DURING AN INSPECTION ON 7/28/99, AN EPA INSPECTOR OBSERVED THAT A FIVE-GALLON CONTAINER USED TO ACCUMULATE HAZARDOUS WASTE WAS OPEN AND NOT LABELED WITH THE WORDS HAZARDOUS WASTE . THE FAILURE TO CLEARLY MARK THE CONTAINER WITH THE WORDS HAZARDOUS WASTE AND TO KEEP THE CONTAINER CLOSED EXCEPT WHEN ADDING OR REMOVING WASTE, CONSTITUTES A VIOLATION OF COLORADO'S HAZARDOUS WASTE REGULATIONS. THE ASSESSED PENALTY IS $1000. THIS ACTION FALLS UNDER RULE 22 AND THEREFORE, NO COMPLAINT WAS ISSUED.