Authors:
Law, SA
Diamond, ML
Helm, PA
Jantunen, LM
Alaee, M
Citation: Sa. Law et al., Factors affecting the occurrence and enantiomeric degradation of hexachlorocyclohexane isomers in northern and temperate aquatic systems, ENV TOX CH, 20(12), 2001, pp. 2690-2698
Authors:
Meijer, SN
Harner, T
Helm, PA
Halsall, CJ
Johnston, AE
Jones, KC
Citation: Sn. Meijer et al., Polychlorinated naphthalenes in UK soils: Time trends, markers of source, and equilibrium status, ENV SCI TEC, 35(21), 2001, pp. 4205-4213
Authors:
Helm, PA
Diamond, ML
Semkin, R
Bidleman, TF
Citation: Pa. Helm et al., Degradation as a loss mechanism in the fate of alpha-hexachlorocyelohexanein arctic watersheds, ENV SCI TEC, 34(5), 2000, pp. 812-818
Authors:
Helm, PA
Jantunen, LMM
Bidleman, TF
Dorman, FL
Citation: Pa. Helm et al., Complete separation of isomeric penta- and hexachloronaphthalenes by capillary gas chromatography, HRC-J HIGH, 22(11), 1999, pp. 639-643