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<br />August 10, 2009 <br />~_7i~)11 l~l_1 ~~~~.1~~ ~ll ~~l.~l~[1Li...7~ l.:\t.iye <br />i <br />i <br />• ~1.: ~~1~~1 i~'i~ • ~1'1Vill~ 31~ • Ele ~ C~~J~,~ • <br />Mr. Mario Ghizzi, Maintenance Superintendent <br />City Of Santa Ana <br />Building Maintenance Division 20 <br />20 Civic Center Plaza. M-i 1 <br />Santa Ana, CA 92702 <br />Subject: Acid Clean Evaporative Condenser <br /> <br />SAN JOAQUIN CHEMICALS, INC., will provide chemicals to clean evaporative condenser located at the <br />Grand Central Art Center in Santa Ana, CA. SAN JOAQLJIN CHF,MICAi.S, iNC., will add SANASOI,VG~ <br />2910 to evaporative condenser and recirculate the descaler for 24 hours. After 24 the system will be flushed <br />with City water until with 5% of city water pI-I and conductivity. After flushing the cleaner from the system we <br />will treat the system with our SANACORC~ series antiscalant and corrosion inhibitor. <br />We must treat the system immediately to prevent the scale formation again. The new program must include an <br />oxidizing biocide to adhere. The lost of heat transfer is directly related to the thickness of the scale. <br />I reviewed the water treatment program that is currently in use. During my inspection, we found the inhibitor <br />tank empty and no bromine. The following items must be repaired: <br />1 F.ach ASCO solenoid VALVE $225.00 <br />1 Each Walchem #410 FS with Dual Biocide Feed $1,275.00 <br />2 Each LMI Chemical Pump A151-392SI $665.00 <br />SAN JOAQUIN CHEMICALS, INC., will invoice the City of Santa Ana, $1,275.00 for Evaporative condenser <br />cleaning. <br />If you have any quest' ns, you may contact me at (818) 612-9269. <br />y truly yours, /, <br />~ f , , ~t. 1. // ?'--i~'~-~-~'"_---~~ _ <br />c. / i..' <br />Ja es Alewine <br />So them Area Manager <br />Cc: File <br />Jason Fisher <br />PHONE: (800i 64 r'-95'7 e-mail: tNearewatera~sje-inc.cai~ F-AX: X888} 808-9514 <br />C<alit'nrrtia Contractm~ License X616"~ <br />EXHIBIT B-~ <br />