1. I develop analytical chemistry methods based on client's available technology. I also troubleshoot existing methods, provide scientific explanations to compare competitor 2. I research and develop calculations based on client's requirements. 3. I develop new calibrations of client's analytical equipment, based on the typical samples. I also troubleshoot existing calibrations. 4. I create validation and IQ/OQ/PQ/DQ packets. 5. I write chemical summary reports and communications. Depending on local COVID-19 conditions, I am available for onsite consultation.