Stel
Stel is a fictional American comic book superhero, an extraterrestrial robot from the planet Grenda and a member of the intergalactic police force known as the Green Lantern Corps for space sector 3009. He first appeared in DC Comics' Green Lantern (vol. 2) #11 (March 1962), and was created by writer John Broome and artist Gil Kane.
Fictional character biography
Stel was trained by the villain Sinestro before he became Hal Jordan's greatest foe. Stel serves the Green Lantern Corps through many of its battles, including a breakout from the Prison Planet of the Guardians of the Universe, an invasion by Qwardians, an attack by the alliance of Nekron, Lord of the Unliving, and the rogue Guardian Krona. It is during this confrontation that Krona kills Stel, tearing him to pieces before he is found by his fellow Lanterns. Stel gives the Lanterns a vital clue with his last breath. Later he is taken back to Grenda to be given a hero's burial.
During Stel's funeral the Krydos, enemy of the Grendans, attack. Stel's successor as Green Lantern arrives to help deal with the Krydos, but is himself attacked by a Grendan named Yron. Yron believes that Stel has failed as a Green Lantern due to the repeated Krydos attacks that Grenda suffers. Forcing the Green Lantern to take him to Oa, Yron protests to the Guardians that he would be a suitable choice to defend his planet and sector. The Guardians agree and gave Yron his own power ring. Yron's efforts to defend and then attack the Krydos prove to be disastrous, as his tactics end up killing many Grendans. Dying from an attack, Yron realizes that Stel was the better Lantern and with one last push of willpower, brings Stel back to life. Stel routs the Krydos threat and is hailed as a hero while the dead Yron is vilified. The resurrected Stel, however, pronounces Yron a hero and wants to hear of his action while others fled and cowered, rather than of his failure.
Short-term exposure limit
A short-term exposure limit (STEL) is the acceptable average exposure over a short period of time, usually 15 minutes as long as the time-weighted average is not exceeded.
STEL is a term used in occupational health, industrial hygiene and toxicology. The STEL may be a legal limit in the United States for exposure of an employee to a chemical substance. The Occupational Safety and Health Administration (U.S. OSHA) has set OSHA-STELs for 1,3-Butadiene,benzene and ethylene oxide. For chemicals, STEL assessments are usually done for 15 minutes and expressed in parts per million (ppm), or sometimes in milligrams per cubic meter (mg/m3).
The American Conference of Governmental Industrial Hygienists publishes a more extensive list of STELs as threshold limit values (TLV-STEL).
Similar national exposure limits
- COSHH (Control of Substances Hazardous to Health).
- OES Occupational Exposure Standard
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The Possibilities Are Endless
by: StealA sunny day!
I opened my eyes, a welcome break from bright grey skies.
Today is a blank page, there is so much I could do.
I remembered a sign that once rang true,