Our Philosophy

Working with our customers:

Many consulting firms claim they can do anything at the beginning of an assignment but do not deliver in the crunch. We will not swamp you with outlandish claims. We make a point of discussing what we can and cannot do at the outset. Then we deliver on time and within budget.

Working with the government:

Our model for working with government regulatory officials on your behalf might surprise you: treat them like customers – tough and demanding ones, but customers nonetheless. Figure out what they really need to carry out their legitimate regulatory responsibilities and provide it quickly and efficiently.

Our Team

Mr. Jones specializes in health, environmental, and regulatory policy analysis and increasing the efficiency of interactions between Delta’s clients and government regulators. Before starting his own firm in January 1981, he was director of the Energy and Environmental Systems Group for Industrial Technology Associates, Inc. Prior to undertaking his consulting career, Mr. Jones served as a member of the EPA administrator’s staff and was associated with the Interagency Regulatory Liaison Group. In this position he provided management and policy analysis support to top officials of EPA, FDA, OSHA, and CPSC, coordinating their respective agencies’ regulatory actions on toxic substances. He held several positions in the Office of Pesticides and Toxic Substances.

Ms. Griffin has over 30 years of experience with regulatory policy and compliance. Since 1990 she has assisted Delta clients with all aspects of pesticide registration and product compliance questions. She works with clients in developing their pesticide registration strategy, initiating studies required for registration, resolving regulatory issues, and understanding complex and ever-changing pesticide regulatory requirements. Ms. Griffin’s special emphasis in recent years has been on antimicrobial pesticides. She prepares the full range of pesticide registration application and amendment packages for submission to the Environmental Protection Agency and the State of California. Her work on other regulatory compliance includes providing guidance on regulatory requirements for labeling of hazardous and nonhazardous consumer products, and providing research and analysis of regulatory issues. Prior to joining Delta, Ms. Griffin was the chief of the Policy Section in EPA’s Superfund program. Ms. Griffin had direct responsibility for developing policy and guidance for the hazardous waste emergency response program, compliance with RCRA and other laws (SDWA, CAA, CWA, TSCA), and enforcement. She has also served in several positions in EPA’s Office of Emergency and Remedial Response and worked in EPA’s Office of Air and Radiation. Ms. Griffin is fluent in Spanish.

Ms. Leventhal’s expertise is in reviewing labels and advertising copy for EPA compliance, assisting with record-keeping and reporting requirements, preparing annual federal filings, managing state pesticide registrations, and providing regulatory seminars for new clients. She is responsible for developing, computerizing, and maintaining our state registration capabilities and has registered and handled annual registration renewals for hundreds of products. The work involves understanding the nuances of each state’s regulatory requirements, keeping up with changes in state regulations, filing quarterly mill tax reports and annual sales reports, and staying in close contact with state officials. She has also conducted company audits for state regulatory compliance and worked on a variety of research projects for Delta’s clients. Prior to joining Delta in 1991, Ms. Leventhal worked as assistant to the vice president for government affairs for Pullman, Inc.; assistant to the vice president for the National Association of Letter Carriers; and in law offices specializing in civil litigation and forest industry lobbying.

Ms. Stracquatanio has been working with the team at Delta Analytical since 1997. Independently and in conjunction with the directors, she prepares pesticide registration applications, amendments, and notifications for submission to the Environmental Protection Agency and the California Department of Pesticide Regulation. In addition to her regulatory work, Ms. Stracquatanio manages Delta’s business operations. She worked for many years as a nurse in clinical and management positions before joining Delta.

Ms. Brandon has been working in the pesticide regulatory field since 2009 and with Delta since 2012. She works with the directors to prepare pesticide registration application, amendment, and notification packages for submission to EPA and the California Department of Pesticide Regulation. Her expertise includes preparation of product confidential statement of formulas, analysis of registration and data requirements, product label development and review, and guidance on regulatory requirements and issues. She assists clients in understanding the marketplace by conducting detailed analyses of their competitor data submissions using data-submission searches of the National Pesticide Information Retrieval System (NPIRS). Prior to joining Delta, Ms. Brandon was a contractor at the Environmental Protection Agency, under the Information Services Branch for the Information Technology and Resources Management Division. She worked closely with product registrants and product/risk managers in regulatory compliance, reviewing product applications and chemical product information.  Ms. Brandon is a graduate of Johns Hopkins Bloomberg School of Public Health with a Master of Health Science in Environmental Health. She is fluent in Spanish.

Ms. Sumski joined Delta in 2015. She works with the directors to prepare pesticide, including antimicrobial, registration applications, amendments and notifications for submission to EPA and the California Department of Pesticide Regulation. She assists in reviewing client labels to meet EPA and California label requirements. She works closely with the project director in analyzing data requirements and competitor data submissions (NPIRS), and submitting Freedom of Information Act (FOIA) requests. Ms. Sumski earned a B.S. in Environmental Science and Policy from University of Maryland and a Master of Business Administration from University of Maryland Global Campus.

Mr. Jones’s work primarily focuses on biopesticide registration, product chemistry, National Organic Program compliance, and OMRI listings. He brings a background working in sustainable agriculture policy, advocacy, and practice since 2008. In addition to his work with Delta, Mr. Jones is a mushroom farmer and has a particular interest in fungal microbial pesticides. He has degrees in Biology and Environmental Education.

Mr. Cory-Watson’s work focuses on biopesticides including registration of new active ingredients, National Organic Program compliance, and OMRI listings. Prior to joining Delta, Mr. Cory-Watson was the executive director of a national nonprofit focused on human health and environmental policy and regulations. His previous regulatory experience also includes working with an environmental economic research firm that used value-chain analysis to understand the intersection of regulation, industry, and the environment. Mr. Cory-Watson holds a master’s degree in Environmental Management from Duke University’s Nicholas School of the Environment and a B.A. in Philosophy from Haverford College.

Ms. Tubia’s work focuses on state fertilizer and soil amendment registrations. Ms. Tubia’s background is rooted in animal agriculture practice, however, in 2009 she transitioned to regulatory work for the USDA and eventually to the private sector with a multinational producer of agricultural chemicals. She is a graduate of Virginia Tech with a B.S. in Dairy Enterprise Management.

Ms. Jacobs joined the Delta team in 2021. Her work with Delta focuses on biopesticides and biostimulants, including soil amendments, plant inoculants and biofertilizers. She specializes in EPA registration of biopesticides, including National Organic Program compliance, as well as managing OMRI listings and CDFA OIM registrations. Ms. Jacobs’s background is in sustainable agriculture, agricultural policy and community nutrition. She holds a B.S. in Biology from the University of Virginia and two master’s degrees from Tufts University – a M.S. in Agriculture, Food and the Environment and a M.P.H. in Health Services Management and Policy. In addition to her work with Delta, she owns and operates a sustainable produce farm in Mississippi.

Mrs. Priest has over 14 years of experience with pesticide regulations and compliance. She assists clients on a variety of pesticides including antimicrobials, biopesticides and conventional products with a focus on antimicrobial and biopesticide products. She helps clients with developing their pesticide registration strategy including, but not limited to, addressing data requirements, determining label claims, and resolving regulatory hurdles. She routinely prepares EPA application packages for submission to EPA and acts as liaison between EPA and her clients. Prior to joining Delta, Mrs. Priest’s experience includes time spent as a consultant with Technology Sciences Group and Keller and Heckman LLP as well as a contractor for EPA’s Front End Screening process. Mrs. Priest has a bachelor’s degree in Biology with a Chemistry minor.