mixtures

The FDA guidance sets a lead limit of 10 parts per billion for fruits, most vegetables, grain and meat mixtures, yogurts, custards and puddings and single-ingredient meats.

On the shelves and tables in the studio are piles of Talenti gelato jars and takeout boxes filled with color powders and mixtures.

"These were mixtures of off-label medicines, prescription medicines, doping products and natural remedies that were supposedly tailored to individual athletes' needs," says Paoli.

Add to your diet, in moderation, by exploring seaweed recipes and by sprinkling dried, ground seaweed mixtures featuring dulse, wakame, sea spaghetti and wracks into smoothies, over salads and even on pizza.

However, the pyrolysis of mixed plastic waste does create some complex mixtures that manufacturers must examine closely.