Chloroform
Meriden Water Division
Chloroform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Chloroform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Read More.
In addition to tap water disinfection, chloroform pollution in the environment also comes from industrial discharges from pulp and paper mills, and from urban wastewater effluent. Human studies show that chloroform damages the kidneys, liver and central nervous system. In animals, chloroform causes infertility, birth defects and cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 28.9 ppb | 68 | 58 | ND - 65.0 ppb |
| 2019 | 22.3 ppb | 70 | 61 | ND - 47.0 ppb |
| 2020 | 26.5 ppb | 67 | 61 | ND - 59.0 ppb |
| 2021 | 30.8 ppb | 65 | 59 | ND - 83.0 ppb |
| 2022 | 28.1 ppb | 66 | 61 | ND - 67.0 ppb |
| 2023 | 28.5 ppb | 64 | 61 | ND - 61.0 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.4 ppb
The EWG Health Guideline of 0.4 ppb for chloroform was based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-18 | BZ74951VOC1 | ND |
| 2018-02-08 | BZ86181TTHM | 36.0 ppb |
| 2018-02-08 | BZ86182TTHM | 37.0 ppb |
| 2018-02-08 | BZ86183TTHM | 24.0 ppb |
| 2018-02-08 | BZ86184TTHM | 35.0 ppb |
| 2018-02-08 | BZ86185TTHM | 40.0 ppb |
| 2018-02-08 | BZ86186TTHM | 6.60 ppb |
| 2018-02-08 | BZ86187TTHM | 35.0 ppb |
| 2018-02-08 | BZ86188TTHM | 39.0 ppb |
| 2018-03-12 | CA01226TTHM | 31.0 ppb |
| 2018-03-12 | CA01227TTHM | 28.0 ppb |
| 2018-03-12 | CA01228TTHM | 38.0 ppb |
| 2018-04-12 | CA19004TTHM | 32.0 ppb |
| 2018-04-12 | CA19005TTHM | 29.0 ppb |
| 2018-04-12 | CA19006TTHM | 39.0 ppb |
| 2018-05-10 | CA44958TTHM | 25.0 ppb |
| 2018-05-10 | CA44959TTHM | 25.0 ppb |
| 2018-05-10 | CA44960TTHM | 25.0 ppb |
| 2018-05-10 | CA44961TTHM | 43.0 ppb |
| 2018-05-10 | CA44962TTHM | 46.0 ppb |
| 2018-05-10 | CA44963TTHM | 10.00 ppb |
| 2018-05-10 | CA44964TTHM | 26.0 ppb |
| 2018-05-10 | CA44965TTHM | 31.0 ppb |
| 2018-05-17 | CA49083VOC1 | ND |
| 2018-06-07 | CA65949TTHM | 34.0 ppb |
| 2018-06-07 | CA65950TTHM | 33.0 ppb |
| 2018-06-07 | CA65951TTHM | 40.0 ppb |
| 2018-07-12 | CA88491TTHM | 39.0 ppb |
| 2018-07-12 | CA88492TTHM | 39.0 ppb |
| 2018-07-12 | CA88493TTHM | 43.0 ppb |
| 2018-07-19 | CA94410 | 37.0 ppb |
| 2018-07-19 | CA94411 | 43.0 ppb |
| 2018-07-19 | CA94412 | 10.00 ppb |
| 2018-07-19 | CA94413 | ND |
| 2018-07-26 | CA98719 | ND |
| 2018-08-09 | CB08267 | 49.0 ppb |
| 2018-08-09 | CB08268 | 48.0 ppb |
| 2018-08-09 | CB08269 | 44.0 ppb |
| 2018-08-09 | CB08270 | 53.0 ppb |
| 2018-08-09 | CB08271 | 55.0 ppb |
| 2018-08-09 | CB08272 | 65.0 ppb |
