Food and water:
(1) food grown in soil contaminated with lead
(2) ground water contaminated with lead
(3) water passing through lead pipes or pipes with lead solder
(4) cooking in pewter or in lead pots
(5) folk medicines
(6) pica or swallowing items
(7) canned food with lead solder
Around the home:
(1) lead paint on toys
(2) lead paint on walls
(3) air near lead industries
Occupational:
(1) mining
(2) smelting including zinc and copper
(3) recycling
(4) making things that contain lead (paint, pigment, solder, radiators, etc)
(5) plumbing
(6) painting or home renovation
(7) trash burning
(8) old-style printing
(9) welding
(10) demolition
(11) chemists
Vehicle maintenance and repair:
(1) leaded gasoline
(2) radiator repair
(3) automobile repair
Hobbies:
(1) lead solder in stain glass making
(2) exposure to lead glaze in ceramics or metalworking
Substance abuse:
(1) moonshine
(2) methamphetamine
(3) huffing leaded gasoline
(4) old wines with added lead
Guns and outdoor activities:
(1) retained bullet
(2) eating meat from an animal with a retained bullet
(3) spending time at a firing range
(4) making lead bullets for muzzle loading guns
(5) making fishing weights