Nitrate and nitrite
Prosser, Village of
Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. These contaminants can cause oxygen deprivation for infants and increase the risk of cancer. Nitrite is significantly more toxic than nitrate. Click here to read more about nitrate.
469
Samples
18
Samples exceeding legal limit (MCL)
459
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 11.7 ppm | 4 | 4 | 10.8 ppm - 12.1 ppm |
| 2015 | 12.6 ppm | 4 | 4 | 11.6 ppm - 13.1 ppm |
| 2016 | 3.14 ppm | 40 | 39 | ND - 13.8 ppm |
| 2017 | 3.69 ppm | 140 | 135 | ND - 14.7 ppm |
| 2018 | 2.98 ppm | 141 | 141 | 0.479 ppm - 15.1 ppm |
| 2019 | 4.03 ppm | 140 | 140 | 0.152 ppm - 16.5 ppm |
ppm = parts per million
State and national drinking water standards and health guidelines
EWG Health Guideline 0.14 ppm
The health guideline of 0.14 parts per million, or ppm, for nitrate and nitrite is based on the equivalent health guideline for nitrate, as defined in a peer-reviewed scientific study by EWG. This guideline represents a one-in-one-million annual cancer risk level.
EPA Maximum Contaminant
Level (MCL) 10 ppm
ppm = parts per million
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-14 | 281147 | 12.1 ppm |
| 2014-04-22 | 294029 | 12.0 ppm |
| 2014-07-30 | 308736 | 10.8 ppm |
| 2014-10-29 | 328177 | 11.9 ppm |
| 2015-01-07 | 344335 | 12.6 ppm |
| 2015-05-11 | 357619 | 12.9 ppm |
| 2015-08-04 | 372692 | 11.6 ppm |
| 2015-10-28 | 392156 | 13.1 ppm |
| 2016-01-13 | 13.2 ppm | |
| 2016-03-27 | 0.493 ppm | |
| 2016-05-04 | 13.1 ppm | |
| 2016-08-10 | 11.9 ppm | |
| 2016-11-01 | 13.8 ppm | |
| 2016-12-07 | 1.95 ppm | |
| 2016-12-07 | 3.14 ppm | |
| 2016-12-07 | 4.14 ppm | |
| 2016-12-07 | 1.16 ppm | |
| 2016-12-07 | 2.73 ppm | |
| 2016-12-07 | 1.69 ppm | |
| 2016-12-07 | 1.45 ppm | |
| 2016-12-07 | 2.46 ppm | |
| 2016-12-07 | 2.72 ppm | |
| 2016-12-21 | 0.720 ppm | |
| 2016-12-21 | 0.175 ppm | |
| 2016-12-21 | 0.764 ppm | |
| 2016-12-21 | 3.01 ppm | |
| 2016-12-21 | 1.90 ppm | |
| 2016-12-21 | 4.20 ppm | |
| 2016-12-21 | 2.34 ppm | |
| 2016-12-21 | 3.42 ppm | |
| 2016-12-21 | 1.30 ppm | |
| 2016-12-26 | 3.40 ppm | |
| 2016-12-26 | 2.35 ppm | |
| 2016-12-26 | 3.29 ppm | |
| 2016-12-26 | 3.00 ppm | |
| 2016-12-26 | 1.97 ppm | |
| 2016-12-26 | 1.31 ppm | |
| 2016-12-26 | 0.509 ppm | |
| 2016-12-26 | 0.523 ppm | |
