Just as children should not eat lead paint (I'm not sure how you bite a wall) they should not ingest asbestos siding or "pop corn" either None, of this information is compliant with any current cities asbestos disposal laws.

To be honest, I was surprised by your response.Medical marijuana may be legal, but it should be ingested in ways that are consistent with the signed contract. 

Also it cracks and flakes providing opportunities to be ingested etc. and is readily absorbed and toxic to your system. 

As someone who's spent the past 20 years building software to ingest massive amounts of random data, the short answer is, it's really difficult to get accurate contact data.

Lead based paint is most dangerous when ingested.

All good reading and listening, education is best and if you want to learn you have to ingest as much information as possible.I read many books that helped me, but my go-to is listeining to at least 2hrs of podcast with real examples per day.One very important things that "want-to-be" fails is to understand that real estate has many different specialities, so you have to focus your time in your real project.

At a high level, the system ingests raw documents from the recorder's offices, building permits, zoning permits, market data, and other auxiliary datasets.

I'm trying to learn all I can possibly ingest!

When my places with section 8 tenants are inspected yearly the inspectors just want to be sure that the paint isn’t flaking and thereby causing a situation that a small child may ingest the paint chips.

Cooking" meth can produce considerable contamination, yes.Consuming meth can take different forms from simple ingestion which leaves no residues  to smoking which will will leave residues.