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HomeMy WebLinkAbout95.Item 4 PPP LaPA 09-11-17 - Dental Amalgam PresentationDENTAL AMALGAM PROGRAM ENVIRONMENTAL SERVICES DEPARTMENT Roya Sohanaki Engineering Manager Resource Protection Division Dental Amalgam •Amalgam is one of the most commonly used tooth fillings •Often called the “silver filling” •Mixture of mercury, silver, tin, copper, zinc, and other metals Why Dental Offices? •Main source of mercury discharged to treatment plants•Discharge ~5.1 tons of mercury yearly •Mercury is released to the environment Who Is Impacted and How? Exempt Dental Offices •Who:dental offices not placing or removing amalgam •Obligation:submit a one-Time Compliance Report certifying exempt Who Is Impacted and How? Limited Dental Offices •Who:dental offices not placing or removing amalgam except on an emergency or limited basis •Obligation:submit a one-Time Compliance Report certifying exempt Who Is Impacted and How? Regular –New Dischargers •Who:started sewer discharge on or after July 14, 2017 •Obligations: •install an amalgam separator •submit a One-Time Compliance Report •follow two Best Management Practices Who Is Impacted and How? Regular –Existing Dischargers •Who:discharged before July 14, 2017 •Obligations: •No Amalgam Separator: •install one by 2020 •submit a One-Time Compliance Report by 2020 •Have an Amalgam Separator: •use the separator but replace it either by 2027 or when it breaks •submit a One-Time Compliance Report OCSD’s Obligations •OCSD is responsible for oversight of the rule and must “receive, review, and retain” the submitted compliance reports •What has OCSD done already? •established a system to gather and save the data electronically •developed a page on www.ocsd.com •In addition, OCSD is •reaching out to the Orange County Dental Society, •creating a database of dentists, and •establishing a system for receiving and responding to questions (askTAC Help Desk) ENVIRONMENTAL SERVICES DEPARTMENT QUESTIONS? DENTAL AMALGAM PROGRAM