In a primary dermal irritation study (MRID [number]), (#/sex) strain, species (source), (age, weight) were dermally exposed to (volume or weight applied) of (formulation, note a.i. and %) in (name of vehicle or undiluted test material) to (% or amount of body surface area - state location of test site). Test sites were covered with a(n) occlusive/semi-occlusive dressing for (#) hours. Animals were then observed for [#] days. Irritation was scored by the method of (cite method).
(Very briefly note type, severity and duration of irritation. Quantification is usually not needed). In this study, formulation (is not) a dermal irritant OR is minimally, slightly, mild, moderately, severely, extremely irritating OR is corrosive to the skin based on... [indicate basis - list MAS (of 24, 48 and 72 h) and MIS (state time recorded)][include EPA Toxicity Category I, II, III, IV if joint review]. Label comment if applicable.