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EMCON/OWT Inc. <br /> GROUNDWATER SAMPLING AND ANALYSIS REQUEST FORM <br /> PROJECT NAME: North County Landfill <br /> DATE SCHEDULED: October 10,11,2005 <br /> SPECIAL INSTRUCTIONS/CONSIDERATIONS : Authorization: JC Isham <br /> 4th Quarter 2005 Monitoring Event. Sacto Dir Ph: 916-565-4316 <br /> Leachate Sumps(Annually-4th Qtr ONLY). Concord Dir: 925-288-2381 <br /> Project No.: 791288/00004 <br /> Collect grab samples from leachate sumps. Well Lock <br /> See attached instruction sheet to operate pumps. Number(s) <br /> L-1 1/2 hp NC 1 (site) <br /> L-2 3/4 hp <br /> Site Contact: <br /> Well Number Casing Casing Depth to <br /> or Source Diameter Length Water ANALYSES REQUESTED <br /> (inches) (feet) (feet) <br /> 7/21/2005 <br /> Total Dissolved Solids <br /> L-1 Chloride <br /> (L-1/L-2) Carb/Bicarb <br /> Nitrate- Nitrogen(48-hr hold time) <br /> L-3 Sulfate <br /> (former L-2) Metals: Ca,Mg,K,Na(NOT Filtered) <br /> Volatile Organic Compounds by 8260B <br /> L-4 <br /> (newest leachate module) Field Measurements: <br /> pH,EC,Temp <br /> Sampled 4th Quarter ONLY!! <br /> SHIP SAMPLES TO THE LAB THE SAME <br /> DAY THEY ARE COLLECTED IF <br /> POSSIBLE. <br /> Laboratory and Lab QC Instructions <br /> Columbia Analytical Please report MDL's,PQL's,and trace. <br /> 6925 Conaga Avenue <br /> Canoga Park,Calif 91303-3102 <br /> Lab Contact: Karen Ryan <br /> 818-587-5550 Ship samples via Fed X Acct#1435-1381-5 <br /> Fx. 818-587-5555 <br /> Page 2 of 4 <br />