Sentence examples for limit contaminant from inspiring English sources

This will act to further enhance the ability of clay materials to limit contaminant flux.

Mixing processes significantly affect and limit contaminant transport and transformation rates in the subsurface.

It includes monitoring contaminants in fish, requiring factories that discharge into the lakes to limit contaminants, enlisting cooperation from corporations and tracking cleanup efforts by state and local agencies.

The magnitude of the pressure gradients encountered during steam flushing for this soil indicates that, in addition to rate-limited contaminant removal, the soil permeability (2.1×10−9 cm2) would be a limiting factor in the effectiveness of steam flushing.

Activated carbon reduces pore water concentrations by sequestration of the chemicals through adsorption to the AC surface and within its pore structure (Jonker & Koelmans [92]); in addition, AC has slow kinetics of contaminant desorption, which implies that fluxes of HOCs to the aqueous phase are low, and this limits contaminant mobility in the aquatic environment [90].

Aqueous-based treatment approaches, however, may be limited by contaminant dissolution from the NAPL and the subsequent contaminant transport to the reactive nanoparticles.

We present a worked example of the kinds of pharmacokinetic assumptions and calculations necessary for setting regulatory limits of contaminants in the food supply, calculating dose of chemical contaminants to the nursed infant, converting risks from lifetime exposure in laboratory animals to risks for short-term exposure in humans, and estimating the excess cancer risk to the nursed infant.

The maximum percentage of wells exceeding the US EPA maximum contaminant limit of 4.0 mg/L fluoride limits was in Qassim (3.7 %).   4.

The F.D.A. does not specify maximum acceptable concentrations or daily dose limits for contaminants in dietary supplements.

Two years later, it created a second landmark law: the Safe Drinking Water Act, which sets limits on contaminants in tap water.

A new law published on Monday that sets out, for the first time, environmental quality standards setting acceptable limits for contaminants in soil, may be a key advance, say officials.