Hazardous Materials

HAZMAT Safety Advisory: Immediate re-inspection and retesting of certain cargo tank motor vehicles required (FMCSA 2016)

Federal Motor Carrier Safety Administration (FMCSA) is issuing this safety advisory to provide notice to owners and operators of certain cargo tanks that they have been improperly inspected and tested, and must be re-inspected and retested before being used in Hazardous Materials specification tank service. The tanks in question were tested by H&W Tank Testing, CT#8083, Ohatchee, Alabama, and […]

Fisher PRD Recall Safety Notice (DOT)

The Federal Motor Carrier Safety Administration (FMCSA) is issuing this safety advisory concerning pressure relief devices (PRD) that were not manufactured or intended for use on cargo tank motor vehicles. PRDs are an integral part of the safety mechanisms for U.S. Department of Transportation (DOT) specification cargo tank motor vehicles and are vital to ensuring

FREE Ohio Fire Code Training Modules – Update from State Fire Marshal’s Office (July 2016)

The Ohio Department of Commerce, Division of State Fire Marshal (SFM) has recently completed training modules highlighting significant changes from the 2007 version to the 2011 version of the Ohio Fire Code (OFC). You can access the modules via links on the SFM’s website “2011 Ohio Fire Code Training Modules”. There you will find links to

EPCRA Revisions to Hazard Categories and Minor Corrections: Technical Amendment

The Environmental Protection Agency (EPA) is amending its hazard categories in the regulations (40 CFR part 370) for reporting under Sections 311 and 312 of the Emergency Planning and Community Right-to-Know Act (EPCRA) due to the changes in the Occupational Safety and Health Administration (OSHA) Hazard Communication Standard (HCS).  OSHA’s HCS was revised in 2012

Ammonia is not suppose to behave that way

On October 31, 2012 at 6:00 p.m. while anhydrous ammonia (ammonia) field application assembly was making a turn at the end of the field, the hitch connection between the application/toolbar unit and the nurse tank failed. The break-away coupling device failed to disengage, causing the threaded fitting at one end of the withdrawal hose to

The history and explanation of Anhydrous Ammonia’s dual NFPA 704 Flammability Ratings

The changes in NH3’s flammability ratings in NFPA’s 704 ratings comes down to the difference between ammonia’s inherent chemical properties and specific regulatory overrides designed for enclosed refrigeration systems. Strictly speaking, the base chemical rating for pure anhydrous ammonia is a “1”. However, the International Mechanical Code (IMC) and the International Institute of Ammonia Refrigeration (IIAR)

OSHA Clarifies the Flammable Atmospheric Storage Tank PSM Exemption and why they seek to change it

The existing PSM standard applies in part to processes involving a flammable liquid or gas on site in one location in a quantity of 10,000 pounds or more. However, the existing PSM standard contains an exemption for “[f]lammable liquids stored in atmospheric tanks or transferred which are kept below their normal boiling point without benefit

IL has another TOTAL LOSS of NH3 from MC331 during loading/unloading @ fertilizer facility

UPDATE 4/9/2016 Shelby County Emergency Management Agency Director Jared Rowcliffe described in an email Wednesday afternoon that the driver connected the truck’s tank to the storage tank to offload, but the truck rolled. Instead of the hose breaking, causing an automatic shut-off, the fitting on the truck failed and the product was released.  Fire Chief

2nd BLEVE in as many days??? (MC331 – Propane)

2018 UPDATE – NTSB Report issued on this incident From the NTSB Report… About 6:20 a.m., as the combination vehicle was traveling northbound on US Highway 431 (US-431), a two-lane undivided highway, near Stroud, Alabama, it entered a right curve near the intersection of County Route 256 and began to encroach on the southbound lane,

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