Biodegradation ofPentachlorophenol bytheWhiteRotFungus Phanerochaete chrysosporium

g, 5 min). Portions ofthe extractwereanalyzedbyHPLCasdescribedaboveexceptthatelutionofTCHDandPCPwasmonitoredat 290nmforthe first 5 minandthen at 238 nmfor the remainingtime. TCHDandPCPwerequantitated byextrapolation byusingtheirpeakareasobtainedbyadigital integratorfromastandardcurveofpeakarea versus standard amountsofTCHDandPCP.RESULTSBiodegradation of PCP. Figure 1 demonstrates that PCPunderwentrapidandextensivedegradationin nutrient nitro-gen-limited cultures ofP. chrysosporium. Atan initial con-centration of1.1