Learn the Issues
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EPA in Maryland
Portal for news and information about EPA's efforts in Maryland and MD environmental conditions.
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The answer to question 11 of Section F states that RFG produced by adding oxygenate to RBOB in the compartment of a truck is one batch and that each compartment must be given a different batch number. Section 80.69(c)of the regulations states "other than a truck delivering gasoline to retail outlets or wholesale purchaser-consumer facilities," which clearly indicates that retail delivery trucks are not included in the same class as storage tanks. Neither section 80.69(d) nor 80.69(e) require designation of compartments or even truck loads as separate batches and only sampling and oversight are required in section (e). It would appear that the Q and A document is in direct conflict with the July 1, 1994 memo signed by K. Stein, C. France, and M. Smith which states that the Q and A does not alter the requirements of the regulations.
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . It is assumed that the question and answer referred to is #10 of Section VI. F. of the July 1, 1994 "Reformulated Gasoline and Anti-Dumping Questions and Answers" document. EPA's response does not add or alter the requirements…
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Although min/max standards do not apply to sulfur, olefins and T90, these parameters are regulated for both conventional and RFG. What tolerances will be available for these parameters?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Under the simple model only oxygen and benzene, and RVP in the case of VOC-controlled RFG, will involve downstream EPA testing for enforcement purposes. EPA has not set enforcement tolerances for standards that apply at the refinery or…
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Although California gasoline is exempted in general, are there compliance requirements that would necessitate independent sampling and testing in that state?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . Yes. Section 80.81(b)(2) provides an exemption from the independent analysis requirements of § 80.65(f) for California gasoline, as defined in § 80.81(a)(2). Reformulated gasoline that does not meet this definition (e.g., RFG that is produced in California but…
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Fact Sheet for the Fee Rule
Information on fees related to the lead Renovation, Repair and Painting rule.
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Managing Air Quality - Air Quality Modeling
Air quality modeling is a mathematical simulation of how air pollutants disperse and react in the atmosphere to affect ambient air quality.
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Certification of Laboratories that Analyze Drinking Water Samples to Ensure Compliance with Regulations
Provides information to advance the protection of drinking water (one of EPA’s strategic goals) by ensuring drinking water compliance samples are analyzed by certified or accredited laboratories.
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Investigating for Possible Contamination in Norwood, Pennsylvania
Up-to-date information on EPA's site assessment in Norwood, Pennsylvania.
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San Antonio Lead Site Community Meeting, March 2025
A community meeting on March 25, 2025, to discuss questions about current site activities and property sampling requests that will be proposed at the San Antonio Lead site in New Mexico.
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Testimony PDF documents for the 114th Congress - 2nd Session
This page will hold testimony statements for year 2016 Second session of the 114th Congress
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LaPlace, Louisiana - Preliminary Air Sampling
Preliminary air sampling data for chloroprene in LaPlace, LA
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Testimony PDF documents for the 114th Congress -1st Session
This page will hold testimony statements for year 2015 First session of the 114th Congress
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Enhancing Coordination and Communication with States on Review and Approval of Aquifer Exemption Requests Under SDWA
The memorandum in the link provided is for Underground Injection Control (UIC) program managers and is intended to promote a consistent and predictable process for the review of aquifer exemption requests under the Safe Drinking Water Act (SDWA).
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Data Center Optimization Initiative
EPA Data Center Optimization Initiative Strategic Plan Final
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Mercury
Basic information about mercury, how it gets in the air, how people are exposed to it and health effects associated with exposure; what EPA and other organizations are doing to limit exposures; and information about products that contain mercury
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Biosolids
Explore key documents and learn about the scientific basis for biosolids management, including application to soils.
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Targeting Nitrogen Hotspots
The problem of nitrogen pollution throughout the SNEP region is multi-faceted. Active nitrogen has cumulative downstream effects that can lead to algal blooms, fish kills, and environments with too little oxygen to support healthy ecosystems.
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SDWIS Search User Guide
The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations.
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Quarterly Webinar for National Emphasis Area (NEA) Grantees
Webinar for regional P2 coordinators.
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Tips for Preventing Pollution
Trifold brochure to print out and keep handy with many tips to help prevent pollution.