N&O Index Card Listings

Displaying 1-3 of 3 results.
Phosphorus
  • Durham top source of Falls watershed phosphorus levels - Jy 8 83 1D
  • Phosphorus limits suggested for new sewage plants - Jy 22 83 5D
  • Cities study voluntary phosphorus controls to avoid state rules - Au 23 83 5C
  • Soap industry fights phosphorus plan - Se 6 83 5C
  • Tie to soap lobby not identified by adviser (Okun) in phosphorus talks - Se 16 83 1
  • Developers, towns deal with costs of phosphorus limit - Oc 23 83 33A
Phosphorus
  • Phosphorus levels and algae in Eastern N.C. waters (Chart) - Ja 10 91 2B
  • Editorial: A ban that rubs the right way - Jn 21 91 10A
Phosphorus
  • Ban gets tentative credit for drop in phosphorus levels - Mr 13 88 1
  • Phosphorus level changes (Chart) - Mr 13 88 10A
  • Phosphorus levels declining at plants; Study shows detergent ban having effect - De 11 88 35A
  • Wastewater phosphorus levels (Chart) - De 11 88 35A