Document DDevRkv3ryjeRGe6NGxNpx2qd
AR126-052Y4
ACTIVATED SLUDGE RESPIRATION INHIBITION TEST
TEST SUBSTANCE
Identity: PaesrPflFuOorAootcettarnaoibcutayclida,mmaomnmioumnisaultm, sAalmtm; omnaiyuamlso be referred to paesraflmuaojroorocctoanmopaotneePnFtOo,f FFCC--111061,5FoCr-1F2C-61,0F15C--X1.69,(OFcCt-a1n4oi3cor
acid, pentadecafluoro-, ammonium salt, CAS # 3825-26-1)
Rcheamraarctkesr:ized,Ththeotuegsht scuarmrpelnet iinsfFoCr-m1a0t1i5o-nXi.ndiIcta'stepsuriistyaw3a0s%nsottrasiugffhitciently cwaarsbo"nHcOhGaEin2v0e5r"s.ion of FC-143 in 80% water. The 3M product lot number The following summary applies to the test sample as a mixtureofthe tceosntcesnutbrsattainocnes ionfwiamtpuerristoilesu.tioDnatwaitmhaiyncnoomtpalcectuerlaytcehlayrraecltaetreitzoexdicity
of thetest sample with that of the test substance. Data was used to `compare toxicity of the branched/straight chain`ammonium
pseurpfplousoreodoctotabneoatthee h1o0m0o%lsotgruaieghmtixctaurrbeoinncFhCa-i1n4a3mvms.onwhiautmIs
perfluorooctanoate in FC-1015-X.
METHOD
Method: OECD 209
Test type: Static acute
GYeLaPr:CNomopleted: 1996
Analytical Statistical
mmoentihtoodrsi:ng:NotDiaspspollivceadbloexygen
concentrations
and
pH.
Test organism source: Activated sludge mixed liquor collected from the
Metro Wastewater Treatment Plant, St. Paul, MN
Test condition:
Dilution water:
Millipore Mili-QTM water
Synthetic sewage: per OECD method
Reference and test solution preparation: A stock solution of the
reference substance, 3,5-dichlorophenol, was prepared by
dissolving 500 mg in 10mL 1N NaOH, diluted to 30mL with Millipore
Mill-QTM water,
with 1N H;SO,
then brought
and diluted to
t1oLtwhiethpoMinitllof-QinTMciwpaiteenrt.
precipitation
The pH of
twhaesraedfedreedncdeirseocltulytito0ntwesatsvmesesaeslus.red to be 7.2. Test substance
Test vessels: Not stated
04040
Number of concentrations: 4 plus 1 reference substance and 2 blank controls TToetmaplersautsupreen:de1d9.so1l-i2d2s.a1nCd pH on day of testing: 3.22 glL (TSS in final 1.3 g/L) and initial pH 7.8 and final pH 7.9
Element Basis: Respiration inhibition as determined by oxygen consumption.
Remarks: Values corrected to 20C for calculations
RESULTS
Nominal concentrations: 2 Blank controls, 420, 840, 1660 and 3320 mg/L
Element values: . 30-minute EC50 = >3320 mg/L 3-hour EC50 = >3320 mg/L.
Element values based on nominal concentrations.
Remarks: Testing was conducted on the mixture of the test substance as described in the test substance remarks field. The values reported apply. to that mixture and not the test substance.
CONCLUSIONS
dTehteerFmCi-n1e0d15to-Xbe3->h3o3u2r0EmCgs/L.for activated sludge respiration inhibition was
SStu.bmPiautlt,erM:inn3esMotCao,m5p5a1n3y3, Environmental Laboratory, P.O. Box 33331,
DATA QUALITY
Reliability: Kiimisch ranking 2. Testing meets all criteria for quality testing, but lacks analytical confirmation of test substance concentrations. There is a lack of characterization of the test sample.
REFERENCES
This study was conducted by the 3M Company, Environmental
Laboratory, St Paul, MN, Lab Request N2169.
orem
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Last changed: 5/25/00
04041
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Date' Obtained 4-25-95
Date Uses 4-25-75
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