Lymphoma, Non-Hodgkin - chemically induced, Residence Characteristics, Geographic Information Systems, Humans, Middle Aged, Proportional Hazards Models, Male, Risk, Survival Rate, Environmental Exposure, Life Tables, Lymphoma, Non-Hodgkin - epidemiology, Water Pollutants, Chemical - analysis, Incidence, Disease-Free Survival, Water Pollutants, Chemical - adv...