42 Scientific testing services, chemical research services, engineering services, and product development services in the field of chemicals, petrochemicals, artificial and synthetic resins, polymers, feedstock materials, plastics, recycled plastics, plastic waste materials, upcycled plastics, renewable products, and in related sustainable technologies; technical consulting relating to scientific testing, chemical research, engineering, and product development in the field of chemicals, petrochemicals, artificial and synthetic resins, polymers, feedstock materials, plastics, recycled plastics, plastic waste materials, upcycled plastics, renewable products, and in related sustainable technologies