IIIA^. WATER TREATMENT 



Treatment techniques capable of removing lindane from drinking 

 water include adsorption on activated carbon, air stripping, reverse 

 osmosis, and oxidation. 



Ill jV.9. documentation AND REVIEW OF HAs 



Muller, D., H. Klepel, R.M. Macholz, HJ. Lewerenz and R. Engst. 

 1981. 



"Electroneurophysiological studies on neurotoxic effects of hexachlor- 

 ocyclo-hexane isomers and gamma-pentachlorocyclohexene." EiilL 

 Environ. Contam. Toxicol. 27(5): 704-706. Zoecon Corporation. 

 1983. MRID No. 00128356. 



Available from EPA. Write to FOI, EPA, Washington D.C. 20460. 

 U.S. EPA. 1985. Final Draft of the Drinking Water Criteria Docu- 

 ment on Lindane. Office of Drinking Water, Washington, DC. 

 EPA review of HAs in 1985. 



Public review of HAs following notification of availability in October, 

 1985. Scientific Advisory Panel review of HAs in June, 1986. 

 Preparation date of this IRIS summary -- 06/17/87 



IIIA.10. EPA CONTACTS 



Yogendra Patel / ODW - (202)382-7585 / FTS 382-7585 

 Edward V. Ohanian / ODW - (202)382-7571 / FTS 382-7571 



III.B. OTHER ASSESSMENTS 



Content to be determined 



IV. U.S. EPA REGULATORY ACTIONS 



Substance Name -- gamma-Hexachlorocyclohexane (gamma-HCH) 

 Primary Synonym — Lindane 

 CASRN - 58-89-9 

 Last Revised - 03/01/88 



EPA risk assessments may be updated as new data are published and 

 as assessment methodologies evolve. Regulatory actions are frequent- 

 ly not updated at the same time. Compare the dates for the regulatory 

 actions in this section with the verification dates for the risk assess- 

 ments in sections I and II, as this may explain inconsistencies. Also 

 note that some regulatory actions consider factors not related to health 

 risk, such as technical or economic feasibility. Such considerations are 

 indicated for each action. In addition, not all of the regulatory actions 

 listed in this section involve enforceable federal standards. Please 

 direct any questions you may have concerning these regulatory actions 

 to the U.S. EPA contact listed for that particular action. Users are 

 strongly urged to read the background information on each regulatory 

 action in Background Document 4 in Service Code 5. 



IV.A. CLEAN AIR ACT (CAA) 



No data available 



rV.B. SAFE DRINKING WATER ACT (SDWA) 



rV.B.l. MAXIMUM CONTAMINANT LEVEL GOAL (MCLG) for 

 Drinking Water 



Value (status) - 0.0002 mg/L (Proposed, 1985) 

 Considers technological or economic feasibility? -- NO 



