To assist in determining soil types, OSHA has outlined a soil classification system (outlined in Appendix A of Subpart P) that categorizes soil and rock deposits in a hierarchy of stable rock ...

Upon course completion of students will have the ability to assess employers' compliance with the OSHA Excavation Standard, utilize soil testing methods to classify soil types, determine protective ...

OSHA outlines what the evaluator should be looking ... The type of system you use can depend on the soil type. If there’s a cave-in, employees have a very short amount of time to get to safety.