nvq progression routes research chapter 3 4 the environmental technology sector ekos consulting exeter 119 executive summary this section summarises main findings for et that are detailed in following reference it highlights source of each finding should be noted only contains most significant and recommendations additional issues further detail given overview sub sections 1 2 purposes has been defined using available sic codes based on jemu definition these do not cover full manufacture ventilation equipment electricity distribution apparatus recycling metal waste scrap non collection purification etc water demolition wrecking buildings construction projects insulation work activities technical testing analysis sewage refuse disposal is a relatively new one recently being recognised its own right change perception result developments technologies services