| 2018-08-09 | CB08273 | 47.0 ppb |
| 2018-08-09 | CB08274 | 50.0 ppb |
| 2018-08-09 | CB08263 | ND |
| 2018-08-23 | CB17441 | 37.0 ppb |
| 2018-09-13 | CB30717 | 41.0 ppb |
| 2018-09-13 | CB30718 | 39.0 ppb |
| 2018-09-13 | CB30719 | 44.0 ppb |
| 2018-09-20 | CB35508 | 3.50 ppb |
| 2018-09-20 | CB35511 | ND |
| 2018-09-27 | CB59877 | ND |
| 2018-10-11 | CB69876 | 27.0 ppb |
| 2018-10-11 | CB69877 | 27.0 ppb |
| 2018-10-11 | CB69878 | 30.0 ppb |
| 2018-10-11 | CB69872 | ND |
| 2018-11-14 | CB97384 | 20.0 ppb |
| 2018-11-14 | CB97385 | 20.0 ppb |
| 2018-11-14 | CB97386 | 47.0 ppb |
| 2018-11-14 | CB97387 | 22.0 ppb |
| 2018-11-14 | CB97371 | ND |
| 2018-11-20 | CC02615 | 25.0 ppb |
| 2018-11-20 | CC02616 | 57.0 ppb |
| 2018-11-20 | CC02617 | 22.0 ppb |
| 2018-11-20 | CC02618 | 26.0 ppb |
| 2018-12-07 | CC11054 | ND |
| 2018-12-12 | CC12839 | 22.0 ppb |
| 2018-12-12 | CC12840 | 21.0 ppb |
| 2018-12-12 | CC12841 | 23.0 ppb |
| 2019-01-09 | CC26159 | 20.0 ppb |
| 2019-01-09 | CC26160 | 22.0 ppb |
| 2019-01-09 | CC26161 | 22.0 ppb |
| 2019-02-06 | CC41805 | 2.40 ppb |
| 2019-02-13 | CC51440 | 14.0 ppb |
| 2019-02-13 | CC51441 | 15.0 ppb |
| 2019-02-13 | CC51442 | 15.0 ppb |
| 2019-02-13 | CC51443 | 19.0 ppb |
| 2019-02-13 | CC51444 | 18.0 ppb |
| 2019-02-13 | CC51445 | 5.90 ppb |
| 2019-02-13 | CC51446 | 18.0 ppb |
| 2019-02-13 | CC51447 | 18.0 ppb |
| 2019-03-13 | CC67336 | 15.0 ppb |
| 2019-03-13 | CC67337 | 17.0 ppb |
| 2019-03-13 | CC67338 | 21.0 ppb |
| 2019-04-10 | CC92173 | 17.0 ppb |
| 2019-04-10 | CC92174 | 17.0 ppb |
| 2019-04-10 | CC92175 | 33.0 ppb |
| 2019-04-25 | CD01551 | ND |
| 2019-05-08 | CD09263 | 22.0 ppb |
| 2019-05-08 | CD09264 | 22.0 ppb |
| 2019-05-08 | CD09265 | 21.0 ppb |
| 2019-05-08 | CD09266 | 31.0 ppb |
| 2019-05-08 | CD09267 | 35.0 ppb |
| 2019-05-08 | CD09268 | 21.0 ppb |
| 2019-05-08 | CD09269 | 23.0 ppb |
| 2019-05-08 | CD09270 | 22.0 ppb |
| 2019-05-08 | CD09272 | ND |
| 2019-06-12 | CD33213 | 27.0 ppb |
| 2019-06-12 | CD33214 | 27.0 ppb |
| 2019-06-12 | CD33215 | 36.0 ppb |
| 2019-06-19 | CD38010 | 0.640 ppb |
| 2019-06-19 | CD38011 | ND |
| 2019-06-19 | CD38012 | ND |
| 2019-06-26 | CD42474 | 33.0 ppb |
| 2019-06-26 | CD42475 | 24.0 ppb |
| 2019-06-26 | CD42476 | 7.10 ppb |
| 2019-07-10 | CD53538 | 35.0 ppb |
| 2019-07-10 | CD53539 | 36.0 ppb |
| 2019-07-10 | CD53540 | 45.0 ppb |
| 2019-07-10 | CD53533 | ND |
| 2019-08-07 | CD80098 | ND |
| 2019-08-14 | CD84984 | 39.0 ppb |
| 2019-08-14 | CD84985 | 42.0 ppb |
| 2019-08-14 | CD84986 | 22.0 ppb |
