. For a postal survey, this is satisfactory because surveys undertaken in environmentally sensitive industries as a rule tend to have a low response rate. Respondents were primarily senior level managers, which included CEOs, environmental managers, production managers and accounting directors, all of which had university education. In terms of establishment, approximately 72.73 percent of the participating companies have been established for more than 15 years. Table 1 provides data on age of company (years). The distribution of the sample companies by age of company guarantees a fair representation of both experienced and young enterprises.