Table 8. Siting considerations and potential pollutants from OCS and gas de- 

 velopment and onshore service bases (Adapted from New England River Basins 

 Commission 1976b). 



Categories or elements 



Economic requi rements/pol 1 utants 



Siting considerations 



Land Temporary base 

 Permanent base 



Berthage 



Transportation 



Economic 



Economic base 

 Labor 



Wages 



Capital investment 



Type of pollution 

 Air emission 



Wastewater contaminants 



Sol id wastes 



Noise 



2-6 ha (5-15 acres) 

 10-40 ha (25-100 acres) 



61-183 m (200-600 ft) water frontage 

 5-6 m (15-20 ft) water depth 



Air-heliport very close proximity 

 Water-excellent vessel accessibility 

 Rail-desirable 

 Road-adequate accessibility 



Cost of land 



Proximity to related industries 



50-60 jobs/platform during drilling 

 20-30 jobs/platform during production 



$750,000-$l,000,000/year 



Temporary base 

 Permanent base 

 $5 mill ion 



$200,000-$300,000 

 $2 million- 



Hydrocarbons 

 Carbon monoxide 

 Nitrogen oxides 



Hydrocarbons 

 Heavy metals 



Up to 6 tons/d during drilling 

 Hazardous wastes 



Up to 100 dBA on a 24-hour basis 

 (measure of the intensity of sound) 



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