/ California cannabis regulations Content for 海角社区 en /food/news/how-much-does-it-cost-california-cannabis-growers-safety-test <p>海角社区 researchers find that California cannabis safety tests cost growers about 10 percent of the average wholesale price of legal cannabis. The biggest share of this expense comes from failing the test.&nbsp;</p> April 23, 2020 - 11:00am Amy M Quinton /food/news/how-much-does-it-cost-california-cannabis-growers-safety-test