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EMCON/OWT Inc: <br /> GROUNDWATER SAMPLING AND ANALYSIS REQUEST FORM <br /> PROJECT NAME : North County Landfill <br /> DATE SCHEDULED: January 2006 <br /> SPECIAL INSTRUCT ONS/CONSIDERATIONS : A orization: JC Isham <br /> 1st Quarter 2006 Moni ring Event. Sac Dir Ph: 916-565-4316 <br /> Leachate Sumps(Annu ly-4th Qtr ONLY). ncord Dir: 925-288-2381 <br /> Of Project No.: 791288/00004 <br /> Collect grab samples from leach sumps. Well Lock <br /> See attached instruction sheet to op ate pumps. Number(s) <br /> L-1 1/2 hp NCl(site) <br /> L-2 3/4 hp <br /> Site Contact: <br /> Well Number Casing C ing p to <br /> or Source Diameter Le gth to ANALYSES REQUESTED <br /> (inches) (f t) <br /> 10/1 15 <br /> Total Dissolved Solids <br /> L-1 Chloride <br /> (L-1/L-2) rb/Bicarb <br /> Ni ate- Nitrogen(48-hr hold time) <br /> L-3 Sul f e <br /> (former L-2) Metals Ca,Mg,K,Na(NOT Filtered) <br /> L-4 Volatile rganic Compounds by 8260B <br /> (newest leachate module) Field Measu ments: <br /> pH,EC,Temp <br /> Sampled 4th Quarter ONLY!! <br /> SHIP SAMPLES TO THE L THE SAME <br /> DAY THEY ARE COLLECT IF <br /> POSSIBLE. <br /> Laboratory an Lab QC Instructions <br /> Columbia Analy cal Please report MDL's,PQL's,and trace. <br /> 6925 Conaga enue <br /> Canoga Park, lif 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 />