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DNREC : DERNS : Recent Releases : Environmental Release Detail [13471]
Release ID 13471  Release Date/Time 5/8/2009 8:40:00 PM 
Extremely Hazardous YES  Report Date/Time 5/8/2009 8:44:00 PM 
Release Location 4550 WRANGLE HILL RD DELAWARE CITY, DE 19706  
Facility ID & Name 1710 VALERO DELAWARE CITY REFINERY  Facility Address 4550 WRANGLE HILL RD
DELAWARE CITY, DE 19706
 
Substance Released SULFUR DIOXIDE  Release Duration Continuous 
Estimated Quantity N/A 
Released To
Additional Information REPORTED AS A CONTINOUS EXCEEDANCE FROM THE MORNING INCIDENT. 
Health Risks: (Information provided here may be from the Cameo Chemical database and may or may not pertain to this specific release. It is provided as a precaution only.) SULFUR DIOXIDE The following chemical information was taken from the CAMEO Chemical database. It may cause death or permanent injury after very short exposure to small quantities. 1,000 ppm causes death in from 10 minutes to several hours by respiratory depression. It is an eye and respiratory tract irritant. Persons with asthma, subnormal pulmonary functions or cardiovascular disease are at a greater risk. (EPA, 1998) 
Medical Attention: (Information provided here may be from the Cameo Chemical database and may or may not pertain to this specific release. It is provided as a precaution only.) SULFUR DIOXIDE The following chemical information was taken from the CAMEO Chemical database. Note: Persons with asthma, subnormal pulmonary function, or cardiovascular disease are at greater risk. Signs and Symptoms of Acute Sulfur Dioxide Exposure: Sulfur dioxide may irritate the eyes and respiratory tract. Signs and symptoms of acute exposure to sulfur dioxide may be severe and include coughing, choking, dyspnea (shortness of breath), sneezing, wheezing, and chest discomfort. Upper airway edema (swelling) or obstruction, bronchoconstriction, pneumonia, pulmonary edema, and respiratory paralysis may occur. Fatigue may be noted. Gastrointestinal effects may include nausea, vomiting, and abdominal pain. Cyanosis (blue tint to skin and mucous membranes) may be noted following exposure to sulfur dioxide. Emergency Life-Support Procedures: Acute exposure to sulfur dioxide may require decontamination and life support for the victims. Emergency personnel should wear protective clothing appropriate to the type and degree of contamination. Air-purifying or supplied-air respiratory equipment should also be worn, as necessary. Rescue vehicles should carry supplies such as plastic sheeting and disposable plastic bags to assist in preventing spread of contamination. Inhalation Exposure: 1. Move victims to fresh air. Emergency personnel should avoid self-exposure to sulfur dioxide. 2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer oxygen or other respiratory support. 3. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures. 4. Transport to a health care facility. Dermal/Eye Exposure: 1. Remove victims from exposure. Emergency personnel should avoid self- exposure to sulfur dioxide. 2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer oxygen or other respiratory support. 3. Remove contaminated clothing as soon as possible. 4. If eye exposure has occurred, eyes must be flushed with lukewarm water for at least 15 minutes. 5. Wash exposed skin areas with soap and water. 6. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures. 7. Transport to a health care facility. Ingestion Exposure: No information is available. (EPA, 1998) 
Precautions Recommended None  Public Notified? YES 
Facility Contact Name: PAUL CLAWSON  Facility Contact Phone: 302-834-6252 
Facility Contact Email:   Status Final