TY - GEN AU - Kuehl,D W AU - Dougherty,R C TI - Pentachlorophenol in the environment. Evidence for its origin from commercial pentachlorophenol by negative chemical ionization mass spectrometry SN - 0013-936X PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1021/es60164a004 ER -