Learn the Issues
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EPA Celebrates 20 Years of Superfund Redevelopment
Since 1999, EPA has helped communities turn Superfund sites into new parks, shopping centers, athletic fields, wildlife sanctuaries, manufacturing facilities, solar farms, residences, and new roads and infrastructure centers
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Fix A Leak Week Campaign Summaries
Household leaks can waste more than 1 trillion gallons of water annually nationwide, so each year we hunt down the drips during Fix a Leak Week.
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Brownfields in EPA Region 4
About EPA Region 4 (Southeast) Brownfields
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About Acute Exposure Guideline Levels (AEGLs)
Describes AEGL and how they are used for emergency response activities
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Background Information: Ethylene Oxide in Willowbrook, IL
Background information requested by community in advance of meeting on 11.29.2018
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Turfgrass and Water Efficiency
There are several common types of turfgrass and different cultivars that fall within each type.
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Can ether RFG and alcohol RFG be mixed outside the VOC season provided the substantially similar requirements are not violated.
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . VOC-controlled RFG produced with ethanol cannot be mixed with VOC-controlled any-oxygenate RFG from January 1, through September 15 at any point in the distribution system, including at retail outlets and wholesale-purchaser consumers facilities. (7/1/94) This question and answer…
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WaterSense Labeled Controllers
With proper installation, programming, and maintenance, homeowners and businesses can use WaterSense labeled controllers instead of standard clock-timer controllers on their existing systems, and no longer worry about wasted water.
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Quarterly Progress Report # 18
On behalf of ERP Compliant Coke, LLC (ERP Coke), Terracon Consultants, Inc. (Terracon) has prepared Quarterly Progress Report #18 for the work completed from January 1, 2017 to March 31, 2017.
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Quarterly Progress Report # 17
On behalf of ERP Compliant Coke, LLC (ERP Coke), Terracon Consultants, Inc. (Terracon) has prepared Quarterly Progress Report #17 for the work completed from October 1, 2016 to December 31, 2016.
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Quarterly Progress Report # 16
On behalf of ERP Compliant Coke, LLC (ERP Coke), Terracon Consultants, Inc. (Terracon) has prepared Quarterly Progress Report #16 for the work completed from July 1, 2016 to September 30, 2016.
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Approaches for Expressing and Resolving Differing Scientific Opinions
EPA Policy on Differing Scientific Opinions
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Reporting and Protections
Information on how to seek informal advice or formally report allegations. Details and links to Whistleblower Protections. Contact information for the Scientific Integrity Official, Office of Inspector General, and Office of General Counsel.
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Authorship Best Practices
Authorship Best Practices
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Policies and Practices
Scientific integrity policies and practices including Scientific Integrity Policy, Differing scientific opinions, Authorship best practices, Coordination Procedures with OIG in relation to Misconduct, Clearance best practices, and links to outside policies
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Are there different RBOBs for ethanol than for MTBE? Kindly list the types of RBOBs with all the acceptable oxygenates or ethers for each RBOB.
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes. The generic RBOB types are as follows: "Any oxygenate," "Any renewable oxygenate," "Any ether," "Any renewable ether," and "Non-VOC controlled renewable ether only." There are several legal oxygenates which may be blended with the various types of…
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Are specialty batches of gasoline (e.g. test fuels for the Auto-Oil research program) included in the baseline? Or are they considered "not introduced into commerce"?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Specialty batches of gasoline in very limited volumes may be interpreted to be "not introduced into commerce," subject to EPA approval. (7/1/94) This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and…
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Are sampling requirements based on 50% of volume or on one-half of the number of batches?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Sampling requirements are based on the number of batches, not the volume, over a minimum of six months. (7/1/94) This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1…
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Would it be permissible to combine (i.e., commingle) any-oxygenate RBOB with an RBOB designated for blending with 10 vol% denatured ethanol, provided the new RBOB (resulting from the combination) is designated for blending with 10% denatured ethanol?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Section 80.78(a)(7) provides that "no person may combine any reformulated gasoline blendstock for oxygenate blending with any other gasoline, blendstock, or oxygenate...," and § 80.78(a)(7)(ii), states that an RBOB may be combined with "other RBOB for which the…
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Would it be permissible to send a manual to downstream parties detailing the minimum and maximum values and requirements of each standardized product code (including different product codes for the difference minimum and maximum standards that would apply
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . It would be permissible to use codes to represent all required PTD information except for the statements required under § 80.106(a)(1)(vii) and (b) for conventional gasoline and certain conventional blendstocks. The response to Question 4 of the Product…