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EWG's Tap Water Database — 2021 UPDATE

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Trichloroethylene

El Monte Water Department

Trichloroethylene, an industrial solvent and common groundwater pollutant, damages the immune system, harms the developing fetus and causes cancer. Read More.

Trichloroethylene was once commonly used to remove grease from metal parts, such as steel pipes and engines, and as a solvent in dry cleaning and carpet cleaning products. Drinking trichloroethylene-contaminated drinking water has been linked with birth defects, leukemia, and liver and kidney damage. Trichloroethylene is highly volatile and can enter indoor air through water in pipes. If trichloroethylene is present, people can inhale it while bathing, washing dishes and doing other household activities that involve water.

Click here to read more about carcinogenic VOCs.

 

586

Samples

106

Samples exceeding legal limit (MCL)

193

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.781 ppb3111ND - 4.60 ppb
20151.08 ppb3310ND - 6.70 ppb
20161.60 ppb3411ND - 15.0 ppb
20171.62 ppb4515ND - 11.0 ppb
20182.11 ppb4316ND - 10.00 ppb
20193.47 ppb400130ND - 25.0 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.4 ppb

The EWG Health Guideline of 0.4 ppb for trichloroethylene was defined by the state of Minnesota as health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the developing fetus and damage to the immune system.

EPA Maximum Contaminant
Level (MCL) 5 ppb

The legal limit for trichloroethylene, established in 1987, was based on analytical detection limits at the time that the standard was set. This limit does not fully protect against the risk of cancer and harm to the developing fetus.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-074792-006-1055ND
2014-01-074792-022-1140ND
2014-01-289588-006-1035ND
2014-01-289588-009-10151.30 ppb
2014-02-054792-006-1025ND
2014-02-054792-022-1100ND
2014-03-044792-006-1120ND
2014-03-044792-009-11501.50 ppb
2014-04-014792-006-1130ND
2014-04-014792-022-0805ND
2014-04-249588-006-10050.650 ppb
2014-04-249588-009-09402.20 ppb
2014-05-064792-006-1130ND
2014-05-064792-022-1300ND
2014-06-034792-006-1105ND
2014-06-034792-009-13252.00 ppb
2014-06-034792-022-1205ND
2014-07-014792-006-0955ND
2014-07-014792-022-1045ND
2014-07-289588-006-1110ND
2014-07-289588-009-10303.10 ppb
2014-08-054792-006-1125ND
2014-08-054792-022-1205ND
2014-09-024792-006-13400.510 ppb
2014-09-024792-009-12104.40 ppb
2014-09-024792-022-1255ND
2014-10-074792-006-1115ND
2014-10-289588-006-1030ND
2014-10-289588-009-09403.40 ppb
2014-12-024792-006-13450.540 ppb
2014-12-024792-009-14154.60 ppb
2015-01-064792-006-1035ND
2015-01-064792-022-1155ND
2015-01-139588-006-1015ND
2015-01-139588-009-10006.70 ppb
2015-01-164792-009-11152.30 ppb
2015-02-034792-006-1050ND
2015-02-034792-022-1130ND
2015-02-174792-009-11152.30 ppb
2015-03-034792-006-1005ND
2015-03-034792-009-11553.70 ppb
2015-03-034792-022-1100ND
2015-04-074792-006-1110ND
