Last edited by Zulukasa
Saturday, April 18, 2020 | History

3 edition of Ambient monitoring of benzo-a-pyrene (B[a]P) emissions at two oil refineries found in the catalog.

Ambient monitoring of benzo-a-pyrene (B[a]P) emissions at two oil refineries

Ambient monitoring of benzo-a-pyrene (B[a]P) emissions at two oil refineries

Energy Institute research report.

by

  • 213 Want to read
  • 20 Currently reading

Published by Energy Institute Press in London .
Written in English

    Subjects:
  • Petroleum refineries -- Environmental aspects -- Great Britain,
  • Benzopyrene,
  • Air -- Pollution -- Great Britain -- Measurement

  • Edition Notes

    ContributionsEnergy Institute (Great Britain), Great Britain. Environment Agency.
    Classifications
    LC ClassificationsTD195.P4 A47 2008
    The Physical Object
    Paginationvi, 9 p. :
    ID Numbers
    Open LibraryOL23690650M
    ISBN 100852935064
    ISBN 109780852935064
    LC Control Number2009396325
    OCLC/WorldCa263665491

    /EXPL THER/ A 1% soln of benzo[a]pyrene in benzene was applied daily to protected and unprotected surfaces of skin of 26 patients suffering from pemphigus vulgaris, mycosis fungoides, prokeratosis, xeroderma pigmentosum, basal cell cancer, squamous cell cancer, lupus erythematosis, psoriasis, syphilis in various stages, or ringworm. The period of application did not exceed 4 mo, and diam of. A study has been carried out to assess the contribution of Polycyclic Aromatic Hydrocarbons (PAHs) from asphalt plant operation, utilising Benzo(a)pyrene (BaP) as a marker for PAHs, to the background air concentration around asphalt plants in the UK. The purpose behind this assessment was to determine whether the use of published BaP emission factors based on the US Environmental Protection Cited by: 5.


Share this book
You might also like
Out of Africa

Out of Africa

Logic 6

Logic 6

environmental inventory for Waterbury, Vermont

environmental inventory for Waterbury, Vermont

old boys.

old boys.

Three little kittens and other favorite nursery rhymes

Three little kittens and other favorite nursery rhymes

Instructions given by different voice intensities and frequencies and gross motor performance

Instructions given by different voice intensities and frequencies and gross motor performance

Federal guide for a radiological response

Federal guide for a radiological response

Lost village

Lost village

Cicero: In Catilinam I

Cicero: In Catilinam I

Diccionario de dudas ingles-espanol.

Diccionario de dudas ingles-espanol.

Ambient monitoring of benzo-a-pyrene (B[a]P) emissions at two oil refineries Download PDF EPUB FB2

Monitoring Sites: with Ambient Toxics Summaries: FAQs: Benzo(a)pyrene Southern California: Site Name: Address: Latitude: Longitude: Azusa: Loren Avenue. benzo[a]pyrene through tobacco smoke, ambient air, water, soils, food and pharmaceutical prod-ucts. Concentrations of benzo[a]pyrene in BENZO[a]PYRENE Benzo[a]pyrene was considered by previous IARC Working Groups in, and (IARC, ).

Since that time new data have become available, which have beenFile Size: KB. EI RESEARCH REPORT — AMBIENT MONITORING OF BENZO-A-PYRENE (B[a]P) EMISSIONS AT TWO OIL REFINERIES Page 2 2 METHODOLOGY NPL visited the two oil refineries during November and December to conduct two separate monitoring exercises.

A minimum of three separate pairs of, simultaneously acquired, upwind and. Benzo(a)pyrene. Benzo[a]pyrene (BaP) is the most potent carcinogenic substance among the PAHs, and as long as its relative contribution to total PAH is relatively constant in foods, BaP concentration is a good indicator of the total carcinogenic potency of a PAH mixture (Alexander et al., ).

Benzo[a]pyrene is a polycyclic aromatic hydrocarbon and the result of incomplete combustion of organic matter at temperatures between °C ( °F) and °C (1, °F).The ubiquitous compound can be found in coal tar, tobacco smoke and many foods, especially grilled meats.

The substance with the formula C 20 H 12 is one of the benzopyrenes, formed by a benzene ring fused to al formula: C₂₀H₁₂.

Toxicological Review of Benzo[a]pyrene [CASRN ] January Integrated Risk Information System. National Center for Environmental Assessment. Office of Research and Development. U.S. Environmental Protection Agency. Washington, DC. The purpose of this project was to establish whether or not there is a problem with the concentration levels being emitted from oil refineries.

This was achieved by monitoring the boundary-fence concentrations of particulate phase benzo-[a]-pyrene (B[a]P) at two oil refineries in the UK. J.V. Ortiz, in Advances in Quantum Chemistry, Benzopyrene. Benzo[a]pyrene, a molecule with five, fused, hexagonal rings, is among the most carcinogenic of the polycyclic aromatic hydrocarbons (PAHs).Such biological activity may be related to the electronic structure of benzo[a]pyrene.

