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Table 11
<br />Leachate Analytical Results, First Quarter 2024 – Austin Road Unit
<br />Forward Landfill Water Quality Monitoring Report – First Quarter 2024
<br />9999 South Austin Road
<br />San Joaquin County, California
<br />A-Leachate F-West FU-03 FU-04E FU-04W FU-05 FU-06 FU-17 FU-19E FU-19W
<br />1/24/2024 2/2/2024 2/2/2024 2/2/2024 2/2/2024 2/2/2024 2/2/2024 2/2/2024 2/2/2024 2/2/2024
<br />Field Parameters
<br />pH Units 8.25 NS 6.70 7.14 6.92 NS 7.01 6.95 6.90 6.83
<br />Specific Conductance µS/cm 7,943 NS 4,230 6,201 6,239 NS 10,600 1,722 3,121 8,406
<br />Temperature °C 12.9 NS 26.2 28.3 31.4 NS 24.3 15.6 23.2 23.1
<br />Turbidity NTU 40 NS 9.14 19 15 NS 18 2 4 14
<br />General Chemistry
<br />Bicarbonate mg/L NS NS 1,300 2,800 2,000 NS 2,400 880 1,400 1,700
<br />Calcium mg/L NS NS 320 150 230 NS 210 160 400 380
<br />Carbonate mg/L NS NS <5 <5 <5 NS <5 <5 <5 <5
<br />Chloride mg/L NS NS 800 800 1,000 NS 2,500 92 250 2,200
<br />Magnesium mg/L NS NS 190 140 180 NS 240 53 140 310
<br />Nitrate as Nitrogen mg/L NS NS <0.5 1.7 <1 NS <1 <0.2 <0.5 <1
<br />Potassium mg/L NS NS 4.3 63 20 NS 68 13 5.1 52
<br />Sodium mg/L NS NS 320 980 870 NS 1,800 130 180 850
<br />Sulfate mg/L NS NS 3.2 J 1.4 J 100 NS 38 17 3.4 J 3 J
<br />Total Dissolved Solids mg/L NS NS 2,600 3,900 3,700 NS 6,600 1,000 2,600 6,200
<br />Inorganic Constituents of Concern
<br />Cyanide (dissolved)mg/L NS NS 0.00239 J 0.004 J 0.00553 NS 0.00845 <0.025 <0.025 0.00371 J
<br />Sulfide (dissolved)mg/L NS NS <0.1 <0.1 <0.1 NS <0.1 0.06 J <0.1 <0.1
<br />Aluminum, dissolved mg/L NS NS <0.05 0.025 J <0.05 NS <0.5 0.024 J <0.05 0.033 J
<br />Antimony, dissolved mg/L NS NS 0.0099 J 0.016 J 0.017 J NS <1 <0.1 <0.1 0.0075 J
<br />Arsenic, dissolved mg/L NS NS <0.05 <0.05 <0.05 NS <0.5 <0.05 <0.05 <0.05
<br />Barium, dissolved mg/L NS NS 5.2 3.0 2.9 NS 3.5 1.9 4.7 8.6
<br />Beryllium, dissolved mg/L NS NS <0.01 <0.01 <0.01 NS <0.1 <0.01 <0.01 <0.01
<br />Cadmium, dissolved mg/L NS NS <0.01 0.0022 J 0.0013 J NS <0.1 <0.01 <0.01 <0.01
<br />Chromium, dissolved mg/L NS NS 0.0025 J 0.010 0.01 NS 0.032 J 0.0011 J 0.0026 J 0.0150
<br />Hexavalent Chromium mg/L NS NS 0.00016 J 0.00047 0.0003 NS <0.0002 0.000034 J 0.00017 J <0.0002
<br />Cobalt, dissolved mg/L NS NS <0.05 0.0085 J 0.0079 J NS 0.013 J 0.011 J 0.01 J 0.023 J
<br />Copper, dissolved mg/L NS NS <0.01 <0.01 <0.01 NS 0.016 J <0.01 <0.01 <0.01
<br />Iron, dissolved mg/L NS NS 0.13 0.68 0.71 NS 1.4 1.8 1.5 0.44
<br />Lead, dissolved mg/L NS NS 0.0043 J 0.0058 J 0.0046 J NS <0.5 <0.05 <0.05 <0.05
<br />Manganese, dissolved mg/L NS NS 4.8 1.3 1.8 NS 2.9 11 21 6.3
<br />Mercury, dissolved mg/L NS NS <0.0002 <0.0002 <0.0002 NS <0.0002 <0.0002 <0.0002 <0.0002
<br />Nickel, dissolved mg/L NS NS 0.053 0.056 0.100 NS 0.24 0.014 0.027 0.22
