Neutralizer Down

Dick Crane rcrane at snf.stanford.edu
Wed Feb 7 08:17:57 PST 2001


The acid waste neutralizer system will be down from 0800 to 1200 this
morning. Please contact any of the fab maintenance crew before dumping
any hot pot or other acid source to drain. We will operate the
neutralizer manually. The wet benches may be operated normally as to
quickdump rinsers, HF pots, and SRDs.

An outside contractor has installed a new NaOH delivery line and is
completing the final hookup. This change will eliminate the problems
between the LN2/gasous N2 line and the NaOH line which caused the
neutralizer shutdown last month. 

Thanks for your help,

Dick Crane



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