Air pollution - SOx and NOx. Air pollution from maritime transport including Sulphur Oxide (SOx), Nitrogen Oxide (NOx), Ozone Depleting Substances (ODS) or Volatile Organic Compounds (VOC), is high in the agenda both at global and European level.
Although costs have been rising, water is still an inexpensive resource in most American towns. An average cost is less than $5 per 1000 gallons. Filling a swimming pool, in most areas, costs less than $100.Youâll need to add some replacement water during the year, to replace splash out and backwash water.ost trucks hold 5000 gallons or so, and can make repeated trips to the hydrant until your pool is full. Water truck companies usually charge by the load, and a complete fill of the pool can be expensive, as much as $50 per 1000 gallons.
Standard finish is smoothed and painted. The cost of an average in-ground Gunite-concrete swimming pool varies by location, shape, size, and decorative quality of the finish and surroundings. The typical 12' x 24' rectangular (288 sq.ft. of water surface area) concrete pool will cost around $72 per square foot.Typical extras raise that cost to about $103 per square foot. Chemicals-between the chlorine, pH testing strips, and other materials, the average pool owner spends roughly $80 per month for above-ground swimming pools and $95 per month for in-ground swimming pools.