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nailhead Hydrogen sulfide
IDLH Documentation
CAS number: 7783064
NIOSH REL: 10 ppm (15 mg/m3) 10minute CEILING
Current OSHA PEL: 20 ppm CEILING, 50 ppm 10minute MAXIMUM PEAK
1989 OSHA PEL: 10 ppm (14 mg/m3) TWA, 15 ppm (21 mg/m3) STEL
1993-1994 ACGIH TLV: 10 ppm (14 mg/m3) TWA, 15 ppm (21 mg/m3) STEL
Description of Substance: Colorless gas with a strong odor of rotten eggs.
LEL:..4. 0% (10% LEL, 4,000 ppm)
Original (SCP) IDLH: 300 ppm
Basis for original (SCP) IDLH: The chosen IDLH is based on the statements by Patty [1963] that 170 to 300 ppm is the maximum
concentration that can be endured for 1 hour without serious consequences; 400 to 700 ppm is dangerous after exposure of 0. 5 to 1 hour
[Henderson and Haggard 1943]. AIHA [1963] reported that 400 to 700 ppm caused loss of consciousness and possible death in 0. 5 to 1 hour
[MCA 1950].
Existing short-term exposure guidelines: 1991 American Industrial Hygiene Association (AIHA) Emergency Response Planning
Guidelines (ERPGs):
ERPG1: 0. 1 ppm (60minute)
ERPG2: 30 ppm (60minute)
ERPG3: 100 ppm (60minute)
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National Research Council [NRC 1985] Emergency Exposure Guidance Levels (EEGLs):
10minute EEGL: 50 ppm
24hour EEGL: 10 ppm
ACUTE TOXICITY DATA:
Lethal concentration data:
*Note: Conversion factor (CF) was determined with "n" = 2. 2 [ten Berge et al. 1986].
Other human data: It has been reported that 170 to 300 ppm is the maximum concentration that can be endured for 1 hour without serious
consequences [Henderson and Haggard 1943] and that olfactory fatigue occurs at 100 ppm [Poda 1966]. It has also been reported that 50 to
100 ppm causes mild conjunctivitis and respiratory irritation after 1 hour; 500 to 700 ppm may be dangerous in 0. 5 to 1 hour; 700 to
1,000 ppm results in rapid unconsciousness, cessation of respiration, and death; and 1,000 to 2,000 ppm results in unconsciousness, cessation
of respiration, and death in a few minutes [Yant 1930].
Species Reference
LC50
(ppm)
LCLo
(ppm)
Time
Adjusted 0. 5-hr
LC (CF*)
Derived value
Rat Back et al. 1972 713 ----- 1 hr 977 ppm (1. 37) 98 ppm
Mouse Back et al. 1972 673 ----- 1 hr 922 ppm (1. 37) 92 ppm
Human Lefaux 1968 ----- 600 30 min 600 ppm (1. 0) 60 ppm
Mouse MacEwen and Vernot 1972 634 ----- 1 hr 869 ppm (1. 37) 87 ppm
Human Tab Biol Per 1933 ----- 800 5 min 354 ppm (0. 44) 35 ppm
Rat Tansey et al. 1981 444 ----- 4 hr 1,141 ppm (2. 57) 114 ppm
Revised IDLH: 100 ppm
Basis for revised IDLH: The revised IDLH for hydrogen sulfide is 100 ppm based on acute inhalation toxicity data in
humans [Henderson and Haggard 1943; Poda 1966; Yant 1930] and animals [Back et al. 1972; MacEwen and Vernot
1972; Tansey et al. 1981].
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REFERENCES:
1. AIHA [1963]. Hydrogen sulfide. In: Hygienic guide series. Am Ind Hyg Assoc J 24 :9294.
2. Back KC, Thomas AA, MacEwen JD [1972]. Reclassification of materials listed as transportation health hazards. WrightPatterson Air
Force Base, OH: 6570th Aerospace Medical Research Laboratory, Report No. TSA20723, pp. A220 to A221.
3. Henderson Y, Haggard HW [1943]. Noxious gases. 2nd ed. New York, NY: Reinhold Publishing Corporation, p. 245.
4. Lefaux R [1968]. Practical toxicology of plastics. Cleveland, OH: Chemical Rubber Co. , p. 207.
5. MacEwen JD, Vernot EH [1972]. Toxic Hazards Research Unit annual report: 1972. WrightPatterson Air Force Base, OH: Air Force
Systems Command, Aerospace Medical Division, Aerospace Medical Research Laboratory Report, AMRLTR7262.
