Dell 1800MP Owner's Manual page 36

CAUTION:
Lamp Disposal (for the US only)
LAMP(S) INSIDE THIS PRODUCT CONTAIN MERCURY AND MUST BE
RECYCLED OR DISPOSED OF ACCORDING TO LOCAL, STATE OR FEDERAL
LAWS. FOR MORE INFORMATION, GO TO WWW.DELL.COM/HG OR CONTACT
THE ELECTRONIC INDUSTRIES ALLIANCE AT WWW.EIAE.ORG. FOR LAMP
SPECIFIC DISPOSAL INFORMATION CHECK WWW.LAMPRECYCLE.ORG.
36 Troubleshooting Your Projector