Which statement is true about emulsifiable concentrates (EC)?

Which statement is true about emulsifiable concentrates (EC)?

• A. They require no calibration and are always accurate
• B. High concentrations of active ingredients can lead to over or under-application due to mixing or calibration errors
• C. They do not have to be stored away from heat
• D. They never cause skin irritation

Answer: (B)

Emulsifiable concentrates are concentrated liquid formulations that must be diluted with water according to the label. Because the active ingredient is in a concentrated form, the actual amount applied depends on precise measuring of the concentrate and correct sprayer calibration to achieve the label’s dilution and rate. If the concentration is high or any mixing or calibration steps are off, you can easily apply more or less active ingredient than intended, leading to over- or under-application. That’s why this statement is true. Remember to follow label directions for mixing, keep EC stored away from heat, and be aware that many can irritate skin, so proper handling is essential.

Emulsifiable concentrates are concentrated liquid formulations that must be diluted with water according to the label. Because the active ingredient is in a concentrated form, the actual amount applied depends on precise measuring of the concentrate and correct sprayer calibration to achieve the label’s dilution and rate. If the concentration is high or any mixing or calibration steps are off, you can easily apply more or less active ingredient than intended, leading to over- or under-application. That’s why this statement is true. Remember to follow label directions for mixing, keep EC stored away from heat, and be aware that many can irritate skin, so proper handling is essential.