Historical results of Dangerous Dogs in Pennsylvania.
A dangerous dog is one that has:

(1) Inflicted severe injury on a human being without provocation on public or private property.

(2) Killed or inflicted severe injury on a domestic animal, dog or cat without provocation while off the owner’s property.

(3) Attacked a human being without provocation.

(4) Been used in the commission of a crime.

And the dog has either or both of the following:

(1) A history of attacking human beings and/or domestic animals, dogs or cats without provocation.

(2) A propensity to attack human beings and/or domestic animals, dogs or cats without provocation.

*A propensity to attack may be proven by a single incident.

Severe injury is defined as, [3 P.S. § 459-102] “Any physical injury that results in broken bones or disfiguring lacerations requiring multiple sutures or cosmetic surgery.”
More information can be found here - https://www.agriculture.pa.gov/Animals/DogLaw/Dangerous%20Dogs/Pages/default.aspx

More information on Chapter 27 Regulations - https://www.agriculture.pa.gov/Animals/DogLaw/Dangerous%20Dogs/Documents/Chapter%2027%20Dangerous%20Dogs.pdf

PDF's for Chapter 27 and Pennsylvania Dog Laws are attached to the metadata

Restaurant Inspection results by county and facility.

Historical results of Kennel Inspections in Pennsylvania.

Historical results of Dog Bites in Pennsylvania.