shipment of 250 miles of pipe, the amount processed by a typical yard per 

 year, requires about 4,000 carloads, or 100 cars per week during a 40- 

 week operating season. Rail shipment of the great volumes of iron ore 

 aggregate, sand, cement, and other materials used would increase railroad 

 activity even more. Both the pipe and ore are brought in by ship where- 

 ever feasible. Noise impacts from these increased transport systems would 

 be most prominent if the facility moved into a rural area. 



Subproject: Stormwater Systems (SP-12) 



Disturbing Activity: Stormwater conveyance 



Runoff water from pipe-storage areas may pose moderate problems 

 because of the large barren surfaces that are susceptible to erosion. The 

 water may carry a high load of pollutants if not intercepted and treated, 

 including contaminants from pipe-coating materials such as coal tar, 

 urethane, epoxy, silicone enamel, phenolic, and zinc. Separate collection 

 systems for stormwater and cooling and curing process water, with the 

 latter being treated, would reduce the severity of the impact (see SP-14). 

 Runoff rates and the quality of runoff water vary according to soil 

 properties, slope, and yard layout. 



Subproject: Solid Waste Disposal (SP-13) 



Disturbing Activity: Solid waste disposal 



Three major types of solid wastes may be generated by a pipe- 

 coating yard: packaging materials, mastic and cement or process 

 debris, and contaminated wastes. An estimated 5 to 10 tons of 

 wood and paper packaging wastes may be collected each month for 

 disposal [7]. Normally, metal waste will be collected and sold as 

 scrap. Concrete and mastic debris and fragments are not considered 

 to be a major problem because they are frequently reused in the 

 crating process. Solid wastes contaminated by chemicals from the mas- 

 tic coating (see SP-12 for ingredients) must be treated, incinerated, 

 or buried to prevent reentry of the contaminants into the air or water. 



Subproject: Industrial Wastewater Systems (SP-14 ) 



Disturbing Activity: Wastewater disposal 



The number of gallons of process water depends upon the produc- 

 tion capacity of the yard. Water may be supplied by local municipal 

 sources, or pumped from wells or from adjacent fresh (or slightly 

 saline) water bodies or rivers. The largest amounts of water 

 are used to cool the heated pipe sections after they are coated 

 with mastic (see SP-12 for ingredients) to make a whitewash mixture 

 of hydrated lime, and to mix with cement and aggregate (including 

 iron ore) to make the concrete for the outer coating. The final 



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