At a steel plant, workers have been complaining about asthma and other respiratory illnesses because of toxic fumes and inadequate ventilation. You work as a paralegal with the A & L law firm. Draft a  memo of law supported by scientific facts and statutes dealing with the harmful effects of fumes steel workers inhale at their work sites and how inadequate ventilation can worsen the problem. The memo should be persuasive enough to coax an attorney into accepting the case for the steel workers.