Table 7: Survival and growth results (mean ± standard deviation) for rainbow trout exposed to low, moderate and high mixtures of arsenic, copper, chromium, uranium and zinc + nutrients (sulphate and ammonia) generated using spiked Latte and Halfway Creek water collected in winter and summer.

Treatments

Winter

Summer

Survival
(%)

Growth1
(mg)

Survival
(%)

Growth1
(mg)

Latte Creek

Laboratory Control

100

40.10 ± 1.20

100

52.0 ± 3.40

Latte Creek (Site Control)

100

41.20 ± 2.50

100

54.50 ± 2.30

Low

100

41.40 ± 1.80

100

50.60 ± 4.0

Moderate

95

39.20 ± 1.70

100

51.80 ± 3.20

High

100

39.50 ± 1.0

100

50.40 ± 1.90

Halfway Creek

Laboratory Control

100

40.10 ± 1.20

100

40.10 ± 1.20

Halfway Creek (Site Control)

100

40.0 ± 3.10

100

40.0 ± 3.10

Low

100

39.0 ± 2.30

100

39.0 ± 2.30

Moderate

100

39.60 ± 1.80

100

39.60 ± 1.80

High

100

39.30 ± 0.30

100

39.30 ± 0.30

Notes: 1 -Expressed as mg of dry weight; Calculation of the survival standard deviation was not possible due to the lack of variability in the results