The Sophisticated User Doctrine: Fair or Fowl
Introduction
Keith Wilson is a well trained ventilation and air conditioning (HVAC) technician. [1] Trained both on and off the job, Mr. Wilson had the highest certification available from the Environmental Protection Agency ("EPA"), a training that required passing a five-part examination. [2] His qualifications allowed him to purchase, braze, weld and replace parts on large commercial air conditioning systems. [3] These air conditioning systems use R-22, a hydrochloroflourocarbon refrigerant that can decompose into phosphane gas when exposed to heat, as is often the case when a technician brazes or welds an air conditioning system. [4] Exposure to phosphane gas and R-22 can cause numerous health problems which are detailed in Material Safety Data Sheets (MSDS's). [5] The California code requires employers to use the MSDS's to train their employees about the chemicals and dangers they can be exposed to on the job. [6] Mr. Wilson received a MSDS every time he purchased R-22 and he even read it on occasion. [7].
After years of being exposed to R-22, Mr. Wilson developed pulmonary fibrosis and sued the chemical manufacturers, suppliers and air conditioning unit manufacturers including the defendant, American Standard, Inc. [8] His contention was that the companies failed to adequately warn him of the dangers of being exposed to R-22. [9] The defendant moved for summary judgment claiming that it had no duty to warn to Mr. Wilson of the dangers of R-22 and as a professional HVAC technician, he should have known of the dangers of the chemical. [10] On appeal, the California Supreme Court agreed with the defendant reasoning that Mr. Wilson was a sophisticated user, one who knew or should have known of the dangers of being exposed to R-22, and as such, the manufacturer/distributor should and will be held blameless for exposing him to the chemical. [11]
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