Table 8.2.6.2 The Effects of Chlorophenols on Freshwater Molluscs.

mg/L

chlorophenol

species and conditions

effect

ref.

Lymnaea acuminata snail

0.16

2,3,4,5,6-PCP

18C, pH 7.9, hard. 210 mg/L as CaCO3

96-h LC₅₀

97

0.18

2,3,4,5,6-PCP

18C, pH 7.9, hard. 210 mg/L as CaCO3

96-h LC₅₀

97

Limnaeid snails

10

2,4-DCP

48-h LC₁₀₀

388

10

2,4,5-TCP

24-h LC₁₀₀

372

10

2,4,5-TCP

24-h LC₁₀₀

388

5

2,4,6-TCP

24-h LC₁₀₀

372

5

2,4,6-TCP

24-h LC₁₀₀

388

1.51

2,3,4,6-TTCP

24-h LC₁₀₀

388

1.67

2,3,4,6-TTCP

static lab. bioassay, Dowicide F-88% PCP

24-h LC₁₀₀

172

2.5

NaPCP

static lab. bioassay, Dowicide F-88% PCP

24-h LC₁₀₀

172

Lymnaea stagnalis snail

0.05

2,3,4,5,6-PCP

viable eggs per young, pH 8.0, hard water.

16-d NOEL

85

0.09

2,3,4,5,6-PCP

chronic effects, pH 8.0, hard water

16-d EC

85

0.13

2,3,4,5,6-PCP

viable eggs per young, pH 8.0, hard water.

16-d EC₅₀

85

0.18

2,3,4,5,6-PCP

eggs per young, pH 8.0, hard water

16-d LC₅₀

85

0.2

2,3,4,5,6-PCP

20C

NOEL

112

0.24

2,3,4,5,6-PCP

eggs per young, pH 8.0, hard water

96-h LC₅₀

85

0.30

2,3,4,5,6-PCP

eggs per young, pH 8.0, hard water

48-h LC₅₀

85

0.56

2,3,4,5,6-PCP

20C

48-h LC₅₀

112

0.56

2,3,4,5,6-PCP

20C,

48-h LC₅₀

196

Australorbis glabratus

0.05

2,3,4,5,6-PCP

egg production and viability

7-d EC

215

0.1

2,3,4,5,6-PCP

egg production and viability

7-d EC

215

0.7-1.06

2,3,4,5,6-PCP

adults

24-h LC₅₀

215

1.0

2,3,4,5,6-PCP

48-h LC₉₄

627

2.5

2,3,4,5,6-PCP

48-h LC₁₀₀

627

2.0

NaPCP

static laboratory bioassay

6-h LC₅₀

626

9.5

NaPCP

field study

6-h LC₉₅

173

12.0

NaPCP

static laboratory bioassay

6-h LC₉₅

626

mg/L

chlorophenol

species and conditions

effect

ref.

Pseudosuccinea columella
Fossaria cubensis

10

2-MCP

100% strength

24-h LC₁₀₀

388

10

4-MCP

Na salt, 25% strength

24-h LC₁₀₀

388

10

2,4-DCP

Technical grade

24-h LC₁₀₀

388

10

2,4-DCP

Na salt, 25% strength

24-h LC₁₀₀

388

2.5

2,4,5-TCP

Na salt, 85% strength

24-h LC₁₀₀

388

10

2,4,5-TCP

Technical grade

24-h LC₁₀₀

388

5.0

2,4,6-TCP

Technical grade

24-h LC₁₀₀

388

0.83

2,3,4,5,6-PCP

8% strength

24-h LC₁₀₀

388

1.0

2,3,4,5,6-PCP

Technical grade

24-h LC₁₀₀

388

1.25

2,3,4,5,6-PCP

20% strength

24-h LC₁₀₀

388

2.3

2,3,4,5,6-PCP

24-h LC₁₀₀

172

Gillia altilis snail

0.3

2,3,4,5,6-PCP

21C, pH 6.7, static bioassay

96-h LC₅₀

98

0.8

2,3,4,5,6-PCP

21C, pH 6.7, continuous-flow bioassay

96-h LC₅₀

98

Viviparus bengalensis

1.561

2,3,4,5,6-PCP

sublethal effects on mantle cells

EC

96

0.99

NaPCP

sublethal effects on mantle cells

EC

96

Physa gyrina snail

0.0257

2,3,4,5,6-PCP

reduced egg production

EC

113

0.026

2,3,4,5,6-PCP

reduced egg production

EC

104

0.026

2,3,4,5,6-PCP

reduced egg production

EC

206

0.104

2,3,4,5,6-PCP

growth reduction

EC

104

0.104

2,3,4,5,6-PCP

growth reduction

EC

206

0.111

2,3,4,5,6-PCP

egg number and survival, 29.6C, pH 7.2-8.9, hardness 126-168

NOEL

102

0.365

2,3,4,5,6-PCP

egg number and survival, 29.6C, pH 7.2-8.9, hardness 126-168

EC

102

0.475

2,3,4,5,6-PCP

range 0.22-0.73

96-h LC₅₀

104

0.475

2,3,4,5,6-PCP

range 0.22-0.73

96-h LC₅₀

206

0.73

2,3,4,5,6-PCP

river water, 7.3-17.4 C, pH 7.5-8.2

96-h LC₅₀

206

4.1

2,3,4,5,6-PCP

EC

113

mg/L

chlorophenol

species and conditions

effect

ref.

5.5

2,4,6-TCP

Aplexia hypnorum snail

96-h LC₅₀

245

0.13

2,3,4,5,6-PCP

snail

EC

60

0.24

2,3,4,5,6-PCP

Tapes philippinarum clam

96-h LC₅₀

223

0.32

2,3,4,5,6-PCP

Physa sp., snail

48-h LC₅₀

223

0.62

2,3,4,5,6-PCP

Indoplanorbis exustus red snail

48-h LC₅₀

223

0.77

2,3,4,5,6-PCP

Semisulcospira libertina marsh snail

48-h LC₅₀

223

30

2,3,4,5,6-PCP

snail

LC

75