Bureau of Mines / Minerals yearbook: Metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)
MacMillan, Robert T.
Salt, pp. 1093-1102 PDF (925.1 KB)
1093Salt By Robert T. MacMillan1 Production of salt in 1972 declined slightly ' for the second consecutive year following a 12-year period of steady growth. The quantity actually sold or used by producers, however, increased 2% compared with the 1971 figures. This increase was attributed to a large inventory of unused rock salt carried over from the previous year. The average value of salt sold or used in 1972 declined 4% compared with the 1971 value. Exports increased 30% in quantity and 33% in value compared with correspond- ing 1971 figures. Imports, however, declined 10% in quantity and 17% in value. Legislation and Government Programs. —Tightened antipollution standards set by Federal and State environmental pollution control agencies resulted in the final closing of Olin ' Corp.'s chlorine-caustic soda plant, Virginia's lone salt producing company. The cost of modernizing the plant to meet more stringent effluent standards was considered too high, and pToduction was phased out early in 1972. Table 1.—Salient salt statistics (Thousand short tons and thousand dollars) 1968 1969 1970 1971 1972 United States: Production Soldorusedbyproducers Value Exports Value.~ Imports for consumption Value Consumption, apparent World: Production NA 41,274 272,275 728 4,650 3,456 11,487 44,002 138,426 NA 44,245 287,680 716 4,486 3,302 11,990 46,831 150,495 ' 46,764 ' 45,896 304,759 423 3,657 3,536 13,329 49,009 161,081 ' 44,700 ' 44,077 303,687 670 4,182 3,855 14,429 47,262 158,931 ' 44,010 ' 45,022 296,772 869 5,544 3,463 11,979 47,616 162,560 NA Not available. ' Excluding Puerto Rico; 32,000 short tons (1970), 28,500 short tons (1971) and 29,000 short tons (1972). DOMESTIC PRODUCTION Seventeen States recorded salt production in 1972. The two leading States, Louisiana and Texas, produced 52% of the total output. Ohio, New York, and Michigan contributed 36%. Salt was produced by 54 companies at 96 plants in the United States and Puerto Rico in 1972. Eleven companies, each producing more than 1 million tons in 1972, operated 42 plants and accounted for 85% of the total salt output. Eighteen companies with a production of less than 1 million tons but more than 100,000 tons operated 28 plants and accounted for 14% of the total production. Twenty-five other companies whose mdi- vidual production was less than 100,000 tons operated 26 plants and supplied the remaining 1% of the total salt output. Fifteen plants, each with a production of over 1 million tons, accounted for 64% of the total salt output. Ten plants, each producing between 500,000 and 1 million tons, accounted for 14% of the total. The remaining 22% was supplied by 71 plants. A trend toward consolidation in the salt industry continued with Solar Salt Co. of Utah being sold to American Salt Corp. Dakota Salt Co. of North Dakota was ac1 Physical scientist, Division of Nonmetallic Minerals.
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