N&O Index Card Listings

Displaying 1-3 of 3 results.
Chlorofluorocarbons
  • Northern Telecom to ban use of ozone-depleting chemical - Ja 18 90 1B
  • Many plants dropping use of ozone-eating CFCs - Oc 30 90 4A
Chlorofluorocarbons
  • Plant ends use of chemical that destroys ozone; Northern Telecom fulfills 1990 vow - Ja 3 91 3B
  • Northern Telecom Inc. to make 'board duster' (to reduce chlorofluorocarbons) - Se 12 91 6C
  • Northern Telecom ends use of CFCs - De 5 91 6C
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Chlorofluorocarbons
  • Chemical ban to save ozone could jolt N.C. - Mr 19 89 31A
  • Chlorofluorocarbon emissions in N.C. Top five counties (Chart) - Mr 19 89 42A
  • Electronics firms to cut use of CFCs - Oc 12 89 10B