{"id":17787,"date":"2017-06-07T23:05:02","date_gmt":"2017-06-08T03:05:02","guid":{"rendered":"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/?page_id=17787"},"modified":"2022-01-25T13:26:03","modified_gmt":"2022-01-25T18:26:03","slug":"compliance-averaging","status":"publish","type":"page","link":"https:\/\/askesa.com\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/","title":{"rendered":"Case Study: Compliance Averaging"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;18506&#8243; img_size=&#8221;full&#8221; qode_css_animation=&#8221;&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<\/p>\n<h3>Project Summary<\/h3>\n<p>ESA was retained to address presumed Historic Fill soil impacts at a 5.5-acre property in Hudson County, New Jersey.\u00a0 The property had historically been used for commercial and industrial purposes since its development in the Mid-1800s. Environmental investigations had previously detected arsenic and lead, metals that are typically related to Historic Fill, across the property.<\/p>\n<p>&nbsp;<\/p>\n<h3>Challenges<\/h3>\n<p>ESA\u2019s client purchased the property in the 1980s and rented the warehouse to various storage and warehousing operations.\u00a0 Environmental Investigations were not conducted by ESA\u2019s client at that time. In 2017, the client entered into contract to sell the property, at which time the Industrial Site Restoration Act (ISRA) was triggered.\u00a0 As a result, client was required to complete a Preliminary Assessment (PA) to determine if potential areas of environmental impacts were present; however, since a PA was not completed when the client first purchased the property in the 1980s, the PA was required to cover all activities and operations presently and historically conducted on the property.<\/p>\n<p>&nbsp;<\/p>\n<p>The PA identified several areas of concern (AOCs) that required soil and\/or groundwater sampling to determine if environmental impacts were present. Therefore, ESA initiated a Site Investigation (SI) to determine the severity of these impacts, if any.\u00a0 The results of the SI showed that there were arsenic and lead concentrations above NJDEP limits present on the site, but evidence of Historic Fill as defined by NJDEP was only confirmed in one localized area. Typically, if Historic Fill is identified on a property, the Responsible Party (RP) will utilize engineering and institutional controls (capping and Deed Notice) to manage the material. Given the size of the property involved, capping of the entire property would be cost-prohibitive.\u00a0 In addition, since Historic Fill was only identified in one localized part of the site, site-wide capping was also unnecessary.<\/p>\n<p>&nbsp;<\/p>\n<h3>ESA\u2019s Solution<\/h3>\n<p>In an effort to obviate the need to cap the entire site and establish a site-wide Deed Notice, ESA researched the feasibility of using an alternative strategy known as \u2018compliance averaging.&#8217;\u00a0 This method of compliance breaks the property into horizontal and vertical sample \u2018zones\u2019 through the use of Thiessen Polygons and GIS mapping. The zones are each assigned to a Functional Area (FA) and, if the contaminant concentrations of the zones yield an overall FA contaminant concentration average that is below NJDEP cleanup standards, the entire FA is relieved of having to implement engineering and institutional controls for that particular contaminant.<\/p>\n<p>&nbsp;<\/p>\n<h3>Outcome<\/h3>\n<p>Due to a contaminant hotspot of arsenic and lead in a 0.25-acre part of the property and relatively low arsenic and lead concentrations elsewhere, ESA determined that the implementation of a compliance averaging strategy could significantly reduce the amount of engineering and institutional controls required.\u00a0 After a review of the compliance averaging results, ESA was able to reduce the size of the cap and deed notice to a 2-acre parcel that was centered around the arsenic and lead hotspot. The end result was a savings 60% in environmental costs to the client.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221;][vc_column][vc_empty_space height=&#8221;20px&#8221;][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;18506&#8243; img_size=&#8221;full&#8221; qode_css_animation=&#8221;&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text] Project Summary ESA was retained to address presumed Historic Fill soil impacts at a 5.5-acre property in Hudson County, New Jersey.\u00a0 The property had historically been used for commercial and industrial purposes&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":17789,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":"","footnotes":""},"class_list":["post-17787","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Case Study: Compliance Averaging &#8212; ESA Environmental Consultants<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Case Study: Compliance Averaging\" \/>\n<meta property=\"og:description\" content=\"[vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;18506&#8243; img_size=&#8221;full&#8221; qode_css_animation=&#8221;&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text] Project Summary ESA was retained to address presumed Historic Fill soil impacts at a 5.5-acre property in Hudson County, New Jersey.\u00a0 The property had historically been used for commercial and industrial purposes...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/\" \/>\n<meta property=\"og:site_name\" content=\"ESA Environmental Consultants\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ESAEnvironmental\" \/>\n<meta property=\"article:modified_time\" content=\"2022-01-25T18:26:03+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/\",\"url\":\"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/\",\"name\":\"Case Study: Compliance Averaging &#8212; 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ESA Environmental Consultants","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/","og_locale":"en_US","og_type":"article","og_title":"Case Study: Compliance Averaging","og_description":"[vc_row css_animation=&#8221;&#8221; row_type=&#8221;row&#8221; use_row_as_full_screen_section=&#8221;no&#8221; type=&#8221;full_width&#8221; angled_section=&#8221;no&#8221; text_align=&#8221;left&#8221; background_image_as_pattern=&#8221;without_pattern&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_single_image image=&#8221;18506&#8243; img_size=&#8221;full&#8221; qode_css_animation=&#8221;&#8221;][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text] Project Summary ESA was retained to address presumed Historic Fill soil impacts at a 5.5-acre property in Hudson County, New Jersey.\u00a0 The property had historically been used for commercial and industrial purposes...","og_url":"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/","og_site_name":"ESA Environmental Consultants","article_publisher":"https:\/\/www.facebook.com\/ESAEnvironmental","article_modified_time":"2022-01-25T18:26:03+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/","url":"https:\/\/cjs.tqa.temporary.site\/website_34d9c6f0\/who-we-are\/case-studies\/compliance-averaging\/","name":"Case Study: Compliance Averaging &#8212; 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