Making a  Commitment Comprehensive monitoring and scientific study, compliance with international standards, and commitment to reclamation and revegetation  highlight a mission of environmental responsibility. Environmental Management  We are committed to minim izing the impact of our operations on the sur- roundi ng environment and to reclaiming or revegetating  affect ed land. Through our comprehensive Environmental  Policy, we commit to sound environmental management  and pr actices, to providing adequate resources to fulfill  our re sponsibility, to comprehensive monitoring to assess  our eff ectiveness and to continuous improvement of our pe rformance. This policy is available on our web site  (www. fcx.com). 14 |  FREEPORT-McMoRan COPPER & GOLD INC. • Comprehensive, ongoing scientific studies on land r ec- lamation and revegetation in both the highlands an d  • Data from biological sampling continued to show th at  the estuaries downstream of the tailings deposition  area are functioning ecosystems based both on the number of species and the number of specimens collected of nektonic, or free-swimming, organis ms  such as fish and shrimp. • Sampling in 2004 continued to demonstrate that th e  water in the river that transports the tailings from t he  highlands meets the Indonesian and U.S. Environme ntal  Protection Agency drinking water standards for dissolved metals.  • For  2004, our comprehensive long-term monitoring  prog ram included the collection of approximately 7,200  envi ronmental samples and almost 50,000 analyses,  whic h included aquatic biology, aquatic tissue, plant  tissu e, mine water, surface water, ground water, sani- tary  wastewater, river sediments and tailings, the finely  gro und natural rock residue from our milling process.  • PT F reeport Indonesia does not use mercury or cyanide  in its processes, relying instead on a flotation process  that physically separates the copper- and gold-bearing  min erals from the ore. Comprehensive monitoring con- duct ed for years continues to show there is no signifi- cant level of mercury, arsenic or cyanide in the water,  sedi ment, fish or plants in our operations area.  Highli g hts Matoa trees (a local Papuan fruit) and dozens of other plants  thrive on soil containing tailings, the natural crushed rock fro m  our milling process, as part of PT Freeport Indonesia’s reclama tion  development program.