Several ACCA standards provide contractors with protocols for combustion testing of fuel-fired appliances to verify performance.
An excellent "stress test" for the appliance combustion/venting system is found in ANSI/ACCA Standard 12 QH – 2018, Home Evaluation and Performance Improvement .
In Baltimore, an HVAC contractor did some work on an HVAC system. Later at least two people died and homes were destroyed . In Illinois a young HVAC worker’s actions appear to have led to destruction of a home . Photo: Bureau of Labor Statistics There is a lot that we don’t know about...
Since then, he has also gained many other industry certifications, including: Class II Boiler Service Certificate (1999); National Comfort Institute Certification for Performance Contracting (2001); National Comfort Institute Certification for Carbon Monoxide and Combustion Analysis (2011); and Master Plumbing license for State of Georgia (2012)
What procedure do I have to follow to have him tested? Do I have to test all employees?...For testing outside the context of workers comp, no particular rules apply
Vapor-generating boilers, including hybrid boilers, other than watertube boilers 84022000 ........... Super-heated water boilers 84029000 ........... Parts of steam- or other vapor-generating boilers 84031000 ........... Central heating boilers (other than those of heading 8402) 84039000 ........... Parts of central heating boilers (other than those of heading 8402) 84042000
Allegedly, these tests are being designed to show if a person used marijuana within 2-3 hours before the test, which is supposedly the peak period of impairment after ingestment of THC (tetrahydrocannibinol), the prime component in marijuana causing impairment. The completion and reliability of these testing devices is still in question, and employers should not expect them in the very near future
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