| Term | Definition |
| CHANGE APPLIES STRESS | MOVE STRESSED SYSTEM, SHIELD STRESSED SYSTEM, MOVE STRESSOR |
| CHANGE BREACH SIZE | CHILL CONTENTS, ACTIVATE VENTING DEVICES, LIMIT STRESS LEVELS, MECHANICAL REPAIR |
| CHANGE QUANTITY RELEASE | MINIMIZE PRESSURE DIFFERENTIAL, REMOVE CONTENT, CHANGE CONTAINER POSITION, CAP OFF BREACH |
| CHANGE SIZE OF DANGER ZONE | BARRIERS (DIKES AND DAMS), OVERPACKS, ABSORBENTS, REACTANTS,DILUENTS, ADSORBENTS |
| CHANGE EXPOSURE CONTACTED | PROVIDE SHELTERING, BEGIN EVACUATION, PERSONAL PERTECTIVE EQUIPMENT |
| CHANGE SEVERITY OF HARM | RINSE OFF CONTAMINATE, INCREASE DISTANCE FROM SOURCE, PROVIDE SHIELDING, PROVIDE PROMPT MEDICAL ATTENTION |
| THREE COMPONENTS OF AN INCIDENT | PRODUCT, CONTAINER ,ENVIRONMENT |
| THREE ELEMENTS OF AN INCIDENT | SPILL, LEAK, FIRE |
| PREDICTING AREAS OF POTENTIAL HARM WITHIN ENDANGERED AREA | COMPUTER MODELING, MONITOR EQUIPMENT, TECHNICAL ASSISTANCE, SPECIALISTS |
| NERVE AGENTS & VESICANTS | DETECTION PAPER M8/M9, ICAM-D, M18A2 CHEMICAL DETECTION KIT, ENZYME TICKETS, PHOTO-IONIZATION DETECTION, INFRAED SPECTROMETRY, ION-MOBILITY SPECTROMETRY, COLORMETRIC TUBES |
| BIOLOGICAL AGENTS & TOXINS | HAND HELD ASSAYS, INFRARED SPECTROMETRY, POLYMERASE CHAIN REACTION |
| ID UNKNOWN SOLID & LIQUID MATERIALS | RADIOACTIVITY, COMBUSTIBILITY, OXYGEN AVAIL/DEFICIENCY, PH, HYDROGEN SULFIDE, CARBON MONOXIDE, ORGANIC VAPORS |
| RESOURCE FOR DISPERSION PATTERN PREDICTION AND MODELING | WEATHER SERVICE, INDUSTRIAL FACILITIES, COMPUTER MODELS, COLLEGES & UNIVERSITIES, COUNTY,STATE, & FEDERAL AGENCIES |
| METHOD FOR DETERMINING THE AMT. OF LADING REMAINING DAMAGED BULK PACKAGING OR FACILITY CONTAINERS | GAUGING DEVICES, USE OF TEMP. GAUGES WITH VAPOR PRESSURE/TEMPERATURE CONVERSION CHARTS. LOOK AT SHIPPING PAPERS. |