10 free CHST practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
CHST Practice Test 3Tutor mode
Question 1 of 10
Hazard and Risk Identification and Control
Before trenching for a water service, the contractor called the one-call center. After 24 hours, the gas utility has not responded or marked its line, which is believed to cross the work area. What may the contractor do?