Document 7OKb4Q9ZBx41mLJMpRJxYYEKB
BIODEGRADATION TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1. (1Decanesulfonic acid, 1,1,2,2.3,3,4.4,6,5,6,6.7.7,8,8,9.9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy). This mixture contains approximately 2226% test substance, 33-37% propanol, 1-(1,1-dimethylethoxy), 0.5-1.5% perfluorononanesulfonate, ammonium salt and 38-42% water). All values reported relate to this mixture. No calculations were made to adjust for the actual concentration of the test substance in the test sample. Test material was from 3M production lot 1
METHOD
Method: Standard methods #507 for BOD, standard methods #5084 for cop
Type: Aerobic GLP: No Year completed: 1987 Contact time: 20 days Inoculum: Source of inoculum not recorded
RESULTS
5-day carbonaceous BOD: 5,800 mg/kg
10-day carbonaceous BOD: 8,000 mg/kg
20-day carbonaceous BOD: 11,000 mg/kg
cop:
870,000 mg/kg
Remarks: This material has a perfluorinated moiety and a nonfluorinated moiety. Current knowledgeof these chemistries suggests that all biodegradation indicated in this study is likely due to reduction of the non-fluorinated moiety, propanol, 1-(1,1-dimethylethoxy)
Testing was conducted on the "as-sold" mixture of the subject material in water (~22-26% subject material). The values reported apply to that mixture and not directly to the subject material.
600174
CONCLUSIONS
This testing indicated that the propanol, 1-(1,1-dimethylethoxy) moiety is likely to be biodegraded in aerobic environments capable of supporting biodegradation. This study cannot rule out the possibility that conditions
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eventually be enriched that could metabolically alter this chemical.
SStu.bmPiautlt,erM:inne3sMotCao,m5p5a1n3y3, Environmental Laboratory, P.O. Box 33331, DATA QUALITY Reliability: Kiimisch ranking 2. This study lacks sufficient
documentation, characterization of the test substance purity, and
analytical measurement of test concentrations. Because a mixture was
tested, the biodegradation of the solvent could not be differentiated from biodegradation of the fluorochemical component.
REFERENCES
Study conducted at the request of 3M Company by Pace Incorporated of Minneapolis, MN, Lab Request number E2112, 11/3/87
OTHER
Last changed: 5/18/00
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REPORT OF LABORATORY ANALYSIS
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EE Ofce`sM:inneapolis, Minnesota rail, Iowa
39135EnBvuisrhonAmveenntuael Laboratory I SBltd.gP.au2l-,3MN 55133 ) Attn: Mr. Made Scheil
E2112 Date Sanple(s) Collected: By Client
Date Sample(s) Received: 09/16/87
PACE Sanple Nusber:
NPoAvCeEmbPerroj0e3c,t N1u9m8b7er: 870917504 159240
Parameter
Units
Biochemical Oxygen Demand, Carb 5 Day(1) mg/kg
BBiioocchheemmiiccaall OOxxyyggeenn DDeemmaanndd,, CCaarrbb 2100 DDaayy((11)) mmgg//kkgg
Chemical Oxygen Uenand(2)
mg/kg
MDL E2li2-1 600 5800 660000 810100000 15000 850000
E2122 -890,000
MUL m
Method Detection Linit Analysis for biochemical
oxygen
demand
was
performed
in
accordance
(@ wAintanlyssitsandfaorrdcehetmhiocdasl #o5x0y7gen demand was performed in accordance
witn standard methods #508A
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YSIS:
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CHEMICAL OXYGEN
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DATE ANALYZED:
ANALYZED BY:
TIME:
DATA REVIEWED BY: ENTERED BY:
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PROJECT NUMBER:
PROJECT NAME:
FILE #: DATE RECEIVED: DATE COLLECTED:
ASI SPS ETRAN]SLE TT IT |TITRA
SAMPLE # | RESULTS] UNITS
TORRENTS
| vou (mls)|
|BEG| END JTOTAL [NORMALITY
A
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NOTE:
WHEN PERFORMING A COD ON AN EP LEACH SAMPLE, THE COD OF THE ACETIC ACID MUST BE SUBTRACTED TO OBTAIN THE FINAL VALUE. 1 ml OF 0.5 N ACETIC ACID IN LEACHATE EQUALS A COD OF 16 mg/1
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