By Frank R. Spellman

A thorough revision of the former "Environmental Engineer’s arithmetic Handbook," this ebook bargains readers an strange method of offering environmental math recommendations, emphasizing the connection among the foundations in normal procedures and environmental methods. It integrates the basic math operations played via environmental practitioners for air, water, wastewater, solid/hazardous wastes, biosolids, environmental economics, stormwater operations, and environmental health and wellbeing, security, and welfare. New fabric contains quadratic equations, Quadratic equations, Boolean algebra, information evaluate, basic hearth technology, uncomplicated electrical energy for environmental practitioners, and environmental wellbeing and fitness computations and solutions.

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**Extra info for Handbook of Mathematics and Statistics for the Environment**

**Sample text**

Units and dimensions are not the same concepts. Dimensions are concepts such as time, mass, length, or weight. Units are specific cases of dimensions, such as hour, gram, meter, or pound. You can multiply and divide quantities with different units: 4 ft × 8 lb = 32 ft-lb, but you can add and subtract terms only if they have the same units. So, 5 lb + 8 kg = no way! 16 Handbook of Mathematics and Statistics for the Environment From the example above, it can be seen that a conversion factor changes known quantities in one unit of measure to an equivalent quantity in another unit of measure.

43 metric tons CO2 per barrel. 6 Tanker Trucks Filled with Gasoline Carbon dioxide emissions per barrel of gasoline are determined by multiplying the heat content times the carbon dioxide coefficient times the fraction oxidized times the ratio of the molecular weight of carbon dioxide to that of carbon (44/12). A barrel equals 42 gallons. A typical gasoline tanker truck contains 8500 gallons. 35 kg CO2 (USEPA, 2012). The fraction oxidized to CO2 is 100% (IPCC, 2006). 1 Calculation Due to rounding, performing the calculations given in the equations below may not return the exact results show.

17 Convert gallons per minute (gpm) to million gallons per day (MGD). Flow (MGD) = Flow (gpm) × 1440 min/day 1,000,000 gal/MG Problem: The flow meter indicates that the current flow rate is 1469 gpm. What is the flow rate in million gallons per day? 18 Convert gallons per day (gpd) to million gallons per day (MGD). Flow (MGD) = Flow (gal/day) 1,000,000 gal/MG Problem: The totalizing flow meter indicates that 33,444,950 gal of wastewater have entered the plant in the past 24 hr. What is the flow rate in million gallons per day?