Alachlor (Lasso)
New Design - Frederick County
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 6 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 4 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 2 ppb
The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-04-01 | 0100030_04_10797 | ND |
2014-04-01 | 0100030_01_10797 | ND |
2014-05-27 | 0100030_01_00517 | ND |
2014-06-04 | 0100030_05_00531 | ND |
2014-07-22 | 0100030_01_20194 | ND |
2014-07-22 | 0100030_04_20194 | ND |
2015-04-01 | E15003103001 | ND |
2015-04-07 | 2064235004 | ND |
2015-04-07 | 2064235003B | ND |
2015-08-04 | 2087747001 | ND |
2015-08-04 | 2087747002 | ND |
2016-04-27 | 2140220006_A | ND |
2016-04-27 | 2140220007_B | ND |
2016-06-06 | E16004612002 | ND |
2016-07-13 | 2160252002 | ND |
2016-07-13 | 2160252001 | ND |
2016-07-13 | E17000153002 | ND |
2017-04-05 | E17003936007 | ND |
2017-04-05 | 2221226004 | ND |
2017-04-05 | 2221226006_A | ND |
2017-04-05 | E17003936005 | ND |
2017-04-05 | 2221226005 | ND |
2017-06-02 | 2235255001 | ND |
2017-06-15 | E17004992001 | ND |
2017-07-10 | 2245173001 | ND |
2017-07-10 | 9245173002 | ND |
2018-04-12 | AP06861 | ND |
2018-04-12 | AP05202 | ND |
2018-04-12 | E18003684001 | ND |
2018-06-26 | E18004645001 | ND |
2018-08-13 | AP11481 | ND |
2018-08-13 | AP11482 | ND |
2019-04-11 | AQ05228 | ND |
2019-04-11 | AQ05230_A | ND |
2019-08-21 | AQ12830 | ND |
2019-09-05 | AQ12876 | ND |