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TRIMMED SPEARMAN-KARBER METHOD. MONTANA STATE UNIV <br />FOR REFERENCE, CITE: <br />HAMILTON, M.A., R.C. RUSSO, AND R.V. THURSTON, 1977. <br />TRIMMED SPEARMAN-KARBER METHOD FOR ESTIMATING MEDIAN <br />LETHAL CONCENTRATIONS IN TOXICITY BIOASSAYS. <br />ENVIRON. SCI. TECHNOL. 11(7): 714-719; <br />CORRECTION 12(4):417 (1975). <br />DATE: 10/93 TEST NUMBER: <br />CHEMICAL: B-SEAM SPRING WATER <br />RAW DATA: <br />CONCENTRATION(o) 12.50 25.00 <br />NUMBER EXPOSED: 20 20 <br />MORTALITIES: 0 1 <br />SPEARMAN-KARBER TRIM: 5.00% <br />SPEARMAN-KARBER ESTIMATES: LC50: <br />95o LOWER CONFIDENCE: <br />95o UPPER CONFIDENCE: <br />------------------------------------------- <br />DURATION: 48 HOURS <br />SPECIES: C.DUBIA <br />50.00 75.00 100.00 <br />20 20 20 <br />5 13 19 <br />60.84 <br />52.39 <br />70.65 <br />------------------- <br />COM MERCIAL TESTING & ENGIN EE RING CO. <br />a6E <br />"nom ai Wai erm arketl For Your Protea~on <br />