Acid Waste Neutralization system OK!

John Shott shott at stanford.edu
Wed Dec 13 18:51:56 PST 2006


SNF Lab Members:

At a bit before 5 p.m. this evening, the yellow "Acid Neutralization 
Failure" lamps began flashing.
There was a temporary "Do Not Dump Acid" sign placed on the door at that 
point.

At this time (about 6:45 p.m.), we believe that the acid waste system is 
fully operational.  Tony Padilla got the call from work control and was 
back here before 5:30.  A little investigation showed that the "fine 
tune" pumps that inject sodium hydroxide into the system had lost their 
prime.

Some more work followed by some testing restored the prime to the pumps 
and verified that the system is functioning properly.

Accordingly, it is now OK to dump acids in the normal, safe manner.

Thank you for your continued support,

John




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