| 2016-12-26 | 3.02 ppm | |
| 2016-12-26 | 2.07 ppm | |
| 2016-12-26 | 2.90 ppm | |
| 2016-12-28 | 0.149 ppm | |
| 2016-12-28 | 0.327 ppm | |
| 2016-12-28 | 3.36 ppm | |
| 2016-12-28 | 2.44 ppm | |
| 2016-12-28 | ND | |
| 2016-12-28 | 3.41 ppm | |
| 2017-03-07 | 14.7 ppm | |
| 2017-03-07 | 3.54 ppm | |
| 2017-03-07 | 5.02 ppm | |
| 2017-03-07 | 3.35 ppm | |
| 2017-03-07 | 2.81 ppm | |
| 2017-03-07 | 4.04 ppm | |
| 2017-03-07 | 3.90 ppm | |
| 2017-03-07 | 3.18 ppm | |
| 2017-03-07 | 4.13 ppm | |
| 2017-03-07 | 3.43 ppm | |
| 2017-03-07 | 4.16 ppm | |
| 2017-03-07 | 4.15 ppm | |
| 2017-03-07 | 4.02 ppm | |
| 2017-03-07 | 3.07 ppm | |
| 2017-03-07 | 2.93 ppm | |
| 2017-03-20 | 3.93 ppm | |
| 2017-03-20 | 8.23 ppm | |
| 2017-03-20 | 3.45 ppm | |
| 2017-03-20 | 4.00 ppm | |
| 2017-03-20 | 3.77 ppm | |
| 2017-03-20 | 4.55 ppm | |
| 2017-03-20 | 2.34 ppm | |
| 2017-03-20 | 5.15 ppm | |
| 2017-03-21 | 3.63 ppm | |
| 2017-03-21 | 3.92 ppm | |
| 2017-03-21 | 1.55 ppm | |
| 2017-03-21 | 3.79 ppm | |
| 2017-03-21 | 4.68 ppm | |
| 2017-03-21 | 0.123 ppm | |
| 2017-03-21 | 7.95 ppm | |
| 2017-03-21 | 2.97 ppm | |
| 2017-03-21 | 3.82 ppm | |
| 2017-03-21 | 4.35 ppm | |
| 2017-03-21 | 3.48 ppm | |
| 2017-03-21 | 4.35 ppm | |
| 2017-03-21 | 3.58 ppm | |
| 2017-06-27 | 3.38 ppm | |
| 2017-06-27 | 13.0 ppm | |
| 2017-06-27 | 0.0517 ppm | |
| 2017-06-27 | 4.49 ppm | |
| 2017-06-27 | 4.13 ppm | |
| 2017-06-27 | 3.79 ppm | |
| 2017-06-27 | ND | |
| 2017-06-27 | 3.72 ppm | |
| 2017-06-27 | 3.93 ppm | |
| 2017-06-27 | 3.14 ppm | |
| 2017-06-27 | 4.18 ppm | |
| 2017-06-27 | 4.19 ppm | |
| 2017-06-27 | 3.18 ppm | |
| 2017-06-27 | 3.70 ppm | |
| 2017-06-27 | 6.04 ppm | |
| 2017-06-27 | 3.62 ppm | |
| 2017-06-27 | 3.60 ppm | |
| 2017-06-27 | 3.48 ppm | |
| 2017-06-27 | 4.21 ppm | |
| 2017-06-27 | 4.10 ppm | |
| 2017-06-27 | 4.11 ppm | |
| 2017-06-28 | 0.118 ppm | |
| 2017-06-28 | 4.15 ppm | |
| 2017-06-28 | ND | |
| 2017-06-28 | 0.0653 ppm | |
| 2017-06-28 | 3.88 ppm | |
| 2017-06-28 | 3.98 ppm | |
| 2017-06-28 | 1.90 ppm | |
| 2017-06-28 | 3.90 ppm | |
| 2017-06-28 | 4.01 ppm | |
| 2017-06-28 | 3.84 ppm | |
| 2017-06-28 | 3.34 ppm | |
| 2017-06-28 | 4.59 ppm | |
| 2017-06-28 | 4.53 ppm | |
| 2017-06-28 | 4.26 ppm | |
| 2017-06-28 | 1.88 ppm | |
| 2017-09-12 | 3.13 ppm | |
| 2017-09-12 | 4.19 ppm | |
| 2017-09-12 | 3.97 ppm | |
