Date:02-22-2024STATE OF CALIFORNIA 
LAST AND NEXT SAMPLE REPORT
SYSTEM NO.:1910223SYSTEM NAME:GSWC-SOUTH SAN GABRIELCOUNTY:LOS ANGELES 
SOURCE NO.:803SOURCE NAME:SITE 4-7...*SOURCE CLASS:DBPQSTATUS: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
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2943 BROMODICHLOROMETHANE 1.100 1.000 UG/L 1 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2942 BROMOFORM 1.000 1.000 UG/L 1 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2941 CHLOROFORM < 1.000 UG/L 1 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2454 DIBROMOACETIC ACID < 1.000 UG/L 1 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2944 DIBROMOCHLOROMETHANE 1.600 1.000 UG/L 1 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2451 DICHLOROACETIC ACID < 1.000 UG/L 1 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2456 TOTAL HALOACETIC ACIDS (HAA5) < 6.000 UG/L 60 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2453 MONOBROMOACETIC ACID < 1.000 UG/L 1 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2450 MONOCHLOROACETIC ACID < 2.000 UG/L 2 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2950 TTHM 4.400 4.000 UG/L 80 10-23-2023 3 2024/01 DUE NOW
CA1910223_DST_803 DISINFECTION BYPRODUCTS 2452 TRICHLOROACETIC ACID < 1.000 UG/L 1 10-23-2023 3 2024/01 DUE NOW
PS Codes Group Name Analyte Number Analyte Name Detected Level Less Than RL Unit MCL DLR Last Sampled Frequency Next Due Notes

*Please refer to the Stage 2 DBP Monitoring Plan Approval Letter for full sample point names.
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.