42 (Based on Intent to Use) Chemical research; research and development of chemical preparations and chemical reagents used in the detection, measurement, analysis and identification of chemicals, bio-chemicals, biological materials, bacterial materials, explosive materials, biomarkers and bioharzardous materials; research and development of portable devices for the detection, measurement, identification and analysis of vapor trace chemicals, bio-chemicals, biological materials, bacterial materials, explosive materials, biomarkers and bioharzardous materials; chemical, bio-chemical, biological and bacterial analysis services, namely, analysis, detection, measurement, and identification of chemical, bio-chemical, biological, and bacterial materials; chemical, bio-chemical, biological and bacterial analysis, detection, measurement, and identification services, for food safety testing purposes; chemical, bio-chemical, biological, and bacterial analysis services, namely, analysis, detection, measurement, and identification of chemicals, bio-chemicals, biological materials, bacterial materials, biomarkers and bioharzardous material for security purposes