Hazardous Materials

PRESSURE TEST, then LEAK TEST piping BEFORE the introduction of the Hazardous Material! At 8:30 p.m. on May 11, 2017, two employees had been welding a pipe assembly and installed it on a chlorine tank. Employee #1 opened a valve to transfer the liquid chlorine from a supply tank into the weigh tank. A flanged…...

At 9:15 a.m. on June 17, 2017, an employee was conducting routine daily checks on Well Number 1 and Well Number 2 chlorine cylinders and noticed that they needed to be changed out for full chlorine cylinders. The employee noticed the regulator was feeding chlorine gas without the pumps running and noted that there was…...

With all the chatter these past few weeks about flammable gases and their NFPA 704 Diamond “Degree of Hazard”, it was suggested by several SAFTENG members that I write an article explaining what a “flammable gas” actually is, as some of our group text indicate some may not fully understand the true hazard of working…...

This has been a fun week with all the dialogue I have had with so many SAFTENG members; I only wish more were comfortable having these discussions online, but the fear of being traced back to an employer or being trolled by a lawyer I guess is a legitimate fear in our technical/risk profession.  One of the…...

Maintenance was being undertaken on a passenger ship lifeboat while the vessel was in port. One of the four (4) nitrogen cylinders for the emergency launching of the lifeboat had lost some pressure; it was showing 2,300 psig when it should have been between 2,600 psig. The cylinders were located in a covered area outside…...

Last week we saw a HAZMAT incident where over 50 workers were transported to medical facilities after ferric sulfate and sodium hypochlorite (bleach) were mixed together.  From recent press updates, what happened on Wednesday (2/27/19) sure does sound like a truck carrying one of these chemicals was unloaded into a tank of the other chemical.  The details…...

At 11:00 a.m. on June 1, 2018, an employee was transferring a chemical degreaser containing 1-5% caustic sodium hydroxide, from a 5-gallon jug into a small bottle. The chemical spilled onto the employee’s left hand and pants. The employee took off his pants, wiped his legs with wet cloths, and changed clothes. However, the employee…...

At 4:00 p.m. on January 5, 2018, Employee #1, employed by an industrial cleaning company, was working at a multiemployer project. He was working from an 8-foot stepladder, Werner Fiberglass 300-pound capacity P/N 100521-127 Model Number T6208 Mk 4. He was 2 feet above the ground and monitoring and adding water as necessary to evaporator…...