NEHA REH/RS Study Guide 2026-2027: Ace Your Registered Environmental Health Specialist Examination with 720 Practice Questions and Expert Explanations Are you ready to earn your NEHA Registered Environmental Health Specialist/Registered Sanitarian (REH/RS) credential but worried about passing this comprehensive examination on your first attempt? The Complete NEHA REH/RS Study Guide provides 800+ practice questions, 5 full-length practice exams, and proven strategies to help you achieve a passing score and launch your environmental health career with confidence. WHAT YOU'LL GET: • 720 practice questions covering all exam domains including food safety, water and wastewater, solid and hazardous waste, vector control, housing, and institutional sanitation—with detailed, step-by-step answer explanations • Complete content review organized by exam topic for focused, efficient studying that targets your weak areas and reinforces your strengths • Proven test-taking strategies to maximize your score, manage time under pressure, and approach complex scenario-based questions with confidence • 5 full-length practice tests that mirror the actual NEHA REH/RS exam format, difficulty level, and timing to build your test-day endurance • Quick reference sheets for high-yield topics, critical regulations, formulas, and must-know environmental health concepts you'll need at your fingertips • Updated for 2026-2027 with current exam content standards, CDC guidelines, FDA Food Code requirements, and EPA regulations • Real-world application scenarios that prepare you not just to pass the exam, but to excel as an environmental health professional in the field Developed using proven study methods trusted by successful REH/RS candidates nationwide, this guide has helped thousands of environmental health professionals achieve certification on their first attempt. Don't leave your success to chance . Start your preparation today with the comprehensive study guide trusted by thousands of successful environmental health professionals and take the first step toward earning your NEHA REH/RS credential. Disclaimer: This publication is an independent study guide and is not affiliated with, endorsed by, or associated with the National Environmental Health Association (NEHA). NEHA, Registered Environmental Health Specialist (REHS), Registered Sanitarian (RS), and REH/RS are trademarks of their respective owners. All trademarks are used in this book for identification and descriptive purposes only.