SC Labs Report: Rolling Papers Tested for Heavy Metals and Pesticides


ABSTRACT A cluster of over-limit detections of the pesticide chlorpyrifos in pre-roll samples submitted to SC Labs for regulatory compliance testing were traced to contamination in the rolling paper. In response, SC Labs tested several samples of rolling papers, cones, and wraps to gauge the levels of potential contaminants in these types of products. The […]

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SC Labs Report: Hemp-derived CBD Products Analyzed to California Cannabis Compliance Standard


ABSTRACT SC Laboratories tested 17 samples purchased at unlicensed CBD shops or retailers in the Los Angeles area by the United Cannabis Business Association (UCBA). The samples, all labeled as hemp or hemp-derived products, had the complete California regulatory compliant cannabis test panel performed on them. Over 70% of the samples failed either for excessive […]

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My Role with the USP Cannabis Expert Panel to Establish Cannabis Quality and Safety Attributes (for Medical Patients)

USP Cannabis Expert Panel | Cannabis Inflorescence for Medical Purposes: USP Considerations for Quality Attributes

The USP Cannabis Expert Panel is working to develop quality and safety standards for the cannabis industry. These guidelines are essential for public health protection and will help facilitate scientific research on cannabis safety and therapeutic potential. For three years, I’ve served as an independent volunteer on the United States Pharmacopeia (USP) Cannabis Expert Panel, offering my […]

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Diversity and Social Equity in Cannabis

Jeff Gray, CEO and Co-founder of SC Labs

My name is Jeff Gray, and I’m CEO and Co-founder of SC Laboratories. We’ve been silent over this last week because we’ve been allowing, making space for other voices, and struggling with how to come to grips with our emotions, how we express ourselves, and add to the conversation. For me personally, my […]

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The Value of Testing for Cutting Agents

Vitamin E Cutting Agent Testing

Addressing the epidemic related to contaminated vape products is not only a top priority for public health officials, it is also a top priority for cannabis laboratories. As public health officials attempt to identify the cause of multiple respiratory deaths and illnesses, one chemical compound remains a potential concern—vitamin E acetate, also known as tocopheryl […]

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SC Labs Interviews Roy Upton of the American Herbal Pharmacopoeia

SC Labs interviews Roy Upton of the American Herbal Pharmacopeia. Roy co-authored the AHP’s Cannabis Monograph. What is a monograph? The American Herbal Pharmacopoeia® develops qualitative and therapeutic monographs on botanicals, including many of the Ayurvedic, Chinese, and Western herbs most frequently used in the United States. These monographs represent the most comprehensive and critically […]

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