Recent Blog Posts

Ammonia Week in Review | July 10, 2015

July 10th, 2015

Ammonia has roller derby enthusiasts on the run in this week’s edition of the Ammonia Week in Review….. Ammonia Leak at Rich Products Forces Evacuations in Fort Erie – During those searches and their response, they say two people were injured and one person died of wounds related to the spill. […keep reading] Smell of Ammonia Causes Evacuation of Cody […]

1982 Uniform Mechanical Code and “Adjoining Ground Level”

July 7th, 2015

Anyone who operates an “older” ammonia refrigeration system in California should be familiar with the requirements of the 1982 Uniform Mechanical Code. Cal/OSHA regulation Title 8 CCR §3248(a) requires the following: “Mechanical refrigeration systems placed in service before March 13, 1999, shall be designed, installed, tested, and maintained in accordance with Chapters 4, 15, and 16 […]

Ammonia Week in Review | July 3, 2015

July 3rd, 2015

Firestorm threatens Ammonia in this week’s edition of the Ammonia Week in Review….. Ammonia Warning Lifted in Wenatchee – Officials in Wenatchee say ammonia that was leaking from a fruit-packing plant that burned has dissipated and people nearby no longer need to shelter in place. […keep reading] Large Ammonia Leak at Meat Works – Firefighters are at the scene of […]

Ammonia Week in Review | June 26, 2015

June 26th, 2015

Ammonia is falsely accused in this week’s edition of the Ammonia Week in Review….. No Chemical Leak Found After 37 Selah Plant Employees Sent to Hospital – An employee leaving the plant Tuesday morning said there had been an ammonia leak. But Martinez said there was no ammonia in the building where cherries were being packed. Ammonia is commonly […]

Ventilation System Dampers

June 23rd, 2015

I recently interacted with IIAR (International Institute of Ammonia Refrigeration) on the issue of ventilation system dampers. My original question, along with the response from IIAR is included below: Question: ANSI/IIAR 2 Addendum B §13.3.3.4 requires that “If motorized dampers are utilized they shall be of the power to close and spring to open type.” […]