| 2017-09-12 | 3.41 ppm | |
| 2017-09-12 | 13.4 ppm | |
| 2017-09-12 | 4.34 ppm | |
| 2017-09-12 | 1.31 ppm | |
| 2017-09-12 | 4.23 ppm | |
| 2017-09-12 | 5.26 ppm | |
| 2017-09-12 | 4.14 ppm | |
| 2017-09-12 | 4.62 ppm | |
| 2017-09-12 | 4.35 ppm | |
| 2017-09-12 | 4.38 ppm | |
| 2017-09-12 | 4.37 ppm | |
| 2017-09-12 | 4.90 ppm | |
| 2017-09-12 | 3.72 ppm | |
| 2017-09-12 | 4.21 ppm | |
| 2017-09-12 | 4.25 ppm | |
| 2017-09-12 | 4.76 ppm | |
| 2017-09-12 | 3.99 ppm | |
| 2017-09-12 | 4.60 ppm | |
| 2017-09-12 | 3.78 ppm | |
| 2017-09-13 | 4.38 ppm | |
| 2017-09-20 | 5.09 ppm | |
| 2017-09-20 | ND | |
| 2017-09-20 | 4.46 ppm | |
| 2017-09-20 | 4.42 ppm | |
| 2017-09-20 | ND | |
| 2017-09-20 | 3.80 ppm | |
| 2017-09-20 | 3.87 ppm | |
| 2017-09-20 | 5.14 ppm | |
| 2017-09-20 | 4.04 ppm | |
| 2017-09-20 | ND | |
| 2017-09-20 | 4.05 ppm | |
| 2017-09-20 | 4.08 ppm | |
| 2017-11-28 | 3.63 ppm | |
| 2017-12-10 | 3.69 ppm | |
| 2017-12-10 | 4.14 ppm | |
| 2017-12-10 | 3.54 ppm | |
| 2017-12-10 | 4.10 ppm | |
| 2017-12-10 | 4.14 ppm | |
| 2017-12-10 | 3.11 ppm | |
| 2017-12-10 | 3.86 ppm | |
| 2017-12-10 | 3.82 ppm | |
| 2017-12-10 | 3.17 ppm | |
| 2017-12-10 | 2.82 ppm | |
| 2017-12-10 | 2.66 ppm | |
| 2017-12-10 | 4.44 ppm | |
| 2017-12-10 | 2.59 ppm | |
| 2017-12-10 | 4.37 ppm | |
| 2017-12-11 | 1.90 ppm | |
| 2017-12-11 | 3.57 ppm | |
| 2017-12-11 | 1.42 ppm | |
| 2017-12-11 | 2.20 ppm | |
| 2017-12-11 | 2.76 ppm | |
| 2017-12-11 | 1.52 ppm | |
| 2017-12-11 | 2.83 ppm | |
| 2017-12-11 | 1.76 ppm | |
| 2017-12-11 | 1.82 ppm | |
| 2017-12-11 | 3.20 ppm | |
| 2017-12-11 | 3.60 ppm | |
| 2017-12-11 | 0.287 ppm | |
| 2017-12-11 | 2.88 ppm | |
| 2017-12-11 | 1.78 ppm | |
| 2017-12-11 | 3.73 ppm | |
| 2017-12-11 | 2.10 ppm | |
| 2017-12-12 | 0.288 ppm | |
| 2017-12-12 | 4.10 ppm | |
| 2018-01-03 | 531998 | 3.48 ppm |
| 2018-01-03 | 531999 | 3.38 ppm |
| 2018-03-26 | 531317 | 0.502 ppm |
| 2018-03-26 | 531319 | 0.479 ppm |
| 2018-03-26 | 531320 | 0.988 ppm |
| 2018-03-26 | 531323 | 0.782 ppm |
| 2018-03-26 | 531324 | 0.491 ppm |
| 2018-03-26 | 531325 | 0.936 ppm |
| 2018-03-26 | 531327 | 0.933 ppm |
| 2018-03-26 | 531328 | 0.516 ppm |
| 2018-03-26 | 531329 | 0.983 ppm |
| 2018-03-26 | 531330 | 0.899 ppm |
| 2018-03-26 | 531332 | 0.528 ppm |
| 2018-03-26 | 531333 | 0.512 ppm |
| 2018-03-26 | 531334 | 0.554 ppm |
