Table 1.

Relative rates of reductive dechlorination of growth substrates or alternative substrates, expressed as percentages of the rates obtained with the growth substratesa

Growth substrateRelative rates of substrate utilization (%)
PCETCEcis-DCE1,1-DCEDCA
TCE133 (12)b100 (7)NDcNDND
1,1-DCE79 (9)89 (8)105 (5)100 (11)ND
DCA78 (10)108 (6)62 (4)62 (6)100 (8)
  • a The cultures received three doses of a growth substrate, followed by 0.5 mmol of the same growth substrate or another growth substrate per liter.

  • b The values in parentheses are standard deviations.

  • c ND, not determined.