Richard M. Amano
Position: President and Principal Chemist

Experience: Mr. Amano has over 30 years of combined environmental laboratory, QA/QC, laboratory auditing, and data validation experience. Prior to founding LDC in 1991, he directed two major laboratories; Analytical Technologies, Inc. (San Diego) and Brown and Caldwell. His experience includes oversight and direction of major QA/QC and data validation efforts for Superfund sites, DOE sites, Navy RI/FS projects, Army Corps of Engineers investigations, and AFCEE projects. He also has overseen several laboratory audits for major analytical testing programs.

Specifically, Mr. Amano has over 15 years experience with the validation of organic, inorganic, and radiochemical analyses using USEPA CLP (including Region III) functional guidelines and other applicable guidance documents.

Scott Denzer
Position: Technical Director/Principal Chemist

Experience: Mr. Denzer has over 27 years combined experience in environmental sampling, analyses, data validation, quality assurance, laboratory auditing, software design, implementation and training. Mr. Denzer’s experience includes sampling, analysis and data validation in support of Federal and State programs, including the Clean Water Act, the Clean Air Act, CERCLA, RCRA, and NIOSH.

Mr. Denzer has performed data verification, review and data validation for numerous Department of Defense projects, commercial projects, and is familiar with program-specific requirements as well as the Uniform Federal Policy for Quality Assurance Project Plans, the EPA Data Quality Objective Process, requirements of the Safe Drinking Water Act, the National Laboratory Accreditation Program, and quality control requirements of various analytical methods.

Prior to his experience at LDC and the Guam Environmental Protection Agency, Mr. Denzer held laboratory positions including GC Pesticides supervisor, GC chemist, and section leader. As Technical Director and Principal Chemist with Laboratory Data Consultants, Inc., Mr. Denzer currently oversees special data validation and software development projects and provides technical support to contractors by performing laboratory audits and technical review of Quality Assurance documents under various programs.

Nanny Bosch, PMP
Position: Operations Manager for LDC Sacramento, CA Office/Principal Chemist

Experience: Ms. Bosch has over 18 years of operations management, program and project management, environmental consulting, and analytical laboratory experience. Her operations management experience includes the daily management of consulting activities for private industry, municipal, federal, state, and local government contracts internationally and throughout the US, as well as oversight and development of project management and support staff.

Ms. Bosch has over eleven years of combined experience with client services and project management. In addition to oversight of all of the LDC Sacramento office projects, Ms. Bosch currently manages the chemistry data validation, data management and report generation tasks as the program manager for a large site mitigation project associated with the California Department of Toxic Substances Control (DTSC), serves as the program manager for various Sacramento Regional County Sanitation District (SRCSD) water quality management projects, and is the senior project manager for several U.S. Army Corps of Engineers (USACE) design and construction contracts.

As Operations Manager and Principal Chemist with LDC, Ms. Bosch oversees LDC’s northern California operations, provides internal and external technical support, client services, project management and software training services, generates invoices and performs accounts receivable and collection tasks. Ms. Bosch manages and develops the staff of the Sacramento office, conducts employee performance evaluations and disciplinary actions, and interviews, hires and trains new staff. Ms. Bosch also manages the facilities and is responsible for office automation, computer software and equipment, and works with vendors to ensure the office stays up to date on the latest business technologies. In addition to the day-to-day operations of the LDC Sacramento office, Ms. Bosch is responsible for the office’s overall performance and attainment of the quality that LDC values.

Erlinda Rauto
Position: Senior Chemist/QA Officer, 1993 to present

Experience: Ms. Rauto has over 20 years combined environmental laboratory, QA/QC, and data validation experience. Her experience includes performance of data validation in the GC, trace metals, and wet chemistry areas for major Federal projects. Her laboratory experience includes hands-on CLP and EPA ICP/GFAA analysis, pesticide/PCBs and wet chemistry analysis. Specifically, Ms. Rauto has over 11 years organic data validation and assessment experience using USEPA (including Region III) functional guidelines and other applicable documents.

As a senior chemist with Laboratory Data Consultants, Inc., Ms. Rauto specializes in the data validation and compliance screening of gas chromatography organic analyses. This validation includes EPA CLP, SW-846, and EPA Water and Wastewater methods. Over the past eight years, Ms. Rauto has performed USEPA Level 3 and Level 4 (including NFESC Level C and D) validation for projects including Southwest Division CLEAN 1 (Jacobs Engineering/IT Corporation/CH2M Hill), Southwest Division CLEAN 2 (Bechtel National), Pacific Northwest Division CLEAN (URS Greiner), Southern Division CLEAN (ABB Environmental), Atlantic Division CLEAN (EA Engineering), Southwest Division RAC (OHM Remediation), Pacific Division CLEAN (Earth Tech), DOE Atomic City (Jacobs Engineering Group), Army Corps of Engineers, Travis AFB (CH2M Hill), Army Corps of Engineers, Camp Navajo (Tetra Tech), AFCEE Mather AFB (Montgomery Watson), AFCEE Pease AFB (Bechtel Environmental), AFCEE England AFB (Law Environmental), Army Corps of Engineers, Hawthorne Army Depot (Tetra Tech), Army Corps of Engineers, Fort Ord (Harding Lawson), Nevada Test Site (IT Corp), and AFCEE Beale AFB (Law/Crandall, Inc.).

Stella V. Cuenco
Position: Senior Chemist, 1996 to present

Experience: Ms. Cuenco has over 14 years combined environmental laboratory and data validation experience. Her experience includes performance of data validation in the GC and GC/MS areas for major Federal projects. Her laboratory experience includes hands-on CLP and EPA analysis of GC and GC/MS volatile organic compounds. Specifically, Ms. Cuenco has over 10 years organic data validation experience using USEPA (including Region III) functional guidelines and other applicable documents.

As senior chemist with Laboratory Data Consultants, Inc., Ms. Cuenco specializes in the data validation and contract compliance screening of gas chromatography-mass spectrometry analyses. She has a thorough knowledge and understanding of gas chromatography-mass spectrometry methods referenced in EPA CLP, SW-846, EPA 500 and 600 series documents. She has performed data validation under EPA Region IX ESAT.

Pei Geng
Position: Senior Chemist, 1996 to Present

Experience: Ms. Geng has over 15 years combined environmental laboratory and data validation experience. Her experience includes performance of data validation in the GC and GC/MS areas for major Federal projects. Her laboratory experience includes hands-on CLP and EPA analysis of GC and GC/MS volatile organic compounds. Specifically, Ms. Geng has over 8 years organic data validation experience using USEPA CLP (including Region III) functional guidelines and other applicable documents.

As a senior chemist with Laboratory Data Consultants, Inc., Ms. Geng specializes in the data validation and contract compliance screening of gas chromatography-mass spectrometry analyses as well as gas chromatography analyses. She has a thorough knowledge and understanding of gas chromatography and gas chromatography-mass spectrometry methods referenced in EPA CLP, SW-846, EPA 500 and 600 series documents. She has performed data validation under EPA Region IX ESAT.