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Hearing Conservation in the Cannabis Industry: OSHA Requirements for Processors and Cultivators

Julia Johnson, Growth Lead, Soundtrace at SoundtraceJulia JohnsonGrowth Lead, Soundtrace9 min readApril 1, 2026
Industry Guide·Cannabis·9 min read·Updated April 2026

The cannabis industry’s rapid growth has created a new class of manufacturing employer with occupational noise exposure from trim machines, extraction equipment, HVAC systems, and packaging lines. Many cannabis operators have focused compliance attention on state regulatory requirements and have not assessed their obligations under federal OSHA 29 CFR 1910.95. According to CDC/NIOSH, occupational safety standards apply to cannabis operations the same as any manufacturing employer, and production workers in extraction, processing, and packaging roles may face TWAs that trigger HCP requirements.

Cannabis Operations Noise Sources

Equipment / ProcessTypical LevelOSHA Status
HVAC systems (cultivation facilities)80–95 dBAAt or approaching action level
Extraction equipment (CO2, ethanol)85–100 dBAAt or above action level
Trim machines and processing equipment85–95 dBAAt or above action level
Packaging lines85–95 dBAAt or above action level
Industrial fans and air handlers80–90 dBAAt or approaching action level
OSHA Applies Regardless of Cannabis’s Federal Status

OSHA’s occupational safety mandate applies to cannabis employers with production workers regardless of the ongoing federal-state legal conflict over cannabis. OSHA compliance is a workplace safety obligation independent of product legal status. Cannabis employers who have not assessed their OSHA 1910.95 obligations based on cannabis’s federal classification are taking a compliance risk — OSHA has cited cannabis employers for safety violations.

Cultivation vs. Processing: Different Exposure Profiles

Cannabis cultivation areas with ambient HVAC noise may or may not reach the action level depending on system size and configuration. Processing, extraction, and packaging areas are more likely to exceed the action level due to mechanical equipment. Noise monitoring by job classification — cultivation worker, trim/processing worker, extraction operator, packaging worker — establishes which workers require HCP enrollment.

State Plan States and Cannabis Employers

In states with OSHA-approved State Plans (California, Washington, Colorado, and others with significant cannabis industries), the state agency administers occupational safety requirements that must be at least as effective as federal OSHA. Cannabis employers in these states are covered by state-level equivalents to OSHA 1910.95 for noise and hearing conservation.


Frequently Asked Questions

Does OSHA 1910.95 apply to cannabis cultivation and processing facilities?
Yes. OSHA 1910.95 applies to cannabis operations as general industry. Processing, extraction, and packaging operations can generate noise at or above the 85 dBA action level. Workers in these roles require noise monitoring to determine HCP enrollment obligations.
What are the primary noise sources in cannabis operations?
HVAC systems in cultivation facilities produce 80–95 dBA. Extraction equipment reaches 85–100 dBA. Trim machines and packaging lines generate 85–95 dBA. Commercial-scale operations with multiple processes may have higher ambient levels.
How does cannabis industry OSHA compliance work given federal-state law conflicts?
OSHA’s workplace safety mandate applies to cannabis employers regardless of cannabis’s federal legal status. In State Plan states, the state agency enforces equivalent standards. Cannabis employers face occupational safety compliance obligations in all states with production employees.

HCP Compliance for Growing Cannabis Operations

Soundtrace delivers OSHA-compliant audiometric testing for cannabis processing and packaging operations — establishing noise exposure baselines and enrolling workers as operations scale.

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Julia Johnson, Growth Lead, Soundtrace at Soundtrace

Julia Johnson

Growth Lead, Soundtrace, Soundtrace

Julia Johnson is the Growth Lead at Soundtrace, where she translates complex occupational health topics into clear, actionable content for safety professionals and employers. She works closely with the team to surface the insights and industry developments that matter most to hearing conservation programs.

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