Many of the products you have listed do contain excessive ranges of lead based on Tamera Rubin. She uses a specialised testing instrument Niton XRF. Newer “safe” nonstick pans are more and more available, but unless we’ve included them above, beneath The Good Stuff, we advise you to proceed with caution. Most crockpots/slow cookers include a ceramic insert. There is lots of debate about the chance of lead leaching from the glazing on ceramic pots.