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1.0 INTRODUCTION I This introductory section presents background information, the purpose, objectives, approach, and organization for this sampling and analysis plan. A 1.1 Background This sampling and analysis plan (SAP) is prepared for Holland & Hart, L.L.P. on behalf of B8B Excavating, Inc. (B8B). B86 operates open pit sand and gravel mines, ready mix concrete batch plants, and hot mix asphalt batch plants as part of excavation, asphalt paving and concrete operations. BBB's main office is located in Edwards, Colorado; satellite facilities are ,~ located in Eagle and Summit counties. Holland & Hart retained Dames 8 Moore to provide environmental consulting services on behalf of 886 on November 9, 1998, in response to reported releases of chemical substances at BBB's Montgomery Pit facility. This facility is located approximately 2 miles west of Eagle, Colorado, on U.S. Highway 6. Figure 1 illustrates the location of the Montgomery Pit facility relative to prominent landmarks in the area. As illustrated in Figure 2, 88B's Montgomery Pit consists of the following facilities and operations: • Access roads • Active open pit sand and gravel mining operations • Gravel crushers • Vibratory screens and classifiers • Sand and rock washing plants • Process water ponds and settling basins • Sand, gravel, and road base stock piles • A ready mix concrete batch plant L • A hot mix asphalt batch plant • Fuel and oil storage facilities • An equipment storage area • An equipment bone yard • Truck scales. During an informational meeting with B88's General Council, Mr. Peter Rudy, Esq. at B88's Edwards, Colorado, offices, Mr. Rudy provided Dames 8 Moore with available information regarding two reported chemical releases at the Montgomery Pit site, one in September 1997 and the other in July 1998. Reportedly, the released chemicals consisted of a commercially available weed killer called Repco Kill IIT'" containing approximately 2 percent 2,4- dichlorophenoxy acetic acid (2,4-D) and approximately 2 percent Bromacil. The weed killer was dumped from drums onto a raw material stockpile that served as feedstock for processing into construction products, including sand, gravel, road base, and asphaltic concrete. B&B Excavating, Inc., Edwards, Colorado December 17, 1998 Montgomery Pit Facility 39210-003-034 Draft Sampling and Analysis Plan 1 DAMES 8 MOORE