Date:05-15-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:3600172SYSTEM NAME:MP MINE OPERATIONS LLCCOUNTY:SAN BERNARDINO 
SOURCE NO.:003SOURCE NAME:WELL#3-SHADOW VALLEYSOURCE CLASS:GMVSSTATUS: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
CA3600172_003_003 SECONDARY/GP-202510 1928 ALKALINITY, BICARBONATE 200.000 10.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1919 CALCIUM 75.000 1.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1929 ALKALINITY, CARBONATE < 10.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1017 CHLORIDE 25.000 1.000 MG/L 500 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1905 COLOR < 5.000 UNITS 15 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1022 COPPER, FREE < 50.000 UG/L 1000 50 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 2905 FOAMING AGENTS (SURFACTANTS) < 0.050 MG/L .5 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1915 HARDNESS, TOTAL (AS CACO3) 327.000 1.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1021 HYDROXIDE AS CALCIUM CARBONATE < 10.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1028 IRON < 100.000 UG/L 300 100 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1031 MAGNESIUM 34.000 1.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1032 MANGANESE < 20.000 UG/L 50 20 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1920 ODOR < 1.000 TON 3 1 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202210 1925 PH 7.900 pH 10-15-2019 36 2022/10 DUE NOW
CA3600172_003_003 SECONDARY/GP-202510 1050 SILVER < 10.000 UG/L 100 10 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1052 SODIUM 81.000 1.000 MG/L 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1064 CONDUCTIVITY @ 25 C UMHOS/CM 898.000 UMHO/CM 1600 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1055 SULFATE 273.000 0.500 MG/L 500 .5 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1930 TDS 590.000 40.000 MG/L 1000 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 0100 TURBIDITY < 0.100 NTU 5 .1 10-04-2022 36 2025/10
CA3600172_003_003 SECONDARY/GP-202510 1095 ZINC < 50.000 UG/L 5000 50 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1002 ALUMINUM < 50.000 UG/L 1000 50 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1074 ANTIMONY, TOTAL < 6.000 UG/L 6 6 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1005 ARSENIC 3.000 2.000 UG/L 10 2 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1010 BARIUM < 100.000 UG/L 1000 100 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1075 BERYLLIUM, TOTAL < 1.000 UG/L 4 1 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1015 CADMIUM < 1.000 UG/L 5 1 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1020 CHROMIUM < 10.000 UG/L 50 10 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1024 CYANIDE < 100.000 UG/L 150 100 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1025 FLUORIDE 1.100 0.100 MG/L 2 .1 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1035 MERCURY < 1.000 UG/L 2 1 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1036 NICKEL < 10.000 UG/L 100 10 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1039 PERCHLORATE < 2.000 UG/L 6 2 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1045 SELENIUM < 5.000 UG/L 50 5 10-04-2022 36 2025/10
CA3600172_003_003 INORGANIC-202510 1085 THALLIUM, TOTAL < 1.000 UG/L 2 1 10-04-2022 36 2025/10
CA3600172_003_003 NITRATE/NITRITE-202410 1040 NITRATE 1.100 0.400 MG/L 10 .4 10-30-2023 12 2024/10
CA3600172_003_003 NITRATE/NITRITE-202511 1041 NITRITE < 0.400 MG/L 1 .4 11-16-2022 36 2025/11
CA3600172_003_003 RADIOLOGICAL-202411 4109 GROSS ALPHA PARTICLE ACTIVITY 9.420 +/- 1.720 1.390 PCI/L 15 3 11-18-2021 36 2024/11
CA3600172_003_003 RADIOLOGICAL-202411 4006 COMBINED URANIUM 4.210 +/- 0.000 1.000 PCI/L 20 1 11-18-2021 36 2024/11
CA3600172_003_003 REGULATED VOC-202510 2981 1,1,1-TRICHLOROETHANE < 0.500 UG/L 200 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2988 1,1,2,2-TETRACHLOROETHANE < 0.500 UG/L 1 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2985 1,1,2-TRICHLOROETHANE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2978 1,1-DICHLOROETHANE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2977 1,1-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2378 1,2,4-TRICHLOROBENZENE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2968 O-DICHLOROBENZENE < 0.500 UG/L 600 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2980 1,2-DICHLOROETHANE < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2983 1,2-DICHLOROPROPANE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2413 1,3-DICHLOROPROPENE < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2969 