| 2018-03-26 | 531336 | 0.517 ppm |
| 2018-03-26 | 531339 | 0.514 ppm |
| 2018-03-26 | 531341 | 0.515 ppm |
| 2018-03-26 | 531342 | 0.502 ppm |
| 2018-03-26 | 531346 | 0.507 ppm |
| 2018-03-26 | 531347 | 0.510 ppm |
| 2018-03-26 | 531348 | 1.09 ppm |
| 2018-03-26 | 531350 | 1.14 ppm |
| 2018-03-27 | 531321 | 0.520 ppm |
| 2018-03-27 | 531322 | 0.488 ppm |
| 2018-03-27 | 531326 | 0.503 ppm |
| 2018-03-27 | 531331 | 0.487 ppm |
| 2018-03-27 | 531335 | 0.499 ppm |
| 2018-03-27 | 531337 | 0.494 ppm |
| 2018-03-27 | 531338 | 0.506 ppm |
| 2018-03-27 | 531340 | 0.550 ppm |
| 2018-03-27 | 531343 | 0.521 ppm |
| 2018-03-27 | 531344 | 0.529 ppm |
| 2018-03-27 | 531345 | 0.544 ppm |
| 2018-03-27 | 531349 | 0.518 ppm |
| 2018-06-12 | 545201 | 15.1 ppm |
| 2018-06-18 | 545204 | 3.60 ppm |
| 2018-06-18 | 545207 | 4.53 ppm |
| 2018-06-18 | 545208 | 3.46 ppm |
| 2018-06-18 | 545213 | 3.73 ppm |
| 2018-06-18 | 545215 | 3.64 ppm |
| 2018-06-18 | 545216 | 5.21 ppm |
| 2018-06-18 | 545217 | 4.28 ppm |
| 2018-06-18 | 545219 | 4.69 ppm |
| 2018-06-18 | 545224 | 5.61 ppm |
| 2018-06-18 | 545226 | 1.87 ppm |
| 2018-06-18 | 545227 | 0.995 ppm |
| 2018-06-18 | 545228 | 3.97 ppm |
| 2018-06-18 | 545229 | 4.74 ppm |
| 2018-06-18 | 545232 | 3.46 ppm |
| 2018-06-18 | 545233 | 3.53 ppm |
| 2018-06-18 | 545234 | 0.791 ppm |
| 2018-06-18 | 545236 | 5.17 ppm |
| 2018-06-19 | 545203 | 4.86 ppm |
| 2018-06-19 | 545209 | 4.80 ppm |
| 2018-06-19 | 545210 | 4.92 ppm |
| 2018-06-19 | 545218 | 4.81 ppm |
| 2018-06-19 | 545223 | 4.79 ppm |
| 2018-06-19 | 545230 | 6.24 ppm |
| 2018-06-19 | 545231 | 4.82 ppm |
| 2018-06-19 | 545235 | 4.80 ppm |
| 2018-06-20 | 545202 | 4.69 ppm |
| 2018-06-20 | 545205 | 3.20 ppm |
| 2018-06-20 | 545214 | 6.41 ppm |
| 2018-06-20 | 545220 | 3.44 ppm |
| 2018-06-21 | 545206 | 3.89 ppm |
| 2018-06-21 | 545211 | 3.73 ppm |
| 2018-06-21 | 545212 | 4.54 ppm |
| 2018-06-21 | 545221 | 4.53 ppm |
| 2018-06-21 | 545222 | 4.55 ppm |
| 2018-06-21 | 545225 | 3.94 ppm |
| 2018-09-17 | 562776 | 4.64 ppm |
| 2018-09-17 | 562779 | 3.56 ppm |
| 2018-09-17 | 562780 | 3.75 ppm |
| 2018-09-17 | 562785 | 2.18 ppm |
| 2018-09-17 | 562786 | 4.15 ppm |
| 2018-09-17 | 562787 | 4.32 ppm |
| 2018-09-17 | 562789 | 4.14 ppm |
| 2018-09-17 | 562790 | 4.39 ppm |
| 2018-09-17 | 562791 | 1.96 ppm |
| 2018-09-17 | 562794 | 4.16 ppm |
