Testing for toxic chemicals and heavy metals is available in Los Angeles County from philanthropic groups, researchers, and ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Colleen Hagerty Colleen Hagerty is a writer focused on emergency preparedness.

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

To grow good plants, you need good soil. The only way to tell what your soil really needs is to take a soil test. Applying too much fertilizer could be detrimental to your plants. You could waste ...

To inform those living within and around the Palisades and Eaton Fire zones – a Los Angeles-based organization is leading the effort to sample the soil at more than a thousand properties. The ...

MARTINEZ, Calif. -- A toxicologist hired by Contra Costa County began collecting soil samples Thursday to be tested for contaminants related to last year's accidental release of "spent catalyst" from ...

For months, federal officials have said post-cleanup soil testing for fire-stricken homes in L.A. was unnecessary. Now, they ...

Investigators were in Boyce-Dorian Park collecting soil samples. The park is one of 300 sites across the Fifth Ward that investigators with the EPA and Union Pacific will be collecting soil samples ...