21. Guano mining resumed on Navassa at a much reduced level . 22. A reduced level of capacity, which can be maintained for hours, is often calculated. 23. The EPA had directed states to take steps to reduce levels of these pollutants. 24. Other goals of the project include reducing levels of sulfur in fuel oil and diesel. 25. The main aim of these studies is to reduce levels of environmental noise and vibration. 26. The spending measure would fund the government through Dec . 1, at sharply reduced levels . 27. But even that reduced level would still be a sharp rise from the first quarter. 28. Future studies may show reduced levels of intraoperative awareness when using this type of monitoring. 29. In the years immediately after the withdrawal, Roman towns survived, albeit on a reduced level . 30. This reduces levels of pollutants such as carbon monoxide.
