THMs are chemical compounds that are formed when chlorine mixes with naturally occurring organics in water.
(THMs; are; chemical compounds that are formed) (chemical compounds; are formed; T:when chlorine mixes with naturally occurring organics in water) (chlorine; mixes; with naturally occurring organics in water)
THMs chemical compounds chlorine
are are formed mixes
chemical compounds that are formed
T:when chlorine mixes with naturally occurring organics in water
with naturally occurring organics in water