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Secondary Standards -Aesthetic Standards (non-health related) <br /> PHG Imported Water Groundwater Typical Souree of Contaminant <br /> Peremster MCLG (MCLG <br /> ~ Range Average Range Average <br /> Alum,num + Erosion of natural deposits; residual from ; <br /> (ppb) ; 200 ) 600 ~ ND - 140 ~ 70 , ND - 110 6 11 <br /> c some surface water treatment processes j <br /> I . <br /> ~ - I ~ Runoff/leaching from natural deposits; <br /> Chloride (ppm) ~ 500 j NA ; 71 - 101 ! 86 j 18 1 144 49.99 ~ <br /> { I seawater influence <br /> _ ~ _ _.____.____w._. <br /> Color (units) ~ 15 € NA € 1 2 ~ 2 ~ ND 3 0 42 i Naturally-occurring organic materials E <br /> ~ Non- ~ ~ ~ Natural or industrially-influenced balance of <br /> Corrosivity (SI) , NA ! I Non- Non- I III <br /> 0 17 - 0 45 i 0 32 hydrogen, carbon and oxygen in the water; <br /> ~ ; corrosive , corrosive i corrosive <br /> + affected by temperature and other factors i <br /> _ _ ~ . _ ____i <br /> Foam,ng Agents (ppb) 500 NA ~ ND ND ~ ND ~ ~ ND Municipal and industrial waste discharges <br /> Odor Threshold (units) 3 + NA ~ 2 i 2 ~ ND ~ ND ~ _ Natural occurring organic materials , <br /> Spec. Conductance (uS/cm) ~ 1600 ? NA II 603 - 893 ; 748 433 - 1 190 ; 671 46 ~ Substances that form ions when in water, 3 <br /> s seawater+nfluence <br /> ..____._.t. ~ _ It _ _._-m, <br /> { l ~M " Runoff/leaching from natural deposits, <br /> Sulfate (ppm) 500 NA 96 - 179 137 , 44.2 - 143 ~ 85.97 i <br /> , i ~ ~ ~ seawater influence <br /> <br /> r _ - _ Y ~ <br /> } _ , <br /> Total Dssolved Solids (ppm) 1000 r NA _ I 348 519 ~ 453 ~ 246 786 ~ 412 72 ( Runoff/leaching from natural depostls <br /> Turb+ddy (NTU) v 5 } NA ~ 0 03 0 07 { 0 05 + 0 1 2 ~ 0 41 ~ So+l runoff , <br /> _i_ 1_...-__. _.i..._. i-__.__._ _._._-J <br /> 75C-16 <br /> <br />