Following best practices from previous federal post-wildfire soil-testing efforts, The Times collected samples from residential properties in Altadena and Pacific Palisades.

The discovery of century-old soil samples at a land-grant university could offer big clues into how soil has changed over time. (This story first published July 22, 2024.) ...

Submit samples for analysis: When you send the soil samples to the lab, be sure to label them to match their respective locations within the field. Factors that impact soil testing sampling depth.

Researchers offer soil sample testing to expedite recovery from wildfires LMU along with UCLA and Purdue University are teaming up to collect soil and water samples from more than 1,000 homes in ...