Emergency Response

The relationships between Vapor Pressure (Vp), Boiling Point (BP), and Vapor Density (VD)

Approximately 90 percent of hazardous materials (hazmat) injuries are due to inhalation. In general, although some solids are highly hazardous (upon physical contact with the skin or if ingested into the body), gases and liquids with high vapor pressures pose the most significant risks to responders. These chemicals are more hazardous because they can become…...

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Mandatory elements of a HAZWOPER baseline physical examination (OSHA LOI issued 7/2012)

What are the mandatory elements that must be included in a baseline physical examination under 29 CFR 1910.120(q)(9)(i)? Are there mandatory exclusionary criteria? … Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Open-Circuit Self-Contained Breathing Apparatus Remaining Service-Life Indicator Performance Requirements

HHS proposes a revision to the current requirement for open-circuit self-contained breathing apparatus (OC-SCBA) remaining service-life indicators (indicators), which are devices built into a respirator to alert the user that the breathing air provided by the respirator is close to depletion. HHS intends to revise the current standard to allow greater latitude in the setting of…...

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Threshold Planning Quantities for EHS revised

The U.S. Environmental Protection Agency (EPA or the Agency) is taking final action to revise the manner for applying the threshold planning quantities (TPQs) for those extremely hazardous substances (EHSs) that are non-reactive solid chemicals in solution. This revision allows facilities subject to the Emergency Planning requirements that have a non-reactive solid EHS in solution,…...

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Emergency Response Guidebook 2012 Summary of Changes (April 2012)

The Emergency Response Guidebook Published every four years 13 million copies distributed More than 17 languages More than 2.2 million copies ERG2012 Android/iPhone Applications – Late 2012… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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Vapor Pressures and Respiratory Protection Selection

The NIOSH Respirator Selection Logic (RSL) relies entirely on whether the airborne concentration of a contaminant exceeds a defined exposure limit (such as the NIOSH Recommended Exposure Limit [REL] or OSHA Permissible Exposure Limit [PEL]), regardless of what the chemical’s vapor pressure is. However, vapor pressure plays a decisive role in selecting a respirator, particularly…...

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The future of fixed fire protection????

A friend has shared some info regarding a new fixed foam system for tank fire!  The video is amazing to watch, especially if you have spent anytime on a hose line at a large diamater tank fire!  This company is apparently very new and is focusing their efforts in Europe for now, but man is…...

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Definitions of current exposure guidance levels

ERPG Emergency Response Planning Guidelines (ERPG) are developed by the American Industrial Hygiene Association (AIHA).  ERPG-1 (mild effects), ERPG-2 (serious effects), and ERPG-3 (life-threatening effects) ERPGs are intended to protect “nearly all individuals” from each effect level. In establishing ERPGs, acute toxicity data as well as possible long-term effects from a single acute exposure are…...

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What’s wrong with this scene?

Take five seconds (THATS ALL) and tell me the first thing that comes to your mind that you feel is ODD about this photo?  This was NOT a drill, but an actual release of CHLORINE at a WWTP.  The photo is from the article regarding the CL2 release published by the local ABC News Affiliate…....

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Who falls into OSHA’s HAZWOPER “Awareness” group?

Consider this scenario A chemical facility has a processed covered by OSHA Process Safety Management standard.  The facility has extensive in-house response capabilities with a well staffed and equipped HAZMAT team, which trains all of the responders to the Technician level and supervisors are trained as Incident Commanders. But is this all the training from…...

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