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15 results for PCB

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

Monday, May 13, 201338AE.P.A.-proscribed compound, for shortAllan E. Parrish
Monday, June 4, 201211ABanned organic compound, for shortJohn R. O'Brien
Sunday, March 20, 2011106AEnvironmental pollutant, for shortBrendan Emmett Quigley
Sunday, January 24, 2010145DToxic chemical, for shortDavid Kwong and Kevan Choset
Wednesday, April 29, 200953AToxic pollutant, for shortBarry C. Silk
Sunday, August 26, 200751DOutlawed pollutant, for shortAndrew M. Greene and Craig Kasper
Monday, May 7, 20011DChem. contaminantNancy Salomon and Bob Frank
Saturday, March 18, 200059DWildlife threat, brieflyRich Norris
Tuesday, March 14, 200049AChem. pollutantCynthia Joy Higgins
Monday, March 22, 199930DToxic compound, for short (2)Gregory E. Paul
Thursday, September 1, 199410DBanned chemical compoundManny Nosowsky
Saturday, March 26, 199429DToxic compound, for short (2)Randolph Ross

3 results for PCB from older pre-Shortz puzzles.

Friday, October 15, 19937AChemical pollutantDorothy ElliottTaub
Sunday, October 3, 199365DA water pollutantWarren W. ReichTaub
Sunday, July 24, 198369DControversial chemicalStanley GlassMaleska