1. Extent And Impact Of Alcohol And Drug Use Problems In The Workplace: A Review Of The Empirical Evidence -- 2. Predictors Of Drug Use And Implications For The Workplace -- 3. A Critical Review of the Estimates of the Costs of Alcohol and Drug Use -- 4. The Effects Of Psychoactive Substances On Workplace Performance -- 5. Drug Testing Methods And Interpretations Of Test Results -- 6. The Impact and Effectiveness of Drug Testing Programs in the Workplace -- 7. Evaluation Approaches For Cost-Effectiveness And Effectiveness Of Drug Testing Programs -- 8. Some Legal Aspects Of Drug Testing In The Canadian Workplace: Human Rights, Collective Bargaining And Labor Arbitration, And The Canadian Charter Of Rights And Freedoms -- 9. Constitutional And Statutory Treatment Of Drug Testing In The United States -- 10. Arbitration Of Drug Testing Disputes -- 11. Behavioral Tests To Assess Performance -- 12. Alternatives To Drug Testing: Employee Assistance And Health Promotion Programs -- 13. The Interrelations Of Drug Testing With Other Human Resource Management Practices And Organizational Characteristics -- 14. Union Perspectives On Workplace Drug Testing -- 15. Drug Testing, The War On Drugs, Workers, And The Workplace: Perspectives From Sociology.