Search results with tag "An indicator"
Kjeldahl method - Food and Agriculture Organization
www.fao.orgThe organic fraction of N is a measure of the nutrient reserve in the soil and an indicator of its ability to ... of the main pollutants in groundwater and surface waters, whilst nitrous oxide as a by-product of NO 3-application is a contributor to poor air quality and Greenhouse Gas emissions.
Why Measure Carbon Dioxide Inside Buildings?
www.energy.wsu.edupollutants and exhaust these contaminants along with moisture and odors from our buildings. Why measure carbon dioxide? Most heating, ventilation and air conditioning systems (HVAC) re-circulate a significant ... as an indicator to help ensure ventilation systems (for …
County of San Diego - San Diego County, California
www.sandiegocounty.govMar 22, 2010 · Onsite wastewater treatment systems discharge pollutants to groundwater, and therefore are regulated by the State Water Code. Water Code section 13282, allows Regional Water Quality Control Boards (RWQCB) to authorize a local public agency to ... is used as an indicator of peak daily flow. Net Usable Land Area: The area available that meets all ...