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Gariepy v. Shell Oil Co. - Classaction.ca

Gariepy v. Shell Oil Co. - Classaction.ca

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fail. However, even assuming that a single answer <strong>ca</strong>n be arrived at, or that it is possible to providea "nuanced" answer to the scientific question, a possibility suggested (albeit in a much differentcontext) by Chief Justice McLachlin in Rumley v. British <strong>Co</strong>lumbia (2001), 205 D.L.R. (4th) 39(S.C.C.) at para. 32, it will still leave a great deal of work to be done. Even if the products areinherently defective in all situations, there is still the need to prove that any failure is directly relatedto the product as opposed to issues of manufacture, design or installation, that any failure isunrelated to poor maintenance or misuse or other error and a host of other considerations including,in the <strong>ca</strong>se of <strong>Shell</strong>, whether installations occurred despite the outstanding warnings as to the useof PB. The matter is more compli<strong>ca</strong>ted if the scientific issue allows of different answers dependingon lo<strong>ca</strong>l water conditions, levels of chlorine, etc. In that eventuality, there are further matters thatmust be individually assessed. In either scenario, the final determination of <strong>ca</strong>usation in this <strong>ca</strong>sebecomes very much an individual issue with respect to each and every plumbing system. Theanswers to the common issues, consequently, do not constitute an element that will be conclusiveof liability for any given member of the class. Individual members of the class may experiencefailures with respect to their plumbing systems that are unrelated to any defect in the defendants'products. In other words, success by the representative plaintiffs on the scientific question does notequate to success for all members of the class - see Western Canadian Shopping Centres Inc. v.Dutton, supra, at para. 40. 66 <strong>Co</strong>nsiderable reliance was placed by the defendants on the fact that certifi<strong>ca</strong>tion has frequentlybeen denied for such claims in the United States. I believe that the assistance one <strong>ca</strong>n gain from U.S.decisions on certifi<strong>ca</strong>tion in determining whether certifi<strong>ca</strong>tion should be granted under our Act islimited, given the very much different tests involved and also the fact that state laws on productliability <strong>ca</strong>n vary greatly. Having said that, there are still some common elements between theprocedures such that analyses undertaken by judges in the United States, as with similar analysesundertaken by judges in other Provinces, <strong>ca</strong>n nonetheless provide some guidance on the subject. Itappears that this concern about a wide variety of possible <strong>ca</strong>uses for a leak in any given plumbingsystem has been the major stumbling block for plaintiffs trying to obtain certifi<strong>ca</strong>tion of such classactions in the United States. By way of example, in Northland Ins. <strong>Co</strong>. v. <strong>Shell</strong> <strong>Oil</strong> <strong>Co</strong>., (unreported,D.N.J. April 3, 2000) the court held:"[T]here is no single, universal `polybutylene plumbing system'. Rather ... the termis used to describe a number of different plastic plumbing systems of differentdesigns, manufactured by different companies with different components at differenttimes, and installed by different persons using different instructions. Furthermore,plaintiffs' ... claims do not arise from a single occurrence, but instead arise fromperhaps hundreds of thousands of separate and distinct problems occurring over aperiod of years ... Causation shall also require individual proofs. Further, numerousindividual defences must be adjudi<strong>ca</strong>ted as to each ... claim, e.g. comparative orcontributory negligence, or misuse." 67 In the end result, therefore, while the determination of whether the defendants' resins areinherently defective might answer a scientific question of interest, it does not assist greatly inanswering the question that is of primary interest to this court, which is the question of liability.Given the presence of different manufacturers, different designs, different installations, interveningevents including improper maintenance or improper repair, varying water conditions includingvarying or no chlorine levels, varying mineral contents, varying water temperatures and varying

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