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D <br />E <br />F <br />I] <br />L <br />U <br />d <br />d <br />j <br />j <br />d <br />d <br />d <br />�7 <br />Corral Hollow Sanitary Landfill 22 Department of Public Works/Solid Waste <br />4th <br />Quarter and Annual 2013 Groundwater Monitoring County of San Joaquin - January 15, 2014 <br />Table I <br />Fourth Quarter 2013 Groundwater Monitoring Results - Shallow Aquifer <br />Corral Hollow Sanitary Landfill <br />(Units mg/1 unless note <br />Monitoring Point SB -1 MW -4 MW -5 MW -8 <br />.... . . . . ......... .... <br />Monitoring Date Date Date Conc. Date co Date Cone. <br />Cone. <br />10/C7/20j Limit 10/17/2014 j 10/17/2014 Limit 10/17/2014 Limit <br />Monitoring and Field Parameters <br />Elevations (Leet) <br />TOC Elevation 275.46 <br />NR <br />246.67 NR 300.93 NR <br />NR 305.66 <br />NR <br />Depth to Groundwater 41.95 <br />NR <br />22.30 NR 69.71 NR <br />NR <br />NR <br />.. . ............ . .... <br />Groundwater Elevation 233.51 <br />NR <br />... . ..... . ...... <br />224.37 NR 231.22 NR <br />_18.�?­_J_ <br />NR 226.77 <br />NR <br />General Water Quality Parameters <br />Tem <br />Te (oC) jfjeIq ......... . <br />22.6 <br />NR <br />21.5 <br />NR <br />NR <br />22.1 NR 21.0 NR <br />)_Lfield <br />6.98 <br />6.89-7.7 <br />6.91 <br />6.78-8.0 <br />6.7 6.89-8.1 NS 7.36 6.89-8.2 <br />Electrical Conductivity <br />I 1091 <br />1,700 <br />1951 <br />3,400 <br />1280 2,400 NS 673.3 810 <br />(US/cm) (field)._ <br />Turbidi!y (��TTU) (field) <br />28.9 <br />200 <br />102.Lj.. <br />200 <br />48.7 180 75 <br />N� 73.8 <br />Constituents of Concern <br />Bicarbonate Alkalinity as <br />------- <br />-- - NT <br />700 <br />NT <br />510 <br />570 680 <br />NS <br />NT <br />330 <br />HCO3 <br />Carbonate Alkalinity as <br />NT <br />680 <br />NT <br />5 <br />ND 780 <br />NS <br />NT <br />220 <br />CaCO3 <br />Chloride <br />16 <br />120 <br />150 <br />650 <br />97 280 <br />NS <br />33 <br />450 <br />Nitrate as Nitrogen_-- <br />0,066 <br />42 <br />10 <br />59 <br />13 74 <br />NS <br />10 <br />14 <br />. . . . ........ <br />Sulfate <br />36 <br />67 <br />470 <br />1300 <br />14 660 <br />deer <br />C 14 <br />26 <br />Total Dissolved Solids <br />700 <br />810 <br />1400 <br />2000 <br />820 1500 <br />iner <br />430 <br />450 <br />Calcium NT <br />.. . ....... . . . ......... ........ . . . . . ......... -- <br />100 NT 210 130 170 NS NT I <br />.Calcium <br />NT <br />31 NT 46 ----NS NT I <br />.. . . ..... ................. . - <br />Sodium NT <br />160 RT- 240 1 93 N S NT I <br />Potassium NT <br />................. . . . . .............. <br />5.1 NT7.2 4.7 <br />3.7 NS NT I <br />Volatile Organic Compounds (8260B) <br />... .. . ........... . ..... . ..... .. --- ---- ------ <br />(u&L) ...... -- ----- -------- <br />Chloroform ND <br />detect ND detect 0.32* detect NS ND detect <br />. . .......... . .. <br />1,1-Dichloroethane ND <br />detect ND detect ND detect NS 0.59 detect <br />Dichlorodifluoromethane ND <br />.. . . . ........ . . . ........ . ............. . <br />detect ND detect 7.0 detect deer 7.2 detect <br />Cis- 1,2-Dichloroethen�e ND <br />.. . .... . ........... ... <br />detect ND detect 0.33* detect incr ND detect <br />Tetrachloroethane (PCE ND <br />detect ND detect 4.2 detect iner 4.5 detect <br />.. <br />-------- <br />Trichloroethene (TCE) ND <br />. .. . ......... . ...... . . ..... . .... .......... . .. . . <br />--------- <br />detect ND detect 0.61 detect deer 0.35* detect <br />- - - - ----- - ------ - . ... . .... <br />Trichlorofluoromethane ND <br />detect ND detect 3.7 detect NS 8.3 detect <br />Vinyl Chloride ND <br />I detect . ....... ................ . . ND detect detect I __0.40* detect I deer ND j .......... detect <br />. . .......... ......... ... <br />Not Required <br />ND = Not Detected *Trace Concentration (estimated value) <br />NE = Not established, due to > 50% non -detects NT = Not Tested <br />() Parameter also detected in one or more quality control blanks <br />MCL = Maximum Contaminant Levels <br />NL = Not Listed Bold values indicate a detected organic compound. <br />NS = Not statistically significant <br />deer = significantly decreasing trend iner = significantly increasing trend <br />Underlined values indicate a concentration <br />limit exceedance. I = Insufficient data for statistical analysis <br />[1] Not established due to statistically significant increasing trend. Concentration limit from VYDRs. <br />... . .......... . ...... . ............ . ....... . ... . ........... . . . . ...... . . .................. <br />Corral Hollow Sanitary Landfill 22 Department of Public Works/Solid Waste <br />4th <br />Quarter and Annual 2013 Groundwater Monitoring County of San Joaquin - January 15, 2014 <br />