If you had a choice of either a wettable powder or an emulsifiable concentrate for a particular pest management task, which would be better if you were concerned about harming the treated surface? Which would be better if you were diluting with very hard or alkaline water?
a) Wettable powder; Emulsifiable concentrate
b) Emulsifiable concentrate; Wettable powder
c) Granular; Water-dispersible granules
d) Microencapsulated; Soluble powder