Coalition of Communities for Environmental Justice

Environmental Justice is our Goal


Hercules, MDEQ, EPA Region 4

Posted by COCEJ on May 12, 2012 at 2:40 PM

On Thursday, May 10, 2012 at 6:30 pm a Community Meeting was held in Hattiesburg, MS at St. James Church on Country Club Road. The meeting concerned the offsite sampling of possilbe contamination from the Hercules Plant. 

The Three Chemicals of Concern are: Carbon Tetrachloride, Chloroform and Delnav.

The Federal Agency of ATSDR (Agency of Toxic Substances and Disease Registry) have compiled the following information:

Arsenic Toxicity

Public Health Statement for Carbon Tetrachloride

Public Health Statement for Chloroform


Synonyms & Trade Names Delnav®; p-Dioxane-2,3-diyl ethyl phosphorodithioate; Dioxane phosphate; 2,3-p-Dioxanethiol-S,S-bis(O,O-diethyl phosphoro-dithioate); Navadel®

CAS No. 78-34-2 RTECS No. TE3350000 DOT ID & Guide

FormulaC4H6O2[SPS(OC2H5)2]2 Conversion IDLH N.D.

Exposure Limits


NIOSH REL: TWA 0.2 mg/m3 [skin]

Physical Description Viscous, brown, tan, or dark-amber liquid. [insecticide] [Note: Technical product is a mixture of cis- & trans-isomers.]

MW: 456.6 BP: ? FRZ: -4°F Sol: Insoluble VP: ? IP: ?

Sp.Gr(79°F): 1.26 Fl.P: NA UEL: NA LEL: NA

Noncombustible Liquid

Incompatibilities & Reactivities Alkalis, iron or tin surfaces, heat

Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact

Symptoms irritation eyes, skin; headache, dizziness, lassitude (weakness, exhaustion); rhinorrhea (discharge of thin nasal mucus), chest tightness; miosis; nausea, vomiting, abdominal cramps, diarrhea, salivation; muscle fasciculation; confusion, drowsiness

Target Organs Eyes, skin, respiratory system, central nervous system, cardiovascular system, blood cholinesterase

Personal Protection/Sanitation (See protection codes)

Skin: Prevent skin contact

Eyes: Prevent eye contact

Wash skin: When contaminated

Remove: When wet or contaminated

Change: No recommendation

Provide: Eyewash, Quick drench First Aid (See procedures)

Eye: Irrigate immediately

Skin: Soap flush immediately

Breathing: Respiratory support

Swallow: Medical attention immediately

Categories: None

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