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Environmental fate & pathways

Additional information on environmental fate and behaviour

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Administrative data

Endpoint:
additional information on environmental fate and behaviour
Adequacy of study:
supporting study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Supporting evidence

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 202 daphnia immobilisation Test
Principles of method if other than guideline:
The species Daphnia magna (Straus) was esposed to the substance Biodegradation Products of Ampholak 7TS for 48 h at concentrations from 6.25 % to 100 %. The EC50 value was calculated as 50.1 %b (48 h) which corresponds to 35.5 mg ampholak 7TX/L effluent. The ECo value was determined as 6.25 % which corresponds to 4.4 mg Ampholak 7TX:L effluent.
The EC IOO could not be observed.
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
Amines, N-C8-22-alkylpolytrimethylenepoly-, carboxymethyl derivs., sodium salts
EC Number:
307-458-3
EC Name:
Amines, N-C8-22-alkylpolytrimethylenepoly-, carboxymethyl derivs., sodium salts
Cas Number:
97659-53-5
Details on test material:
Test Substance: Test substance was the effluent of a Coupled-Units test (OECD
303 .4) with 71 mg Ampholak 7TX per litre. The Coupled-Units test aas performed
by Dr. Lebertz at Battelle, Study Number V 67 069.

Results and discussion

Applicant's summary and conclusion

Conclusions:
This study is reliable for use as supporting evidence as to the toxicicy of Biodegraded Ampholack 7TX to daphnia magna.
Executive summary:

Highest test concentration causing no immobilization within the period of the test (ECo): 6.25 %. Lowest test concentration causing 100% immobilization within the period of the test ( EC100) : could not be observed. EC50 value after 24 h: 89.1 % Standard deviation: 13.3 % 95 % confidence interval: 26.1 % (63.1 - 115.2 %) EC5O value after 48 h: 50.1 % 6 Standard deviation: 7.3%6 95 % confidence interval: 14.3 % (35.8 - 64.4 %)