EE RET'D FROM ON THE JOB ERRAND TO PICK UP SUPPLIES FOR THE COMPANY. GOT OUT OF HIS CAR, WENT INTO LAB, SAT DOWN, SUPERVISOR OBSERVED HE LOOKED VERY ILL & SUGGESTED THEY CALL 911 AND GET HIM TO HOSP. FIRE TRUCKS, AMBULANCE, POLICE ARRIVED WITHIN 10 MIN. EE TAKEN TO CARSON TAHOE HOSP. LATER CAREFLIGHTED TO WASHOE MED FOR SURGERY.