Chemical analysis; Chemical engineering; Chemical laboratories; Chemical research; Chemical, biochemical, biological and bacteriological research and analysis; Detection of contaminants in samples of any gas, liquid or solid; Development and test of chemical production methods; Executing of chemical analyses; Laboratory analysis in the field of chemical, atomic, molecular, and materials characterization for gases, liquids, and solids; Laboratory services, namely, pigment and color analysis; Material testing; Materials testing and analyzing; Materials testing and evaluation; Performance of chemical analyses; Product failure analysis services; Quality management services, namely, quality evaluation and analysis, quality assurance, and quality control, in the field of chemical, atomic, molecular, and materials characterization for gases, liquids, and solids; Quality measurement and analysis for medical practices and anesthesia practices; Research services in the field of forensic science, namely, analysis, detection and isolation of biological substances in forensic samples; Scientific and technological services, namely, qualitative or quantitative or both qualitative and quantitative identification of the composition, atomic constituents, molecular constituents of any material be it gas, liquid or solid; Scientific laboratory services; Testing of raw materials; Testing, analysis and evaluation of leaf and petiole samples; Testing, analysis and evaluation of materials, namely, metal, plastic and nylon; Testing, analysis and evaluation of metal tools, machinery and fabrication equipment; Testing, analysis and evaluation of the goods of others for the purpose of certification; Testing, analysis, and evaluation of the goods of others for the purpose of certification and re-certification; Testing, analysis, and evaluation of the goods of others to assure compliance with industry standards; Testing, analysis, and evaluation of goods of others to assure compliance with any industry standards; and Water analysis