Example: Search TOXNET for the chemical compound (e.g. Bisphenol A, a plasticizer). It is useful to search TOXNET because then you see what other pieces of information are available, making for a more holistic view of the topic.
Choose to see the HSDB results. You can see from the left naviation bar the sections: Environmental Fate and Exposure (including biodegradation, bioaccumulation, levels in different types of surface water, drinking water etc); Manufacture and Use (includes methods of manufacture, demand, production, import and export).
Data sources are peer-reviewed, cited explicitly and updated at least biannually.
Always search literature databases to update information obtained from HSDB.
PPCPs include: medications, cosmetics, detergents, fragrances, sun screen, vitamins, antidepressants, hormonal substances, pain medications, antibiotics, caffeine, nutritional supplements etc.