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(1) For purposes of this chapter, the department adopts and incorporates by reference the following documents. All references to these documents in this chapter refer to the edition set out below:

(a) Department Circular DEQ-1, "Standards for Water Works," 2006 edition;

(b) Department Circular DEQ-2, "Design Standards for Wastewater Facilities," 1999 edition;

(c) Department Circular DEQ-3, "Standards for Small Water Systems," 2006 edition;

(d) Department Circular DEQ-4, "Montana Standards for Subsurface Wastewater Treatment Systems," 2004 edition;

(e) Department Circular DEQ-7, "Montana Numeric Water Quality Standards," February 2006 edition;

(f) Department Circular DEQ-8, "Montana Standards for Subdivision Storm Drainage," 2002 edition;

(g) Department Circular DEQ-11, "Montana Standards for Development of Springs for Individual and Shared Non-public Systems," 2002 edition;

(h) Department Circular DEQ-17, "Montana Standards for Cisterns (Water Storage Tanks) for Individual Non-public Systems," 2002 edition;

(i) Department Circular PWS-5, "Ground Water Under the Direct Influence of Surface Water," 2002 edition;

(j) Department Circular PWS-6, "Source Water Protection Delineation," 1999 edition; and

(k) the U.S. Department of Agriculture's National Soil Survey Handbook (USDA, NRCS, September 1999) , and the Soil Survey Manual (USDA, October 1993) , which contain a recognized set of methods for identifying the nature and characteristics of soils.

(2) Copies of the documents incorporated by reference in this rule may be obtained from the Department of Environmental Quality, P.O. Box 200901, Helena, MT 59620-0901.

History: 76-4-104, MCA; IMP, 76-4-104, MCA; NEW, 2000 MAR p. 3371, Eff. 12/8/00; AMD, 2002 MAR p. 1465, Eff. 5/17/02; AMD, 2003 MAR p. 221, Eff. 2/14/03; AMD, 2004 MAR p. 2589, Eff. 10/22/04; AMD, 2006 MAR p. 528, Eff. 2/24/06; AMD, 2006 MAR p. 540, Eff. 2/24/06.

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