Laserfiche WebLink
1 <br /> Monta Brothers Service Station 11 July 16, 1992 <br /> a <br /> ' Po#ential Worker Hazards <br /> With hydrocarbon-based liquids, contact may result in dermal irritation due to <br /> desiccation Respiration of air laden with hydrocarbon vapors may result to oxygen <br /> deficiency and/or mucous membrane irritation Mixtures of air and hydrocarbon <br /> fuels exhibit an explosive range thus presenting an explosion hazard Gasoline fuel <br /> ' may contain significant amounts of benzene, a proven human carcinogen Potential <br /> exposure values and limits for benzene are listed in the table below <br /> TABLE 1 - POTENTIAL EXPOSURE VALUES <br /> Chemical Highest Cone IPI TLV2 IDLH3 Flammable <br /> Detected in (electron (ppm) Level Range <br /> ' Sam lesm volts) ercent <br /> Benzene 5 905 0 9245 10 Carcino en 1 3 - 7 1 <br /> llonization Potential in electron volts (eV) <br /> 2Threshold Limit Value as the time-weighted average (TWA) published by the American <br /> Conference of Governmental Industrial Hygienists (ACGIH) <br /> 31mmediately dangerous to life and health (IDLH) level as published by National Institute of <br /> Occupational Safety and Health (NIOSH), Publication Number 85-114, September 1985 <br /> NA not applicable due to drilling in excess of 100 feet from any known contamination <br /> Benzene is a colorless liquid with an aromatic odor It is incompatible with strong <br /> oxidizers like chlorine or bromine with iron The routes of exposure for benzene <br /> include inhalation, skin absorption, ingestion, and skin and/or eye contact <br /> t Symptoms of exposure to benzene include irritation to the eyes, nose, and respiratory <br /> system, giddiness, headache, nausea, staggering gait, fatigue, anorexia, lassitude, <br /> ' dermatitts, and abdominal pain <br /> The potential health hazard from benzene exposure is low to moderate at this site <br /> Conditions for S s ension of O er tions <br /> ' Site monitoring equipment will include a Photo-ionization detector (PID) or a Flame- <br /> ionization detector (FID) during drilling and trenching Field activities at Level D <br /> will be suspended when the continuous FID or PID level in the breathing zone <br /> E8-8101-3 9207-E037 WP <br />