Information on this NGL web site does not necessarily engage the responsibility of the NGL or any of the other groups or bodies associated with the web pages. Our goal is to keep this information timely and accurate. If errors are brought to our attention, we will try to correct them. However, the NGL accepts no responsibility or liability whatsoever with regard to the material on this site. This material is not necessarily comprehensive, complete, accurate or up to date. It is sometimes linked to external sites over which the NGL has no control and for which the NGL assumes no responsibility. It should not be considered as professional or legal advice (if you need specific advice, you should always consult a suitably qualified professional at NGL). It is our goal to minimize disruption caused by technical errors. However some data or information on our site may have been created or structured in files or formats which are not error-free, and we cannot guarantee that our service will not be interrupted or otherwise affected by such problems. The NGL accepts no responsibility with regard to such problems incurred as a result of using this site or any linked external sites. This disclaimer is not intended to contravene any requirements laid down in applicable national law nor to exclude liability for matters which may not be excluded under that law.
These web pages are prepared as an account of work sponsored by agencies of the United States Government (see the Acknowledgments for an overview). Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions or authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.