2015-04-074792-009-12202.90 ppb
2015-04-074792-022-1155ND
2015-04-289588-006-1110ND
2015-04-289588-009-10253.40 ppb
2015-05-054792-006-1000ND
2015-05-054792-022-0810ND
2015-06-034792-006-1140ND
2015-06-034792-009-08302.50 ppb
2015-06-034792-022-1235ND
2015-07-074792-006-0940ND
2015-07-074792-022-1020ND
2015-08-064792-006-0940ND
2015-08-064792-009-11104.30 ppb
2015-08-064792-022-1030ND
2015-09-014792-006-1255ND
2015-09-014792-009-11053.90 ppb
2015-09-014792-022-1345ND
2015-10-064792-006-0955ND
2015-10-064792-022-1030ND
2015-10-299588-006-1035ND
2015-10-299588-009-10003.80 ppb
2016-01-119588-006-1045ND
2016-01-119588-009-095510.00 ppb
2016-02-024792-006-0910ND
2016-02-024792-022-0935ND
2016-04-054792-006-0910ND
2016-04-054792-022-0945ND
2016-04-289588-006-1410ND
2016-04-289588-009-133515.0 ppb
2016-05-034792-006-1020ND
2016-05-034792-022-1055ND
2016-05-174792-009-09554.60 ppb
2016-06-074792-006-0910ND
2016-06-074792-009-10501.50 ppb
2016-06-074792-022-0935ND
2016-07-054792-006-0900ND
2016-07-054792-009-12053.50 ppb
2016-07-054792-022-1030ND
2016-07-079588-006-1055ND
2016-07-079588-009-09505.10 ppb
2016-08-024792-006-1015ND
2016-08-024792-009-13104.00 ppb
2016-08-024792-022-1150ND
2016-09-064792-006-1000ND
2016-09-064792-009-07504.10 ppb
2016-09-064792-022-0910ND
2016-10-044792-006-1005ND
2016-10-044792-022-0815ND
2016-11-014792-006-1010ND
2016-11-014792-009-07352.00 ppb
2016-11-014792-022-0830ND
2016-11-239588-006-1025ND
2016-11-239588-009-09552.50 ppb
2016-12-084792-006-0748ND
2016-12-084792-009-07282.00 ppb
2017-01-034792-006-0936ND
2017-01-034792-009-10453.90 ppb
2017-01-034792-022-1015ND
2017-01-309588-006-1350ND
2017-01-309588-009-13204.20 ppb
2017-02-074792-006-1010ND
2017-02-074792-009-10457.90 ppb
2017-04-044792-006-1055ND
2017-04-044792-022-0835ND
2017-04-279588-006-1435ND
2017-04-279588-009-13503.50 ppb
2017-05-034792-006-1025ND
2017-05-034792-009-08452.10 ppb
2017-05-034792-022-1015ND
2017-06-064792-006-0930ND
2017-06-064792-009-07002.40 ppb
2017-06-064792-022-0855ND
2017-07-054792-006-0825ND
2017-07-054792-009-08452.20 ppb
2017-07-054792-022-0755ND
2017-08-014792-006-1245ND
2017-08-014792-009-11553.60 ppb
2017-08-014792-022-0900ND
2017-08-039588-006-1035ND
2017-08-039588-009-09454.60 ppb
2017-09-054792-006-0925ND
2017-09-054792-009-10557.80 ppb
2017-09-054792-022-1015ND
2017-09-274792-022-1035ND
2017-10-044792-006-0945ND
2017-10-044792-009-10104.90 ppb
2017-10-044792-022-0835ND
2017-10-129588-006-1005ND
2017-10-129588-009-100511.0 ppb
2017-10-184792-009-13155.80 ppb
2017-10-184792-022-1400ND
2017-10-204792-022-1320ND
2017-10-244792-022-1030ND
2017-10-314792-022-0950ND
2017-11-074792-006-0920ND
2017-11-074792-009-09304.90 ppb
2017-11-084792-022-0955ND
2017-12-064792-006-0815ND
2017-12-064792-009-08454.30 ppb
2017-12-064792-022-0725ND
2018-01-034792-006-0945ND
2018-01-034792-009-10054.00 ppb
2018-01-034792-022-0915ND
2018-01-259588-006-1130ND
2018-01-259588-009-10154.90 ppb
2018-02-064792-006-0915ND
2018-02-064792-009-11055.40 ppb
2018-02-064792-022-0945ND
2018-03-064792-006-0945ND
