Bentonite Performance Minerals (BPM) has an 80 year history of product innovation and commitment to quality. Mined from the highest quality Wyoming reserves and carefully monitored during stockpiling and hauling, BPM bentonite is processed under careful supervision of our Quality Assurance Laboratories to ensure that both BPM and industry standards are met. BPM is committed to continual product improvements using statistical methods to document our progress. BPM Quality Assurance Program meets the requirements of ISO 9001:2000 and all other applicable governing bodies. BPM was the first Wyoming bentonite producer to achieve ISO registration at all manufacturing locations. BPM is also licensed to use the API monogram labeling on its API bentonite products.