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Table 1

Measured water quality parameters, volume collected for N. fowleri testing, and N. fowleri detections for water samples collected from DeSoto parish system before chlorine conversion, September 2013

Site ID	Location	Total chlorine (mg/L)	Temperature (°C)	Volume collected (L)	N. fowleri culture
D1	Point of collection sample tap	0.10	29	737	+
D2	Flush hydrant	0.05	28	775	+
D3	Flush hydrant	0.05	30	641	+
D4	Flush hydrant	0.08	34	231	+
D5	Point of collection sample tap	0.40	26	246	–
D6	Fire hydrant	0.20	26	206	–
D7	Fire hydrant	0.44	32	418	+
D8	Flush hydrant	0.15	31	598	+
D9	Point of collection sample tap	0.10	23	105	–
D10	Fire hydrant	0.09	30	565	–

Site ID	Location	Total chlorine (mg/L)	Temperature (°C)	Volume collected (L)	N. fowleri culture
D1	Point of collection sample tap	0.10	29	737	+
D2	Flush hydrant	0.05	28	775	+
D3	Flush hydrant	0.05	30	641	+
D4	Flush hydrant	0.08	34	231	+
D5	Point of collection sample tap	0.40	26	246	–
D6	Fire hydrant	0.20	26	206	–
D7	Fire hydrant	0.44	32	418	+
D8	Flush hydrant	0.15	31	598	+
D9	Point of collection sample tap	0.10	23	105	–
D10	Fire hydrant	0.09	30	565	–