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Showing 1 to 12 of 793 entries
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A field-based characterization of conductivity in areas of minimal alteration: A case example in the Cascades of northwestern United States.

The Science of the total environment

Cormier SM, Zheng L, Hayslip G, Flaherty CM.
PMID: 29472136
Sci Total Environ. 2018 Aug 15;633:1657-1666. doi: 10.1016/j.scitotenv.2018.02.018. Epub 2018 Feb 19.

The concentration of salts in streams is increasing world-wide making freshwater a declining resource. Developing thresholds for freshwater with low specific conductivity (SC), a measure of dissolved ions in water, may protect high quality resources that are refugia for...

Neighborhood sociodemographic effects on the associations between long-term PM.

Environmental epidemiology (Philadelphia, Pa.)

Weaver AM, McGuinn L, Neas L, Mirowsky J, Devlin RB, Dhingra R, Ward-Caviness C, Cascio WE, Kraus WE, Hauser ER, Di Q, Schwartz J, Diaz-Sanchez D.
PMID: 30882060
Environ Epidemiol. 2019 Feb;3(1). doi: 10.1097/EE9.0000000000000038.

INTRODUCTION: Exposure to PMMETHODS: We examined whether clusters of sociodemographic characteristics modified effects of long-term PMRESULTS: Compared to cluster 3 (OR 0.93, 95% CI 0.82-1.07; urban, low proportion of black individuals and high socioeconomic status), we observed greater associations...

Suspect screening and prioritization of chemicals of concern (COCs) in a forest-water reuse system watershed.

The Science of the total environment

Hedgespeth ML, Gibson N, McCord J, Strynar M, Shea D, Nichols EG.
PMID: 31386959
Sci Total Environ. 2019 Dec 01;694:133378. doi: 10.1016/j.scitotenv.2019.07.184. Epub 2019 Jul 13.

Much research has assessed organic chemicals of concern (COCs) in municipal wastewater and receiving waters, but few studies have examined COCs in land treatment systems. Many prior studies have implemented targeted methods that quantify a relatively small fraction of...

Monitoring the performance of urban green infrastructure using a tensiometer approach.

The Science of the total environment

Razzaghmanesh M, Borst M.
PMID: 30340189
Sci Total Environ. 2019 Feb 15;651:2535-2545. doi: 10.1016/j.scitotenv.2018.10.120. Epub 2018 Oct 11.

Little is known about how stormwater exfiltrates from green infrastructure and few efforts have been undertaken to address this question. This study used tensiometers to monitor water exfiltration from an aggregate-filled storage gallery installed under permeable pavement. An 80-space...

Identifying the PECO: A framework for formulating good questions to explore the association of environmental and other exposures with health outcomes.

Environment international

Morgan RL, Whaley P, Thayer KA, Schünemann HJ.
PMID: 30166065
Environ Int. 2018 Dec;121:1027-1031. doi: 10.1016/j.envint.2018.07.015. Epub 2018 Aug 27.

No abstract available.

Estimation of the proximity of private domestic wells to underground storage tanks: Oklahoma pilot study.

The Science of the total environment

Weaver JW, Murray AR, Kremer FV.
PMID: 28810511
Sci Total Environ. 2017 Dec 31;609:1589-1599. doi: 10.1016/j.scitotenv.2017.06.124. Epub 2017 Aug 08.

For protecting drinking water supplies, the locations of areas with reliance on private domestic wells (hereafter referred to as "wells") and their relationship to contaminant sources need to be determined. A key resource in the U.S. was the 1990...

Source apportionment of polycyclic aromatic hydrocarbons (PAHs) in small craft harbor (SCH) surficial sediments in Nova Scotia, Canada.

The Science of the total environment

Davis E, Walker TR, Adams M, Willis R, Norris GA, Henry RC.
PMID: 31325853
Sci Total Environ. 2019 Nov 15;691:528-537. doi: 10.1016/j.scitotenv.2019.07.114. Epub 2019 Jul 11.

Multiple source apportionment approaches were employed to investigate PAH sources which contribute to small craft harbor (SCH) sediments in Nova Scotia (NS), Canada. A total of 580 sediment samples were analyzed using PAH diagnostic ratios, Unmix Optimum receptor modeling,...

Microelectrode Investigation on the Corrosion Initiation at Lead-Brass Galvanic Interfaces in Chlorinated Drinking Water.

Langmuir : the ACS journal of surfaces and colloids

Ma X, Lytle DA, Lee WH.
PMID: 31498996
Langmuir. 2019 Oct 08;35(40):12947-12954. doi: 10.1021/acs.langmuir.9b02168. Epub 2019 Sep 20.

In this study, the effects of pH, dissolved inorganic carbon (DIC), and flow on changes in surface chemistry (pH, dissolved oxygen, and free chlorine) of lead-brass joints at initial stages of corrosion were investigated using microelectrodes. Surface measurements showed...

Long-term effects of three types of permeable pavements on nutrient infiltrate concentrations.

The Science of the total environment

Razzaghmanesh M, Borst M.
PMID: 30921721
Sci Total Environ. 2019 Jun 20;670:893-901. doi: 10.1016/j.scitotenv.2019.03.279. Epub 2019 Mar 19.

There is limited information about long-term effects of permeable pavement parking lots on concentrations of nutrients in infiltrates. A 0.40-ha parking lot that contained three types of permeable pavement including permeable interlocking concrete pavement (PICP), porous asphalt (PA) and...

The valid transfer of .

Notulae algarum

Rarick J, Wu S, Lee SS, Edlund MB.
PMID: 32042400
Not Algarum. 2017 Jul 18;29:1-3.

No abstract available.

Studies of radiation health effects inform EPA actions.

Journal of radiological protection : official journal of the Society for Radiological Protection

Pawel D, Boyd M.
PMID: 31085816
J Radiol Prot. 2019 May 14;39(4):S40-S57. doi: 10.1088/1361-6498/ab2197. Epub 2019 May 14.

In 1970, the US Environmental Protection Agency (EPA) was given the responsibility to provide guidance to other federal agencies in the formulation of radiation protection standards. To carry out its federal guidance responsibilities and protect human health, the EPA...

A review of measurements of air-surface exchange of reactive nitrogen in natural ecosystems across North America.

The Science of the total environment

Walker JT, Beachley G, Zhang L, Benedict KB, Sive BC, Schwede DB.
PMID: 31499348
Sci Total Environ. 2020 Jan 01;698:133975. doi: 10.1016/j.scitotenv.2019.133975. Epub 2019 Aug 21.

This review summarizes the state of the science of measurements of dry deposition of reactive nitrogen (Nr) compounds in North America, beginning with current understanding of the importance of dry deposition at the U.S. continental scale followed by a...

Showing 1 to 12 of 793 entries