Thornton, J. (1993) Chlorine, Human Health, and the Environment: The Breast Cancer Warning. Greenpeace US, October 1993: 35 pp. Download Report

Johnston, P. & Stringer, R. (1993) Alternative methods for chemicals detoxification: An overview of the U.S. evaluation of options for chemical weapons. Greenpeace Research Laboratories, October 1993: 15 pp. Download Paper

Glegg, G. & Johnston, P. (1993) The Policy Implications of Effluent Complexity. Greenpeace UK & Greenpeace Research Laboratories, 1993: 9 pp. Download Paper

Johnston, P.A., MacGarvin, M. Stringer, R.L., Troendel, S., & Swindlehurst, R.J. (1993). Sewage: Towards Realistic Environmental Protection. Greenpeace Research Laboratories, 1993: 12 pp. Download Paper

MacGarvin, M. & Johnston, P. (1993). On Precaution, Clean Production & Paradigm Shifts. University of Aberdeen & Greenpeace Research Laboratotries, 1993: 12 pp. Download Paper  

Stringer, R. & Johnston, P. (1993). Land Contaminated by Chlorinated Dioxins and Furans: A Brief Overview of the Causes, Effects and Solutions. Greenpeace Research Laboratories, 1993: 6 pp. Download Paper

Tröendle, S., Clayton, R., & Stringer, R. (1993) Environmental Pollution Associated with Oil Drilling Operations in Sumatra, Indonesia. Greenpeace Research Laboratories, Technical Note 01/93, July 1993: 32 pp. Download Paper

Johnston, P. & Stringer, R. (1993) Alternative detoxification technologies for chemical weapons. Greenpeace Research Laboratories May, 1993: 15 pp. Download Paper

Johnston, P. & Tröndle, S. (1993). PVC – An Environmental Perspective. Greenpeace Research Laboratories, April 1993: 10 pp. Download Paper  

Simmonds, M.P., Johnston, P.A., & French, M.C. (1993). Organochlorine and mercury contamination in United Kingdom seals. March, 1993: 4 pp. Download Paper