The increasing quantity of recyclable materials is creating challenges for the recycling industry, as it is crucial that materials used both in the production of products and in the recycling process be consistent and free of impurities and contaminants. In this application note, a method for the analysis of benzene, acetaldehyde, and limonene in polyethylene terephthalate (PET) bottles is presented utilizing a Clarus® 590 GC with FID detector and TurboMatrix HS 40.