| 2019-08-14 | CD84987 | 41.0 ppb |
| 2019-08-14 | CD84988 | 41.0 ppb |
| 2019-08-14 | CD84989 | 25.0 ppb |
| 2019-08-14 | CD84990 | 36.0 ppb |
| 2019-08-14 | CD84991 | 24.0 ppb |
| 2019-09-04 | CD97370 | ND |
| 2019-09-11 | CE06528 | 34.0 ppb |
| 2019-09-11 | CE06529 | 34.0 ppb |
| 2019-09-11 | CE06530 | 45.0 ppb |
| 2019-10-02 | CE25548 | ND |
| 2019-10-09 | CE29947 | 39.0 ppb |
| 2019-10-09 | CE29948 | 39.0 ppb |
| 2019-10-09 | CE29949 | 47.0 ppb |
| 2019-11-06 | CE55216 | ND |
| 2019-11-14 | CE60570 | 27.0 ppb |
| 2019-11-14 | CE60571 | 23.0 ppb |
| 2019-11-14 | CE60572 | 32.0 ppb |
| 2019-11-14 | CE60573 | 29.0 ppb |
| 2019-11-14 | CE60574 | 30.0 ppb |
| 2019-11-14 | CE60575 | 14.0 ppb |
| 2019-11-14 | CE60576 | 47.0 ppb |
| 2019-11-14 | CE60577 | 19.0 ppb |
| 2019-12-11 | CE85082 | 17.0 ppb |
| 2019-12-11 | CE85083 | 18.0 ppb |
| 2019-12-11 | CE85084 | 22.0 ppb |
| 2020-01-31 | CF24539 | 23.0 ppb |
| 2020-01-31 | CF24540 | 24.0 ppb |
| 2020-01-31 | CF24541 | 21.0 ppb |
| 2020-02-19 | CF34503 | 21.0 ppb |
| 2020-02-19 | CF34504 | 21.0 ppb |
| 2020-02-19 | CF34505 | 23.0 ppb |
| 2020-02-19 | CF34506 | 7.60 ppb |
| 2020-02-19 | CF34507 | 21.0 ppb |
| 2020-02-19 | CF34508 | 9.00 ppb |
| 2020-02-19 | CF34509 | 26.0 ppb |
| 2020-02-19 | CF34510 | 18.0 ppb |
| 2020-03-16 | CF50882 | 24.0 ppb |
| 2020-03-16 | CF50883 | 26.0 ppb |
| 2020-03-16 | CF50884 | 30.0 ppb |
| 2020-04-08 | CF70494 | 24.0 ppb |
| 2020-04-08 | CF70495 | 25.0 ppb |
| 2020-04-08 | CF70496 | 34.0 ppb |
| 2020-05-20 | CF98466 | 25.0 ppb |
| 2020-05-20 | CF98467 | 25.0 ppb |
| 2020-05-20 | CF98468 | 38.0 ppb |
| 2020-05-20 | CF98469 | 22.0 ppb |
| 2020-05-20 | CF98470 | 26.0 ppb |
| 2020-05-21 | CF99453 | 23.0 ppb |
| 2020-05-21 | CF99454 | 40.0 ppb |
| 2020-05-21 | CF99455 | 55.0 ppb |
| 2020-06-10 | CG10480 | 23.0 ppb |
| 2020-06-10 | CG10481 | 26.0 ppb |
| 2020-06-10 | CG10482 | 38.0 ppb |
| 2020-06-10 | CG10479 | 13.0 ppb |
| 2020-06-17 | CG16086 | 35.0 ppb |
| 2020-06-17 | CG16087 | 34.0 ppb |
| 2020-06-17 | CG16088 | 7.90 ppb |
| 2020-07-08 | CG29532 | ND |
| 2020-07-15 | CG34276 | 29.0 ppb |
| 2020-07-15 | CG34277 | 29.0 ppb |
| 2020-07-15 | CG34278 | 40.0 ppb |
| 2020-07-29 | CG43211 | 2.50 ppb |
| 2020-07-29 | CG43212 | ND |
| 2020-08-12 | CG52360 | 38.0 ppb |
| 2020-08-12 | CG52361 | 38.0 ppb |
| 2020-08-12 | CG52362 | 41.0 ppb |
| 2020-08-12 | CG52363 | 51.0 ppb |
| 2020-08-12 | CG52364 | 46.0 ppb |
| 2020-08-12 | CG52365 | 50.0 ppb |
| 2020-08-12 | CG52366 | 59.0 ppb |
| 2020-08-12 | CG52367 | 23.0 ppb |
| 2020-08-12 | CG52353 | ND |
