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Rocky Mounuin Ancnal Medical htonirorlnp Program <br />DIISOPROPYL dIETNYLPHOSPHONATE <br />(CtHtrO~P) CAS #1445-75-6 (Semi-Volatile Organic Compound) <br />Synonyms include: DIMP, Drisopropyl methanephosphonate <br />Phasphonic acid, methyl-, bis(1-methylethyl) ester <br />Phosphoric acid, and diisopropyl ester <br />SOIfRCF/USE <br />Diisopropyl methyphosphonate (DIMP) does not occur naturally and is created as a by-product of the <br />production of the chemical agent satin. There is no specific use for DIMP and human exposure is <br />confined to production of satin and exposure to DIMP from sites where satin may have been created, <br />used, or disposed. DIMP tends to adsorb on soil particulates and may be one of the more <br />toxicologically important av contaminants found during remedia6on projects. <br />ROUTES OF EXPOSURE <br />DIMP exposure can occur via many potential pathways. These pathways include oral, demlal and <br />pulmonary routes of exposure. The risk of any acute DIMP exposure off post due to the RMA <br />remediauon activity is very small becatue it is a contaminant of concern only in groundwater. <br />APPLICABLE STANDARDS AND LIMITS <br />ATSDR acute MRL Not Available <br />OSHA PEL Not Available <br />Odor reco 'tion No Odor <br />Colorado undwater standard 8 <br />EPA federal drinking water standard 600 • git <br />RMA acute fence line mteria' Not Available <br />c rM l~ 't ~ ' t Av <br />• -Fence lint criteria were not calculated for this constitutor as it is na[ a concern from soil exposure. <br />L <br />Jr~~ 577 . <br />~, ~ ~~.~ uc ~sr. -tee w <br />Aeote/Chronic Tosielty - Dihopropyl methyiphosphenote 2.37 <br />