Chemical Process Safety (PSM/RMP)

300# NH3 release from ruptured cylinder during start-up of a refinery alkylation unit

An ammonia cylinder burst late Monday while being heated as part of preparations to restart the alkylation unit at a 86,000 barrel-per-day refinery, sources familiar with plant operations said on Tuesday.  A company spokesman said the company responded to an incident at the refinery, in which there were neither injuries nor offsite impact. The refinery was […]

Using CAMEO Tools for RMP and EPCRA Off-Site Consequence Analyses

This week NOAA’s Office of Response and Restoration posted an AWESOME RESOURCE for those of you responsible for your RMP’s Off-Site Consequence Analyzes (OCA) and EPCRA hazard analyses and who like to use CAMEO software suite when doing these off-site consequence analyses.   Part 1: Worst-Case Analysis (RMP) Part 2: Alternative Analysis (RMP) Part 3: ALOHA and Green Book

What your piping contractor should provide you for your PSM/RMP piping installation(s)

Over the last 15+ years we have seen great improvements regarding piping installation(s) at PSM/RMP covered processes.  Since 1992 (PSM implementation) these “covered processes” were required to adopt a RAGAGEP for all aspects of their covered process.  ASME has had their B31 series in place for decades and they are the most widely recognized piping

Ohio upgrades Hot Work requirements when performing Hot work on flammable and combustible liquid storage tanks

The state of OH is in the process of updating it’s fire code to the 2015 International Fire Code (IFC).  In doing so, the state is upgrading its Hot Work requirements when performing hot work on flammable and combustible liquid storage tanks.  The proposed code will include a new section, Section 3510 Hot work on flammable and

State of Ohio to require NH3 RV Discharge to be thru a destruction system or have an engineering analysis stating otherwise

The state of OH is in the process of updating it’s fire code to the 2015 International Fire Code (IFC).  In doing so, the state is upgrading its Mechanical Refrigeration requirements and one of the upgrades may have an impact on future Ammonia Refrigeration processes that have over 6.6 pounds (3 kg) of ammonia refrigerant, which would include almost

Bleeding off NH3 Accident (2017)

At 3:10 p.m. on February 7, 2017, an employee was making preparations to replace the relief valve of 1,000-gallon ammonia (NH3) nurse tank. The incident investigation reported that the tank was empty of liquid NH3. However, it contained approximately 80 psi of vapor pressure. The employee set up a 30-gallon drum that held water and

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