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� GEORGE DEUKMEJIAN, Gcwmoi <br /> SATE OF CALIFORNIA—HEALTH AND WELFARE GENCY <br /> DEPARTMENT OF HEALTH SERVICES RECEIVED � <br /> TOXIC SUBSTANCES CONTROL PROGRAM ,14 / <br /> REGION 1 <br /> 10151 CROYDON WAY OCT 2 3 1990 <br /> SACRAMENTO,CA 958272106 <br /> (916) 655-7700 ENVIRONM �{EAM' ly;;, <br /> Mr. David Bates PERMI j ES <br /> Chief Production Engineer <br /> The Marley Cooling Tower Company <br /> 5800 Foxridge Drive <br /> Mission, Kansas 66201 <br /> Dear Mr. Bates: <br /> REVIEW COMMENTS ON SUBMITTALS FOR REMEDIATION OF PIPES & <br /> CULVERTS <br /> The attached memorandum contains the Department' s comments on <br /> the Specifications and Documents, dated August 1990, and the <br /> Health and Safety Plan, dated September 5, 1990, submitted <br /> on behalf of the Marley Cooling Tower Company (MCTC) and <br /> pursuant to the June 29 , 1990, Remedial Action Plan (RAP) . <br /> The primary deficiencies noted pertain to air monitoring and <br /> review of (residential) remedial action plans with property <br /> owner(s) . The Department understands that measures to eliminate <br /> dust emissions during excavation will be implemented, however, <br /> without monitoring ambient conditions, the effectiveness Of <br /> the controls cannot be evaluated. Ambient air monitoring as <br /> presented in the attached memorandum will therefore be required. <br /> Additionally, because chromium exposure standards vary, an <br /> assumption will be made that analytical results represent <br /> carcinogenic chromium (VI) . Should chromium species be <br /> differentiated, exposure assessments could be adjusted. <br /> In regards to reviewing remedial plans with residential property <br /> owners, the Department requests that a representative of our <br /> office be present at review meetings. Copies of correspondences <br /> relating to this matter should also be forwarded to our office. <br /> Because of the limited scope of revisions required, an addendum <br /> to the documents addressing comments can be submitted. Submittal <br /> of the addendum must be on or before November 6, 1990. <br /> If you have any questions regarding the above, please contact me <br /> or Jim Austreng, Project Manager, at (916) 855-7857 . <br /> Sincerely, <br /> Donn L. Diebert, P.E. <br /> Chief, NPL Unit <br /> Enclosure <br /> cc: next page <br />