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Table 1 <br /> Sampling Matrix <br /> Lincoln Center <br /> Stockton,California <br /> Sampling Numberof <br /> Data or Sample Sample Sample Depth Data Collection or Sampling Method FrequencyplanSamples per Laboratory Analysis <br /> Data Collection Activity Collection BodngfWell Construction Details Medium p p Event <br /> Location <br /> COD Method <br /> 24 ounces d sail representative of the A-zone Once Two 5220C) <br /> Installation of 1 exploratory V Boring E81 Boring EB1 will be r samples a the top of the Soil ZZoonhe Aquifer Aquifer and 24 ounces of soil representative dFe. <br /> boring within the Phase V 8 e boring well <br /> After samples are obtarout and the B-zone Aquifer will be colledetl directly from • As,CNisa,(M tho K. <br /> area. the boring will be accordance <br /> with grout and Zone B the continuous core and transferred into 601Mn, B)(Method • <br /> abandoned in accoaance with applicable Zone Aquifer laboratory supplied glass jars to be composited 80108) <br /> regulations. at the laboratory. Nitrite as N <br /> lory. Sulfate, asN as <br /> N.N <br /> Installation of 2 sail borings Boeing B3 Borings S2 and B4 will be advanced to a (Method 300) <br /> within the plume. Boring B4 maximum depth of 140 feet bgs. After <br /> samples are obtained,the borings will beTob , VOCs <br /> converted into B-Zone groundwater Groundwater 10 foot intervals Groundwater samples will be collected using a Once bad an fi dln� 82608)(Method <br /> monitoring wells as described below. within the A-and hydropunchsampler and transferred into conditions <br /> El-Zone aquifers laboratory supplied VOA vials. <br /> VOCs Method <br /> Installation of 4 A-zone Boring A1/Well Al All wells will be constructed using schedule Groundwater Center <br /> completed a designated POda aGround ter lnd traes nsferredl be intolaboratoryatory in Quarterly One 82808) <br /> groundwater monitoring 80,2-Inch PVC casing with a flush mount monitoring well supplied VOA vials. <br /> wells within and Boring A2/Well A2 surface completion. screen <br /> downgadient of the plume. <br /> Boring Ail Well A3 Well screen intervals will be basad on - <br /> observations and range between 40 andnd 70 <br /> Boring A4/Well A4 feet bgs. <br /> VOCs Method <br /> Installation of 4 B-Zone Boring B1/Well B1 All wells will be cansauded using schedule Groundwater Center <br /> ed a Groun designated P s s old transferred intolaboratory <br /> Ouanedy One 8280B) <br /> groundwater monitoring 80,2-inch PVC casing with a gush mount monitoring well supplied VOA vials. <br /> wells within and Boring B2/Well 82 surface completion. screen <br /> downgadient of the plume. <br /> Boring B3/Well B3 Well sheen intervals will be based on field <br /> observations and range between 80 and 130 <br /> Boring B4/Well B4 feel bgs. <br /> Installation of 1 A-Zone Boring AS/Well AS All wells will be constructed using schedule Groundwater Center of the Groundwater samples will be callectod within Quarterly One VOCs0 'Method • <br /> groundwater monitoring 80,2-inch PVC casing with a flush mount completetl designated PDBs antl lansfenetl into laboratory <br /> well downgradient of the surface completion. monito ng well supplied VOA vials. <br /> screen <br /> plume. <br /> Well screen intervals will be based on feted <br /> observations and range between 40 and 70 <br /> feet bgs. <br /> Notes: POBS=passive diffusion bags <br /> As=arsenic Pe=iron <br /> bgs=below ground surface K=potassium PVC=polyvinyl chloride <br /> Ca=calcium Mn=manganese VOA=volatile organic analysis <br /> COD=chemical oxygen demand N=nitrogen VOCs=volatile organic compounds <br /> Cr=chromium Na=sodium <br /> Geosyntec censullaMa,Inc. <br /> Page 1 of 1 <br />