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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Endpoint:
bioaccumulation in aquatic species: fish
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1984
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Literature study, well described, enough reliable to assess the end point
GLP compliance:
no
Radiolabelling:
yes
Conclusions:
The substance is not bioaccumulative
Executive summary:

The study investigated bioaccumulation of PTSA, whose ring was evenly labelled with 14C, in guppies ( Poecilla reticulata) under semistatic conditions. The fish were exposed in aerated spring water which was renewed each day. During the course of 9 days exposure, at an initial PTSA concentration of 2.91 +/- 0.07 ug/l and a temperature of 22 -23°C, the absorbtion factor (the ratio of measured radioactivity in the fish to that in the water) remained under 1.

Endpoint:
bioaccumulation in aquatic species: fish
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance has a low potential for bioaccumulation based on log Kow <=3

Description of key information

The substance has a very low logPow and therefore the potential for bioaccumulation is low.

Key value for chemical safety assessment

Additional information