City Water Check Deluxe package covers all the items in both of the other City Check testing packages then adds a group of 20 pesticides, herbicides and PCBs.  Pesticides and herbicides are more likely to be present in water supplies that have surface water as their source.  (i.e. Lakes & Rivers)
 
5 Physical Characteristics
7 Inorganic Compounds
20 Metals / Minerals
16 Disinfectants & By-Products
20 Pesticides, Herbicides & PCBs
47 Volatile Organic Compounds