Document LKQ5O74DnEnpJvajvBEqqRQXq
.
AR AE _ 0738
EFFECT OF DEGRADATION ON FOAMING
TEST SUBSTANCE
Identity: A mixture containing perfluorooctanesufonate, which may also be 2re0f3erNrFedP.to (a1s-OPcFtOaSne,suFlCf-o9n5i,c oarciads) a(CcAoSmp#o2n7e9n5t-3o9f-3F)C.-203A or FC-
Remarks: The 3M production lot number was not noted. The test sample sisubFsCt-a2n0c3eA,. 25Cu%rdrieentthyilnefnoermgaltyicoonlibnudtiyclateetsheirt,is6a7.m8ix5t%urweatoefr,1.23.46%6%tesStultone tfoolaymlterri,az3ol%e.sodium octyl sulfate, 0.1% sodium lauryl sulfate, and 0.05%
cThhaerafcotlelroiwiznegd
csounmcmenatrryataipopnlsieosf
tiompaurmiitxiteusr.e
with
Data
minacyomnpoltetaeclcyurately
reflect the effects on foaming.
ofthe
fluorochemical componoefnthtetestsample
METHOD
Method: Experiment OECD 301E
in
conjunction
with
Modified
OECD
Screening
Test,
YGeLaPr:CoNmopleted: 1980
Analytical monitoring: Foam height vs. time
Statistical methods: height after shaking.
Results were
determined by calculation of the foam
wTeasstuosregdainnitshme sboiuordecger:adAat5i0o:n5t0esmti.xoTfhseoisleceoxtnrdaacrtyaenfdflsueenctowndaasryPiegfsflEuyenet
mixed liquor, while the soil was from E.A. Reiners garden.
Test condition: Dilution water: Nutrient solution
cRoelfleercteendcferaonmdttheesetnsdoolfutthioen28p-redpaayrMaotdiiofni:edOOEECCDDtessctrceuelntiunrge test. -
iSnabmepgliensnidnigluotfed28wi-tdhaynuMtordieinftiesdolOutEioCnDtoscsraemeenicnogntceesnt.traVtiailosnscaapspuesded
and shaken vigorously by hand for 30 seconds.
TNeusmtbveerssoeflsc:onc#e4ngtlraastsiovinasl:s
(4-1/2in.).
Sample from
the
28-day
biodegradation
Tteesmt,pefrreasthulryep:repNaortegdivseonl.utionsofidentical concentration, and blank. rr
Total suspended solids and pH on day of testing: Not given.
Element Basis: Measured foam height
RESULTS
000966
Nominal concentrations: Blank, freshiy-prepared solution, solution from 28 dEalyemteesnt.t vTaelsutesma:teriFaloacomncheenitgrhatt(i3o0nosfece.a)c=h 1a5t m~ m28(0frmegs/hLs.olution)
FFooaamm hheeiigghhtt ((3300 sseecc..)) == 510mmmm(s(oblluatniko)n from biodeg. test)
Remarks: Testing was conducted on the mixture as described in the Test Substance Remarks field. The values reported apply to that mixture and not the fluorochemical proportion alone.
CONCLUSIONS
Microbial metabolic activity reduces the ability of the test substance to foam.
`PSauulb,miMtitnenre:sot3aM, C5o5m1p3a3ny, Environmental Laboratory, P.O. Box 33331, St.
DATA QUALITY
Rmeeltiahboilditfyo:llKoiwiemdi.scThhreanskaimnpgl=e 3p.uriSttyuwdayslancoktspdreospcerrilpyticohnaraancdterreiczoerddasonfdtthhee sintutdhye lsoalcuktsioann.alytical confirmation of the amount of fluorochemical proportion
REFERENCES
The studies were conducted by the St. Paul, MN, Lab Request number
355M41CSo,mp1a98n0y.,
Environmental
Laboratory,
OTHER
Last changed: 6/28/00
000967
Internal Correspondence cc: DD.. LR.. BRaiccokne/rR.- L5.3-4BNohon - 21-2 (58)
To J. A. PIGNATO - COMMERCIAL CHEMICALS DIVISION - 236-2A
Fom E. A. REINER -- ENVIRONMENTAL LABORATORY (EE&RC) - 21-BW (63) Sect. EFFECT OF BIODEGRADATION ON FOAMING OF "LIGHT WATER" oun
Oule AUGUST 6, 1980
TIenstcoonnju$nCc=t2i0o3n,wiFtCh-20t6h,e OaEndCDEMC-o3d0i1f7i,edaBisoiddeegrsatduadtyiownasScdroneeening ~ fthoaatmipngrovoifde"dLIdGaHtTaWAoTnERt"heperofdfuecctts.of biodegradation on the
wAafsterpou2r8eddayisntoofseipnacrubaatteio#n4, (4251m/l2")ofgelaacshs OvEiaClDs.testTheculvtiuarles
wfeoraen hcaepipgehdt,mesahsaukreend.vigToarboluesly1 bcyomphaanrdesfotrhe30ressueclotnsdso,f atnhdesethe
W2A8TEdRa"y oslodlutciuolntsureosf wiidtehntitchaolsecoofncefnrtersahtliyonp.repaArlesdo c"oLmIpGaHrTed in
wtihtihs t40a0blemg/alreHg28Clad.ay old "LIGHT WATER" solutions kept sterile
Table 1 - Foam Height After 30 Seconds of Vigorous Shaking
F28C0-20ng/; 4F2C5=20m6g/1 F21C0-30m1g7/1
Fresh Solution
15 mn
20 mm
12 nm
AfBtieorde2g8raDdaaytsion
5 mm
7 mm
2 mn
BgCFloyr S2t8abDiaylsized
10 mm
15 mm
10 mm
Tahcetsievitryesurletdsuccelseatrhley adbeimlointsytroafte"LtIhGaHtT
microbial metabolic WATER" products to
cfuoasmt.omerTheisnequdiarteas maabyoutprotvhee utsreefautlabiinlirteyspoofndtihnegsetoprofduutcutrse.
Pcloenacseernicnagll tmheisonin7f7o8r-m5at0i7o9n.if you have any questions
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