Sentence examples for safe levels of soil from inspiring English sources

The other five soil heavy metals (Pb, Cu, Cd, Cr, and As) were in safe levels of soil environmental quality assessment classification standard.

In 1996, the E.P.A. asked the National Academy of Sciences to advise it on safe levels of arsenic, which occurs naturally in soil, rocks, water, plants and animals and also is an industrial byproduct.

A new Australian and Chinese industry-sponsored research effort was launched in Beijing in September 2006 with the aim of developing scientific guidelines for safe levels of copper and nickel in Chinese soils.

Compute safe levels of all cases [39].

Compute safe levels of all samples [39].

Pregnancy: No safe level of alcohol.

There is no safe level of lead.

Is there any safe level of campylobacter?

The problem is there is no safe level of asbestos".

There is no safe level of exposure to a carcinogen.

The World Health Organisation recommends a safe level of 25.