Date:05-18-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:4901080SYSTEM NAME:SPEEDWAY SONOMA LLCCOUNTY:SONOMA 
SOURCE NO.:003SOURCE NAME:BLACK MOUNTAIN WELLSOURCE CLASS:NTGASTATUS: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_003_003 INORGANIC-202604 1002 ALUMINUM 210.000 50.000 UG/L 1000 50 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202604 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202401 1005 ARSENIC < 2.000 UG/L 10 2 10-03-2023 3 2024/01 DUE NOW
CA4901080_003_003 INORGANIC-203204 1094 ASBESTOS < 0.200 MFL 7 .2 04-11-2023 108 2032/04
CA4901080_003_003 INORGANIC-202604 1010 BARIUM 400.000 100.000 UG/L 1000 100 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202604 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202604 1015 CADMIUM < 1.000 UG/L 5 1 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202401 1020 CHROMIUM < 10.000 UG/L 50 10 10-03-2023 3 2024/01 DUE NOW
CA4901080_003_003 INORGANIC-202604 1025 FLUORIDE 0.180 0.100 MG/L 2 .1 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202604 1035 MERCURY < 1.000 UG/L 2 1 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202604 1036 NICKEL 19.000 10.000 UG/L 100 10 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202406 1039 PERCHLORATE < 4.000 UG/L 6 4 06-23-2021 36 2024/06
CA4901080_003_003 INORGANIC-202604 1045 SELENIUM < 5.000 UG/L 50 5 04-11-2023 36 2026/04
CA4901080_003_003 INORGANIC-202604 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 04-11-2023 36 2026/04
CA4901080_003_003 NITRATE/NITRITE-202404 1040 NITRATE < 0.400 MG/L 10 .4 04-11-2023 12 2024/04 DUE NOW
CA4901080_003_003 NITRATE/NITRITE-202604 1041 NITRITE < 0.200 MG/L 1 .4 04-11-2023 36 2026/04
CA4901080_003_003 RADIOLOGICAL-202612 4109 GROSS ALPHA PARTICLE ACTIVITY 1.720 +/- 1.540 1.800 PCI/L 15 3 12-23-2020 72 2026/12
CA4901080_003_003 REGULATED VOC-202804 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2990 BENZENE < 0.500 UG/L 1 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2251 METHYL TERT-BUTYL ETHER < 3.000 UG/L 13 3 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2996 STYRENE < 0.500 UG/L 100 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2991 TOLUENE < 0.500 UG/L 150 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED VOC-202804 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 04-06-2022 72 2028/04
CA4901080_003_003 REGULATED SOC-203012 2110 2,4,5-TP < 1.000 UG/L 50 1 12-07-2021 108 2030/12
CA4901080_003_003 REGULATED SOC-203012 2105 2,4-D < 10.000 UG/L 70 10 12-07-2021 108 2030/12
CA4901080_003_003 REGULATED SOC-202412 2050 ATRAZINE < 0.500 UG/L 1 .5 12-07-2021 36 2024/12
CA4901080_003_003 REGULATED SOC-202604 2046 CARBOFURAN < 5.000 UG/L 18 5 04-11-2023 36 2026/04
CA4901080_003_003 REGULATED SOC-202412 2031 DALAPON < 10.000 UG/L 200 10 12-07-2021 36 2024/12
CA4901080_003_003 REGULATED SOC-202412 2041 DINOSEB < 2.000 UG/L 7 2 12-07-2021 36 2024/12
CA4901080_003_003 REGULATED SOC-202604 2032 DIQUAT < 4.000 UG/L 20 4 04-11-2023 36 2026/04
CA4901080_003_003 REGULATED SOC-202604 2033 ENDOTHALL < 45.000 UG/L 100 45 04-11-2023 36 2026/04
CA4901080_003_003 REGULATED SOC-202403 2946 ETHYLENE DIBROMIDE < UG/L .05 .02 03-24-2015 108 2024/03 DUE NOW
CA4901080_003_003 REGULATED SOC-202908 2065 HEPTACHLOR < UG/L .01 .01 08-26-2020 108 2029/08
CA4901080_003_003 REGULATED SOC-202908 2067 HEPTACHLOR EPOXIDE < UG/L .01 .01 08-26-2020 108 2029/08
CA4901080_003_003 REGULATED SOC-202908 2010 BHC-GAMMA < 0.200 UG/L .2 .2 08-26-2020 108 2029/08
CA4901080_003_003 REGULATED SOC-202908 2015 METHOXYCHLOR < 10.000 UG/L 30 10 08-26-2020 108 2029/08
CA4901080_003_003 REGULATED SOC-202604 2036 OXAMYL < 20.000 UG/L 50 20 04-11-2023 36 2026/04
CA4901080_003_003 REGULATED SOC-202412 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 12-07-2021 36 2024/12
CA4901080_003_003 REGULATED SOC-202412 2040 PICLORAM < 1.000 UG/L 500 1 12-07-2021 36 2024/12
CA4901080_003_003 REGULATED SOC-202412 2037 SIMAZINE < 1.000 UG/L 4 1 12-07-2021 36 2024/12
CA4901080_003_003 REGULATED SOC-202908 2020 TOXAPHENE < 1.000 UG/L 3 1 08-26-2020 108 2029/08
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.