No person may distribute an adulterated regulated product. A regulated product is considered to be adulterated:
(a) If it contains any deleterious or harmful ingredient in sufficient amount to render it injurious to beneficial plant life, animals, humans, aquatic life, soil or water when applied in accordance with directions for use on the label, or if adequate warning statements or directions for use, which may be necessary to protect plant life, animals, humans, aquatic life, soil or water are not shown upon the label;
(b) If its composition falls below or differs from that which it is purported to possess by its labeling; or
(c) If it contains unwanted crop seed, weed seed or noxious weed seed, as defined in article 16, chapter 19 of the West Virginia Seed Law.
(d) If adulteration levels of one or more metals in regulated products are in excess of those officially adopted by the Association of American Plant Food Control Officials.