Document MMnprZg399bVY6442K6pLJYnV
AR 226 -- 0402
ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA)
TEST SUBSTANCE
Identity: rAefmeirxrteudretocaonstaPiFnOiSng, pFeCr-f9i5uo,roorocatsanaescuolmfponoanteen,twhoficFhC-m3a0y41a.lso(1b-e Octanesulfonic acid) (CAS # 2795-39-3).
3R0e4m1ar(kcsc :809-1T).he C3uMrrpernotdiuncftoiromnatloitonnuimndbiecratweassit2is30a0m.iTxthueretoesft6s%amPplFeOSis,F3C6-% doicteytlhyslulefnaeteg,ly0c.ol55b%utyslodetihuemr,la3u6r.yl0s6u%ifwaattee,ra,n1d20%.4S%ulttoolynletrfioaazomleer., 9% sodium
cThhaerfaocltleorwiiznegdscounmcmeantrryataipoplniseosftiompaurmiitxiteusr.e Dwaittha imnacyomnpoltetaeclcyurately reflect the toxicofitthye fluorochemical component of the test sample.
METHOD:
Method: Not given
GTyLpPe:: NSotatic acute Year completed: 1981 . SSpupepcliieesr:: DRaapnhdniMacNmeaigllnya Analytical monitoring: Temperature, pH, and dissolved oxygen. TEexsptosourrgeanpiesrmioadg:e:48-<h2o4urhsours old Statistical methods: LCso values calculated using the moving average angle
Tmeetshtocdo.nditions: Dilution water:
Carbon-fitered well
water,
St.
Paul,
MN
DilutioHnawradtneerssc:hemistr2y5:3 mg/L as CaCO;
Alkalinity: ~~ 221 mg/L as CaCO
SLitgohctkinagn:dNtoetstgsivoelnu.tion preparation: A 5000 mg/L primary stock solution was
Aplrieqpuaortesdwbeyreditluhteinngad5d00edmdgiorefcttelysttosduiblsuttiaonncweaitner10in0tmhLeotfestdivleustsioenlsw.ater.
Exposure vessels: 250 mL beakers containing 200 mL exposure solution and a
sNoulumtbieonrdoefptrhepolif6cactems.: 2
-
NNuummbbeerr ooff dcaonpchennitdrsatpieornsr:eplfiicvaetpel:us2a0 blank control
Water cphHemriasntgrey(d0u4r8inhgoutrhse):study:
88..00-88..11((1c0on0t0roml ge/xLpoesxuproes)ure)
002902
TDeimspsoelrvaetduroexyrgaennger(a0n-g4e8 (h0o-u4r8s)h:our1s8)-:20 C 74..90--99..33 mmggl/LL ((c1o0n0t0romlge/xLpoesxuproes)ure)
RESULTS
Nominal concentrations: Blank control, 65, 100, 155, 240, and 370 mg/L.
Element values: 48-hour LCso = 269 (242 ~ 276) mg/l.
Element values based on nominal concentrations.
Remarks: Substance
TReestmianrgkwsafsielcdo. nTduhcetveadlouensarmeipxotrutreed
as described apply to that
in the Test mixture and
not
the
fluorochemical proportion alone.
-
CONCLUSIONS
Tcohnefitedsetnscuebisnttearnvcael
48-hour LCs of 242 to 276
was determined mg/L.
to
be
259
mg/L.
with
a
95%
Submitter: 3M Company, Environmental Laboratory, P.O. Box 33331, St. Paul, Minnesota, 55133
DATA QUALITY
RHeolwieabvielrit,yt:heKisitmuidsychlarcaknskiinnfgo=rm2a.tiTohnisonstpuudryitmyeoefttshtehteesctristuerbisatfaonrcqeuaalnidty testing. analytical confirmationofthe amountoffluorochemical proportion in solution.
REFERENCES
"This study Paul, MN,
was Lab
Rceoqnudeuscttendumbybetrhe6350M8SC,om1p9a8n1.y,
Environmental
Laboratory,
St.
OTHER
Last changed: 6/26/00.
002903
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002904,
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00290
TABLE 2
ENVIRONMBELDNGT.AL2L-3AEBORATORY ST. PAUL, MINNESOTA
WELL WATERFIRSSUTPPQLUYARFTOERRLAYQUARETPIOCRTT,OXI1C9I8T1Y TESTING
PARAMETER
AVERAGE JAN. 28 FEB. .26 MAR. 25 (+S)
TOTAL HARDNESS*
-
256
252
252 253 + 2
as mg/l CaC03
-- a
TOTAL "M" ALRALINITY*
232
220
210 221 + 11
as mg/l CaC03
a ELECTRICAL SPECIFIC 360 305 320 328 + 28
CcOn?NDUaCtTA2N5C9EC* as umhos per
JR"
TOTAL SOLIDS*
267
299
a 202 + 23
as ng/1
JE..."
pHA*
7.7
7.7
7.7 7.740
ce
STANDARD PLATE COUNT***
19
6
n 1247
per 1.0 ml ee
--
CRITERIA OF CONSTANT QUALITY
* Maovnetrahgleys.rang(eAsSTMshoSutladndaberdleEs7s29-t1h9a8n0.1)0% of their respective
*+
Monthly range of pH should be less than 0.4 unit. 729-1980.)
(ASTM Stan=dard
#44
opetralml.bact(eUrSiEaPlA-d6e0n0s/i8t-i7e8s-01s7h,oulpd.
not be 101.)
greater
than
500
organisms
002906