concentrations which were not to be exceeded. The freshwater chronic 



WQC is a 24-hour average. 



Reference -- 45 FR 79318 (11/28/80) 



EPA Contact -- Criteria and Standards Division, OWRS 



(202)475-7315 / FTS 475-7315 



rV.D, FEDERAL INSECTICIDE FUNGICIDE AND RODEN- 

 TICIDE ACT (FIFRA) 



IV.D.l. PESTICIDE ACTIVE INGREDIENT, Registration Standard 



Status - Issued (1985) 



Reference- Lindane Pesticide Registration Standard. Current, 1985. 



EPA Contact - Registration Branch, OPP / (703)557-7760 / FTS 



557-7760 



IV.D2. PESTICIDE ACTIVE INGREDIENT, Special Review 



Action - Final regulatory action - PD4 (1984) 



Considers technological or economic feasibility? -- YES 



Summary of regulatory action - Negotiated settlements have been 



made for Lindane in dog dips [49 FR 26282 (06/27/84)] and in smoke 



bombs [50 FR 5424 (02/08/85)]. 



Reference - 45 FR 48513 (10/19/83); 49 FR 26282 (06/27/84) 



EPA Contact - Special Review Branch, OPP / (703)557-7400 / FTS 



557-7400 



rV.E. TOXIC SUBSTANCES CONTROL ACT (TSCA) 

 No data available 



IV.F, RESOURCE CONSERVATION AND RECOVERY ACT 

 (RCRA) 



Status - Listed 



Reference - 52 FR 25942 (07/09/87) 



EPA Contact - Jerry Carman / OSW / (202)382-4658 / FTS 382-4658 



rV.G. SUPERFUND (CERCLA) 



IV.G.l. REPORTABLE QUANTITY (RQ) for Release into the En- 

 vironment 



Value (status) - 1 pound (Statutory, 1987) 



Considers technological or economic feasibility? - NO 



Discussion - The 1-pound RQ for Undane is based on aquatic toxicity 



as assigned by Section 311(b)(4) of the Clean Water Act (40 CFR 



117.3). Available data indicate a 96-hour Median Threshold Limit of 



ppm, which corresponds to an RQ of 1 pound. 



Reference - 52 FR 8140 (03/16/87) 



EPA Contact - RCRA/Superfund Hotline 



(800)424-9346 / (202)382-3000 / FTS 382-3000 



V. SUPPLEMENTARY DATA 



Substance Name - gamma-HexachlorocycIohexane (gamma-HCH) 



Primary Synonym -- Lindane 



CASRN - 58-89-9 



Last Revised - 01/31/87 



The information contained in this section (subsections A and B) has 



been extracted from the EPA Chemical Profiles Database, which has 



been compiled from a number of secondary sources and has not 



