An ALJ has no obligation to inquire into the basis of vocational expert's going beyond the terms of the job guide so long as the extra elements do not conflict with the terms of the job guide.
http://media.ca8.uscourts.gov/opndir/18/07/171777P.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.