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This paper describes how the California Department of Health Services becameinvolved in N-Nitrosodimethylamine (NDMA) shortly after conducting monitoringfor perchlorate in groundwaters near sites that used solid rocket fuel. A newlaboratory method had to be developed after the Department established anaction level of 0.002 ug/L, which was at least an order of magnitude lower thanexisting detection levels. An occurrence study was conducted and severalpossible causes for the presence of NDMA were postulated. The Departmenthas approved several ultraviolet (UV) treatment facilities for NDMA. The Department revisedthe action level to 0.01 ug/L. The Department is concerned over othernitrosoamine compounds, but laboratory methodology needs to be developed. Includes 7 references, tables.

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Edition: Vol. - No. Published: 06/15/2003 Number of Pages: 12 File Size: 1 file , 260 KB