P-DICHLOROBENZENE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2990 BENZENE < 0.500 UG/L 1 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2982 CARBON TETRACHLORIDE < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2380 CIS-1,2-DICHLOROETHYLENE < 0.500 UG/L 6 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2964 DICHLOROMETHANE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2992 ETHYLBENZENE < 0.500 UG/L 300 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2251 METHYL TERT-BUTYL ETHER < 0.500 UG/L 13 3 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2989 CHLOROBENZENE < 0.500 UG/L 70 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2996 STYRENE < 0.500 UG/L 100 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2987 TETRACHLOROETHYLENE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2991 TOLUENE < 0.500 UG/L 150 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2979 TRANS-1,2-DICHLOROETHYLENE < 0.500 UG/L 10 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2984 TRICHLOROETHYLENE < 0.500 UG/L 5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2218 TRICHLOROFLUOROMETHANE < 5.000 UG/L 150 5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2904 TRICHLOROTRIFLUOROETHANE < 10.000 UG/L 1200 10 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2976 VINYL CHLORIDE < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED VOC-202510 2955 XYLENES, TOTAL < 0.500 UG/L 1750 0.5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202610 2414 1,2,3-TRICHLOROPROPANE < 0.005 UG/L 0.005 10-30-2023 36 2026/10
CA3600172_003_003 REGULATED SOC-202510 2063 2,3,7,8-TCDD < 0.005 NG/L 0.03 0.005 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2110 2,4,5-TP < 1.000 UG/L 50 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2105 2,4-D < 10.000 UG/L 70 10 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2051 LASSO (ALACHLOR) < 1.000 UG/L 2 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2050 ATRAZINE < 0.500 UG/L 1 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2625 BENTAZON < 2.000 UG/L 18 2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2306 BENZO(A)PYRENE < 0.100 UG/L .2 .1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2046 CARBOFURAN < 5.000 UG/L 18 5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2959 CHLORDANE < 0.100 UG/L .1 .1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2031 DALAPON < 10.000 UG/L 200 10 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2035 DI(2-ETHYLHEXYL) ADIPATE < 5.000 UG/L 400 5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2039 DI(2-ETHYLHEXYL) PHTHALATE < 3.000 UG/L 4 3 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2931 1,2-DIBROMO-3-CHLOROPROPANE < 0.010 UG/L .2 .01 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2041 DINOSEB < 2.000 UG/L 7 2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2032 DIQUAT < 4.000 UG/L 20 4 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2033 ENDOTHALL < 45.000 UG/L 100 45 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2005 ENDRIN < 0.100 UG/L 2 .1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2946 ETHYLENE DIBROMIDE < 0.020 UG/L .05 .02 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2034 GLYPHOSATE < 25.000 UG/L 700 25 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2065 HEPTACHLOR < 0.010 UG/L .01 .01 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2067 HEPTACHLOR EPOXIDE < 0.010 UG/L .01 .01 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2274 HEXACHLOROBENZENE < 0.500 UG/L 1 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2042 HEXACHLOROCYCLOPENTADIENE < 1.000 UG/L 50 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2010 BHC-GAMMA < 0.200 UG/L .2 .2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2015 METHOXYCHLOR < 10.000 UG/L 30 10 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2626 MOLINATE < 2.000 UG/L 20 2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2036 OXAMYL < 20.000 UG/L 50 20 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2326 PENTACHLOROPHENOL < 0.200 UG/L 1 .2 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2040 PICLORAM < 1.000 UG/L 500 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2383 TOTAL POLYCHLORINATED BIPHENYLS (PCB) < 0.500 UG/L .5 .5 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2037 SIMAZINE < 1.000 UG/L 4 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2727 THIOBENCARB (BOLERO) < 1.000 UG/L 70 1 10-04-2022 36 2025/10
CA3600172_003_003 REGULATED SOC-202510 2020 TOXAPHENE < 1.000 UG/L 3 1 10-04-2022 36 2025/10
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.