6. MCA [1968]. Chemical safety data sheet SD36: properties and essential information for safe handling and use of hydrogen sulfide.
Washington, DC: Manufacturing Chemists Association, pp. 113.
7. NRC [1985]. Emergency and continuous exposure guidance levels for selected airborne contaminants. Vol.4. Washington, DC: National
Academy Press, Committee on Toxicology, Board on Toxicology and Environmental Health Hazards, Commission on Life Sciences,
National Research Council, pp. 5568.
8. Patty FA, ed. [1963]. Industrial hygiene and toxicology. 2nd rev. Ed. Vol. II. Toxicology. New York, NY: Interscience Publishers, Inc.,
p. 899.
9. Poda GA [1966]. Hydrogen sulfide can be handled safety. Arch Environ Health 12 :795800.
10. Tab Biol Per [1933]; 3 :231 (in German).
11. Tansey MF, Kendall FM, Fantasia J, Landin WE, Oberly R [1981]. Acute and subchronic toxicity studies of rats exposed to vapors of
methyl mercaptan and other reduced sulfur compounds. J Toxicol Environ Health 8 :7188.
12. Ten Berge WF, Zwart A, Appelman LM [1986]. Concentration-time mortality response relationship of irritant and systematically acting
vapours and gases. J Haz Mat 13 :301309.
13. Yant WP [1930]. Hydrogen sulfide in industry: occurrence, effects and treatment. Am J Public Health 20 :598608.
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Go back to the Documentation for Immediately Dangerous To Life or Health Concentrations (IDLHs)
This page was last updated : 8/16/96
Go back to the NIOSH home page or to the CDC home page.
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Hydrogen sulfide
IDLH Documentation
CAS number: 7783064
NIOSH REL: 10 ppm (15 mg/m3) 10minute CEILING
Current OSHA PEL: 20 ppm CEILING, 50 ppm 10minute MAXIMUM PEAK
1989 OSHA PEL: 10 ppm (14 mg/m3) TWA, 15 ppm (21 mg/m3) STEL
1993-1994 ACGIH TLV: 10 ppm (14 mg/m3) TWA, 15 ppm (21 mg/m3) STEL
Description of Substance: Colorless gas with a strong odor of rotten eggs.
LEL:..4. 0% (10% LEL, 4,000 ppm)
Original (SCP) IDLH: 300 ppm
Basis for original (SCP) IDLH: The chosen IDLH is based on the statements by Patty [1963] that 170 to 300 ppm is the maximum
concentration that can be endured for 1 hour without serious consequences; 400 to 700 ppm is dangerous after exposure of 0. 5 to 1 hour
[Henderson and Haggard 1943]. AIHA [1963] reported that 400 to 700 ppm caused loss of consciousness and possible death in 0. 5 to 1 hour
[MCA 1950].
Existing short-term exposure guidelines: 1991 American Industrial Hygiene Association (AIHA) Emergency Response Planning
Guidelines (ERPGs):
ERPG1: 0. 1 ppm (60minute)
ERPG2: 30 ppm (60minute)
ERPG3: 100 ppm (60minute)
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National Research Council [NRC 1985] Emergency Exposure Guidance Levels (EEGLs):
10minute EEGL: 50 ppm
24hour EEGL: 10 ppm
ACUTE TOXICITY DATA:
Lethal concentration data:
*Note: Conversion factor (CF) was determined with "n" = 2. 2 [ten Berge et al. 1986].
Other human data: It has been reported that 170 to 300 ppm is the maximum concentration that can be endured for 1 hour without serious
consequences [Henderson and Haggard 1943] and that olfactory fatigue occurs at 100 ppm [Poda 1966]. It has also been reported that 50 to
100 ppm causes mild conjunctivitis and respiratory irritation after 1 hour; 500 to 700 ppm may be dangerous in 0. 5 to 1 hour; 700 to
1,000 ppm results in rapid unconsciousness, cessation of respiration, and death; and 1,000 to 2,000 ppm results in unconsciousness, cessation
of respiration, and death in a few minutes [Yant 1930].