2018-03-064792-009-06555.10 ppb
2018-03-064792-022-0910ND
2018-04-034792-006-1030ND
2018-04-034792-009-10103.50 ppb
2018-04-034792-022-0855ND
2018-04-129588-006-1040ND
2018-04-129588-009-09455.40 ppb
2018-05-014792-006-1155ND
2018-05-014792-009-07254.40 ppb
2018-05-014792-022-1015ND
2018-06-054792-006-0920ND
2018-06-054792-009-06454.30 ppb
2018-06-054792-022-0850ND
2018-07-034792-006-0920ND
2018-07-034792-009-07153.50 ppb
2018-07-034792-022-0900ND
2018-07-259588-006-1405ND
2018-07-259588-009-13007.20 ppb
2018-08-074792-006-0825ND
2018-08-074792-009-10306.00 ppb
2018-08-074792-022-0915ND
2018-09-054792-006-1110ND
2018-09-054792-009-07157.60 ppb
2018-09-054792-022-1025ND
2018-10-024792-006-1125ND
2018-10-024792-009-07005.70 ppb
2018-10-024792-022-0915ND
2018-10-319588-006-1110ND
2018-10-319588-009-100510.00 ppb
2018-11-064792-006-1150ND
2018-11-064792-009-12308.20 ppb
2018-11-064792-022-1105ND
2018-12-044792-006-1040ND
2018-12-044792-009-08005.40 ppb
2019-01-024792-006-1035ND
2019-01-024792-009-08055.00 ppb
2019-01-024792-022-1215ND
2019-01-319588-006-1050ND
2019-01-319588-009-09306.30 ppb
2019-02-064792-006-0910ND
2019-02-064792-009-07503.90 ppb
2019-02-124792-043-093510.00 ppb
2019-02-124792-044-09006.30 ppb
2019-02-124792-045-092022.0 ppb
2019-02-124792-046-101018.0 ppb
2019-02-124792-051-1015ND
2019-02-124792-052-1020ND
2019-02-194792-046-072513.0 ppb
2019-02-194792-051-0730ND
2019-02-194792-052-0735ND
2019-02-264792-046-101016.0 ppb
2019-02-264792-051-1015ND
2019-02-264792-052-1020ND
2019-03-054792-006-1005ND
2019-03-054792-009-09353.90 ppb
2019-03-054792-022-1210ND
2019-03-084792-043-115011.0 ppb
2019-03-084792-044-10507.00 ppb
2019-03-084792-045-111523.0 ppb
2019-03-084792-046-093017.0 ppb
2019-03-084792-047-0935ND
2019-03-084792-050-0940ND
2019-03-084792-051-0945ND
2019-03-084792-052-0950ND
2019-03-124792-046-110016.0 ppb
2019-03-124792-051-1105ND
2019-03-124792-052-1110ND
2019-03-194792-035-1030ND
2019-03-194792-036-1035ND
2019-03-194792-046-104516.0 ppb
2019-03-194792-051-1050ND
2019-03-194792-052-1055ND
2019-03-274792-035-0740ND
2019-03-274792-036-0745ND
2019-03-274792-046-084516.0 ppb
2019-03-274792-051-0850ND
2019-03-274792-052-0855ND
2019-04-024792-006-0940ND
2019-04-024792-009-07154.50 ppb
2019-04-024792-022-0905ND
2019-04-024792-035-1005ND
2019-04-024792-036-1015ND
2019-04-024792-039-1010ND
2019-04-024792-040-1020ND
2019-04-024792-041-1025ND
2019-04-024792-043-11509.20 ppb
2019-04-024792-044-11256.90 ppb
2019-04-024792-045-114025.0 ppb
2019-04-024792-046-105017.0 ppb
2019-04-024792-047-1055ND
2019-04-024792-051-1100ND
2019-04-024792-052-1105ND
2019-04-094792-035-0945ND
2019-04-094792-036-0950ND
2019-04-094792-046-084013.0 ppb
2019-04-094792-051-0845ND
2019-04-094792-052-0850ND
2019-04-164792-035-0850ND
2019-04-164792-036-0855ND
2019-04-174792-046-082017.0 ppb
2019-04-174792-051-0825ND
2019-04-174792-052-0830ND
2019-04-234792-035-0940ND
2019-04-234792-036-0945ND
2019-04-234792-046-075016.0 ppb
2019-04-234792-051-0755ND
2019-04-234792-052-0000ND
2019-04-259588-006-1325ND
