USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

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).
Previous Section -- Table 7
Return to Contents

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/habitat/fireweb/damaseca/table8.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 04:47:04 EST
Reston, VA [vaww54]