| 2018-09-17 | 562795 | 3.76 ppm |
| 2018-09-17 | 562797 | 2.00 ppm |
| 2018-09-17 | 562800 | 2.19 ppm |
| 2018-09-17 | 562801 | 4.30 ppm |
| 2018-09-17 | 562802 | 4.17 ppm |
| 2018-09-17 | 562803 | 4.82 ppm |
| 2018-09-17 | 562804 | 4.61 ppm |
| 2018-09-17 | 562805 | 4.88 ppm |
| 2018-09-17 | 562807 | 4.61 ppm |
| 2018-09-18 | 562773 | 3.88 ppm |
| 2018-09-18 | 562774 | 4.14 ppm |
| 2018-09-18 | 562775 | 3.73 ppm |
| 2018-09-18 | 562777 | 3.84 ppm |
| 2018-09-18 | 562778 | 3.91 ppm |
| 2018-09-18 | 562781 | 4.32 ppm |
| 2018-09-18 | 562782 | 4.24 ppm |
| 2018-09-18 | 562783 | 4.07 ppm |
| 2018-09-18 | 562784 | 3.73 ppm |
| 2018-09-18 | 562788 | 4.23 ppm |
| 2018-09-18 | 562792 | 4.18 ppm |
| 2018-09-18 | 562793 | 3.85 ppm |
| 2018-09-18 | 562796 | 4.16 ppm |
| 2018-09-18 | 562798 | 3.95 ppm |
| 2018-09-18 | 562799 | 4.16 ppm |
| 2018-09-18 | 562806 | 4.17 ppm |
| 2018-12-10 | 578800 | 1.90 ppm |
| 2018-12-10 | 578801 | 2.00 ppm |
| 2018-12-10 | 578802 | 1.57 ppm |
| 2018-12-10 | 578803 | 1.62 ppm |
| 2018-12-10 | 578807 | 1.02 ppm |
| 2018-12-10 | 578809 | 4.15 ppm |
| 2018-12-10 | 578811 | 0.854 ppm |
| 2018-12-10 | 578815 | 4.11 ppm |
| 2018-12-10 | 578820 | 2.46 ppm |
| 2018-12-10 | 578823 | 1.66 ppm |
| 2018-12-10 | 578825 | 2.70 ppm |
| 2018-12-10 | 578826 | 1.59 ppm |
| 2018-12-10 | 578827 | 0.991 ppm |
| 2018-12-10 | 578828 | 2.58 ppm |
| 2018-12-10 | 578832 | 1.68 ppm |
| 2018-12-10 | 578833 | 1.02 ppm |
| 2018-12-17 | 578799 | 0.608 ppm |
| 2018-12-17 | 578804 | 4.05 ppm |
| 2018-12-17 | 578805 | 3.75 ppm |
| 2018-12-17 | 578806 | 4.29 ppm |
| 2018-12-17 | 578808 | 0.937 ppm |
| 2018-12-17 | 578810 | 3.87 ppm |
| 2018-12-17 | 578812 | 0.972 ppm |
| 2018-12-17 | 578813 | 3.21 ppm |
| 2018-12-17 | 578814 | 4.41 ppm |
| 2018-12-17 | 578816 | 3.63 ppm |
| 2018-12-17 | 578819 | 3.65 ppm |
| 2018-12-17 | 578821 | 3.66 ppm |
| 2018-12-17 | 578824 | 1.14 ppm |
| 2018-12-17 | 578829 | 3.79 ppm |
| 2018-12-17 | 578830 | 3.14 ppm |
| 2018-12-17 | 578831 | 4.24 ppm |
| 2018-12-18 | 578817 | 4.16 ppm |
| 2018-12-18 | 578818 | 5.26 ppm |
| 2018-12-18 | 578822 | 3.10 ppm |
| 2019-02-26 | 591376 | 2.97 ppm |
| 2019-02-26 | 591378 | 2.98 ppm |
| 2019-02-26 | 591380 | 3.21 ppm |
| 2019-02-26 | 591381 | 4.65 ppm |
| 2019-02-26 | 591384 | 1.30 ppm |
| 2019-02-26 | 591387 | 3.77 ppm |
| 2019-02-26 | 591392 | 3.49 ppm |
