Survival and reproduction results for Ceriodaphnia dubiaexposed to low, moderate and high mixtures of arsenic, copper, chromium, uranium and zinc generated using spiked Latte and Halfway Creek water collected in winter and summer.

Table 3: Survival and reproduction results for Ceriodaphnia dubiaexposed to low, moderate and high mixtures of arsenic, copper, chromium, uranium and zinc generated using spiked Latte and Halfway Creek water collected in winter and summer.

Treatments	Winter		Summer
Treatments	Survival (%)	Reproduction (Number of broods)	Survival (%)	Reproduction (Number of broods)
Latte Creek
Laboratory Control	100	21.80 ± 7.60	100	20.50 ± 4.20
Latter Creek (Site Control)	100	20.20 ± 7.50	100	15.20 ± 8.40
Low	100	23.30 ± 1.80	100	19.10 ± 7.60
Moderate	100	21.30 ± 8.0	100	16.50 ± 8.90
High	100	19.80 ± 7.60	100	17.20 ± 10.50
Halfway Creek
Laboratory Control	100	20.80 ± 9.30	100	22.70 ± 9.50
Halfway Creek (Site Control)	90	23.80 ± 6.0	100	24.80 ± 6.70
Low	100	19.40 ± 10.90	100	21.30 ± 8.20
Moderate	100	21.60 ± 8.30	100	20.70 ± 8.40
High	100	23.30 ± 2.60	100	19.10 ± 8.40

Notes: Calculation of the survival standard deviation was not possible due to the lack of variability in the results.