FREQUENCY OF AMBIENT CONCENTRATIONS OF BENZO[a)PYRENE CROUP I'AUs IN URBAN AIR Ol I 00 U) PAH Benzo[a]pyrene Benzlajanthracene Bcnzo[b]fluoranthene Benzofk]fluoranthene Benzo[g,h,Ijperylene Chrysene Indenof1,2,3-c,d]pyrene Total No. of Observations 24 29 12 No.

1 4 3 1 1 Observations in.o±Ari 6 5 4 7 6 2 1 Indicated Concentration. Mapping ambient concentrations of benzo(a)pyrene in Europe BaP has five aromatic rings and is the most widely investigated PAH as a marker for the carcinogenic risk of PAHs in ambient air.

Methods of sampling. The first step of monitoring of VOCs is the collection of air sample. Different methods of VOC sampling in air are practiced worldwide for this purpose (Demeestere et.

al., ).Active sampling is done by drawing a specified volume of the air using a pump through an adsorbent tube with a constant, usually low air flow rate.

In some cases sampling can be done for Cited by: 8. Alberta’s ambient air quality objectives and guidelines are developed to protect Alberta’s air quality.

They are intended to provide protection of the environment and human health to an extent technically and economically feasible, as well as socially and politically acceptable.

C p,gas (J/mol*K) Temperature (K) Reference Comment; Dorofeeva O.V., Recommended values were calculated statistically mechanically using force field approximation for polycyclic aromatic hydrocarbons to estimate the needed vibrational frequencies (see also [ Dorofeeva O.V.,Moiseeva N.F., ]).These functions are reproduced in the reference book [ Frenkel.

Exposure of the general population. The general population can be exposed to benzo[a]pyrene through tobacco smoke, ambient air, water, soils, food and pharmaceutical trations of benzo[a]pyrene in sidestream cigarette smoke have been reported to range from 52 to 95 ng/cigarette — more than three times the concentration in mainstream smoke.

°C TCI B °C OU Chemical Safety Data (No longer updated) More details: °C LKT Labs [B]: °C Jean-Claude Bradley Open Melting Point Dataset °C Jean-Claude Bradley Open Melting Point Dataset,°C Jean-Claude Bradley Open Melting Point Dataset, °C Alfa Aesar As a representative of PAHs, Benzo(a)pyrene (BaP) is restricted by the European Union to an annual average value of 1 ng m⁻³ in ambient air.

This threshold is significantly exceeded during the. All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program. Spezzano et al.

() reported that EFs of total PAHs (18 PAHs) ranged from to mg/km, and EFs of benzo(a)pyrene equivalent (BaPeq) ranged from to µg/km for two-stroke cm 3 mopeds.

Two-stroke mopeds with small engines emit comparable or even more PAHs than emissions reported from gasoline- and diesel-powered passenger Cited by: This table contains the most up to date criteria for aquatic life ambient water quality criteria. Aquatic life criteria for toxic chemicals are the highest concentration of specific pollutants or parameters in water that are not expected to pose a significant risk to the majority of species in a given environment or a narrative description of the desired conditions of a water body being "free.

Benzo[a]pyrene May BENZO[a]PYRENE. This is a compilation of abstracts of articles identified during the preliminary toxicological evaluation of evidence on the developmental and reproductive toxic ity of benzo[a]pyrene (BaP, CAS# ).

BaP is a polycyclic aromatic hydrocarbon and. A new methodology involving a simple and fast pretreatment of the samples by microwave-assisted extraction and concentration by N2 stream, followed by HPLC with fluorescence detection, was used for determining the concentration of benzo(a)pyrene (BaP) in atmospheric particulate matter (PM10 fraction).

Obtained LOD, × 10−3 ng/m3, was adequate for the analysis of benzo(a)pyrene Cited by: 7. The collection of this data enable the assessment of current concentrations of PAH for assessment against the National Air Quality Objective for PAH (annual mean of ngm-3 Benzo(a)pyrene (B[a]P) in ambient air) published in the UK Air Quality Strategy and to enable demonstration of the UK's compliance with the Fourth Air Quality Daughter.

Polycyclic aromatic hydrocarbons (PAHs) are a large group of organic compounds with two or more fused aromatic rings. They have a relatively low solubility in water, but are highly lipophilic. Most of the PAHs with low vapour pressure in the air are adsorbed on particles.

When dissolved in water or adsorbed on particulate matter, PAHs can undergo photodecomposition when exposed to ultraviolet Cited by: • A review of ambient monitoring results including determination of the seasonal variation and long term trends in pollution levels (Chapter 3). • Site specific analysis of future BaP concentrations to using a combination of monitoring, and emissions data and use of dispersion models (Chapter 4).

benzo(a)pyrene from cigarette smoke, wood smoke, vehicle exhaust, asphalt roads or smoke from burning farm plants. Contact with benzo(a)pyrene in the air, water, or soil near a waste site, or another polluted site.

