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CESCO Cheat Sheet 2026

The 30 highest-yield CESCO facts, distilled from real exam questions. Print it, save it as a PDF, or study it here ā€” free, no sign-up.

100 questions
150 min time limit
75.00% to pass
  1. What is the hierarchy of controls? ā†’ Ranking controls by effectiveness
  2. The 1990 Clean Air Act Amendments introduced a cap-and-trade program primarily to address which environmental problem? ā†’ Acid rain
  3. The Frank R. Lautenberg Chemical Safety for the 21st Century Act significantly amended TSCA in which year? ā†’ 2016
  4. What are environmental compliance audits? ā†’ Assessments of environmental compliance
  5. Which sampling media is most appropriate for collecting volatile organic compounds (VOCs) during personal air monitoring? ā†’ Activated charcoal sorbent tube with thermal desorption or solvent extraction
  6. The EPA's Toxic Release Inventory (TRI) program requires facilities to report annual releases of listed toxic chemicals under which law? ā†’ EPCRA Section 313
  7. Which of the following is an essential element of a final, high-quality environmental compliance audit report? ā†’ A clear statement of the audit scope, objectives, and the time period covered.
  8. Under PSM, how long must employers retain the five most recent compliance audit reports? ā†’ Until the next audit is completed
  9. Under PSM's Employee Participation element, employers must develop a written plan of action regarding employee participation and consult with employees on: ā†’ The conduct and development of process hazard analyses and other PSM elements
  10. Under OSHA PSM, employers must certify that operating procedures are current and accurate. How often must this certification occur? ā†’ Annually
  11. Under OSHA's Process Safety Management (PSM) standard, what is the threshold quantity of flammable liquids that triggers full PSM coverage? ā†’ 10,000 pounds
  12. What should be included in an incident report? ā†’ Facts and corrective actions
  13. What is an example of a state environmental regulation? ā†’ California Air Resources Board standards
  14. When performing a Job Hazard Analysis (JHA), what is the crucial first step after selecting the job to be analyzed? ā†’ Breaking the job down into a sequence of steps or tasks.
  15. The EPA's Green Chemistry program promotes which primary goal in chemical design? ā†’ Reducing or eliminating hazardous substances in chemical design and production
  16. Noise-induced hearing loss is a permanent condition. At what OSHA action level (8-hr TWA) must employers implement a Hearing Conservation Program? ā†’ 85 dBA
  17. What is the Clean Air Act designed to regulate? ā†’ Air emissions and pollution
  18. Why is timely investigation important? ā†’ To ensure accuracy and prevention
  19. OSHA's Hazard Communication Standard (HazCom) is aligned with which internationally recognized chemical classification system? ā†’ Globally Harmonized System (GHS)
  20. Which sampling method is used to determine personal airborne chemical exposure during a work shift? ā†’ Personal breathing zone (lapel) sampling
  21. Which PHA methodology uses structured guide words such as 'No,' 'More,' 'Less,' and 'Other Than' to systematically identify deviations from design intent? ā†’ Hazard and Operability Study (HAZOP)
  22. Which document lists chemical hazards and precautions? ā†’ Material Safety Data Sheets (MSDS)
  23. Which of the following is NOT one of the 14 elements of OSHA's Process Safety Management standard? ā†’ Environmental Impact Assessment
  24. Which federal regulation governs the transportation of hazardous materials in commerce, including proper classification, packaging, and labeling? ā†’ DOT Hazardous Materials Regulations (49 CFR Parts 100-185)
  25. What is a safety culture? ā†’ Commitment to safety by all employees
  26. Which class of respirator provides the highest level of respiratory protection and is suitable for IDLH atmospheres? ā†’ Self-Contained Breathing Apparatus (SCBA)
  27. What is root cause analysis? ā†’ Identifying underlying causes
  28. Which chemical was specifically banned by TSCA and is the subject of ongoing EPA phase-out rules for existing uses? ā†’ Asbestos
  29. What is the role of safety inspections? ā†’ To detect hazards and enforce standards
  30. When multiple chemicals are present in the workplace, OSHA requires that additive effects be considered. How is the combined exposure evaluated? ā†’ Sum each exposure fraction (Cā‚/Lā‚ + Cā‚‚/Lā‚‚ + ā€¦ Cā‚™/Lā‚™); if sum >1, the PEL is exceeded
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