Does anyone know of the proper, approved procedure for disposal of propylene glycol or glycerin in fire sprinkler systems? For example, if you need to re-charge an anti-freeze loop, how should the existing anti-freeze in the system be disposed? Thank you. _______________________________________________ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected]
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