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Acute Toxicity of Fire Control Chemicals to Daphnia magna (Straus) and Selenastrum capricornutum (Printz)

Table 8


Table 8. Formulation of Field Mixtures for Five Fire-Fighting Chemicals and the Ratio of the Mixture Concentration to the Acute Toxicity Value
ChemicalField mixtureaWater typeRatio to 48-hr EC50 for DaphniabRatio to 96-hr IC50 for algaeb
 (mg/liter)
Fire-Trol GTS-R1.66 lb/gal198,930Soft77411,052
Hard587
Fire-Trol LCG-R1 gal/4.5 gal270,400Soft31927,040
Hard333
Phos-Chek D75-F1.20 lb/gal143,800Soft10272996
Hard514
Phos-Chek WD-8811%10,000Soft909417
Hard2500
Silv-Ex1%10,000Soft1429667
Hard1429
aWeight or volume of chemical concentrate combined with water to produce application mixture.
bRatio,field mixture/EC50 or IC50 (mg/liter).

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