Nebraska cannabis testing requirements

Required tests

• Potency
• Pesticides
• Residual solvents
• Heavy metals
• Microbials
• Mycotoxins
• Water activity
• Moisture
• Foreign matter

ISO/IEC 17025 accreditation

Required. 238 NAC 1, 015.07(B): products must be tested by a lab accredited to ISO/IEC 17025:2017, with a scope covering every test the chapter requires. Samples must be collected in an ISO 17025-compliant way by an unaffiliated sampler.

Notes

• Initiative 437 legalized medical use of up to 5 oz by qualified patients; Initiative 438 created the Commission. No adult-use law.
• Allowed forms: tablets, capsules, tinctures, topicals, suppositories, patches, nasal spray, nebulizer or inhaler liquids. No raw flower, smoking, vaping or edibles; max 60% total THC or 40 mg per dose.
• Panel (238 NAC 1 §16, Table 1): cannabis lots get moisture content, water activity (fail above 0.65), foreign matter, potency, microbials, pesticides and heavy metals; concentrates and products add residual solvents. Mycotoxins are required for all.
• Microbials: total aerobic count, total yeast and mold, Salmonella, STEC, Aspergillus (4 species); suppositories and non-edible products add Pseudomonas and Staphylococcus aureus.
• Heavy metals: arsenic, cadmium, lead, mercury. Mycotoxins: total aflatoxins B1, B2, G1, G2 under 20 ppb; ochratoxin A under 20 ppb.
• Potency reports Total THC, Total CBD and THC analogs; a lot fails on synthetic cannabinoids, THC-O-acetate, or Δ3- or Δ10-THC above the action levels.
• 238 NAC 1 licenses cultivators, manufacturers, dispensaries and transporters only; there is no separate testing-lab license.
• In flux: four cultivators licensed; manufacturer applications open until Dec 14, 2026; dispensary applications not yet open. Proposed amendments (mainly fees; hearing Oct 15, 2026) keep the testing panel, renumbered as §14.