THE EE RAN AN INSTRUMENT IN THE LAB WITHOUT AN EXHAUST FAN. SHE FELT ILL AFTER RUNNING THE INSTRUMENT SO THOUGHT IT WAS THE CAUSE. MSHA STATE & FEDERAL BOTH INVESTIGATED THIS INCIDENT & HAD A NEGATIVE FINDING. AN MSA ORION DELUXE GAS ANALYZER WAS USED TO TEST THE ENVIROMENT. IT SHOWED NO GAS PRESENT