| 2020-09-09 | CG73199 | 30.0 ppb |
| 2020-09-09 | CG73200 | 28.0 ppb |
| 2020-09-09 | CG73201 | 36.0 ppb |
| 2020-09-30 | CG88204 | ND |
| 2020-10-07 | CG92447 | ND |
| 2020-10-14 | CG96690 | 31.0 ppb |
| 2020-10-14 | CG96691 | 31.0 ppb |
| 2020-10-14 | CG96692 | 33.0 ppb |
| 2020-11-12 | CH13749 | 29.0 ppb |
| 2020-11-12 | CH13750 | 32.0 ppb |
| 2020-11-12 | CH13751 | 23.0 ppb |
| 2020-11-12 | CH13752 | 29.0 ppb |
| 2020-11-12 | CH13753 | 33.0 ppb |
| 2020-11-12 | CH13754 | 42.0 ppb |
| 2020-11-12 | CH13755 | 36.0 ppb |
| 2020-11-12 | CH13756 | 23.0 ppb |
| 2020-11-12 | CH13760 | ND |
| 2020-12-09 | CH28026 | 26.0 ppb |
| 2020-12-09 | CH28027 | 26.0 ppb |
| 2020-12-09 | CH28028 | 32.0 ppb |
| 2021-01-13 | CH45536 | 24.0 ppb |
| 2021-01-13 | CH45537 | 25.0 ppb |
| 2021-01-13 | CH45538 | 37.0 ppb |
| 2021-02-04 | CH56876 | 20.0 ppb |
| 2021-02-04 | CH56877 | 17.0 ppb |
| 2021-02-04 | CH56878 | 27.0 ppb |
| 2021-02-04 | CH56879 | 29.0 ppb |
| 2021-02-04 | CH56880 | 21.0 ppb |
| 2021-02-04 | CH56881 | 1.80 ppb |
| 2021-02-04 | CH56882 | 29.0 ppb |
| 2021-02-04 | CH56883 | 19.0 ppb |
| 2021-03-11 | CH76653 | 20.0 ppb |
| 2021-03-11 | CH76654 | 21.0 ppb |
| 2021-03-11 | CH76655 | 28.0 ppb |
| 2021-04-14 | CH99106 | 21.0 ppb |
| 2021-04-14 | CH99107 | 21.0 ppb |
| 2021-04-14 | CH99108 | 33.0 ppb |
| 2021-04-26 | CI15487 | ND |
| 2021-05-05 | CI23778 | 24.0 ppb |
| 2021-05-05 | CI23779 | 24.0 ppb |
| 2021-05-05 | CI23780 | 32.0 ppb |
| 2021-05-05 | CI23781 | 31.0 ppb |
| 2021-05-05 | CI23782 | 38.0 ppb |
| 2021-05-05 | CI23783 | 20.0 ppb |
| 2021-05-05 | CI23784 | 54.0 ppb |
| 2021-05-05 | CI23785 | 16.0 ppb |
| 2021-05-05 | CI23774 | ND |
| 2021-06-09 | CI51091 | 31.0 ppb |
| 2021-06-09 | CI51092 | 32.0 ppb |
| 2021-06-09 | CI51093 | 6.70 ppb |
| 2021-06-09 | CI51094 | 23.0 ppb |
| 2021-06-09 | CI51095 | 2.50 ppb |
| 2021-06-09 | CI51096 | ND |
| 2021-06-14 | CI54537 | ND |
| 2021-06-16 | CI56522 | 28.0 ppb |
| 2021-06-16 | CI56523 | 30.0 ppb |
| 2021-06-16 | CI56524 | 31.0 ppb |
| 2021-07-28 | CI83796 | ND |
| 2021-08-09 | CI93330 | ND |
| 2021-08-25 | CJ13502 | 40.0 ppb |
| 2021-08-25 | CJ13503 | 42.0 ppb |
| 2021-08-25 | CJ13504 | 67.0 ppb |
| 2021-08-25 | CJ13505 | 48.0 ppb |
| 2021-08-25 | CJ13506 | 49.0 ppb |
| 2021-08-25 | CJ13507 | 77.0 ppb |
| 2021-08-25 | CJ13508 | 83.0 ppb |
| 2021-08-25 | CJ13509 | 46.0 ppb |
| 2021-08-25 | CJ13500 | 0.550 ppb |
| 2021-09-15 | CJ28964 | 48.0 ppb |
| 2021-09-15 | CJ28965 | 48.0 ppb |
| 2021-09-15 | CJ28966 | 51.0 ppb |
| 2021-10-20 | CJ65919 | 46.0 ppb |