| 2019-02-26 | 591398 | 3.37 ppm |
| 2019-02-26 | 591401 | 2.75 ppm |
| 2019-02-26 | 591402 | 3.48 ppm |
| 2019-02-26 | 591403 | 0.489 ppm |
| 2019-02-26 | 591405 | 7.32 ppm |
| 2019-02-26 | 591406 | 3.66 ppm |
| 2019-02-26 | 591407 | 3.80 ppm |
| 2019-02-26 | 591408 | 3.49 ppm |
| 2019-02-26 | 591410 | 3.28 ppm |
| 2019-02-27 | 591388 | 3.27 ppm |
| 2019-02-27 | 591389 | 0.333 ppm |
| 2019-02-27 | 591396 | 3.07 ppm |
| 2019-02-27 | 591397 | 3.76 ppm |
| 2019-02-27 | 591399 | 3.63 ppm |
| 2019-02-27 | 591400 | 1.68 ppm |
| 2019-02-27 | 599571 | 3.46 ppm |
| 2019-03-10 | 591385 | 3.87 ppm |
| 2019-03-10 | 591393 | 3.79 ppm |
| 2019-03-11 | 591379 | 3.48 ppm |
| 2019-03-11 | 591382 | 4.63 ppm |
| 2019-03-11 | 591391 | 3.90 ppm |
| 2019-03-11 | 591394 | 1.96 ppm |
| 2019-03-17 | 591386 | 1.25 ppm |
| 2019-03-18 | 591377 | 4.51 ppm |
| 2019-03-24 | 591390 | 4.68 ppm |
| 2019-03-24 | 591395 | 3.20 ppm |
| 2019-03-26 | 591404 | 1.27 ppm |
| 2019-04-22 | 604192 | 4.82 ppm |
| 2019-04-22 | 604203 | 3.83 ppm |
| 2019-04-22 | 604208 | 0.957 ppm |
| 2019-04-22 | 604211 | 4.66 ppm |
| 2019-04-22 | 604212 | 4.66 ppm |
| 2019-04-22 | 604215 | 4.25 ppm |
| 2019-04-22 | 604216 | 4.24 ppm |
| 2019-04-22 | 604218 | 3.80 ppm |
| 2019-05-27 | 604185 | 3.65 ppm |
| 2019-05-27 | 604186 | 4.59 ppm |
| 2019-05-27 | 604190 | 4.47 ppm |
| 2019-05-27 | 604193 | 3.98 ppm |
| 2019-05-27 | 604194 | 3.41 ppm |
| 2019-05-27 | 604195 | 4.01 ppm |
| 2019-05-27 | 604201 | 4.41 ppm |
| 2019-05-27 | 604204 | 4.19 ppm |
| 2019-05-27 | 604205 | 4.31 ppm |
| 2019-05-27 | 604209 | 0.304 ppm |
| 2019-05-27 | 604210 | 11.4 ppm |
| 2019-05-27 | 604213 | 4.93 ppm |
| 2019-05-28 | 604184 | 3.89 ppm |
| 2019-05-28 | 604191 | 2.77 ppm |
| 2019-05-28 | 604196 | 4.67 ppm |
| 2019-05-28 | 604197 | 4.89 ppm |
| 2019-05-28 | 604199 | 4.00 ppm |
| 2019-05-28 | 604207 | 4.35 ppm |
| 2019-06-10 | 603501 | 16.5 ppm |
| 2019-06-25 | 604187 | 4.87 ppm |
| 2019-06-25 | 604200 | 4.58 ppm |
| 2019-06-25 | 604202 | 1.75 ppm |
| 2019-06-25 | 604217 | 6.80 ppm |
| 2019-06-25 | 617261 | 7.96 ppm |
| 2019-06-25 | 623669 | 4.75 ppm |
| 2019-06-26 | 604189 | 4.78 ppm |
| 2019-06-30 | 604198 | 5.71 ppm |
| 2019-06-30 | 604206 | 8.20 ppm |
| 2019-08-26 | 619358 | 4.38 ppm |
| 2019-08-26 | 619359 | 4.74 ppm |
| 2019-08-26 | 619360 | 4.66 ppm |
