Abstract: ON JUNE 25, 1992, EMPLOYEE #1 AND ANOTHER EMPLOYEE WENT TO EDWARDS OIL SERVICES, INC., THE EMPLOYER OF EMPLOYEES #2 AND #3, TO CLEAN UP INSIDE A CONFINED SPACE. AS THE WORK IN THE PROCESS SPACE STARTED, EMPLOYEE #2 WENT INSIDE THE WASTEWATER SEWER LINE TO REDIRECT THE AIR-PRESSURE HOSE USED IN UNCLOGGING THE SEWER LINE. AS EMPLOYEE #2 WENT INSIDE, HE WAS OVERCOME BY GAS. EMPLOYEE #1 WENT INSIDE THE CONFINED SPACE TO HELP EMPLOYEE #2 AND WAS ALSO OVERCOME. ANOTHER EMPLOYEE DREW AIR OUT OF THE CONFINED SPACE, USING HIS VACUUM-EQUIPPED TRUCK. EMPLOYEE #3 THEN WENT INSIDE THE CONFINED SPACE TO HELP EMPLOYEES #1 AND #2, BUT COULD NOT COMPLETE HIS ENTRY BECAUSE HE BECAME DISORIENTED AND DECIDED TO EXIT. AT THIS POINT, EMPLOYEE #1 APPEARED DEAD AND EMPLOYEE #2 WAS RESCUED BY THE EMS/FIRE DEPARTMENT.