Laserfiche WebLink
Sandra A McDonald <br /> • 3429 Belden Drive <br /> St. Anthony, Minnesota 55418 <br /> Home Telephone: 789-6875 <br /> Work Telephone: 659-7652 <br /> Employment History <br /> 1988 to Present: Senior Chemist, Mass Spectrometry Group, Twin City Testing, Saint Paul, <br /> Minnesota. <br /> Responsibilities have included: <br /> -Analysis of volatile and semi-volatile environmental and industrial samples using GC/MS <br /> techniques. <br /> -VOST testing by GC/MS. <br /> -EPA Special Analytical Services pesticide analysis using Contract Laboratory Program <br /> pesticide method and SW-846 method 8080. <br /> -Project manager and laboratory coordinator for methods development section; involved in <br /> pesticide residue analysis in compliance with GLP. <br /> -Development and optimization of laboratory methods and procedures. <br /> -Provide supervision and direction of less experienced Chemists and Technicians. <br /> -Client contact to provide technical information. <br /> Familiar with the following methodologies- <br /> -EPA 500 Series for drinking water. <br /> -EPA 600 series for waste water. <br /> -EPA RCRA methods for solid and hazardous waste. <br /> -EPA Contract Laboratory Program. <br /> -Minnesota.Department of Health procedures for volatiles and pesticides. <br /> -NIOSH methods of analysis of organic compounds in air. <br /> 1983 to 1988: Supervisor of the Gas Chromatography/Liquid Chromatography Section, PACE <br /> Laboratories, Golden Valley, Minnesota. <br /> -Supervised the Gas Chromatography/Liquid Chromatography section of the Organics <br /> Department. <br /> -Oversaw the operation and maintenance of instrumentation used in the analysis of trace <br /> organic compounds. <br /> -Developed new procedures based on approved methodologies to meet the changing needs . <br /> of environmental services. <br /> -Responsible for designing, implementing, and updating quality control procedures for the <br /> GC/LC section which were fundamental in obtaining analytical certification.for: <br /> State of Florida <br /> State of Wisconsin <br /> EPA Contract Laboratory Program <br /> NIOSH Proficiency Analytical Testing <br /> • <br />