Create a lamp purchasing plan that specifies a maximum average mercury content of no more than 90 picograms per lumen-hour for at least 90% of the lamps in the project building and associated grounds. Identify low-mercury lamps that will work with existin

Create a lamp purchasing plan that specifies a maximum average mercury content of no more than 90 picograms per lumen-hour for at least 90% of the lamps in the project building and associated grounds. Identify low-mercury lamps that will work with existing fixtures and ballasts when possible, and be sure to provide appropriate illumination levels and quality. Record the following manufacturer data for each lamp entered in the  purchasing plan:

• Rated average life (hours)
• Mean Light Output (lumens)
• Mercury content (milligrams)