13 million tons of what

For those of you who want an answer to Red Dragon FM Radio's contest question, "What does the United States produce 13 million tons of annually " Take your pick:

ALFIE: Osama Bin Ladens

laurence2: Barbie Dolls

lady_p_gold: Macdonalds wrappers

sweggie: union jack flags

nfn: poo

chazza: spam

Ausf-A: obese people

stevie-p: bad soaps

WendyS: weapons of mass destruction

joules99: cheeseburgers