| 2019-08-26 | 619362 | 4.52 ppm |
| 2019-08-26 | 619363 | 3.87 ppm |
| 2019-08-26 | 619364 | 7.27 ppm |
| 2019-08-26 | 619365 | 4.30 ppm |
| 2019-08-26 | 619369 | 7.75 ppm |
| 2019-08-26 | 619371 | 4.80 ppm |
| 2019-08-26 | 619372 | 5.02 ppm |
| 2019-08-26 | 619376 | 4.51 ppm |
| 2019-08-26 | 619377 | 4.92 ppm |
| 2019-08-26 | 619378 | 4.26 ppm |
| 2019-08-26 | 619379 | 4.87 ppm |
| 2019-08-26 | 619380 | 4.67 ppm |
| 2019-08-26 | 619381 | 1.14 ppm |
| 2019-08-26 | 619384 | 4.02 ppm |
| 2019-08-26 | 619385 | 4.34 ppm |
| 2019-08-26 | 619386 | 4.10 ppm |
| 2019-08-26 | 619387 | 1.55 ppm |
| 2019-08-26 | 619388 | 8.36 ppm |
| 2019-08-26 | 619389 | 4.41 ppm |
| 2019-08-26 | 619390 | 0.949 ppm |
| 2019-08-27 | 619367 | 3.29 ppm |
| 2019-08-27 | 619383 | 4.55 ppm |
| 2019-09-18 | 619356 | 0.152 ppm |
| 2019-09-18 | 619357 | 8.21 ppm |
| 2019-09-18 | 619373 | 1.39 ppm |
| 2019-09-18 | 619374 | 4.45 ppm |
| 2019-09-29 | 619361 | 2.11 ppm |
| 2019-09-29 | 619366 | 4.69 ppm |
| 2019-09-29 | 619368 | 5.31 ppm |
| 2019-09-29 | 619375 | 4.32 ppm |
| 2019-09-29 | 619382 | 4.35 ppm |
| 2019-11-12 | 640589 | 4.20 ppm |
| 2019-11-12 | 640590 | 4.46 ppm |
| 2019-11-12 | 640592 | 3.42 ppm |
| 2019-11-12 | 640593 | 4.91 ppm |
| 2019-11-12 | 640595 | 3.01 ppm |
| 2019-11-12 | 640600 | 1.94 ppm |
| 2019-11-12 | 640609 | 4.16 ppm |
| 2019-11-12 | 640610 | 3.91 ppm |
| 2019-11-12 | 640611 | 3.49 ppm |
| 2019-11-12 | 640615 | 3.49 ppm |
| 2019-11-12 | 640618 | 2.56 ppm |
| 2019-11-12 | 640619 | 3.15 ppm |
| 2019-11-12 | 640620 | 0.831 ppm |
| 2019-12-02 | 640591 | 3.63 ppm |
| 2019-12-02 | 640599 | 8.48 ppm |
| 2019-12-02 | 640602 | 3.38 ppm |
| 2019-12-02 | 640607 | 4.02 ppm |
| 2019-12-02 | 640608 | 3.70 ppm |
| 2019-12-02 | 640614 | 3.29 ppm |
| 2019-12-02 | 640617 | 1.87 ppm |
| 2019-12-02 | 651366 | 3.46 ppm |
| 2019-12-03 | 640597 | 2.89 ppm |
| 2019-12-03 | 640601 | 2.84 ppm |
| 2019-12-03 | 640613 | 3.25 ppm |
| 2019-12-03 | 640616 | 3.57 ppm |
| 2019-12-03 | 651367 | 4.05 ppm |
| 2019-12-15 | 640588 | 7.68 ppm |
| 2019-12-15 | 640594 | 5.96 ppm |
| 2019-12-15 | 640596 | 4.11 ppm |
| 2019-12-15 | 640598 | 5.36 ppm |
| 2019-12-15 | 640603 | 1.51 ppm |
| 2019-12-15 | 640604 | 4.45 ppm |
| 2019-12-15 | 640605 | 3.70 ppm |
| 2019-12-15 | 640606 | 4.22 ppm |
| 2019-12-15 | 640612 | 3.89 ppm |
| 2019-12-16 | 640621 | 0.257 ppm |