55 Pa. Code § 3290.78 – Toilet area.

(a) The facility shall have at least one indoor flushing toilet and one sink. Running water shall be available at the sink.
(b) Training chairs may be used, if emptied and sanitized after each use. A sanitizing solution of 1/4 cup bleach to 1 gallon of water may be used. A sanitizing solution shall be treated as a toxic. See § 3290.64 (relating to toxics).
(c) Toilets and training chairs shall be located in rooms separate from rooms used for cooking or eating.

This section cited in 55 Pa. Code § 3290.25 (relating to waivers).