Tag: HF 2581

Murphy Presents on Cannabis Extracts at IAJ Criminal Law Seminar

On September 16, 2021 Colin Murphy presented at the annual Iowa Association for Justice Criminal Law Seminar in Iowa City. The presentation focused on the current legal status of cannabis extracts.  In particular, Colin demonstrated how defense attorneys can defend against marijuana charges involving extracts such as CBD, medical cannabidiol and delta-8 THC.     The […]

Read More

THC Metabolites Detected in Urine Following Full-Spectrum CBD Use

The November 4, 2020 issue of JAMA Psychiatry published results from a recent study examining whether the use of full-spectrum CBD from legal hemp (< 0.30% Δ9-THC) would lead to positive urine test results for THC metabolites. It has been often assumed that hemp-derived cannabidiol products will test negative for urinary THC.  However, the study […]

Read More

Record CBD Seizure in Adair County Ends with Court-Ordered Return to Client

Greenfield, Adair County, Iowa.  The drug defense attorneys at GRL Law prevailed again today by successfully securing a court order for the return of over-the-counter cannabidiol (CBD) products seized by local law enforcement.  The estimated retail value of these CBD products exceeded $3,000, which is believed to be the largest seizure of its kind in […]

Read More

New Hemp Testing for Total THC Requires 5 Grams

The Iowa Division of Criminal Investigation Criminalistics Laboratory recently updated its policies regarding Cannabis testing in light of the 2018 Farm Bill, S.F. 599 and H.F. 2581.  Under the new laws, cannabis containing less than 0.3% total THC (Δ9-THC + THCA) is considered hemp.  Hemp extracts, including CBD, are no longer controlled substances under state […]

Read More

Yes, Drug Testing Methods Can Mistake Hemp-Derived CBD for THC

I recently came across a little-known study published in the Journal of Analytical Toxicology that raises serious questions regarding whether the gold standard in forensic urine testing could mistake hemp-derived CBD for THC. Many laboratories include derivatization as a part of their sample preparation for analysis by gas chromatography – mass spectroscopy (GC-MS).  Derivatization is the […]

Read More