Table 5: Estimated concentration of N. fowleri in water and sediment samples.

Sample IDNo. of amebas seededAverage CT valueEstimated concentration (amebas/L)

GA water1439.18
GA water6338.515
GA water38835.1183
GA water4,90031.91,224
GA water11,30029.85,902
GA water129,00027.918,620
FL5 waterNA40.62.7
FL6 waterNA38.215
MN9 sedimentNA38.313
WB saline control9,80028.87,900
WB saline control37,00027.815,000