Science & Technology

Re: Demand for Correction under the Information Quality Act: 2009 Study regarding Synthetic Fields and Playgrounds

Request for the EPA to rescind its report regarding the safety of artificial turf

Status of RFC 12003 to Mr Kovacs

Letter to Mr Kovacs notifying that a draft response to RFC 12003 is undergoing internal agency review.

Initial Request for Correction 12001 Analyses Associated with the Impact of Biofuels

Status update regarding EPA response to Request for Correction 12001, informing that EPA is currently conduction an internal review of the draft process.

RE: Request for Correction 10005 Study Associated with Toxicological Review of Methanol: In Support of Summary Information on the IRIS External Peer Review Draft.

Letter from Gregory Dolan to Monica Jones requesting description of planned review process for the IRIS Methanol Toxilogical Review.

Response to Request for Correction 10001

Reponse to the Phthalate Esters Panel of the American Chemistry Council, in which the EPA concludes that the underlying information and conclusions presented in the Phthalates Action Plan are objective and of high quality.

Part 75 Emissions Monitoring Technical Questions and Answers

Provides clarification on the requirements of 40 CFR Part 75 through a series of questions and answers that can be used by units to monitor mass sulfur dioxide emissions, mass carbon dioxide emissions, nitrogen oxide rate and heat input.

SW-846 Test Method 9074: Turbidimetric Screening Method for Total Recoverable Petroleum Hydrocarbons in Soil

method that may be used to screen soil samples to determine the total amount of recoverable petroleum hydrocarbon contamination in soil

SW-846 Test Method 9036: Sulfate (Colorimetric, Automated, Methylthymol Blue, AA II)

automated method applicable to ground water, drinking and surface waters, and domestic and industrial wastes

SW-846 Test Method 9065: Phenolics (Spectrophotometric, Manual 4-AAP with Distillation)

method applicable to the analysis of ground water, drinking, surface, and saline waters, and domestic and industrial wastes

SW-846 Test Method 9057: Determination of Chloride from Hydrogen Chloride and Chloride Emission Sampling Train (Methods 0050 and 0051) by Anion Chromatography

method for determining hydrogen chloride and chloride in stack gas emission samples collected from hazardous waste and municipal waste incinerators

SW-846 Test Method 9038: Sulfate (Turbidimetric)

method applicable to ground water, drinking and surface waters, and domestic and industrial wastes for all concentration ranges of sulfate

SW-846 Test Method 9021: Purgeable Organic Halides (POX)

method to determine organically bound halides (chloride, bromide, and iodide) purged from a sample of drinking water or ground water

SW-846 Test Method 9014: Cyanide in Waters and Extracts Using Titrimetric and Manual Spectrophotometric Procedures

method used for measuring free (non-complexed) cyanide and hydrocyanic acid in drinking water, natural surface waters, domestic and industrial wastewaters, and in soil extracts

SW-846 Test Method 8535: Screening Procedure for Total Volatile Organic Halides in Water

method for a colorimetric screening procedure that may be used to analyze water samples for total volatile organic halides (volatile halogenated organic compounds)

SW-846 Test Method 8520: Continuous Measurement of Formaldehyde in Ambient Air

method applicable to the continuous measurement of formaldehyde in ambient air

SW-846 Test Method 8510: Colorimetric Screening Procedure for Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) and Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX) in Soil

method for a colorimetric screening procedure that may be used to determine the presence of the following RCRA compounds in soil samples

SW-846 Test Method 8261: Volatile Organic Compounds by Vacuum Distillation in Combination with Gas Chromatography/Mass Spectrometry (VD/GC/MS)

method used to determine the concentrations of volatile organic compounds in a variety of liquid, solid, and oily waste matrices, as well as animal tissues