The Certified Industrial Hygienist (CIH) from CDG is a rigorous, professionally built, text-based training and certification program designed for health, safety, and environmental professionals, supervisors, consultants, and technical staff who are responsible for assessing, controlling, and preventing occupational exposures. This self-paced course emphasizes practical application of industrial hygiene principles, aligning scientific fundamentals with real-world workplace practices. It is crafted to strengthen your ability to identify hazards, interpret exposure data, select and implement controls, and communicate findings with technical precision and regulatory awareness. The entire learning experience is delivered as structured, high-quality text lessons so you can study anywhere, at your convenience, complete a proctored online exam, and receive your certificate instantly online upon successful completion.

Course Overview

The CIH course from CDG covers the foundational science and applied methods central to modern industrial hygiene. The curriculum is presented as an integrated narrative that moves from hazard recognition through exposure assessment to control strategies and program management. Each text lesson is written to be clear, technical, and practice-oriented so learners can immediately apply concepts to workplace scenarios. The course emphasizes measurement theory, sampling strategies, interpretation of occupational exposure limits, respiratory protection programs, ventilation principles, noise and ergonomics control, chemical and biological agent management, and data quality assurance. Case examples and realistic scenarios are embedded throughout the text to illustrate decision-making, sampling plan design, and corrective action prioritization. Assessments are integrated into the learning flow to help you consolidate knowledge and evaluate readiness for the final online exam. Upon passing the exam, CDG issues an official CIH certificate electronically, providing verifiable proof of competency suitable for professional records and employer recognition.

Course Features

CDG’s CIH course is designed for maximum flexibility, deep technical learning, and immediate workplace relevance. The text-based lessons are crafted by subject-matter experts and engineers with practical industrial hygiene experience, ensuring that theory is always tied to application. The course includes practice questions and exam-style assessments that mirror the format and rigor of the final online exam to build confidence and exam readiness. Interactive checkpoints and scenario-based problem solving are embedded within the text to encourage critical thinking and application rather than rote memorization. Progress tracking and a personal learning dashboard let you resume exactly where you left off, and the course supports self-paced progression so you can fit learning around work commitments. The final assessment is administered online under secure conditions, and the certificate is generated and delivered electronically after successful completion, giving you an immediate credential to share with employers, professional networks, or certification boards.

Why Choose This Course?

Choosing CDG’s Certified Industrial Hygienist program means selecting a course built for professionals who demand substance, technical rigor, and practical relevance. The course avoids fluff and focuses on the core competencies employers expect from an industrial hygiene practitioner: hazard recognition, exposure evaluation, control selection, program implementation, and technical communication. Because the course is text-based, it is ideal for learners who prefer reading, annotation, and reflective study without the distractions of multimedia. The self-paced design respects adult learning needs and allows you to tailor study intensity to your schedule. The CDG CIH certification is designed to be employer-friendly, showing a demonstrable level of applied knowledge and decision-making capability in occupational hygiene. Additionally, the course content is continually reviewed and updated to reflect contemporary occupational health practices and the evolving science behind exposure assessment and control, ensuring your learning remains current and defensible.

Why Should You Enroll?

Enrolling in CDG’s CIH course will elevate your competence and credibility in occupational health and safety. If you are an industrial hygienist seeking formal recognition, an EHS manager who needs to establish or improve a workplace hygiene program, a safety professional broadening your technical scope, or a consultant aiming to deliver higher-value services, this course equips you with the knowledge and tools to succeed. The program is particularly valuable for those who must interpret exposure data, design sampling plans, justify control measures to leadership, or implement monitoring programs that withstand regulatory and legal scrutiny. The online exam and digital certificate provide a recognized milestone that you can present to employers and clients. Beyond certification, the course sharpens your analytical judgment—enabling you to balance science, practicality, budget, and human factors when making occupational hygiene decisions.

Enroll Now

Getting started with CDG’s Certified Industrial Hygienist is straightforward and built for working professionals. Enroll now to gain immediate access to the full text-based curriculum and learning dashboard. Study at your own pace, revisit lessons as needed, and take the online exam when you are ready. Upon passing, receive your official CIH certificate online to document your achievement and share with employers and professional networks. CDG supports adult learners with a practice-focused, technically rigorous program that moves you from knowledge to applied competence. Take the next step in your professional development—enroll in the CIH program today and build the technical foundation that employers and stakeholders respect.