API PUBL 302:1991

FOREWORD API publications necessarily address problems of a general nature. With respect to particular circumstances, local, state, and federal laws and regulations should be reviewed. API is not undertaking to meet the duties of employers, manufacturers, or suppliers to warn and properly train and equip their employees', and others exposed, concerning health and safety risks and precautions, nor undertaking their obligations under local, state, or federal laws. Nothing contained in any API publication is to be construed as granting any right, by implication or otherwise, for the manufacture, sale, or use of any method, apparatus, or product covered by letters patent. Neither should anything contained in the publication be construed as insuring anyone against liability for infringement of letters patent. API makes no recommendations regarding the course of conduct that should be followed, and the reader is in no way bound to the findings of this study. The reader should exercise independent judgment that suits individual needs and must negotiate independently with the suppliers of any technology. API makes no promises, claims, or recommendations; as to the site specific applicability, performance, or economics of any technology described herein. The reader is cautioned regarding the interpretation of any references to 'costs' or 'cost effectiveness' as these references may not be applicable to his/her specific application. This guideline may be used by anyone desiring to do so. Every effort has been made by the American Petroleum Institute to assure the accuracy and reliability of the material contained in it at the time in which it was written; however, the institute makes no representation, warranty, or guarantee in connection with the publication of this guideline and hereby expressly disclaims any liability or responsibility for loss or damage resulting from its use or for the violation of any federal, state or municipal regulation with which this guideline may conflict, nor does the institute undertake any duty to ensure its continued accuracy.