Certified OSHA Noise & Hearing Specialist (CONHS)
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Course Description
The Certified OSHA Noise & Hearing Specialist (CONHS) course is a comprehensive professional training program designed for safety professionals, industrial hygienists, occupational health specialists, supervisors, and compliance personnel responsible for managing workplace noise hazards and hearing conservation programs. This course provides participants with the knowledge and practical skills required to recognize, evaluate, and control occupational noise exposures while ensuring compliance with OSHA noise standards and hearing conservation requirements.Excessive workplace noise remains one of the leading causes of occupational hearing loss across manufacturing, construction, mining, transportation, utilities, oil and gas, warehousing, and other industrial environments. Effective noise management requires professionals who understand sound measurement, exposure assessment, engineering controls, administrative controls, and hearing protection strategies that reduce employee exposure and protect long-term hearing health.
Throughout this course, participants will gain an in-depth understanding of OSHA Occupational Noise Exposure Standards (29 CFR 1910.95) for general industry and applicable construction noise requirements. Students will explore the properties of sound, noise-induced hearing loss (NIHL), hearing conservation programs, sound level monitoring, noise dosimetry, audiometric testing, exposure calculations, engineering noise controls, administrative controls, and personal hearing protection.
The program also covers workplace noise surveys, sound level meter operation, hearing protection device selection, fit testing, employee training, regulatory documentation, compliance auditing, and best practices for reducing occupational noise hazards. Practical demonstrations and real-world case studies help participants develop the confidence to conduct workplace noise assessments, evaluate compliance, and implement effective hearing conservation strategies.
Upon successful completion of the Certified OSHA Noise & Hearing Specialist (CONHS) course, participants will be prepared to develop and manage workplace hearing conservation programs, perform occupational noise evaluations, ensure OSHA compliance, and promote a safer work environment. This certification is ideal for professionals seeking to advance their careers in occupational health, industrial hygiene, environmental health and safety (EHS), and workplace regulatory compliance.
What You'll Learn
- Upon successful completion of the Certified OSHA Noise & Hearing Specialist (CONHS) course, participants will be able to:
- Understand OSHA Occupational Noise Exposure Standards (29 CFR 1910.95) and hearing conservation requirements for general industry and construction.
- Identify workplace noise hazards and evaluate employee exposure using sound level meters, noise dosimeters, and exposure monitoring techniques.
- Conduct workplace noise surveys and interpret sound measurement data to determine compliance with OSHA regulations.
- Apply engineering controls and administrative controls to reduce occupational noise exposure and prevent hearing loss.
- Develop and implement comprehensive hearing conservation programs that protect employee hearing health.
- Select, fit, and evaluate appropriate hearing protection devices (HPDs) based on workplace noise levels and job requirements.
- Understand the causes, prevention, and long-term effects of noise-induced hearing loss (NIHL).
- Conduct employee training on hearing conservation, hearing protection, and workplace noise awareness.
- Maintain accurate documentation, exposure records, and compliance reports to support OSHA inspections and regulatory audits.
- Promote a proactive workplace safety culture focused on occupational health, hearing protection, and continuous improvement.
Who Should Attend
This course is designed for: Safety, Health, and Environmental Professionals Training Managers Industrial Hygienists Individuals associated with the federal agency's collateral duty safety and health personnel.
Certified OSHA Noise & Hearing Specialist (CONHS) Blueprint
1. Overview
The Certified Safety Health Specialist - General Industry (CONHS) blueprint summarizes the examination structure and core knowledge areas aligned to the IASHEP General Industry course. The source course emphasizes 29 CFR 1910 safety regulations and standards, OSHA policies and procedures, hazard recognition, workplace inspections, risk assessments, incident investigations, corrective actions, and safety program implementation.
2. Examination Parameters
| Duration | 4 Day course alignment |
| Total Questions | Standardized assessment |
| Question Format | Multiple-choice and scenario-based |
| Passing Score | Standard passing requirement |
3. Prerequisites & Qualifications
Candidates for this certification generally have responsibilities in workplace safety, compliance, supervision, industrial hygiene, facility operations, risk management, or program administration. Preparation should include:
- Familiarity with OSHA general industry requirements and 29 CFR 1910 standards.
- Ability to recognize common workplace hazards and recommend controls.
- Understanding of inspections, risk assessments, incident investigations, and corrective action planning.
- Practical experience supporting or managing safety and health programs.
4. Examination Domains
| Domain Name | Weight (%) | Number of Questions |
|---|---|---|
| 1. OSHA General Industry Regulations and Compliance | 25% | 25 |
| 2. Hazard Identification and Risk Assessment | 20% | 20 |
| 3. Safety Program Implementation and Hazard Controls | 20% | 20 |
| 4. Workplace Inspections and Corrective Actions | 15% | 15 |
| 5. Incident Investigation and Prevention Planning | 10% | 10 |
| 6. Communication, Training, and Professional Application | 10% | 10 |
| TOTAL | 100% | 100 |
5. Domain Breakdown
Domain 1: OSHA General Industry Regulations and Compliance
Weight: 25%
Knowledge of:
- OSHA general industry regulations, standards, policies, and procedures.
- 29 CFR 1910 safety regulation/standard structure and application.
- Regulatory compliance requirements for workplace safety and health programs.
- Use of OSHA standards as a guide for identifying high-hazard areas.
Domain 2: Hazard Identification and Risk Assessment
Weight: 20%
Knowledge of:
- Recognition of common workplace hazards including chemical, electrical, machinery, ergonomics, and environmental risks.
- Risk assessment methods for prioritizing hazards and exposures.
- Hazard identification, avoidance, control, and prevention concepts.
- Selection of practical control strategies based on observed workplace conditions.
Domain 3: Safety Program Implementation and Hazard Controls
Weight: 20%
Knowledge of:
- Implementation of effective safety programs and hazard control measures.
- Accident prevention strategies and corrective action planning.
- General industry safety and health principles as applied to real-world situations.
- Integration of safety procedures into routine operations.
Domain 4: Workplace Inspections and Corrective Actions
Weight: 15%
Knowledge of:
- Planning and conducting workplace inspections.
- Documenting inspection findings and identifying corrective actions.
- Evaluating facility, maintenance, production, and healthcare work environments.
- Communicating inspection results to supervisors, coordinators, and managers.
Domain 5: Incident Investigation and Prevention Planning
Weight: 10%
Knowledge of:
- Incident investigation principles and root-cause awareness.
- Corrective action planning following accidents, near misses, or identified hazards.
- Use of incident findings to improve hazard control and prevention programs.
- Follow-up activities to verify corrective actions are completed.
Domain 6: Communication, Training, and Professional Application
Weight: 10%
Knowledge of:
- Communicating OSHA requirements and safety expectations to workers and management.
- Supporting training, orientation, and safety awareness activities.
- Applying course knowledge immediately in workplace settings.
- Professional responsibilities for safety supervisors, coordinators, industrial hygienists, facility managers, line supervisors, and program administrators.
6. Additional Information
Course Alignment:
- IASHEP CSHS-GI course page identifies the course as a 4-day intermediate General Industry course.
- The course description identifies 29 CFR 1910 safety regulations/standards as the primary focus.
- The course outcomes include OSHA compliance, hazard identification, safety program implementation, workplace inspections, risk assessments, incident investigations, and corrective action planning.
Source: IASHEP course page, Certified Safety Health Specialist - General Industry (CONHS), accessed May 14, 2026.