"Camp, Dresser and McKee, Inc (Boston, MA)" . . . . . . . . . . . "Chlorinated organics in digested, heat-conditioned, and purifax-treated sludges"@en . "Chlorinated organic compounds in digested, heat-conditioned, and purifax-treated sludges"@en . "Chlorinated organic compounds in digested, heat-conditioned, and purifax-treated sludges" . . . . . . .