personnel













Marcela Gracia Hawk
President
Education: Pan American University, B.B.A. Management
Experience: Over twenty five years finance, management, and personnel administration. Ten plus years laboratory management experience. Past Vice-Chairman and Program Director for the Alamo Laboratory Analyst Chapter of the Texas Water Utilities Association. Member of the Texas Water Utilities Association and San Antonio Manufacturer's Association.

 

personnel















Richard R. Hawk
General Manager
Education: Northern Michigan University
Experience: 30 years experience in laboratory management, operations and administration. Past President of the Alamo Laboratory Analyst Association. Past Chairman of the Lab Analyst's Section of the Texas Water Utilities Association.

Sairam Abburu
Laboratory Director
Education: M.S. from The University of Texas at San Antonio
Experience: 23 years in environmental laboratories in the areas of laboratory management & opeations, project management, quality management and client liaison. Laboratory experience includes extraction and analyses of organics and inorganics pollutants. Sound knowledge on QA/QC procedures, including NELAC & TNI standards. Experienced on various analytical instrumentation including GC, GC/MS, HPLC, and ICP, ICP-MS, IC. Extensive knowledge on EPA SW-846, various wastewater, drinking water and general chemistry methods. Knowledgeable on drikinng water regulations with respect to public water systems.

Michael Bernard
Quality Assurance Manager
Education: B.A. from Rutgers University, New Jersey
Experience: Has 25+ years of chemistry experience in environmental laboratories. Experience with laboratory operations, quality systems, and routine audit processes. Technical background in analytical instrumentation such as GC/MS, GC, HPLC, etc. Knowledgeable on NELAC standard, compliance and accreditation requirements.

Ralph Burpee
Organics Analyst
Education: Sacramento City College.
Experience: 20+ years of chemistry experience in environmental and research field. Experience with GC/MS, GC, ICP and Wet Chemistry methods. Expertise in the analysis of Petroleum Hydrocarbons, Volatile Organic Compounds, Semi-volatile organic compounds, PCBs, and Pesticides. Experienced in SW-846, EPA, TCEQ, TRRP protocols for the analysis of organic pollutants. Knowledgeable of NELAC and TNI requiements

Bradley Dale Wagner
Organics Analyst
Education: B.A. from The University of Texas at Austin
Experience: 17+ years of experience in environmental laboratory. Experienced with GC/MS, GC instrumentation techniques. Expertise in the analysis of Petroleum Hydrocarbons, Volatile Organic Compounds, Semi-volatile organic compounds, PCBs, and Pesticides. Experienced in SW-846 and EPA methodsfor the analysis of organic pollutants. Knowledgeable of NELAC and TRRP requirements.

Xavier Escobar
Inorganic Analyst
Education: B.S. from Texas State University.
Experience: 20+ years of experience in inorganic methods and instrument analyses. Expertise with various analytical instrumentation such as ICP, ICP/MS, GFAA, and AA analyzers. Well versed in EPA methods for the analysis of inorganic pollutants. Knowledgeable of NELAC & TNI, TRRP requirements. Core expertise is in ICP, ICP-MS, AA.

Jay E Lorenzo
Wetchmistry Analyst
Education: B.S. from Samboanga University
Experience: 7+ years of experience with wetchemical analyses, including BOD, TSS, TDS, distillation techniques. Well versed with various laboratory equipment including ion chromatograph, spectrophotometers, bench top meters. Knowledgeable of NELAC and TNI requiements.

Haley Canady
Microbiologist
Education: B.S., from University of North Texas.
Experience: Experienced in microbiology testing of environmental samples following methods specified in EPA and Standard Methods. Knowledgeable of NELAC and TNI requirements for microbilogical analyses. Expertise in various microbiological techniques and compliance requirements for public water distribution systems.

Marissa E. Esquivel
Laboratory Technician
Education: B.S. from Texas A & M University
Experience: Experienced in sample preparation and extraction of organic and inorganic pollutant analyses. Well versed with liquid-liquid and sonication extraction techniques for organic methods. Knowledgeable of various general laboratory equipment, spectrophotometers, bench top meters.

James Penrod
Field Technician
Education: Diploma
Experience: Sample collection consisting of composite sampling, stormwater sampling, and grab sampling. Sample segregation and waste management.

Sandra Felix
Accounting
Education: High School Diploma, Highlands High School Experience: 15+ years experience in Sample Shipping and Receiving, data entry and Reporting, Customer Service, Bookkeeping and General office procedures.

Aimee L. Landon
Sample Receiving Education: Bachelor of Arts, York College Experience: 12 years Experience in includes sample login, LIMS operation, data entry, report generation, customer service skills. Knowledgeable on NELAC requirements and routine test requests.