42 Technical consultancy and technical analysis of weak spots in manufacturing and dyeing processes, with the aim of making processes more environmentally friendly; chemical analysis; quality control auditing, in particular preparation of technical reports relating to supply chains, with the aim of improving processes from a chemical and toxicological perspective and making them more environmentally friendly and sustainable; environmental impact assessment services; research in the fields of environmental protection and sustainability in particular in relation to the pre-treatment, dyeing and finishing of paper, textiles and leather; consultancy services relating to research in the field of environmental protection and sustainability in particular in relation to the pretreatment, dyeing and finishing of paper, textiles and leather; preparation of technical analyses in the fields of environmental protection and sustainability, in particular in relation to the pre-treatment, dyeing and finishing of paper, textiles and leather; preparation of environmental audits in the field of environmental protection, toxicology and sustainability, in particular in relation to the pre-treatment, dyeing and finishing of paper, textiles and leather; Testing, analysis and evaluation of the services of others to determine conformity with certification standards in the field of environmental protection, toxicology and sustainability, in particular in relation to the pretreatment, dyeing and finishing of paper, textiles and leather; scientific research services in the field of sustainability in particular in relation to the pretreatment, dyeing and finishing of paper, textiles and leather; technical consultancy in relation to energy, quality, toxicology and environmental management, in particular in relation to the pre-treatment, dyeing and finishing of paper, textiles and leather; research and preparation of technical reports relating to the paper, textile and leather industry, in particular in the fields of textile technology, textile chemistry, textile finishing, analysis and development of textile materials and products, textile ecology, environmental analysis, sustainability, social responsibility, occupational safety, product quality; quality control of clothing and textiles; material testing and preparation of technical reports in relation to material testing services; Testing, analysis and evaluation of the goods of others to determine conformity with certification standards; development and conducting of material testing, technical testing procedures, evaluations, audits, product certification, including consultancy in the fields of the pretreatment, dyeing and finishing of paper, textiles and leather; testing, analysis and evaluation of textile materials and products, and other consumer goods of others to determine conformity with certification standards; material testing in the field of textiles and analytical scientific and chemical laboratory services; Technical consultancy and technical analysis in the field of environmental assessment in relation to waste water management, energy management and waste management as well as to air emissions