Fwd: last two bottles of 50:1 HF left.

Ed Myers edmyers at stanford.edu
Sat Jun 14 14:49:48 PDT 2008


The chemical pass-through has been replenished.  Please adhere to the 
posted frequency for changing the chemicals.

The 4:1 sulfuric/peroxide clean should be changed once every five days.
The 5:1:1 H2O:H2O2:HCl hot pot should be changed every four hours.
The 50:1 HF tank should be changed once/day.
The 6:1 BOE is changed once per month or on an as-needed basis.


>Subject: last two bottles of 50:1 HF left.

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