THE CAUSE OF A CHEMICAL SPILL IN RICHLANDS VIRGINIA IS UNDER INVESTIGATION. THE SPILL OCCURRED YESTERDAY AFTERNOON AT BJ CHEMICAL SERVICES ON CHESTNUT STREET. POLICE SAID 150 GALLONS OF HYDROCHLORIC ACID LEAKED OUT. THREE EMPLOYEES WERE TAKEN TO A LOCAL HOSPITAL WHERE THEY WERE TREATED AND RELEASED. AUTHORITIES ARE CONTINUING TO INVESTIGATE THE CAUSE BEHIND THE INCIDENT.