Laserfiche WebLink
Predicted Time to Reach Water Quality Objective (WQO) in Well MW-16 <br /> Shell Stockton Terminal,3515 Navy Drive,Stockton,California <br /> y = b e�x ===> x=ht(y/b)/ a <br /> where: y=concentration inµg/L a=decay constant <br /> b=concentration at time(x) x=time(x)in days <br /> Methyl Tertiary Tertiary Butyl <br /> Butyl Ether Alcohol <br /> Constituent (MTBE) (TBA) <br /> Given <br /> WQO: y 1,800 18,000 <br /> Constant b NA NA <br /> Constant a NA NA <br /> Starting date for current trend: NA NA <br /> Calculate <br /> Attenuation Half Life(years): (-ln(2)/a)/365.25 NA NA <br /> Estimated Date to Reach WQO: (x=ln(y/b)/ a) Below WQO Below WQO <br /> „MTBE --W-TBA —Depth to Groundwater <br /> 0 <br /> 10,000.0 <br /> 5 tj <br /> 1,000.0 O <br /> a 10 <br /> i 100.0 3 <br /> a <br /> v <br /> b <br /> 15 0 <br /> b 10.0 U <br /> q o <br /> v <br /> [I 20 <br /> 1.0 p <br /> 25 <br /> 0.1 <br /> o° � Ati s, Aa. A5 Ab � o ti ti <br /> FIGURE <br /> Date C-40_O <br /> Shell Stockton Terminal MW-16: <br /> 3515 Navy Drive (V MTBE and TBA Concentrations <br /> Stockton,California cONESTOOCA ROVERS and Depth to Groundwater <br /> &ASSOCIATES <br />