2019-04-254792-052-0815ND
2019-04-304792-035-0800ND
2019-04-304792-036-0805ND
2019-04-304792-046-090015.0 ppb
2019-04-304792-051-0905ND
2019-04-304792-052-0910ND
2019-05-084792-006-1025ND
2019-05-084792-009-08503.10 ppb
2019-05-084792-022-0000ND
2019-05-084792-035-0825ND
2019-05-084792-036-0835ND
2019-05-084792-039-0830ND
2019-05-084792-040-0840ND
2019-05-084792-041-0840ND
2019-05-084792-043-112010.00 ppb
2019-05-084792-044-10506.50 ppb
2019-05-084792-045-110520.0 ppb
2019-05-084792-046-114515.0 ppb
2019-05-084792-047-11501.30 ppb
2019-05-084792-051-1155ND
2019-05-084792-052-1200ND
2019-05-154792-035-0915ND
2019-05-154792-036-0920ND
2019-05-154792-046-102015.0 ppb
2019-05-154792-051-10250.540 ppb
2019-05-154792-052-1030ND
2019-05-214792-035-0915ND
2019-05-214792-036-0920ND
2019-05-214792-046-101515.0 ppb
2019-05-214792-051-10200.670 ppb
2019-05-214792-052-1025ND
2019-05-289588-043-131012.0 ppb
2019-05-289588-044-12407.90 ppb
2019-05-289588-045-125523.0 ppb
2019-05-294792-035-1030ND
2019-05-294792-036-1035ND
2019-05-294792-046-105516.0 ppb
2019-05-294792-051-10501.10 ppb
2019-05-294792-052-1045ND
2019-05-314792-048-0610ND
2019-05-314792-049-0615ND
2019-05-314792-051-06201.10 ppb
2019-06-054792-006-1035ND
2019-06-054792-009-07352.40 ppb
2019-06-054792-022-0945ND
2019-06-054792-035-1110ND
2019-06-054792-036-1120ND
2019-06-054792-039-1115ND
2019-06-054792-040-1125ND
2019-06-054792-041-1130ND
2019-06-054792-043-14259.50 ppb
2019-06-054792-044-13406.00 ppb
2019-06-054792-045-140522.0 ppb
2019-06-054792-046-145516.0 ppb
2019-06-054792-047-15004.30 ppb
2019-06-054792-050-1505ND
2019-06-054792-051-15101.000 ppb
2019-06-054792-052-1515ND
2019-06-069588-009-13153.10 ppb
2019-06-114792-035-1000ND
2019-06-114792-036-1005ND
2019-06-114792-046-080517.0 ppb
2019-06-114792-050-0810ND
2019-06-114792-051-08151.60 ppb
2019-06-114792-052-0820ND
2019-06-184792-035-1000ND
2019-06-184792-036-1005ND
2019-06-184792-046-110014.0 ppb
2019-06-184792-049-1105ND
2019-06-184792-050-1110ND
2019-06-184792-051-11151.60 ppb
2019-06-184792-052-1120ND
2019-06-254792-035-0940ND
2019-06-254792-036-0945ND
2019-06-254792-046-112017.0 ppb
2019-06-254792-049-1125ND
2019-06-254792-050-1130ND
2019-06-254792-051-11352.10 ppb
2019-06-254792-052-1140ND
2019-07-034792-006-0905ND
2019-07-034792-009-07053.30 ppb
2019-07-034792-022-0835ND
2019-07-034792-035-1100ND
2019-07-034792-036-1110ND
2019-07-034792-039-1105ND
2019-07-034792-040-1115ND
2019-07-034792-041-1120ND
2019-07-034792-043-112512.0 ppb
2019-07-034792-044-10507.50 ppb
2019-07-034792-045-110522.0 ppb
2019-07-034792-046-095016.0 ppb
2019-07-034792-049-0955ND
2019-07-034792-050-1000ND
2019-07-034792-051-10052.40 ppb
2019-07-034792-052-1010ND
2019-07-094792-035-1015ND
2019-07-094792-036-1020ND
2019-07-094792-046-104512.0 ppb
2019-07-094792-047-1050ND
2019-07-094792-050-1055ND
2019-07-094792-051-10402.90 ppb
2019-07-094792-052-1035ND
2019-07-164792-035-1015ND
2019-07-164792-036-1020ND
2019-07-164792-046-104519.0 ppb
2019-07-164792-049-1050ND
2019-07-164792-050-1055ND
