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The company was a family owned business that operated since the late 1930s until 2009. [ 5 ] [ 6 ] In December 1983, a partially below-ground storage tank holding approximately 3,640 gallons of chromic acid plating solution containing approximately 5,400 pounds of chromium failed, leaking the solution directly into the groundwater underneath.
Anodizing can also be performed in borate or tartrate baths in which aluminium oxide is insoluble. In these processes, the coating growth stops when the part is fully covered, and the thickness is linearly related to the voltage applied. [6] These coatings are free of pores, relative to the sulfuric and chromic acid processes. [6]
This list of California companies includes notable companies that are, or once were, headquartered in California. Companies based in California. 0–9 ...
Searles Valley Minerals plant in Trona, California. Searles Valley Minerals Inc. is a raw materials mining and production company with corporate offices in Overland Park, Kansas. It is owned by the Indian company Nirma. [1] [2] It has major operations in the Searles Valley centered in Trona, California where it is the town's largest employer.
This is a list of current and former companies based in the San Francisco Bay Area, broken down by type of business. Fortune 500 rankings are indicated in parentheses. As of 2020, 38 Fortune 500 companies had headquarters in the San Francisco Bay Area.
[2] [3] Processes for producing anodic aluminum oxide membranes using chromic acid, sulfuric acid, oxalic acid, or phosphoric acid appear in a patent attributed to Alan W. Smith of the Boeing Company in 1974. [4] The formation of AAO with highly ordered 2D hexagonal porous structure was first demonstrated in 1995. [5]
Note: the following categories currently do not exist, but may be (re-)created as needed: [Category:Companies based in Colusa County, California], [Category:Companies based in Modoc County, California], [Category:Companies based in Plumas County, California], [Category:Companies based in Sierra County, California], [Category:Companies based in Tuolumne County, California].
Pages in category "Lists of companies based in California" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. ...