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To:<iwong@sicedh.com> <br /> Subject:Valimet, Inc. Lab Sink Info <br /> Jeff, <br /> Good afternoon. In response to your call and request from Wednesday, please see the attached photo <br /> and info below. Please let me know if you require additional info.Thank you and have a great weekend. <br /> Valimet Lab Sink Info <br /> We have 3 chemicals that are used in our lab, besides water.They are: <br /> - Nitric Acid <br /> - Hydrochloric Acid <br /> - Hydrofluoric Acid <br /> We use these chemicals in the following total, approximate amounts on a weekly basis (weekly totals): <br /> - Nitric Acid—17.5 ml <br /> - Hydrochloric Acid—17.5 ml <br /> - Hydrofluoric Acid - .5 ml <br /> That is not a typo, we use very little of these three chemicals each week.These are mixed with over <br /> 1200ml of water evenly, across approximately 6 uses.After use,we dump the entire mixture down the <br /> lab sink with more water from the tap.There is a huge amount of water compared to the chemicals <br /> used.The lab sink is 19 years old and this has been our procedure for as long as we have had a lab. I <br /> wasn't sure of this info myself until you asked for me to compile it. <br /> Again, if you have any questions, please let me know.Thank you very much and have a great weekend. <br /> Bill Johnson <br /> Vice President of Administration <br /> Valimet, Inc. <br /> 431 Sperry Road <br /> Stockton, Ca 95206 <br /> Office: (209) 444-1600 <br /> Direct: (209) 444-1617 <br /> Web: www.valimet.com <br /> V/ A L <br /> CONFIDENTIALITY NOTE: <br /> The information contained in this e-mail message and any attachments are legally privileged and confidential information intended <br /> only for the use of the individuals or entities named in the distribution area of this message. <br /> If the reader of the message is not the intended recipient,you are hereby notified that any dissemination,distribution or printing of <br /> this message is prohibited. If you have received this e-mail in error,please notify Valimet, Inc. immediately by returning the <br /> message to the sender. <br /> DISCLAIMER: <br /> This e-mail may contain information which is controlled as"Technical Data"under ITAR(22 CFR 120.10)and/or the EAR(Sec. <br /> 734.2)and may not be forwarded or disclosed to any Foreign Person, as defined at 22 CFR 120.16,without the prior written consent <br /> of Valimet, Inc.and the United States Department of State or the United States Department of Commerce. <br /> 2 <br />