An assembler on a factory’s paint line was exposed to paints, paint thinners, and solvents at work. She wore cotton gloves for hand protection but regularly had paint on her hands when she finished her shift. She developed squamous cell carcinoma in her left index and right middle fingers. She spent a total of 21 months in the "paint booth" at work, and was diagnosed more than two years after she stopped working in the booth. The arbitrator denied benefits, finding that she did not establish a compensable accident or a causal...