2019-07-164792-051-1100ND
2019-07-164792-052-1105ND
2019-07-244792-035-1045ND
2019-07-244792-036-1050ND
2019-07-244792-046-105513.0 ppb
2019-07-244792-049-1100ND
2019-07-244792-050-1105ND
2019-07-244792-051-1110ND
2019-07-244792-052-1115ND
2019-07-259588-006-1530ND
2019-07-259588-009-14304.10 ppb
2019-07-304792-035-1025ND
2019-07-304792-036-1030ND
2019-07-304792-046-103520.0 ppb
2019-07-304792-049-1040ND
2019-07-304792-050-1045ND
2019-07-304792-051-1050ND
2019-07-304792-052-1055ND
2019-08-024792-047-0740ND
2019-08-024792-048-0745ND
2019-08-024792-049-0750ND
2019-08-064792-006-0935ND
2019-08-064792-009-07003.30 ppb
2019-08-064792-022-0845ND
2019-08-064792-035-0935ND
2019-08-064792-036-0950ND
2019-08-064792-039-0945ND
2019-08-064792-040-0955ND
2019-08-064792-041-1000ND
2019-08-064792-043-114011.0 ppb
2019-08-064792-044-11057.70 ppb
2019-08-064792-045-112525.0 ppb
2019-08-064792-046-102518.0 ppb
2019-08-064792-047-1030ND
2019-08-064792-051-1035ND
2019-08-064792-052-2240ND
2019-08-134792-035-0900ND
2019-08-134792-036-0905ND
2019-08-134792-046-100510.00 ppb
2019-08-134792-051-1010ND
2019-08-134792-052-1015ND
2019-08-204792-035-0930ND
2019-08-204792-036-0925ND
2019-08-204792-046-103017.0 ppb
2019-08-204792-051-1035ND
2019-08-204792-052-1040ND
2019-08-274792-035-1000ND
2019-08-274792-036-1005ND
2019-08-274792-046-105518.0 ppb
2019-08-274792-051-1100ND
2019-08-274792-052-1105ND
2019-09-034792-006-0945ND
2019-09-034792-009-07402.50 ppb
2019-09-034792-022-1050ND
2019-09-034792-035-1220ND
2019-09-034792-036-1230ND
2019-09-034792-039-1225ND
2019-09-034792-040-1235ND
2019-09-034792-041-1240ND
2019-09-034792-043-130511.0 ppb
2019-09-034792-044-12155.80 ppb
2019-09-034792-046-112014.0 ppb
2019-09-034792-047-11250.670 ppb
2019-09-034792-051-1130ND
2019-09-034792-052-1135ND
2019-09-104792-035-1005ND
2019-09-104792-036-1010ND
2019-09-104792-046-110018.0 ppb
2019-09-104792-051-11050.650 ppb
2019-09-104792-052-1110ND
2019-09-184792-035-1045ND
2019-09-184792-036-1050ND
2019-09-184792-046-110018.0 ppb
2019-09-184792-047-11052.50 ppb
2019-09-184792-050-1110ND
2019-09-184792-051-11151.30 ppb
2019-09-184792-052-1120ND
2019-09-244792-035-1100ND
2019-09-244792-036-1055ND
2019-09-244792-046-111518.0 ppb
2019-09-244792-047-11203.10 ppb
2019-09-244792-048-1125ND
2019-09-244792-049-1130ND
2019-09-244792-050-1135ND
2019-09-244792-051-11401.30 ppb
2019-09-244792-052-1145ND
2019-09-304792-046-084018.0 ppb
2019-09-304792-047-08454.20 ppb
2019-09-304792-048-0850ND
2019-09-304792-049-0855ND
2019-09-304792-051-09051.60 ppb
2019-10-014792-006-0920ND
2019-10-014792-009-07251.000 ppb
2019-10-014792-022-0945ND
2019-10-014792-035-1005ND
2019-10-014792-036-1015ND
2019-10-014792-039-1010ND
2019-10-014792-040-1020ND
2019-10-014792-041-1025ND
2019-10-014792-043-112010.00 ppb
2019-10-014792-044-10506.30 ppb
2019-10-014792-045-110518.0 ppb
2019-10-014792-046-092017.0 ppb
2019-10-014792-047-09254.20 ppb
2019-10-014792-048-0930ND
2019-10-014792-049-0935ND
2019-10-014792-050-0940ND
2019-10-014792-051-09504.10 ppb
2019-10-014792-052-0955ND
