About Gradient

About Us

Gradient is an environmental and risk sciences consulting firm renowned for scientific excellence.  We utilize scientific principles and a systematic study of the data, along with an independent perspective, to help our clients understand their issues.  Since 1985, we have delivered work products that are responsive and protective, with the highest professional standards.

Celebrating Our History

We are proud of our history and work.  In honor of our 35th anniversary, we invite you to look back over our three decades of commitment to science and the environment – and the world that helped shape us.

See Our Timeline

Locations Where We Have Worked

Map highlighting countries in which Gradient has worked.

With a portfolio of projects covering 31 countries, Gradient addresses some of the most pressing environmental and human health issues across the globe.

Subjects We Have Worked On

In our projects, we have addressed chemicals ranging from naturally occurring substances to chemical process intermediates, and from substances reflecting centuries of scientific observations to newly emerging concerns.  The following list is a sample of some of the chemicals and exposures we have worked on:

  • Antimicrobials
  • Arsenic
  • Asbestos
  • Barium
  • Benzene
  • Beryllium
  • Bisphenol A (BPA)
  • BTEX
  • Chemicals
  • Chlordane
  • Chromium
  • DDT
  • Diesel Exhaust
  • Dietary Supplements
  • Dioxins
  • DNAPL and LNAPL
  • Endocrine Disruptor
  • EMF and RF
  • Flame Retardants
  • Formaldehyde
  • Heavy Metals
  • Lead
  • Manganese
  • Mercury
  • MGP Chemicals
  • MTBE
  • Nanoparticles
  • Naphthalene
  • Nickel
  • NO2
  • Ozone
  • PAHs
  • PCBs
  • PCE
  • Perchlorate
  • Perfluorinated
  • Pesticides
  • Petroleum Hydrocarbons
  • Pharmaceuticals
  • Plasticizers
  • PM2.5
  • Propellants
  • Radionuclides
  • SO2
  • Solvents
  • Styrene
  • Tars
  • TCE
  • Vinyl Chloride
  • VOCs

Our Mission

Our dual mission – to provide trusted scientific analysis on complex environmental and health issues and to be a collaborative, collegial, and multidisciplinary firm with exceptional people.

Delivering work products with the highest professional standards requires a talented and dedicated team.  Thus, our mission reflects equally our deep commitment to science and to building an outstanding firm.

Our Mission in Action

“What I find meaningful in my work is being able to translate the science into information that people can use to make better decisions.  Whether it’s decisions about business practices that impact the environment, or products that impact human and environmental health, I love that we can use our expertise and translate that science in a way that makes a difference.”

Jessie
Principal Scientist

“I really love the culture at Gradient.  As a Latinx woman in science, I like that Gradient staff come from a variety of backgrounds and are very welcoming.  It’s an environment that promotes learning and asking lots of questions.”

Catalina
Environmental Scientist

“I love a data organizational challenge, the puzzle.  Taking a giant, messy glob of data and ending up with a neat, clean package is very satisfying to me.”

Naomi
GIS/Environmental Engineer

Community Involvement

We are actively involved in the institutions, organizations, and publications that shape our scientific understandings, and give our time and energy to organizations that serve our communities and society at large.

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Our Code of Ethics

Gradient’s Code of Ethics is to approach our work objectively, to adhere to scientific principles with diligence, and to offer all clients an independent technical interpretation of the available data.

Partnerships For The Common Good

Composting Regulation Assistance

Gradient Compost

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Animal Welfare in TSCA

Humane Society

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River Restoration

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