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17 results for PCB

14 Shortz Era entries found. Click any date for context. Repeated clues show (number of Shortz Era occurrences).
See the dictionary definition for PCB.

DateGridClueAuthor
Mon May 14, 201846DBanned pollutant, in briefAndrea Carla Michaels
Sat Feb 24, 201846DChemical contaminant, for shortJohn Guzzetta
Mon May 13, 201338AE.P.A.-proscribed compound, for shortAllan E. Parrish
Mon Jun 4, 201211ABanned organic compound, for shortJohn R. O'Brien
Sun Mar 20, 2011106AEnvironmental pollutant, for shortBrendan Emmett Quigley
Sun Jan 24, 2010145DToxic chemical, for shortDavid Kwong and Kevan Choset
Wed Apr 29, 200953AToxic pollutant, for shortBarry C. Silk
Sun Aug 26, 200751DOutlawed pollutant, for shortAndrew M. Greene and Craig Kasper
Mon May 7, 20011DChem. contaminantNancy Salomon and Bob Frank
Sat Mar 18, 200059DWildlife threat, brieflyRich Norris
Tue Mar 14, 200049AChem. pollutantCynthia Joy Higgins
Mon Mar 22, 199930DToxic compound, for short (2)Gregory E. Paul
Thu Sep 1, 199410DBanned chemical compoundManny Nosowsky
Sat Mar 26, 199429DToxic compound, for short (2)Randolph Ross

3 results for PCB from older pre-Shortz puzzles.

DateGridClueAuthorEditor
Fri Oct 15, 19937AChemical pollutantDorothy ElliottTaub
Sun Oct 3, 199365DA water pollutantWarren W. ReichTaub
Sun Jul 24, 198369DControversial chemicalStanley GlassMaleska