forensic laboratory, consultative, expert opinion and testimony services in criminal and civil proceedings involving forensic toxicology and controlled substances, trace evidence and chemical hazard detection in food, drink and consumer products; forensic toxicology; forensic substance abuse testing; identification, assays and origin elucidations of controlled substances, physical and chemical comparisons, individualizations and identifications of trace evidence; chemical hazard detection in food, drink and consumer products; environmental and community toxicology; clinical toxicology; bioanalytical pharmacology; development, modification, application and validation of analytical method advances for emerging medicinal and environmental foreign compound analytes and biomarkers