Question

Pesticides that are listed as 1.5 EC and 90 DF contain:

a. 1.5 lbs. per gallon and .9 lb. of active ingredient per pound of product
b. 1.5 gallons and 90 lbs of active ingredient
c. 1.5 pints and 9 quarts of active ingredients
d. 1.5 qts. and 90 ounces of active ingredient

Answer 1

Pesticides labeled as 1.5 EC and 90 DF contain 1.5 lbs of active ingredient per gallon and 0.9 lb of active ingredient per pound of product, respectively.

Step-by-step explanation:

The terms 1.5 EC and 90 DF on pesticide labels refer to the concentration and form of the pesticide. EC stands for emulsifiable concentrate, and the number before it indicates the pounds of active ingredient per gallon of product. In this case, 1.5 EC means there are 1.5 pounds of active ingredient per gallon of product. DF stands for dry flowable, and the number before it indicates the percentage of active ingredient by weight. So, 90 DF means that the product is 90 percent active ingredient by weight, which translates into 0.9 pounds of active ingredient per pound of product. Therefore, the correct answer is 'a. 1.5 lbs. per gallon and 0.9 lb. of active ingredient per pound of product.'