Kathryn C. Hach-Darrow begins the interview with anecdotes of Clifford C. Hach as a young, inquisitive child growing up on a farm and the effects of the Great Depression on the Hach family. Despite financial…

Plastic tube with purple flip cap. Hollow fibers inside tube filters contaminants from water. Purple string attached to one end of tube.

LifeStraw is a personal and mobile water purification tool developed as a…

This oral history is one in a series that looks at the history of the Toxic Substances Control Act from the perspectives of the individuals involved in its creation, implementation, and execution.

Victor J. Kimm…

Penelope Fenner-Crisp grew up in the suburbs of Milwaukee, Wisconsin, one of two children. Her father changed jobs frequently; her mother was a housewife until Fenner-Crisp was nearly through high school. The family all…

Robert Adams grew up in Gladwyne, Pennsylvania, always interested in the outdoors. As a student at the Ambler campus of Temple University with a major in urban studies and environmental science, he became familiar with…

Susan Curry moved to Ambler, Pennsylvania in 1998. Wanting to live sustainably, she joined Alliance for a Sustainable Future, took a master's degree in environmental studies and psychology, and joined the newly founded…

James Feeney grew up in Philadelphia and earned degrees in chemical engineering and biological sciences. He became a remedial project manager for the US Environmental Protection Agency (EPA). The Ambler asbestos piles…

A: Blue plastic funnel with B: cap used to hold filter paper. Funnel is designed to fit on two 2-liter soda bottles (with cap on) or on the top of a jerrycan (without cap).

In 2016 Dr. Theresa Dankovish's company,…

The Beckman Water Quality System incorporates Hach Company instruments.

Advertisement about using various models of Beckman pH meters for monitoring water quality in industrial settings.

Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…