Document evxy5dMawBGYVxnYJm6owqozm
Study Sponsor: Issue Date: Document Reference No.:
ATOCHEM 4-Jun-92
AR226-2972
Acute Toxicity of Daphnia Magna Author(s): J.C. Bautonnet A.M. Petit
English Translation of Report Summary for DuPont Chemical Solutions Enterprise 27-Jan-OS
Company Sanitized. Does no! contain TSCA CBI
r
ATOCHEM Levallois Applications Center Analysis - Environmental Services Eco-toxicology Laboratory
TEST REPORT
INHIBITION OF DAPHNIA MAGMA MOBILITY according to standard ISO 6341
Substance studied:
Name: Batch reference: CAL sample reference:
Person responsible for test : Person carrying out test:
Date of definitive test: Date report written:
J. C. BOUTONNET A. M. PETIT
1/6/92 4/6/92
Results
Application of standard test ISO 6341 (French edition 1989) to the substance referenced above has given the following results : (calculation by linear regression, limit values at 95 %)
The CEfl) 50 -
24 h is : CEfl) 50 >
CEfn50<
r =
8.94 6.57 12.17 0.987
mq/l ma/l ma/l
The CEfl) 50 -
48 h is : CEfl) 50 > CE(I) 50 <
r =
3.78 3.00 4.76 0.994
ma/l ma/l ma/l
Additional results:
Minimum concentration corresponding to 100 % immobilization in 24 h Minimum concentration corresponding to 100 % immobilization in 48 h
> 75 mg/l 75 ma/l
Maximum concentration corresponding to 0 % immobilization in 24 h Maximum concentration corresponding to 0 % immobilization in 48 h
0.5 me < 0.5 ma/l
Company Sanitized. Does not contain TSCA CBsl
Substance studied:
Validity clauses: Reference substance (potassium dichromate):
The CEfl) 50 -
24 h is :
CE(n 50 >
CEfn50<
r =
.
0.92 0.83 1.02 0.997
(normal values : 0.9 to 2.0 mg/l)
Dissolved oxygen content in the lowest substance concentration Giving 100 % immobilization at the end of the test:
7.90 I mg/l
(must be > 2 mg/l)
Percent immobilization in the control containers:
10
%
(must be ^10%)
Preparation of mother and test solutions :
Weigh : 30 mg in 100 ml of dilution medium (3 g/l)
Dilution :1/30:10 mg/l
Biological information:
The test was carried out daphnias with an age less than 24 h (selected by sieving). The growth (culture) was effected in ASTM medium; the food was algae collected in the exponential growth phase (Selenastrum capricornutum).
ma/l ma/l ma/l
Other pertinent information for carrying out the test:
Company Sanitized. Does not contain TSCA CBI
NOTE A L'ATTENTION DE Copies :
Elf Atochem SJL
Centre d'AppIication de Levallois
Ie, SJuin 1992
,,,.' ?tt!SB
ae^l^-
W-i" .<'tii..
i'.l/"""
M. CORPART
Mme BAKES
Labo Ecotox
OBJET : Rapport d'essai
-joint Ie rapport d'essai de la toxicite aigue vis a vis de la daphnie,
JC. BOUTONNET
Company Sanitized. Does not contain TSCA C8I
ATOCHEM Centre d'Appiieation de Levaflois Service Anafyse/Environnement Laboratoire d'Ecotoxicologie
RAPPORT D'ESSAI
INHIBITION DE LA MOBILITE DE DAPHNIA MAGNA selon la norme (SO 6341
Substance etudiee
Norn: Reference ou lot: Numero d'enregistrement CAL:
Responsable de I'essai: J.C. BOUTONNET Realisation technique: A.M. PETIT
Date essai definitif: Date rapport:
1 /6/S2 4/6/92
Resultats
L'application de la norme ISO 6341 (edition francaise 1989) a la substance ci-dessus referencee a donne les resultats suivants: (calcul: regression lin^aire, valeurs limites a 95%)
La CE(l50-24h est de: CE(I)50 >
CE.(1)5Q <
r =
8,94 6,57 12.17 0,987
mg/1 mg/1 mg/1
La CE(l)50-48h est de: CE(1)50 > CE(1)50 <
r =
3,78 3,00 4,76 0,994
ms/l
mg/1 mg/1
Resultats complementaires:
Concentration mini correspondant a 100 % d'immo. en 24 h: Concentration mini correspondant a 100 % d'immo. en 48 h:
Concentration maxi correspondant a 0 % d'immo. en 24 h: Concentration maxi correspondant a 0 % d'immo. en 48 h:
Company Sanitized. Does not contain TSCA CBI Page 1/2
Substance etudiee
Clauses de validity:
Substance de reference (bichromate de potassium):
La CE(l)50-24h est de:
CE(1)50 > CE(1)50 <
r =
0.92 0,83 1,02 0,997
mg/1 mg/1 mg/1
(vaieurs normales : 0,9 a 2,0 mg/1)
Teneur en oxygene dissous dans la plus faible concentration de substance donnaht 100 % d'immobilisation en fin d'essai:
7,90] mg/1 (doit etre > 2 mg/1)
Pourcentage d'immobilisation dans les recipients temoins:
|
10] % (doit etre < ou = a 10 %)
Preparation des solutions meres et solutions d'essai:
Pesee:30mg dans 100ml de milieu de dilutions(3g/l). Dilution: 1/30 :10mg/l
Informations bioloaiaue's:
L'essai a ete realise sur des daphnies d'age inferieur a 24 h
(selectionnees par tamisage). L'elevage est realise dans du miKeu ASTM;
la nourriture y est consiituee d'algues recoltees en phase exponentielle
de croissance (Selenastrum capricornutum).
___________
Autres informations relatives au deroulement de I'essai:
Company Sanitized. Does not contain TSCA C5! Page 2/2
Company Sanitized. Does not co"'n Tec-a ^ra