CA Drinking Water Watch

HELM SCHOOL (1000186)

All Sampling Results From To

SAMP LOC...* (CA1000186_DST_901)

Click to hide / show columns: Analyte Number | Analyte Name | Sampling Date | Detected Level | Less Than | RL | Counting Error (+/-) | MCL | DLR | Unit | Lab Sample ID | Lab | ELAP | Method |

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Analyte Number Analyte Name Sampling Date Results Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
Detected Level Less Than RL
Analyte Number Analyte Name Sampling Date Detected Level Less Than RL Counting Error (+/-) MCL DLR Unit Lab Sample ID Lab ELAP Method
2950 TTHM 11-17-2023 45 0.5 80 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2944 DIBROMOCHLOROMETHANE 11-17-2023 18 0.5 1 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2943 BROMODICHLOROMETHANE 11-17-2023 7.0 0.5 1 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2942 BROMOFORM 11-17-2023 16 0.5 1 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2941 CHLOROFORM 11-17-2023 4.0 0.5 1 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 524.2
2456 TOTAL HALOACETIC ACIDS (HAA5) 11-17-2023 13 2 60 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2454 DIBROMOACETIC ACID 11-17-2023 9.1 1 1 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 11-17-2023 < 1 1 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2452 TRICHLOROACETIC ACID 11-17-2023 2.0 1 1 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2451 DICHLOROACETIC ACID 11-17-2023 1.9 1 1 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2450 MONOCHLOROACETIC ACID 11-17-2023 < 2 2 UG/L AGK2517-01 BSK ANALYTICAL LABORATORIES 1180 EPA 552.3
2453 MONOBROMOACETIC ACID 10-20-2020 1.1000000 1 1 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 10-20-2020 5.6000000 1 1 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 10-20-2020 57.0000000 80 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 10-20-2020 8.8000000 1 1 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 10-20-2020 2.2000000 1 1 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 10-20-2020 11.0000000 1 1 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-20-2020 17.0000000 60 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 10-20-2020 21.0000000 1 1 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 10-20-2020 2.5000000 1 1 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 10-20-2020 < 2 2 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 10-20-2020 22.0000000 1 1 UG/L 4539012010201245D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 10-10-2017 32.0000000 1 1 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 10-10-2017 1.2000000 1 1 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 10-10-2017 13.0000000 1 1 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 10-10-2017 3.4000000 1 1 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 10-10-2017 12.0000000 1 1 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 10-10-2017 74.0000000 80 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 10-10-2017 21.0000000 1 1 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 10-10-2017 4.0000000 1 1 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-10-2017 21.0000000 60 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 10-10-2017 8.5000000 1 1 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 10-10-2017 < 2 2 UG/L 4539011710101300D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 10-07-2014 < 1 1 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 10-07-2014 < 2 2 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 10-07-2014 < 1 1 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 10-07-2014 < 1 1 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 10-07-2014 < 1 1 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 10-07-2014 < 1 1 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 10-07-2014 1.6000000 1 1 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 10-07-2014 < 80 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 10-07-2014 < 1 1 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 10-07-2014 < 60 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 10-07-2014 < 1 1 UG/L 4539011410071432D BSK ANALYTICAL LABORATORIES 1180
2942 BROMOFORM 08-05-2014 4.0000000 1 1 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2944 DIBROMOCHLOROMETHANE 08-05-2014 15.0000000 1 1 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2943 BROMODICHLOROMETHANE 08-05-2014 13.0000000 1 1 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2453 MONOBROMOACETIC ACID 08-05-2014 < 1 1 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2452 TRICHLOROACETIC ACID 08-05-2014 9.7000000 1 1 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2451 DICHLOROACETIC ACID 08-05-2014 14.0000000 1 1 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2950 TTHM 08-05-2014 49.0000000 80 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2450 MONOCHLOROACETIC ACID 08-05-2014 < 2 2 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2454 DIBROMOACETIC ACID 08-05-2014 7.0000000 1 1 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2941 CHLOROFORM 08-05-2014 17.0000000 1 1 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180
2456 TOTAL HALOACETIC ACIDS (HAA5) 08-05-2014 31.0000000 60 UG/L 4539011408051210D BSK ANALYTICAL LABORATORIES 1180

*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.