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Results 1 - 10 from 278 for average concentration in 0.259 sec.
AirQUIS: Data statistics
Options included are day, month, year or special selection to create average, minimum or maximum, sum or floating average. Other averaging periods can easily be included. Data series can also ... pollution concentrations the so-called Breuer diagramme can be estimated. This figure presents the average concentration of a specific compound as a function of wind directions See diagramme: Air Quality ...
www.nilu.no
ODOTECH inc. Odor Control Experts | Experts-Odeurs
Choice of plume rise models: EPA CUM Holland COMPUTATION Choice of simulation type: Average concentration. Instantaneous concentration. First and second hourly maxima Maxima over 2, 4, 8 and 24 ... and receptors. Choice of interpolation type: linear or logarithmic. Choice of concentration display scale. Choice of concentration scale display mode: continuous or discrete color spectrum. Display of wind ...
www.odotech.qc.ca
Micro-Bac International, Inc. - The First Choice For Environmentally Safe Products: Success Stories
Method 1 GW-1/S-1 of 500 ...
www.micro-bac.com
Eco-USA: Beryllium
In U.S. cities, the average air concentration ... average beryllium concentration was only 190 ng in a liter (L) of water. Beryllium, as a chemical component, is naturally found in some food. The concentration ...
www.eco-usa.net
Editorial: Fluoride Versus Sulfur Oxides in Air Pollution
In the 1952 London disaster, the average concentration of sulfur dioxide was 1.7 ppm which is well within the industrial threshold limit ... than sulfur oxides. Guinea pigs exposed to sulfur oxides continuously for one year at a concentration of 5 ppm failed to develop respiratory disorders (7). Fluoride, on the other hand, reaches ...
fluoridealert.org
Friends of the Earth (HK) Real Time API
RSP and SO2 are still more than double the corresponding 24-hour average concentration recommended by WHO for these pollutants. We find that the only adjustment necessary is for NO2, where the WHO guideline recommends an 1-hour average concentration of 200 ...
www.foe.org.hk
Failed Policy on Asbestos Abatement
The calculated risk to the children from a 12 school-year exposure to this concentration of ...
his.com
Protactinium (Pa) - Chemical properties, Health and Environmental effects
Ci/g protactinium-231, then 8 of these 100,000 people would be ... soil, and the concentration associated with sandy soil particles is typically 550 times higher than in interstitial water (water in the pore space between the soil particles); concentration ratios are even higher ...
lenntech.com
Water Quality Information Center: Working Group on Water Resources: Missouri
The average concentration of all the groundwater wells is 7 ppm. Trends are beginning to show that current ...
www.nal.usda.gov
NRSB Certified Measurement Specialists
A tertiary chamber must be monitored continuously to measure the average concentration of radon as a function of time over the period of a test or calibration. A continuous radon monitor is the most appropriate monitor for measuring the radon concentration in ...
nrsb.org
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