heavier than air (specific gravity 1,52)

POISONOUS GASES

Name	Concentration	given off by	Dangerous places	Signs and Symptoms	Treatment
CO2 carbon dioxide heavier than air (specific gravity 1,52)	Innocuous 400: 1000000 0.04% Lethal 80000: 1000000 8%	our lungs in exhalation, carbon dioxide tank (a respirotary stimulant during anesthesia to help to maintain base equilibrium in certain complicated types of medical cases), «dry ice» (by sublimation of solid carbon dioxide to gaseous carbon dioxide)	Tends to gravitate to low areas and accumulate in cellars, manholes, wells, silos, caves and mines, tightly closed ice houses and any confined premises	Symptoms of asphyxia: dizziness, ringing in the ears (tinnitus), a feeling if the head wewrw going to explode, sweating (dyaphoresis), muscular weekness and fatigue, sleepness, lassitude, high blood pressure, rapid pulse, general collapde, coma, death	1. Enter into unsafe areas with adequate safeguards (an ordinary oxygen mask) 2. MoCases of poisoning ve the victim into fresh air, 3, Start immediately artificial respiration if breathing has ceased or is very poor 4 Cases of poisoning should be hospitalized as quickly as possible.
CO carbon monoxide	Innocuous 400: 1000000 0.04% for one hour, 150: 1000000 0.015% for 8 hours	burning where there is a limited supply of fresh air, car exhausts	Unventilated places: garages, automobiles with closed windows, even if vehickle is moving	Headache, dizziness, yawning, faintness, ringing in the ears, nausea, pounding in the heart, bright cherry-red color of skin, lethargy, stupor, coma, death Keep in mind that any person	Keep in mind that any person experiencing the early symptoms must seek fresh air because a lethargy make any effort seem to be scarcely worth the bother
H2S hydrogen sulfide	Innocuous 10: 1000000 0.001% Lethal 1000: 1000000 0, 1% in 2 min.	the decomposition of organic matter	Cesspool;s, tannery vats, fat-rendering plants, the holds and bilges of fishing vessels, sour crude tanks, manholesewer	Dizziness, nausea, abdominal pain, cardiac irregularity, anoxic convulsions, coma

Дата добавления: 2015-11-05