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MAN <br /> 3:.:�s��:;.�r <br /> �� - Fx �::r:w .ms's• t,.}.aex, s'�ti' r •.W,:.��:�r<, ,��e= �.a. ..s:�o�'.d�.?ta� ��'J.r.�c.`=�7'f.-f w �&�" ie��- a�v;r�,.. s1A3.a'� -. <br /> �. <br /> y s <br /> r <br /> The vapors will be extracted and treated Frith a King, Duck/ <br /> Hanatech, Htsc-S Multimoda CombQater, Hodul 5, manufactured by <br /> King, Duck and Associates, Inc. of 2384 San Diego Avonue, Sul.to <br /> 2, San Diego, California 92110 (619-229-11431 ). <br /> The VETS will ba installed onsite in the area of the former <br /> underground fuel storage tanks on a 6-Loot by 15-toot by 6-inch <br /> concrete slab. Diagrams of the VETS and individual componentu <br /> are shown in Figure 3. The VETS conulGts of three main <br /> components: <br /> I . Vacuum/Compressor Unit (VCU) <br /> The VCU is a 100-cfn vacuum compressor that will <br /> induce the air flow through the contaminated soil. The <br /> CU is approximately 4 feet by 2 feet by 2 feet in size <br /> and will he mounted on 18-inch logo. The VCU is out- <br /> fitted with a dilution air valve that permits the mixing <br /> of clean atmospheric air with the fume gas prior to <br /> treatment, to reduce the heat of combustion from <br /> petroleum-rich vapors. <br /> E <br /> k <br /> 2. Thermal Oxidizer (ThOx) <br /> r w <br /> t <br /> The thermal oxidizer (ThOx) is a natural-gas-fired <br /> r; incinerator in which fume gas is burned above gas jets <br /> for a low intensity, quiet flame. The ThOx is approxi- <br /> mately 4 feet by 4 feet and stands about 8 feet high. <br /> E <br /> The ThOx includes a pilot flame and ultraviolet sensor <br /> for system shutdown in the event of a flameout and an <br /> in-line flame arrester between the VCU and the burners. <br /> The ThOx is equipped with a regulator and flow control <br /> device for adding supplementary fuel to provide a <br /> — —more..-stable__1lame_.in-the_.ThOx xhen._the_fs:me_gas-_has. ---_-._--- <br /> marginal BTU content. <br /> s c52/91916/txt 3 <br />