Just CBD (and sometimes minor cannabinoids) crossing into your system fast

[31] Implementation and Enforcement Interviews with health department staff, researchers, legal professionals, and local government officials point towards some key best practices for adopting, implementing, and enforcing bans or restrictions on the sale of flavored tobacco products, including: using comprehensive policy language, including menthol identifying enforcement agents with sufficient capacity setting clear enforcement procedures, including for concept flavors implementing the policy through licensing with the potential for fines as well as license suspensions and revocations for violations examining potential economic and financial considerations deploying media campaigns to raise community awareness engaging community partners, including community members, priority populations, and youth engaging retailers as partners provide retailers with effective education, ideally through one-on-one outreach collecting baseline data to be able to demonstrate the impact of the policy, including disaggregated demographic data and data examining menthol separately from other flavors See more in Public Health Law Centers Flavored Tobacco Toolkit: Lessons Learned about Implementation of Flavored Policies, including: Flavored Tobacco Sales Prohibitions: Enforcement Options Evaluating Flavored Tobacco Sales Restrictions: A Literature Review Flavored Tobacco Sales Restrictions: An Interview with Cheryl Sbarra Case studies from San Francisco, CA

For moderate contamination, expect to repeat the process two to three times over a week
The final picture attached shows an identical pack taken from a captured Japanese POW Officer in New Guinea, by a GI from Chicago Area in 1944, thus confirming this brand was available to and used by Japanese service personnel in WWII.