Not very helpful with knowing how much sodium nitrite they added. Are they simulating the diet of someone who eats a bologna sandwich for lunch every day, or th

Not very helpful with knowing how much sodium nitrite they added. Are they simulating the diet of someone who eats a bologna sandwich for lunch every day, or the diet of someone who eats nothing but twenty pounds of straight bologna every day? Edit: sibling comment provides some evidence that the concentrations of nitrites where they observed NDMA are much higher than what might be expected in a normal diet.