EE WAS PULVERIZING & SPLITTING SAMPLES IN ASSAY LAB./ EE REPORTED TO SUPERVISOR ON 10-5 THAT SHE WAS EXPERIENCING NUMBNESS IN RT. INDEX & RING FINGERS THAT SHOOT UP THRU THE WRIST & ALONG INSI DE OR ARM. SHE SAID IT HAS BEEN A GRADUAL PROCESS OVER THE PAST 2-3 WEEKS.