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EMCON/OWT Inc. <br /> GROUND WATER 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 /> Lysimeters-Vadose Zone Monitoring Concord Dir: 925-288-2381 <br /> Project No.: 791288/00004 <br /> Set vacuum on lysimeters(at least 24-hrs)prior to sampling. <br /> Get site keys from key caddy. <br /> Well Lock <br /> Set lysimeter vacuum to 70 centibars. Number(s) <br /> Need lysimeter hand pump w/working gauge and soil moisture 0464 <br /> block meter(blue meter). NCI (site) <br /> Collect parameters in the order listed below. 2246(site) <br /> SITE ARRIVAL TIME <br /> Site Contact: DEPARTURE TIME <br /> Call Pro'.Mn r.Prior to leaving the site. <br /> Well Number Casing Casing Depth to <br /> or Source Diameter Length Water ANALYSES REQUESTED <br /> (inches) (feet (feet) <br /> 7/21/2005 All lysimeters(in order): <br /> VZ-1 NA NA no sample <br /> Total Dissolved Solids <br /> VZ-2AB NA NA no sample Chloride <br /> Carb/Bicarb <br /> VZ-3AB NA NA no sample Nitrate- Nitrogen(48-hr hold time) <br /> Sulfate <br /> VZ-4AB NA NA no sample Metals: Ca,Mg,K,Na(NOT Filtered) <br /> Volatile Organic Compounds by 8260B <br /> VZ-SAB NA NA no sample <br /> Pan Lys� r- uadeF?4e"1e3 Field Measurements: <br /> pH,EC,Temp <br /> Analyze in order presented at right. <br /> Priority parameters to sample are: TDS,Chlorides, <br /> Sulfate,Nitrate-nitrogen(NP LPE bottle) SHIP SAMPLES TO THE LAB THE SAME <br /> If enough water,continue to collect samples for DAY THEY ARE COLLECTED IF <br /> the rest of the list. 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 3 of 4 <br />