| 2021-10-20 | CJ65920 | 46.0 ppb |
| 2021-10-20 | CJ65921 | 48.0 ppb |
| 2021-11-17 | CJ79930 | 37.0 ppb |
| 2021-11-17 | CJ79931 | 37.0 ppb |
| 2021-11-17 | CJ79932 | 61.0 ppb |
| 2021-11-17 | CJ79933 | 49.0 ppb |
| 2021-11-17 | CJ79934 | 42.0 ppb |
| 2021-11-17 | CJ79935 | 19.0 ppb |
| 2021-11-17 | CJ79936 | 77.0 ppb |
| 2021-11-17 | CJ79937 | 35.0 ppb |
| 2021-12-15 | CJ98528 | 29.0 ppb |
| 2021-12-15 | CJ98529 | 29.0 ppb |
| 2021-12-15 | CJ98530 | 28.0 ppb |
| 2022-01-12 | CK14621 | 27.0 ppb |
| 2022-01-12 | CK14622 | 22.0 ppb |
| 2022-01-12 | CK14623 | 33.0 ppb |
| 2022-02-09 | CK33235 | 21.0 ppb |
| 2022-02-09 | CK33236 | 22.0 ppb |
| 2022-02-09 | CK33237 | 29.0 ppb |
| 2022-02-09 | CK33238 | 26.0 ppb |
| 2022-02-09 | CK33239 | 22.0 ppb |
| 2022-02-09 | CK33240 | 2.30 ppb |
| 2022-02-09 | CK33241 | 27.0 ppb |
| 2022-02-09 | CK33242 | 20.0 ppb |
| 2022-03-09 | CK82923 | 23.0 ppb |
| 2022-03-09 | CK82924 | 22.0 ppb |
| 2022-03-09 | CK82925 | 23.0 ppb |
| 2022-04-13 | CL07788 | 22.0 ppb |
| 2022-04-13 | CL07789 | 22.0 ppb |
| 2022-04-13 | CL07790 | 42.0 ppb |
| 2022-05-19 | CL34117 | 30.0 ppb |
| 2022-05-19 | CL34118 | 30.0 ppb |
| 2022-05-19 | CL34119 | 38.0 ppb |
| 2022-05-19 | CL34120 | 39.0 ppb |
| 2022-05-19 | CL34121 | 35.0 ppb |
| 2022-05-19 | CL34122 | 6.20 ppb |
| 2022-05-19 | CL34123 | 45.0 ppb |
| 2022-05-19 | CL34124 | 24.0 ppb |
| 2022-05-25 | CL38209 | 22.0 ppb |
| 2022-06-01 | CL45769 | 39.0 ppb |
| 2022-06-01 | CL45770 | 36.0 ppb |
| 2022-06-01 | CL45771 | 7.50 ppb |
| 2022-06-01 | CL45772 | 2.80 ppb |
| 2022-06-01 | CL45773 | ND |
| 2022-06-15 | CL56834 | 29.0 ppb |
| 2022-06-15 | CL56835 | 29.0 ppb |
| 2022-06-15 | CL56836 | 39.0 ppb |
| 2022-06-22 | CL61866 | ND |
| 2022-06-27 | CL64555 | ND |
| 2022-07-13 | CL76342 | 37.0 ppb |
| 2022-07-13 | CL76343 | 39.0 ppb |
| 2022-07-13 | CL76344 | 34.0 ppb |
| 2022-07-27 | CL90095 | ND |
| 2022-08-10 | CM01659 | 46.0 ppb |
| 2022-08-10 | CM01660 | 49.0 ppb |
| 2022-08-10 | CM01661 | 67.0 ppb |
| 2022-08-10 | CM01662 | 46.0 ppb |
| 2022-08-10 | CM01663 | 45.0 ppb |
| 2022-08-10 | CM01664 | 46.0 ppb |
| 2022-08-10 | CM01665 | 61.0 ppb |
| 2022-08-10 | CM01666 | 30.0 ppb |
| 2022-09-14 | CM30991 | 41.0 ppb |
| 2022-09-14 | CM30992 | 41.0 ppb |
| 2022-09-14 | CM30993 | 46.0 ppb |
| 2022-10-12 | CM60353 | 33.0 ppb |
| 2022-10-12 | CM60354 | 28.0 ppb |
| 2022-10-12 | CM60355 | 40.0 ppb |
| 2022-11-09 | CM80564 | ND |
| 2022-11-15 | CM87043 | 27.0 ppb |
| 2022-11-15 | CM87044 | 28.0 ppb |
| 2022-11-15 | CM87046 | 32.0 ppb |
| 2022-11-15 | CM87047 | 24.0 ppb |
