Chemical and toxicological properties of coal fly ash - University of ...

Table 29, Initial mean total lengths and weights of juvenile green sunfish exposed to extracts from five fly ashesand a control.Me an Standard Me an St andardSample N length (mm) deviation weight (g) deviationControl 10 48.2 3.1 1.341 0.379W2 10 48.1 5.1 1.194 0.433I3 10 48.9 3.0 1.324 0.328I8 10 48.8 4.0 1.240 0.374I7 10 51 -1 4.0 1.491 0.431I2 10 50.9 3.9 1.573 0.366Table 30. Comparison of the mean initial lengths and weights between the control test organisms and the organismsexposed to fly ash extracts.Green sunf i shaFathead mi nno,wa1 ength weight 1 ength weightControl vs ~ 2 b 0.002 0.585 1.167 1.178Control vs I3 0.229 0.010 2.618 0.748Control vs I8 0.1 24 0.322 0.242 0.551Control vs I7 0.613 2.883 0.677 1.001Control vs I2 2.61 9 1.738 0.003 0.673aThe values listed are F 1,18) values generated by one-wayanalysis of variance. f f the F value is greater than 3.01, the meansare significantly different.b~ = 10 for each test and control group.Table 31. The mean final lengths and weights of juvenile green sunfish used in the bioaccumulation experiments.Mean lengthMean weightSamp 1 e N (mm) F valued (9) F valueaaResults of the analysis of variance indicate that if F(1,8)than 3.46, the replicates are significantly different.is greater54