Document 4v9d4pYVVLkGp6VR9GvXLjjx1

AR226-2341 FL^oP^M^S. Item 10: Monitoring Fluoropolymers EPA Data Needs; (Draft 9-21-03) Diata Need LOI Commitment Manufacturing Releases Data on releases to air, water, wastewater, landfill leachate Information on release of PFOA to air, water, wasiewater, liindfill lenchiile from mnnufacturing facilities Continued monitoring of releases Manufacturing Sites Concentration of PFOA in air, surface water, groundwater, soil, biota, wastewater, landfill leachace at manufacturing facilities Surface water, groundwater, wastewater. landfill leachate concentrations at manufacturing sites Limited biota data Modeling ofPPOA in air Additional data needs beyond LOI EPA Proposal to Address Data Needs Manufacturing none Monitored concentrations of PFOA in air, soil, additional biota Screening level monitoring ofPPOA in air to quantify concentration and extent Screening level monitoring of PFOA in biota (eg. fish and oth aquatic species, plants, herbivores, avian, terrestrial species) a manufacturing facilities -1- Item 10: Monitoring - Fluoropolymers EPA Data Needs: (Draft 9-21-03) Data Need Off Site fi om ManufacI uring Concentration of PFOA in iHr, surface witer, groundwa |er, soil, and biota i lown gradient fibrn manufacti.ring facilities LOI Commitment PPOA concentrations in surface water and groundwater from manufacturing sites Additional data needs beyond LOI Monitored concentrations of PPOA in air, soil, additional biota Limited biota data Modeling of air contamination EPA Proposal to Address Data Needs Monitoring of PFOA in air to quantify concentration an of off site contamination Additional groundwater monitoring, similar to Washing Works, to quantify PFOA in groundwater offsite conta at additional manufacturing sites. Groundwater sampl be collected to determine the extent and level of contam away from the site Soil sampling for PPOA to quantify and determine exte site soil contamination Monitoring additional biota for PFOA (plants, herbivo avian terrestrial species, fish and other aquatic species) manufacturing facilities -2- Item 10: Monitoring - Fluosjopolymers EPA Data Needs: (Draft i-21-03) Data Need Use Releases Information on release of PFOA to air, water, wastewater, sludge from use facilities LOI Commitment Additional data needs beyond LOI Use Composite information on process releases from user facilities representing different use industries Modeling of releases from user facilities (carpet initially) Monitoring data on release of PPOA to air. water, wastewater, sludges from processing/use facilities EPA Proposal to Address Data Needs Screenin i, level monitoring studies to measure PFOA relea to air, w ter, wastewater, and sludges at representative use sites. Number at sites should be sufficient to allow preliminary assessmi nt of releases associated with different use indust Monitor ng should be sufficient to provide baseline data to allow qu mtification reduction in environmental releases o time. I or industries that are clustered fewer sites should needed. Data Nee ] LOI Commitment . Use Sites Concentn 1 on of PPOA in * surface w i er, grounclwa :i r, soil, biota was (water, landfill Ie . hate at processin ; use facilities " Modeling of air, soil, groundwater concentrations Off Site f Dm Use Concentri PFOA in surface w groundwa and biota gradient f facilities ion of r. er, ;r, soil, own im use Modeling of air, soil, groundwater concentrations Item 10: M< nitoring Fluoropolymers EPA Data Needs: (Draft 9-21-03) Additional dat i needs beyond .01 Measured concentrations f PPOA in air, si rface water, grounds ater, wastewater, soi , sludges biota a use facilities EPA Proposal to Address Data Needs Screening level monitoring studies at facilities representati different user industries. Initially 5-10 "Worse case" sites associated with each use industry should be selected for monitoring similar to that d at manufacturing facilities. Monitoring should be designed provide scoping baseline data to inform future site selectio needed, and to allow qualification efforts to reduce release Number of sites and locations dependant on information ab number and location of user facilities Measured concentrations n air, surface wa er, groundwater, wastewater, so , sludges, biota ( own gradient from i se facilities Monitoring data should be collected sufficient for screenin level characterization of PFOA concentrations in environm media at the site and released from the site. Screening leve study design is site/industry dependant, but may include: 5 surface water samples upstream, at the site, and downstream 20 wells with quarterly groundwater sampling, 5-10 air sam monthly wastewater sampling, quarterly sludge sampling if discharges go to POTW, 20-50 soil samples, 20-50 biota samples Surface water, groundwater wastewater, air, soil, biota (pla herbivores, avian terrestrial species) monitoring studies aro use facilities Data to characterize environmental concentration away fro site and to identify limit of environmental contamination Wastewater and sludges from POTWs receiving discharge user facilities should be included -4-