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LETTER oF TRANSMITTAL
IIISTUDY OF TWOCHAMBER SEPTIC TANKS HAVING DIFFER
IVRECOMMENDATIONS FOR THE DESIGN OF SIMPLE FARM
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1The data 3-chamber tank 2-chamber Ammonia Ammonia nitrogen amount of sewage Average for tanks bathtub capacity capita per day centimeters per liter CHAMBER OF TANK chambers A1 Chlorin in chlorids collected December 12 connected to farm cubic centimeters December 18 Depth of scum depth of sewage dosed with city dosing tank EFFLUENT FROM CHAMBER eﬁiuent eﬁluent exception of settleable farm septic tanks ﬁrst chamber gallons per capita kitchen sink measuring rod Medium tank Wide methyl orange MULTIPLE-CHAMBER SEPTIC TANKs multiple-chamber tanks Nitrate nitrogen Nitrite Number October 12 Oxygen consumed reported in cubic Residue on evaporation sampling points scum and sludge second chamber sewage are averages single-chamber tank sludge accumulation Table tank temperature tank Wide tank tanks connected tanks dosed tanks treating city tanks treating farm three tanks three-chamber tank toilet total retention period Total scum treating city sewage treating farm sewage Turbidity two-chamber tank Volume of scum Water Survey wavg