PEN §594.4: (a) Any person who willfully and maliciously injects into or throws upon, or otherwise defaces, damages, destroys, or contaminates, any structure with butyric acid, or any other similar noxious or cau

(a) Any person who willfully and maliciously injects into or throws upon, or otherwise defaces, damages, destroys, or contaminates, any structure with butyric acid, or any other similar noxious or caustic chemical or substance, is guilty of a public offense, punishable by imprisonment pursuant to subdivision (h) of Section 1170 or in a county jail not exceeding 6 months, by a fine as specified in subdivision (b), or by both that imprisonment and fine. (b) (1) If the amount of the defacement, damage, destruction, or contamination is fifty thousand dollars ($50,000) or more, by a fine of not more than fifty thousand dollars ($50,000). (2) If the amount of the defacement, damage, destruction, or contamination is five thousand dollars ($5,000) or more, but less than fifty thousand dollars ($50,000), by a fine of not more than ten thousand dollars ($10,000). (3) If the amount of defacement, damage, destruction, or contamination is nine hundred fifty dollars ($950) or more, but less than five thousand dollars ($5,000), by a fine of not more than five thousand dollars ($5,000). (4) If the amount of the defacement, damage, destruction, or contamination is less than nine hundred fifty dollars ($950), by a fine of not more than one thousand dollars ($1,000). (c) For purposes of this section, “structure” includes any house or other building being used at the time of the offense for a dwelling or for commercial purposes.