The high steelworkers are usually from tribes in the US Northeast and Southern Canada. Those tribes didn't have "shamen."
The paralyzed woman has her makeup done, is wearing fake eyelashes and has her nails manicured. If she's in the hospital there would be little reason to do this.
However, this isn't considered a Goof by IMDb rules, as women always have makeup and perfectly styled hair in this situation.
When the repairmen are applying plaster to the "walls" they move. The walls are apparently made of canvas or hard paper.
Kolchak isn't wearing a hard hat in the construction site. In Chicago he wouldn't be allowed to go up a building under construction, let alone be on the site without a hard hat. This is strictly enforced due to insurance policies.
The boom mic is visible when Kolchak brings an architect to the hospital to inspect its lower levels.
When discussing the creature's thirst for blood, Janis says that, "plasma is practically pure protein and protein is pure energy." Plasma is practically all water, with less than 10% protein, and trace amounts of sugars, salts, and fat. Protein is not pure energy; it would be more appropriate to think of carbohydrates as closer to pure energy.