THE PURPOSE OF THE REPORT IS TO PROVIDE MANAGERS, PLANNERS, AND EVALUATORS WITH USEFUL INFORMATION ON SUBSTANCE ABUSE ARRESTS. NO ATTEMPT IS MADE TO SUGGEST APPROACHES TO THE ANALYSIS OF DATA, AND NO CONCLUSIONS ABOUT THE IMPLICATIONS OF DATA ARE DERIVED. ARREST DATA ARE FIRST COMPARED BY COUNTY. FIVE OTHER SECTIONS CONTAIN: (1) STATE SUBSTANCE ABUSE ARREST TABLES, PRESENTING ARREST DATA BY REGIONS, COUNTIES WITHIN REGIONS, AND STATE TOTALS FOR EACH MAJOR SUBSTANCE ABUSE-RELATED ARREST CATEGORY; (2) ARREST RATE TABLES, PROVIDING DATA ON ARREST RATES PER 10,000 POPULATION, (3) POSSESSION, SALE, AND/OR MANUFACTURING ARREST TABLES, CONTAINING INFORMATION ON DRUG ARRESTS FOR POSSESSION SEPARATELY FROM DRUG ARRESTS FOR THE SALE AND/OR MANUFACTURE OF DRUGS; (4) AGGREGATED SUBSTANCE ABUSE ARREST TABLES, PRESENTING AGGREGATED DATA AS WELL AS A COMPARISON OF SUBSTANCE ABUSE ARRESTS WITH OTHER TYPES OF ARRESTS FOR THE 4-YEAR PERIOD; AND (5) BAR GRAPHS, DISPLAYING STATE TOTALS FOR SELECTED CATEGORIES OF SUBSTANCE ABUSE-RELATED ARRESTS. DEFINITION FOR EACH ARREST CATEGORY ARE OFFERED. (DEP)