Docket: Yor-04-370. Argued: November 18, 2004. Decided: February 23, 2005. Appeal from the Superior Court, York County, Fritzsche, J. A. Richard Bailey, Esq. (orally), Cozen O'Connor, Philadelphia, PA, Neal F. Pratt, Esq., Peter S. Black, Esq., Verrill Dana, LLP, Portland, for plaintiffs. Gerard O. Fournier, Esq. (orally), Portland, for Knowles Industrial Services Corp. David P. Very, Esq. (orally), Norman, Hanson DeTroy, Esq., Portland, for Nutec Industrial Chemical, Inc. David P. Silk, Esq. (orally)