Final Spore Concentration (spores/ml) BioSentry (spores/ml) HACH Turbidity (NTU) HACH TOC (mg/L) HACH Chlorine (mg/L) S::CAN Turbidity (FTU) eq S::CAN DOC (mg/L) eq S::CAN  TOC (mg/L) eq
1.0E+02 3.3+E03 ± 2.6+E03 0.18 ± 0.19 0.62 ± 0.11 0.06 ± 0.03 0.16 ± 0.02 0.25 ± 0.03 0.86 ± 0.05
1.1 -0.84 -0.56 -0.07 -0.06 0.04 0.30
1.0E+03 2.6+E04 ± 1.1+E04 0.31 ± 0.14 0.18 ± 0.01 0.04 ± 0.01 0.19 ± 0.01 0.32 ± 0.05 0.4 ± 0.07
5.5 -0.61 0.02 -0.93 -0.15 0.17 0.08
1.0E+04 3.5+E04 ± 2.8+E04 0.3 ± 0.21 0.17 ± 0.07 0.33 ± 0.4 0.18 ± 0.01 0.22 ± 0.02 0.49 ± 0.05
6.3 -0.65 -0.5 0.1 0.00 -0.02 -0.07
1.0E+05 1.7+E05 ± 8.0+E04 1.25 ± 0.17 0.31 ± 0.12 0.04 ± 0.01 0.23 ± 0.04 0.26 ± 0.04 0.66 ± 0.08
11.7 2.68 0.47 -0.70 0.24 0.25 0.26
Control 4.0+E00 ± 1.01+E00 0.26 ± 0.03 0.98 ± 0.02 0.09 ± 0.01 0.19 ± 0.00 0.25 ± 0.00 0.70 ± 0.03
-0.2 -0.02 0.02 0.02 0.02 0.01 -0.02
Top number=average ± standard deviation
Bottom number=dimensionless normalized value, where positive and negative values indicate the magnitude of the increase or decrease in the response of the sensor from background level
Table 1: Sensor values for Bacillus thuringiensis spores in DI water.