Post on 31-Dec-2015
transcript
CONTAMINANT CONTAMINANT MEASUREMENTSMEASUREMENTS
PPM- parts per million 1mg/LiterPPM- parts per million 1mg/Liter
PPB- parts per billion .001 mg/LiterPPB- parts per billion .001 mg/Liter
http://techalive.mtu.edu/meec/module04/GWContaminationBasics1.htm
BenzeneBenzene
SourceSource Leaking fuel tanksLeaking fuel tanks Industrial wasteIndustrial waste
ProblemsProblems Kidney damageKidney damage CancerCancer Blood disordersBlood disorders
SulfatesSulfates
SourceSource Sulfuric rocks (gypsum,pyrite)Sulfuric rocks (gypsum,pyrite) BacteriaBacteria
ProblemsProblems Rotten egg smellRotten egg smell Bad tasteBad taste Black scaleBlack scale
Bottle waterBottle water
Less restrictions on Less restrictions on bottled water than tap bottled water than tap waterwater
Each US citizen Each US citizen drinks 19.5 gal/yeardrinks 19.5 gal/year