2019-10-074792-046-102517.0 ppb
2019-10-074792-047-10304.20 ppb
2019-10-074792-048-1035ND
2019-10-074792-049-1040ND
2019-10-074792-050-1045ND
2019-10-074792-051-10503.80 ppb
2019-10-074792-052-1055ND
2019-10-094792-035-0910ND
2019-10-094792-036-0915ND
2019-10-104792-046-105516.0 ppb
2019-10-104792-047-11004.90 ppb
2019-10-104792-048-1105ND
2019-10-104792-049-1110ND
2019-10-104792-050-1115ND
2019-10-104792-051-11204.30 ppb
2019-10-104792-052-1125ND
2019-10-154792-035-0820ND
2019-10-154792-036-0825ND
2019-10-154792-046-103516.0 ppb
2019-10-154792-047-10405.20 ppb
2019-10-154792-048-1055ND
2019-10-154792-049-1100ND
2019-10-154792-050-1025ND
2019-10-154792-051-10204.70 ppb
2019-10-154792-052-1045ND
2019-10-224792-035-0900ND
2019-10-224792-036-0905ND
2019-10-224792-046-093516.0 ppb
2019-10-224792-047-09405.80 ppb
2019-10-224792-048-0945ND
2019-10-224792-049-0950ND
2019-10-224792-050-0955ND
2019-10-224792-051-10005.20 ppb
2019-10-224792-052-1005ND
2019-10-294792-035-1040ND
2019-10-294792-036-1045ND
2019-10-309588-006-1425ND
2019-10-309588-009-13351.30 ppb
2019-10-304792-046-102015.0 ppb
2019-10-304792-047-1025ND
2019-10-304792-048-1030ND
2019-10-304792-049-1035ND
2019-10-304792-050-1040ND
2019-10-304792-051-1045ND
2019-10-304792-052-1050ND
2019-11-054792-006-1100ND
2019-11-054792-009-07201.30 ppb
2019-11-054792-022-0945ND
2019-11-054792-035-1015ND
2019-11-054792-036-1025ND
2019-11-054792-039-1020ND
2019-11-054792-040-1030ND
2019-11-054792-041-1035ND
2019-11-054792-043-10509.40 ppb
2019-11-054792-044-10256.90 ppb
2019-11-054792-045-104024.0 ppb
2019-11-054792-046-094017.0 ppb
2019-11-054792-047-0945ND
2019-11-054792-051-0950ND
2019-11-054792-052-0955ND
2019-11-124792-035-1015ND
2019-11-124792-036-1020ND
2019-11-124792-046-104516.0 ppb
2019-11-124792-051-1050ND
2019-11-124792-052-1055ND
2019-11-214792-035-0750ND
2019-11-214792-036-0755ND
2019-11-214792-046-080518.0 ppb
2019-11-214792-051-0810ND
2019-11-214792-052-0815ND
2019-11-264792-035-0955ND
2019-11-264792-036-1000ND
2019-11-264792-046-103516.0 ppb
2019-11-264792-051-1040ND
2019-11-264792-052-1045ND
2019-12-034792-006-0725ND
2019-12-034792-009-08000.720 ppb
2019-12-034792-022-1010ND
2019-12-034792-035-1035ND
2019-12-034792-036-1045ND
2019-12-034792-039-1040ND
2019-12-034792-040-1050ND
2019-12-034792-041-1055ND
2019-12-054792-043-08159.50 ppb
2019-12-054792-044-07306.40 ppb
2019-12-054792-045-075025.0 ppb
2019-12-054792-046-084017.0 ppb
2019-12-054792-047-0845ND
2019-12-054792-051-0850ND
2019-12-054792-052-0855ND
2019-12-104792-035-1015ND
2019-12-104792-036-1020ND
2019-12-104792-046-103019.0 ppb
2019-12-104792-051-1045ND
2019-12-104792-052-1035ND
2019-12-174792-035-1010ND
2019-12-174792-036-1015ND
2019-12-174792-046-102020.0 ppb
2019-12-174792-051-1025ND
2019-12-174792-052-1030ND
2019-12-234792-035-0820ND
2019-12-234792-036-0825ND
2019-12-234792-046-102021.0 ppb
2019-12-234792-051-1025ND
2019-12-234792-052-1030ND
2019-12-304792-035-0825ND
2019-12-304792-036-0830ND
2019-12-304792-046-082015.0 ppb
2019-12-304792-051-0825ND
2019-12-304792-052-0835ND