TechNetters, for about 1 month, we have been using a new saponfier in our automated cleaner.  Composition is uncertain, the Material Safety Data sheet says it is less than 60% diethylene glycol butyl ether and less than 35% monoethanolamine.  The old saponifier was 24.8% "glycol ether category" and less than 40% monothanolamine, with some amount of tetrahydrofurfuryl alcohol.  Approximately 8 people (of perhaps 16 in the work area) have experienced a sore throat and irritation with the new material.  Can anyone comment?  I wonder if this glycol ether is something especially troublesome.  Many thanks...Lou Hart

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