EE WAS OPERATING A SMALL GAS FRILL AT LUNCH TIME, PREPARING LUNCH ON THE DREDGE. A FALL, SPARE PROPANE BOTTLE 20 LB WAS PLACED NEXT TO THE OPERATING GRILL. SPARE BOTTLE SUSTAINED A LEAK, WHICH CAUSED A FIRE IN THE CABIN OF THE DREDGE. EE EXTINGUISHED FIRE WITH A GARDER HOSE CONNECTED TO THE SERVICE PUMP OF THE DREDGE. EE SUFFERED 2ND & 3RD DEGREE BURNS TO HEAD, FACE, HANDS A FOREAR