On this weekâs hemp podcast we talk to Jonathon John, lab manager at Choice Extraction Inc. in Washington, Pennsylvania, where they focus on extraction and refinement of cannabinoid hemp. John talks about the extraction process and what farmers should expect from an extraction company â whatâs involved in the process, what questions should farmers be asking, what kind of output can you expect from your biomass. âWhen somebody comes to us as a farmer, we want to make sure that they understand the complete process of what is going to happen to their biomass,â John said in the interview.