| 2022-11-15 | CM87049 | 26.0 ppb |
| 2022-11-15 | CM87050 | 22.0 ppb |
| 2022-11-16 | CM87048 | 22.0 ppb |
| 2022-11-16 | CM87045 | 29.0 ppb |
| 2022-12-21 | CN09696 | 19.0 ppb |
| 2022-12-21 | CN09697 | 19.0 ppb |
| 2022-12-21 | CN09698 | 22.0 ppb |
| 2023-01-11 | CN21149 | 18.0 ppb |
| 2023-01-11 | CN21150 | 17.0 ppb |
| 2023-01-11 | CN21151 | 18.0 ppb |
| 2023-01-30 | CN32219 | 12.0 ppb |
| 2023-02-15 | CN43462 | 21.0 ppb |
| 2023-02-15 | CN43463 | 20.0 ppb |
| 2023-02-15 | CN43464 | 32.0 ppb |
| 2023-02-15 | CN43465 | 23.0 ppb |
| 2023-02-15 | CN43466 | 28.0 ppb |
| 2023-02-15 | CN43467 | 7.70 ppb |
| 2023-02-15 | CN43468 | 32.0 ppb |
| 2023-02-15 | CN43469 | 13.0 ppb |
| 2023-03-08 | CN55434 | 19.0 ppb |
| 2023-03-08 | CN55435 | 18.0 ppb |
| 2023-03-08 | CN55436 | 31.0 ppb |
| 2023-03-08 | CN55431 | 17.0 ppb |
| 2023-03-13 | CN58724 | 4.30 ppb |
| 2023-03-15 | CN60227 | 2.50 ppb |
| 2023-03-15 | CN60228 | ND |
| 2023-03-22 | CN65582 | 18.0 ppb |
| 2023-04-19 | CN86745 | 24.0 ppb |
| 2023-04-19 | CN86746 | 24.0 ppb |
| 2023-04-19 | CN86747 | 34.0 ppb |
| 2023-05-10 | CO02317 | 21.0 ppb |
| 2023-05-10 | CO02318 | 23.0 ppb |
| 2023-05-10 | CO02319 | 33.0 ppb |
| 2023-05-10 | CO02320 | 33.0 ppb |
| 2023-05-10 | CO02321 | 39.0 ppb |
| 2023-05-10 | CO02322 | 8.60 ppb |
| 2023-05-10 | CO02323 | 35.0 ppb |
| 2023-05-10 | CO02324 | 19.0 ppb |
| 2023-06-14 | CO27763 | 25.0 ppb |
| 2023-06-14 | CO27764 | 25.0 ppb |
| 2023-06-14 | CO27765 | 40.0 ppb |
| 2023-07-12 | CO48627 | 38.0 ppb |
| 2023-07-12 | CO48628 | 41.0 ppb |
| 2023-07-12 | CO48629 | 44.0 ppb |
| 2023-07-17 | CO51914 | ND |
| 2023-07-28 | CO61474 | ND |
| 2023-08-10 | CO71756 | 34.0 ppb |
| 2023-08-10 | CO71757 | 35.0 ppb |
| 2023-08-10 | CO71758 | 57.0 ppb |
| 2023-08-10 | CO71759 | 46.0 ppb |
| 2023-08-10 | CO71760 | 44.0 ppb |
| 2023-08-10 | CO71761 | 34.0 ppb |
| 2023-08-10 | CO71762 | 61.0 ppb |
| 2023-08-10 | CO71763 | 28.0 ppb |
| 2023-09-20 | CP04549 | 31.0 ppb |
| 2023-09-20 | CP04550 | 32.0 ppb |
| 2023-09-20 | CP04551 | 49.0 ppb |
| 2023-10-11 | CP22990 | 34.0 ppb |
| 2023-10-11 | CP22991 | 32.0 ppb |
| 2023-10-11 | CP22992 | 43.0 ppb |
| 2023-11-08 | CP43390 | 22.0 ppb |
| 2023-11-08 | CP43391 | 26.0 ppb |
| 2023-11-08 | CP43392 | 55.0 ppb |
| 2023-11-08 | CP43393 | 35.0 ppb |
| 2023-11-08 | CP43394 | 41.0 ppb |
| 2023-11-08 | CP43395 | 54.0 ppb |
| 2023-11-08 | CP43396 | 57.0 ppb |
| 2023-11-08 | CP43397 | 30.0 ppb |
| 2023-12-13 | CP66586 | 27.0 ppb |
| 2023-12-13 | CP66587 | 26.0 ppb |
| 2023-12-13 | CP66588 | 36.0 ppb |