >90% Aerosol Dry Powder Pelletsor largecrystals Water or solvent- wet solid Gas or vapor X Liquid solution Other (Explain)