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State Water Resources Control Board Page 2 of 2 <br /> Fall time (sec) <1 <1 <br /> Lower detection limit (cm) N/D 4.72 <br /> LS-7 <br /> Detection time (sec) <1 <1 <br /> Fall time (sec) <1 <1 <br /> Lower detection limit (cm) 1.09 0.81 <br /> HVA <br /> Detection time (sec) <1 <1 <br /> Fall time (sec) <1 <1 <br /> Lower detection limit (cm) 0.84 0.71 <br /> *See Glossary <br /> Comments: <br /> Sensors are reusable. <br /> LS-3SS is identical to LS-3 N.C. and LS-3 N.O. except that LS-3SS also tests for methanol and has a stainless steel float. <br /> The only difference between LS-1 and LS-3 is that LS-1 is smaller in diameter. <br /> Ronan Engineering Co. Evaluator: Ken Wilcox Associates <br /> 21200 Oxnard St. Tel: (816) 443-2494 <br /> Woodland Hills, CA 91367 Date of Evaluation: 02/06/92 <br /> 10/21/2014 <br />