MIDAMERICAN ENERGY CO WALTER SCOTT JR ENERGY CENTER

Active TRI Registrant

7215 NAVAJO

COUNCIL BLUFFS, IA 51501

EPA TRI Facility ID: 51501CNCLB2115N

Toxic Chemical Releases

Reported to EPA under the Toxics Release Inventory program, most recent reporting year.

Barium And Barium Compounds1,178,809 pounds

Vanadium compounds48,025 pounds

Manganese And Manganese Compounds45,384 pounds

Copper And Copper Compounds41,339 pounds

Zinc compounds26,267 pounds

Ammonia16,499 pounds

Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)16,142 pounds

Lead And Lead CompoundsPersistent Bioaccumulative Toxic9,195 pounds

Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)780 pounds

Mercury And Mercury CompoundsPersistent Bioaccumulative Toxic266 pounds

Xylene (mixed isomers)140 pounds

NaphthaleneCarcinogen40 pounds

Polycyclic aromatic compoundsCarcinogen · Persistent Bioaccumulative Toxic4.18 pounds

1,2,4-Trimethylbenzene4 pounds

Dioxin and dioxin-like compoundsCarcinogen · Persistent Bioaccumulative Toxic1.39 grams

Other Registered Facilities Nearby

Source: U.S. EPA Toxic Release Inventory. Registration means this facility reports certain chemical activity to the EPA — it does not by itself indicate a violation or health hazard.