Know Your Environment. Protect Your Health.

cis-1,2-Dichloroethylene

Eielson - Air Force Base

1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND50ND
20200.188 ppb61ND - 1.13 ppb
20210.167 ppb61ND - 1.000 ppb
20220.148 ppb61ND - 0.890 ppb
20230.123 ppb61ND - 0.740 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-05VO*1189052001ND
2019-01-221199022001ND
2019-01-221199022002ND
2019-01-221199022004ND
2019-01-221199022005ND
2019-01-221199022003ND
2020-02-041209040005ND
2020-02-041209040002ND
2020-02-041209040001ND
2020-02-0412090400031.13 ppb
2020-02-041209040006ND
2020-02-041209040004ND
2021-02-014827993ND
2021-02-014827984ND
2021-02-0148279881.000 ppb
2021-02-014827989ND
2021-02-014827987ND
2021-02-014827990ND
2022-02-091220584012ND
2022-02-091220584010ND
2022-02-0912205840050.890 ppb
2022-02-091220584006ND
2022-02-091220584008ND
2022-02-091220584004ND
2023-07-17810-70364-B-5ND
2023-07-17810-70364-A-2ND
2023-07-17810-70364-B-60.740 ppb
2023-07-17810-70364-B-4ND
2023-07-17810-70364-A-1ND
2023-07-17810-70364-A-3ND