After a recent lawsuit, Re-Fresh Air Fresheners’ most popular aerosol spray was found to contain dangerous levels of p-dichlorobenzene, a toxic substance which irritates the lungs and mucous membranes and may cause cancer. The company decided to retool its aerosol spray formula and successfully removed all p- dichlorobenzene from its line of household sprays. Re-Fresh Air Fresheners’ aerosol sprays are now less toxic to consumers than ever before.
Which of the following, if true, most weakens the author’s conclusion?
A. The company’s most popular aerosol spray has always contained ammonia, which reacts with chlorinated products to produce deadly chloramine gas.
B. Some people who drink water containing p-dichlorobenzene for many years have become anemic.
C. P-dichlorobenzene has been used widely in Europe for many years as a room deodorizer with no complaints or significant lawsuits.
D. Aerosol propellants still used in some of the retooled formulas may be flammable and may cause nervous system damage if inhaled.
E. Re-Fresh Air Fresheners’ new formula for its most popular aerosol spray now contains trace amounts of petroleum distillates, which are flammable, and may cause fatal pulmonary edema in sensitive individuals.