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Handbook of Solvents - George Wypych - ChemTech - Ventech!

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17.3 Environmental fate <strong>of</strong> glycol ethers 1179<br />

Blue-green<br />

algae<br />

Algae<br />

Species Results Comments Ref.<br />

Microcystis aeruginosa 8-d TGK = 35 mg/l<br />

Scenedesmus<br />

quadricauda<br />

Selenastrum<br />

capricornutum<br />

8-d TGK = 900 mg/l<br />

7-d EC50 >1000 mg/l,<br />

NOEC = 125 mg/l,<br />

LOEC = 250 mg/l<br />

toxicity threshold, inhibition <strong>of</strong> cell<br />

multiplication<br />

toxicity threshold, inhibition <strong>of</strong> cell<br />

multiplication<br />

26<br />

26<br />

growth rate inhibition 16<br />

Yeasts Candida sp. 4-m biocidal = 2-3% tested in jet fuel and water mixtures 25<br />

Fungi<br />

Protozoa<br />

Coelenterates<br />

Cladosporium resinae<br />

4-m biocidal = 2-3%<br />

42-d NG = 5%<br />

tested in jet fuel and water mixtures<br />

NG = no visible mycelial growth<br />

and spore germination, 1% glucose-mineral<br />

salts medium, 30°C<br />

Gliomastix sp. 4-m biocidal = 2-3% tested in jet fuel and water mixtures 25<br />

Chilomonas<br />

paramaecium<br />

48-h TGK = 911 mg/l<br />

Uronema parduczi 20-h TGK = 463 mg/l<br />

Entosiphon sulcatum 72-h TGK = 91 mg/l<br />

Hydra vulgaris<br />

(syn. H. attenuata)<br />

Mollusca Crassostrea virginica<br />

Crustacea<br />

Daphnia magna<br />

toxicity threshold, inhibition <strong>of</strong> cell<br />

multiplication<br />

toxicity threshold, inhibition <strong>of</strong> cell<br />

multiplication<br />

toxicity threshold, inhibition <strong>of</strong> cell<br />

multiplication<br />

72-h LC50 = 690 mg/l semi-static, adult polyps 31<br />

24-h LC50 = 181 mg/l<br />

(143 - 228), 48-h<br />

LC50 = 160 mg/l (125 -<br />

204), 72-h LC50 = 114<br />

mg/l (93.9 - 138), 96-h<br />

LC50 = 89.4 mg/l<br />

(72 - 110)<br />

24-h LC50 = 1720 mg/l,<br />

24-h LC0 = 1140 mg/l,<br />

24-h LC100 = 2500 mg/l<br />

24-h EC50 = 1815 mg/l<br />

(1698-1940),<br />

24-h EC0 = 1283 mg/l,<br />

24-h EC100 = 2500 mg/l<br />

48-h EC50 = 835 mg/l<br />

25<br />

27<br />

28<br />

29<br />

30<br />

static, 22 ± 1°C, 10 organisms/tank 43<br />

static, nominal concentrations<br />

static, nominal concentrations, immobilization<br />

static, immobilization<br />

Artemia salina 24-h TLm = 1000 mg/l static, 24.5°C 10<br />

32<br />

33<br />

16

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