Opium poppy means the plant of the species Papaver somniferum L., except its seeds.
Non-Administrator Ambulatory Surgical Facility means an Ambulatory Surgical Facility which does not meet the definition of an Administrator Ambulatory Surgical Facility.
Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.
Tight-fitting facepiece means a respiratory inlet covering that forms a complete seal with the face.