<br />Selenium, dissolved mg/L NS NS 0.017 J 0.093 J 0.063 J NS <1 <0.1 <0.1 0.018 J
<br />Silver, dissolved mg/L NS NS <0.01 <0.01 <0.01 NS <0.1 <0.01 <0.01 0.0012 J
<br />Thallium, dissolved mg/L NS NS <0.1 <0.1 <0.1 NS <1 <0.1 <0.1 <0.1
<br />Tin, dissolved mg/L NS NS <0.05 0.012 J <0.05 NS <0.5 <0.05 <0.05 <0.05
<br />Vanadium, dissolved mg/L NS NS <0.01 0.0046 J 0.0032 J NS <0.1 0.0032 J <0.01 0.0056 J
<br />Zinc, dissolved mg/L NS NS 0.014 <0.01 <0.01 NS <0.1 <0.01 <0.01 <0.01
<br />1,1-Dichloroethane µg/L NS NS <0.5 <0.5 <0.5 NS <0.5 <0.5 <0.5 0.12 J
<br />1,2-Dichlorobenzene µg/L NS NS <0.5 <0.5 <0.5 NS 0.16 J 0.08 J 0.13 J 0.09 J
<br />1,2-Dichloroethane µg/L NS NS <0.5 <0.5 <0.5 NS <0.5 1.1 <0.5 1.2
<br />1,2-Dichloropropane µg/L NS NS 1.0 0.4 J 0.66 NS 0.61 0.68 0.58 1.5
<br />1,4-Dichlorobenzene µg/L NS NS 16 10 11 NS 3.7 1.8 2.9 3.0
<br />2-Butanone (MEK)µg/L NS NS <10 <10 <10 NS <10 1,300 43,000 <10
<br />4-Methyl-2-Pentanone µg/L NS NS <10 <10 <10 NS <10 8.8 J 560 <10
<br />Acetone µg/L NS NS <10 12 <10 NS 18 400 35,000 <10
<br />Benzene µg/L NS NS 16 8.1 10 NS 5.8 4.7 7.8 6.8
<br />Chlorobenzene µg/L NS NS 2.3 1.5 1.6 NS <0.5 <0.5 <0.5 <0.5
<br />cis-1,2-Dichloroethene µg/L NS NS <0.5 <0.5 1.2 NS <0.5 <0.5 <0.5 <0.5
<br />Di-isopropyl ether µg/L NS NS <0.5 <0.5 <0.5 NS <0.5 0.29 J 0.63 <0.5
<br />Ethyl tert-butyl ether µg/L NS NS <0.5 <0.5 <0.5 NS <0.5 <0.5 0.2 J <0.5
<br />Ethylbenzene µg/L NS NS 8.3 21 28 NS 8.0 6.9 23 3.4
<br />Methyl tert-butyl ether µg/L NS NS 2.3 1.0 1.5 NS 0.73 0.35 J 0.44 J <0.5
<br />Naphthalene µg/L NS NS 13 22 21 NS 5.6 3.4 9.2 5.8
<br />tert-Butyl alcohol µg/L NS NS 7,100 1,700 4,000 NS 2,700 75 3,000 2,600
<br />Tetrachloroethene µg/L NS NS <0.5 <0.5 <0.5 NS <0.5 <0.5 0.26 J <0.5
<br />Toluene µg/L NS NS 1.9 3.1 3.8 NS 1.3 3.8 45 0.86
<br />Total Xylenes µg/L NS NS 40 33 50 NS 11 17 47 19
<br />Trichloroethene µg/L NS NS 0.16 J 0.14 J 0.22 J NS 0.13 J 0.2 J 0.32 J <0.5
<br />Vinyl chloride µg/L NS NS 0.3 J <0.5 2.2 NS <0.5 0.16 J 1.1 <0.5
<br />Notes:
<br />1. Only organic compounds reported at concentrations above the detection limits are shown.
<br />2. Bold indicates the analyte was detected at a concentration greater than the laboratory practical quantitation limit.
<br />Acronyms and Abbreviations:
<br />µg/L = microgram per liter
<br />µS/cm = microSiemen per centimeter
<br />< = indicates that the analyte was not detected at a concentration greater than the laboratory practical quantitation limit
<br />°C = degree Celsius
<br />mg/L = milligram per liter
<br />NS = not sampled
<br />NTU = nephelometric turbidity unit
<br />Qualifier:
<br />J = Estimated concentration.
<br />Analyte Unit
<br />Volatile Organic Compounds
<br />Forward 1Q24 Tables 18/22
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