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thm
2013 May 02
1
multivariate, hierarchical model
...Z_Code the
water supply zone code (1 to 8)
Treatment_Code the
treatment plant which supplies each water supply zone (1 to 4)
Year year
of sampling (1996 - 2000)
Month month
of the year of sampling, 1=January
TTHM the
total trihalomethane concentration (ìg/L) in the tap water sample
CL2_Free concentration
of free chlorine (mg/L) in the water sample - indicates the level of the
disinfecting chlorine dose which has not reacted with organic matter in the
water.
Br...