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Environmental Sciences Europe

Table 2 Overview of results from acute-to-chronic ratio evaluation of chemicals for fish by different study quality criteria

From: Evaluation of acute-to-chronic ratios of fish and Daphnia to predict acceptable no-effect levels

Parameter

ACR1

ACR2

ACR3

ACR4

ACR5

ACR6

Number of values

122

75

47

99

23

63

Minimum

1.1

1.8

1.1

1.1

1.8

1.9

10th percentile

3.5

3.4

2.7

3.5

2.2

4.5

Median

12.0

10.8

12.8

12.7

7.3

12.2

90th percentile

68.0

63.5

111.1

96.6

36.6

63.5

Maximum

1370.6

1370.6

514.0

1370.6

375.0

1370.6

  1. ACR1 included data across all fish species and test types
  2. ACR2 included all test types but was confined to data with acute and chronic results from the same fish species
  3. ACR3 was confined to data from different fish species
  4. ACR4 was restricted to chronic toxicity testing conducted according or equivalent to OECD 210 representing FELS studies
  5. ACR5 included all chronic studies that were not conducted according or equivalent to OECD 210
  6. ACR6 included FELS tests that were confined to data with acute and chronic results from the same species
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