K+(ppb) Mg2+(ppb)   K+(ppb) Mg2+(ppb)
  F76     Biodiesel
NEAT 1.7±1.8 3.1±5.4 Neat 0.4±1.8 18.9±7.8
KWSW 3.2±1.8 13.2±5.2 KWSW 5.4±1.4 72.6±5.1
18.1MΩ 2.4±1.7 5.2±5.3 18.1MΩ 2.7±1.5 26.7±6.8
Algal HRD May-95 Biodiesel/F76
Neat 1.6±1.8 5.9±4.9 Neat 1.1±1.0 2.6±2.5
KWSW KWSW
4.5±2.1 8.8±4.9 2.8±0.9 12.5±1.5
18.1MΩ 3.4±2.1 10.02±4.9 18.1MΩ 2.3±0.9 2.9±1.6
50/50 F76/Algal      
Neat 0.4±2.2 10.3±4.7      
KWSW
2.4±2.3 24.2±4.1      
18.1MΩ 2±2.3 13.4±4.4      
*Error bars are one standard deviation
Table 3: Metal concentrations in ppb of the control, unexposed (Neat) and for samples equilibrated with Key West seawater (KWSW) and 18.1 MΩ water.