DuPont Continues to Reduce Environmental Footprint
TRI Data For 2001 Continues to Show Decline

WILMINGTON, Del.,  May 02, 2003  —  DuPont decreased its releases to air, water, land and underground injection wells by 12 percent in 2001 versus 2000, according to data provided to the U.S. Environmental Protection Agency (EPA) for its Toxic Release Inventory (TRI). The decrease was due primarily to reducing air emissions at the source and reducing nitrate compounds in wastewater discharges.

"Reducing our environmental footprint is an essential component of our strategy to achieve sustainable growth," said Paul Tebo, vice president – Safety, Health and Environment. "While we are pleased to note the progress we are making, it is important to know that we remain focused on our goal of zero waste and emissions."

Since 1987, DuPont has reduced its releases by 79 percent, even though production increased by more than 35 percent. Some 286 new compounds were added to the EPA's TRI reporting list in 1995.

DuPont reported releases and transfers of persistent, bioaccumulative and toxic (PBT) compounds for the second consecutive year in 2001 under an EPA requirement to report these compounds of concern at much lower threshold values. These include 104 kg. of dioxin and dioxin-like compounds (D&DLC) (up from 64 kg. in 2000), 5,800 lbs. of Hexachlorobenzene (down from 7000 lbs. in 2000) and 380 lbs. of polychlorinated biphenyls (PCB’s) (down from 530 lbs. in 2000).

The increase in D&DLC was due to the cleanout of a storage tank and does not represent an increase in the generation of D&DLC. Some 99.9 percent of D&DLC, more than 98 percent of Hexachlorobenzene and more than 99 percent of PCB's, were placed securely in landfills. The small remaining quantity of these compounds was released to air or water. The company is committed to reducing PBT's in its operations and waste, and has targeted a 90 percent reduction of D&DLC by the end of the year 2007.

The DuPont Sustainable Growth 2001 Progress Report and company environmental data are available on the Internet: www.dupont.com/corp/social/SHE/index.html.

DuPont is a science company. Founded in 1802, DuPont puts science to work by solving problems and creating solutions that make people's lives better, safer and easier. Operating in more than 70 countries, the company offers a wide range of products and services to markets including agriculture, nutrition, electronics, communications, safety and protection, home and construction, transportation and apparel.

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5/2/03

DuPont Releases and Transfers (mm lbs.)
Year Air Water Land UIJ* Total
Releases
Transfers POTW* * Total
Releases & Transfers
1987 67.6 2.0 1.4 236.5 307.5 22.9 12.6 342.9
1995 31.5 8.5 0.9 61.2 102.1 65.2 1.3 168.5
1996 24.8 9.0 0.3 51.7 85.8 56.7 1.2 143.7
1997 22.8 10.9 0.04 49.5 83.6 56.7 1.0 141.3
1998 19.2 11.6 5.8 45.2 81.8 47.8 0.8 130.4
1999 16.9 13.1 10.7 38.6 79.3 53.8 0.8 133.5
2000 16.4 9.9 11.1 37.8 75.2 40.1 0.6 115.9
2001 15.2 7.0 10.9 32.8 65.9 41.4 0.7 108.8
*  Underground injection
* * Publicly Owned Treatment Works