EMPLOYEE CUT A POLYDEX SCREEN PANEL WITH A CHOPSAW. HE BECAME ILL LATER THAT EVENING AND DEVELOPED A MILD COUGH. 2 DAYS LATER HE WENT TO THE EMERGENCY ROOM BECAUSE OF SHORTNESS OF BREATH. HE WAS DIAGNOSED WITH CHEMICAL PNEUMONIA, CAUSED EVIDENTLY DUE TO FUMES FROM THE SAWING OPERATION.