Date:05-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4901080SYSTEM NAME:SPEEDWAY SONOMA LLCCOUNTY:SONOMA 
SOURCE NO.:008SOURCE NAME:WELL G9-2 AKA ARTESIAN WELL - STANDBYSOURCE CLASS:NSBASTATUS:A



Click to hide / show columns: PS Codes | Group Name | Analyte Number | Analyte Name | Detected Level |Less Than | RL | Unit | MCL | DLR | Last Sampled | Frequency | Next Due | Notes

PS Codes Group Name Analyte Number Analyte Name Results Unit MCL DLR Last Sampled Frequency Next Due Notes
Detected Level Less Than RL
CA4901080_008_008 INORGANIC-202905 1002 ALUMINUM < 50.000 UG/L 1000 50 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-202905 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-202905 1005 ARSENIC < 2.000 UG/L 10 2 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-202305 1094 ASBESTOS < 0.200 MFL 7 .2 05-19-2014 108 2023/05 DUE NOW
CA4901080_008_008 INORGANIC-202905 1010 BARIUM 180.000 100.000 UG/L 1000 100 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-202905 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-202905 1015 CADMIUM < 1.000 UG/L 5 1 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-202402 1020 CHROMIUM < 10.000 UG/L 50 10 02-10-2021 36 2024/02 DUE NOW
CA4901080_008_008 INORGANIC-202905 1025 FLUORIDE 0.150 0.100 MG/L 2 .1 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-202402 1035 MERCURY < 1.000 UG/L 2 1 02-10-2021 36 2024/02 DUE NOW
CA4901080_008_008 INORGANIC-202905 1036 NICKEL < 10.000 UG/L 100 10 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-203006 1039 PERCHLORATE < 4.000 UG/L 6 4 06-23-2021 108 2030/06
CA4901080_008_008 INORGANIC-202905 1045 SELENIUM < 5.000 UG/L 50 5 05-27-2020 108 2029/05
CA4901080_008_008 INORGANIC-202905 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 05-27-2020 108 2029/05
CA4901080_008_008 NITRATE/NITRITE-203105 1040 NITRATE 0.820 0.400 MG/L 10 .4 05-18-2022 108 2031/05
CA4901080_008_008 NITRATE/NITRITE-202905 1041 NITRITE < 0.400 MG/L 1 .4 05-27-2020 108 2029/05
CA4901080_008_008 RADIOLOGICAL-202706 4109 GROSS ALPHA PARTICLE ACTIVITY 0.245 +/- 1.270 2.100 PCI/L 15 3 06-23-2021 72 2027/06
CA4901080_008_008 REGULATED VOC-203005 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2990 BENZENE < 0.500 UG/L 1 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-202705 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 05-19-2021 72 2027/05
CA4901080_008_008 REGULATED VOC-203005 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2996 STYRENE < 0.500 UG/L 100 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-202305 2991 TOLUENE < 0.500 UG/L 150 .5 05-18-2022 12 2023/05 DUE NOW
CA4901080_008_008 REGULATED VOC-203005 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED VOC-203005 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 05-19-2021 108 2030/05
CA4901080_008_008 REGULATED SOC-202305 2110 2,4,5-TP < 1.000 UG/L 50 1 05-19-2014 108 2023/05 DUE NOW
CA4901080_008_008 REGULATED SOC-202305 2105 2,4-D < 10.000 UG/L 70 10 05-19-2014 108 2023/05 DUE NOW
CA4901080_008_008 REGULATED SOC-202905 2050 ATRAZINE < 0.500 UG/L 1 .5 05-27-2020 108 2029/05
CA4901080_008_008 REGULATED SOC-202305 2031 DALAPON < 10.000 UG/L 200 10 05-19-2014 108 2023/05 DUE NOW
CA4901080_008_008 REGULATED SOC-202305 2041 DINOSEB < 2.000 UG/L 7 2 05-19-2014 108 2023/05 DUE NOW
CA4901080_008_008 REGULATED SOC-202306 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 06-16-2014 108 2023/06 DUE NOW
CA4901080_008_008 REGULATED SOC-202305 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 05-19-2014 108 2023/05 DUE NOW
CA4901080_008_008 REGULATED SOC-202305 2040 PICLORAM < 1.000 UG/L 500 1 05-19-2014 108 2023/05 DUE NOW
CA4901080_008_008 REGULATED SOC-202905 2037 SIMAZINE < 1.000 UG/L 4 1 05-27-2020 108 2029/05
PS Codes Group Name Analyte Number Analyte Name Detected Level Less Than RL Unit MCL DLR Last Sampled Frequency Next Due Notes

RL – Reporting Level means the level to which the laboratory reported the presence of an analyte. For radionuclides, Reporting Level is the MDA95.

DLR – Detection Limit for purposes of Reporting (DLR) means the designated minimum level at or above which any analytical finding of a contaminant in drinking water resulting from monitoring required under Chapter 15 of Title 22 shall be reported to the State Board (California Code of Regulations Section § 64400.34)

For addtional definitions, please refer to our data dictionary.