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t Decenrher 23, l 999 <br />Pa~~r l l <br />' Control Commission: Regulation No. 41-Basic Standards for Ground Water and Regulation <br />t No. 31-Basic Standards and Methodologies for Surface Water. <br />' Table 2. Water Quality Parameters List 1 (WQ1) <br /> <br /> Analytical Laboratory Parameters <br /> Instrument <br />' Minimum <br /> Constituent Units Detection Standards <br /> Limit (IMDL) <br />' pH standard units 0.1 G.5 -8.5 DW and AG <br /> Conductivity, 25°C mmhos/cm 1 <br />' Total Dissolved Solids <br />Total Alkalinity mg/L <br />mg/L 10 <br />2 <br /> Anion and Cation Balance No units - <br /> Dissolved Sodium mg/L 0.02 <br />' Bicarbonate as alkalinity mg/L <br /> Carbonate as alkalinity mg/L - <br /> Dissolved f luoride mg/L 0.00001 2.0 AG, 4.0 Hli <br />' Dissolved Chloride mg/L 5.0 250 DW <br /> Dissolved Boron mg/L 0.001 0.75 AG <br /> Dissolved Magnesium mg/L 0.2 <br />' Dissolved Calcium mg/L 0.02 <br /> Dissolved Silica mg/L 0.2 <br /> Dissolved Potassium mg/L 0.3 <br /> Dissolved Sullate mg/L 0.0005 250 DW <br /> Dissolved Strontium mlz/L 0.01 <br /> <br />1 <br />`1 <br /> <br />1 <br /> <br />1 <br />Field Parameters <br />pH standard units 0.1 6.5-8.5 DW and AG <br />Conductivity, 25°C mmhos/cm 1 <br />Temperature °C - <br />IMDL = bulrunrenl rl4ininrum Dclecllon Linril <br />DIt' _ .Sujc Drinking If'uler Standard <br />AC = Agricu6+ual.S(undurd <br />HH = Nurnan llcu6h Srnndard <br />Standards jrunr Co/orndo Depur•unenl ufTnb/ic Hcu6h and Envirunnrenl, R'nlcr Qua/iQ• Cwnrn/ Conunissiun, <br />Reyulution Nu. a 1, "7hc Basic .Standards Jin' Crnundmuler. " <br />' Agapilo Associates, Inc. <br />