Professional Services Agreement - Indiana Finance Authority Indiana Brownsfield Program

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L�eq)trL twu_Re,�yuesi iaar Proposalsfiw 6;,ravidtanLLIma¢a'i Ac""'cssatelit. Undergroaand Skorrav Tank WM{c�arrval and �'cmcdiaii+;m Smices Y'Nra'Gt= 'tit� rw icc Su,,uion � raeihi% in South Bend. Indiana. �"acmo al l� 201 Page 8 ai a�a::� Ytaar�atNataot °^we� ' 1 �7 � � i. development methodology in accordance to Indiana Administrative Code 312 IAC 13-8-3(m) and allowed to stabilize for a minimum of 48 hours prior to sampling. During soil boring advancement and monitoring well installation activities, strict decontamination procedures will be followed to reduce the potential for cross -contamination. All drilling and down -hole sampling equipment will be decontaminated prior to first use onsite, and thereafter between uses. Decontamination will occur utilizing a high-pressure spray washer coupled with wash in an Alconox solution, followed by distilled water rinse. After completion of the installation of the groundwater monitoring wells, Heartland will sample the groundwater monitoring well network. Groundwater monitoring wells will be sampled utilizing IDEM approved low -flow sampling methodology. Low -flow sampling methodology will include a flow through sampling cell for measuring groundwater quality parameters (temperature, pH, conductivity, dissolved oxygen, oxygen reduction potential and turbidity). Depth to groundwater data will be collected from each monitoring well to properly evaluate groundwater flow direction at the site. Groundwater monitoring wells will be additionally gauged utilizing a Solinst Oil/Water Interface Probe to evaluate for the presence of any light non -aqueous phase liquids (LNAPLs). Groundwater samples from the groundwater monitoring wells will be submitted to Pace for laboratory analysis of VOCs using USEPA SW-846 Method 8260, PAHs using USEPA SW-846 Method 8270, lead using USEPA SW-846 Method 6010B and lead scavengers (if determined necessary) using USEPA SW-846 Method 8011. All groundwater samples collected will be placed on ice and delivered to Pace for laboratory analysis under Heartland chain -of -custody protocol. Laboratory QA/QC samples will be collected for these sampling events. The soil cuttings and purge water generated from the monitoring well installation and sampling activities will be contained in 55-gallon drums and disposed of appropriately within one (1) month of generation. Once the laboratory data has been received, Heartland will prepare a Groundwater Sampling Report for the site. The report will include field observations from the site sampling activities, a site plan illustrating groundwater monitoring well locations, groundwater flow direction maps, laboratory analytical results, comparison of the project data to the IDEM RCG default closure objectives, conclusions and recommendations. For budgetary purposes, Heartland is providing the IBP with a budget to conduct quarterly monitoring of the proposed groundwater monitoring well network for a period of two years (eight quarters). Heartland is further providing budgetary numbers for groundwater monitoring well abandonment activities, to be completed after the completion of the groundwater monitoring activities and the issuance of an NFA for the site.