FOREWORD ANY SUMMARY OF LAWS AND REGULATIONS HEREIN IS PROVIDED FOR GENERAL INFORMATION AND Nor AS A BASIS FOR COMPLIANCE. LAWS AND REGULATIONS ARE OfTEN SUBJECT TO MORE THAN ONE INTERPRETATION. ALTERNATIVE INTERPRETATIONS MAY BE EQUALLY VALID. ANY QUESTIONS REGARDING INDIVIDUAL LAWS OR REGULATIONS SHOULD BE DIRECfED TO YOUR LEGAL OFFICE OR THE APPROPRIATE GOVERNMENT AGENCY. 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 Nor UNDERTAKING TO MEET THE DUTIES OF EMPLOYERS@ MANUFACTURERS@ OR SUPPLIERS TO WARN AND PROPERLY TRAIN AND EQUIP THEIR EMPLOYEES@ AND arHERS EXPOSED@ CONCERNING HEALTH AND SAFETY RISKS AND PRECAUTIONS@ NOR UNDERTAKING THEIR OBLIGATIONS UNDER LOCAL@ STATE@ OR FEDERAL LAWS. NOTHING CONTAINED IN ANY API PUBUCATION 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 UABILITY FOR INFRINGEMENT OF LETTERS PATENT. THIS PUBLICATION MAY BE USED BY ANYONE DESIRING TO DO SO. EVERY EFFORT HAS BEEN MADE BY THE AMERICAN PETROLEUM INSTITUTE TO ASSURE THE ACCURACY AND REUABILITY 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 THIS PUBLICATION 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 PUBLICATION MAY CONFLICT.