Pharmaceuticals and Personal Care Products, often referred to as PPCPs, are products used by individuals for personal care or health reasons, or used by the agricultural industry to enhance the growth or health of livestock. PPCPs include prescription and over-the-counter drugs, veterinary drugs, fragrances, cosmetics, sunscreen products, diagnostic agents, and nutraceuticals (such as vitamins. PPCPs enter our environment through human activity (such as bathing, shaving, using lotion, or taking medication), illicit drug use, veterinary drug use (especially antibiotic and steroid use), the