Species Reference
LC50
(ppm)
LCLo
(ppm)
Time
Adjusted 0. 5-hr
LC (CF*)
Derived value
Rat Back et al. 1972 713 ----- 1 hr 977 ppm (1. 37) 98 ppm
Mouse Back et al. 1972 673 ----- 1 hr 922 ppm (1. 37) 92 ppm
Human Lefaux 1968 ----- 600 30 min 600 ppm (1. 0) 60 ppm
Mouse MacEwen and Vernot 1972 634 ----- 1 hr 869 ppm (1. 37) 87 ppm
Human Tab Biol Per 1933 ----- 800 5 min 354 ppm (0. 44) 35 ppm
Rat Tansey et al. 1981 444 ----- 4 hr 1,141 ppm (2. 57) 114 ppm
Revised IDLH: 100 ppm
Basis for revised IDLH: The revised IDLH for hydrogen sulfide is 100 ppm based on acute inhalation toxicity data in
humans [Henderson and Haggard 1943; Poda 1966; Yant 1930] and animals [Back et al. 1972; MacEwen and Vernot
1972; Tansey et al. 1981].
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REFERENCES:
1. AIHA [1963]. Hydrogen sulfide. In: Hygienic guide series. Am Ind Hyg Assoc J 24 :9294.
2. Back KC, Thomas AA, MacEwen JD [1972]. Reclassification of materials listed as transportation health hazards. WrightPatterson Air
Force Base, OH: 6570th Aerospace Medical Research Laboratory, Report No. TSA20723, pp. A220 to A221.
3. Henderson Y, Haggard HW [1943]. Noxious gases. 2nd ed. New York, NY: Reinhold Publishing Corporation, p. 245.
4. Lefaux R [1968]. Practical toxicology of plastics. Cleveland, OH: Chemical Rubber Co. , p. 207.
5. MacEwen JD, Vernot EH [1972]. Toxic Hazards Research Unit annual report: 1972. WrightPatterson Air Force Base, OH: Air Force
Systems Command, Aerospace Medical Division, Aerospace Medical Research Laboratory Report, AMRLTR7262.
6. MCA [1968]. Chemical safety data sheet SD36: properties and essential information for safe handling and use of hydrogen sulfide.
Washington, DC: Manufacturing Chemists Association, pp. 113.
7. NRC [1985]. Emergency and continuous exposure guidance levels for selected airborne contaminants. Vol.4. Washington, DC: National
Academy Press, Committee on Toxicology, Board on Toxicology and Environmental Health Hazards, Commission on Life Sciences,
National Research Council, pp. 5568.
8. Patty FA, ed. [1963]. Industrial hygiene and toxicology. 2nd rev. Ed. Vol. II. Toxicology. New York, NY: Interscience Publishers, Inc.,
p. 899.
9. Poda GA [1966]. Hydrogen sulfide can be handled safety. Arch Environ Health 12 :795800.
10. Tab Biol Per [1933]; 3 :231 (in German).
11. Tansey MF, Kendall FM, Fantasia J, Landin WE, Oberly R [1981]. Acute and subchronic toxicity studies of rats exposed to vapors of
methyl mercaptan and other reduced sulfur compounds. J Toxicol Environ Health 8 :7188.
12. Ten Berge WF, Zwart A, Appelman LM [1986]. Concentration-time mortality response relationship of irritant and systematically acting
vapours and gases. J Haz Mat 13 :301309.
13. Yant WP [1930]. Hydrogen sulfide in industry: occurrence, effects and treatment. Am J Public Health 20 :598608.
Página 3 de 4 Documentation for Immediately Dangerous to Life or Health Concentrations (IDLHs) - 7783064
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Go back to the Documentation for Immediately Dangerous To Life or Health Concentrations (IDLHs) This page was last updated : 8/16/96 Go back to the NIOSH home page or to the CDC home page. Página 4 de 4 Documentation for Immediately Dangerous to Life or Health Concentrations (IDLHs) - 7783064 12/09/2008 file://D:Documents and SettingshernandezhagMis documentos2008Nucleoteca 2008Documentation for Immediately Dang...
por ANITA (Septiembre 2008)
Holas buenos dias
La verdad no tengo pasta para que le me lo puedas traducir disculpa
Bye te cuidas y gracias :d
No se que significa............
"
por Glaucol (Noviembre 2008)
Significa no construido. Unbuilt
esta usando el prefijo UN y el verbo build en pasado= built
Chicos, por una modica cantidad les puedo hacer sus traducciones tecnicas eh?
Perdón, al dactilografiar me equivoqué es "bread roll top piece" gracias
Honeycomb se le llama a los "nidos" que aparecen en el hormigon.
Saludos
Routledge. Es gratis, es técnico y se descarga desde su pagina web. Ideal para electricistas, mecánicos, carpinteros, etc. Todo relacionado con la mecanica. Pesa 16 MB mas o menos, también podeis descargarlo desde aqui:
Http://rapidshare. Com/files/19043211/Dic_Tec_Rout_Ing-Esp. Rar
Saludos
Alguien tuviera el diccionario por
favor me lo pueden enviar