2020 RETA Breeze May-Jun

Where is my NH3 Going? M ost Nuisance Odors in our refrigeration process can be detected by smells reported to the process techs or managers by employees. Even the most seasoned “been working around this stuff for 50 years” folks can normally smell it at or before the NIOSH Short Term Exposure Limit (STEL) of 35 ppm. However, some of our employees may not have smelled ammonia before and can’t identify the odor of NH3, but may report that something “smelled bad and made their eyes water and cough”. We need to be aware of this, and investigate these as well.

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