Table 2

Estimated Spearman rank correlation coefficients between levels of total trihalomethanes and individual THM constituents

	Chloroform	Bromodichloromethane	Dibromochloromethane	Total trihalomethanes
*p<0.05.
Exposure assessment data: 7/94–9/94 (n = 39)
Chloroform	–	0.833*	0.226	0.996*
Bromochlorodichloromethane	0.833*	–	0.672*	0.856*
Dibromochloromethane	0.226	0.672*	–	0.270
Total trihalomethanes	0.996*	0.856*	0.270	–
Routine monitoring data: 2/91–11/95 (n = 100)
Chloroform	–	0.707*	0.237*	0.982*
Bromochlorodichloromethane	0.707*	–	0.762*	0.810*
Dibromochloromethane	0.237*	0.762*	–	0.376*
Total trihalomethanes	0.982*	0.810*	0.376*	–
Routine monitoring data: 3/94–11/95 (n = 40)
Chloroform	–	0.754*	0.063	0.981*
Bromochlorodichloromethane	0.754*	–	0.465*	0.834*
Dibromochloromethane	0.063	0.465*	–	0.182
Total trihalomethanes	0.981*	0.834*	0.183	–