Eating grilled or charred meats. You can also be. The term polycyclic organic matter (POM) defines a broad class of compounds that generally includes all organic structures containing three or more fused aromatic rings. These structures can contain the elements carbon, hydrogen, oxygen, nitrogen and by: Assessment of Benzo(a)pyrene Air Emissions In the Great Lakes Region March Great Lakes Commission 2 Introduction Benzo(a)pyrene is a persistent toxic substance that has raised concerns for human and wildlife health due to its presence at high concentrations in the waters and sediments of the Great Lakes – St.

Lawrence River system. Sampling of Benzo (a) Pyrene: Ambient air samples are collected for Benzo (a) Pyrene in cellulose 8’x10’ membrane filters exposed for 24 hours using Repairable Dust Samplers (Envirotech), at the average flow rate of m 3 /min for particulate phase.

These particulate samples are used for Benzo (a) Pyrene analysis. ANALYTICAL METHODOLOGY. @article{osti_, title = {Analysis of human exposure to benzo(a)pyrene via inhalation and food ingestion in the Total Human Environmental Exposure Study (THEES)}, author = {Waldman, J.M.

and Lioy, P.J. and Greenberg, A. and Butler, J.P.}, abstractNote = {The Total Human Environmental Exposure Study (THEES) focuses on benzo(a)pyrene (BaP) as an example of a combustion-generated. Mean survival times ranged from 40 weeks for male hamsters treated with mg benzo[a]pyrene/week to 10 weeks for males treated with mg benzo[a]pyrene/week.

An Increase 1n the Incidence of respiratory tract carcinoma, adenoma and papllloma In both sexes of hamsters 1n the treatment groups was reported, but a definite dose-related response.

potential for elevated ambient Benzo[a]pyrene concentrations. To investigate this, the ARB staff analyzed benzo[a]pyrene concentrations in archived PM10 filters collected from the ARB PM10 monitoring network.

These filters were collected from November through February in the two mountain communities of Quincy and Mammoth Size: 66KB. Toxicological Review of Benzo[a]pyrene This document is a draft for review purposes only and does not constitute Agency policy.

vi DRAFT—DO NOT CITE OR QUOTE Table Sample application of ADAFs for the estimation of benzo[a]pyrene cancer risk. TOXICOLOGICAL REVIEW OF. BENZO[a]PYRENE (CAS No. ) In Support of Summary Information on the Integrated Risk Information System (IRIS) June NOTICE. This document is an Interagency Science Consultation draft.

This information is distributed solely for the purpose of pre-dissemination peer review under applicable information quality. Levels of benzo[a]pyrene (BaP) in Canadian drinking water are generally very low.

There are no industrial or commercial uses for BaP in Canada, but BaP is commonly found in the environment as a product of the incomplete combustion of organic matter. Benzo[a]pyrene standards were prepared by dilution of the stock solution.

Benzo[a]pyrene extraction A homogenized portion of 25 g of each smoked or oil fried fish sample was heated (C) for 4 hours under reflux with 50 ml of a 2% solution of potassium hydroxide in methanol. The saponified materials were transferred into ml separating.

Review of Benzo[a]pyrene In Support of Summary Information on the Integrated Risk Information System (IRIS) August This document is a NOTICE. form of pre‐disseminati ally dissemina on p ted Publ. e by er revi. Comment. w un. This information is distributed solely for the purpose Agency determination or policy.

EPA. It does. Benzo(a)pyrene (P) This criterion is based on carcinogenicity of risk. Alternate risk levels may be obtained by moving the decimal point (e.g., for a risk level ofmove the decimal point in the recommended criterion one place to the right).

[Less] Benzo[a]pyrene (BaP) is cytotoxic and/or genotoxic to lung, stomach and skin tissue in the body. However, [More] Benzo[a]pyrene (BaP) is cytotoxic and/or genotoxic to lung, stomach and skin tissue in the body.

However, the effect of BaP on cervical tissue remains unclear. The present study detected DNA damage and the expression of the p53 gene in BaP-induced cervical tissue in.

Benzo(a)pyrene. An EPA Factsheet. What is Benzo(a)pyrene and how is it used. Benzo(a)pyrene, or BaP, is one of a group of compounds called polycyclic aromatic hydrocarbons (PAHs). They are not produced or used commercially but are very commonly found since they are formed as a result of incomplete combustion of organic materials.

Under EPA’s Guidelines for Carcinogen Risk Assessment (U.S. EPA, ), benzo [a]pyrene is “carcinogenic to humans” based on strong and consistent evidence in animals and humans.

This may be a synopsis of the full weight-of-evidence narrative. Extrapolation Method: Time-to-tumor dose-response model with linear extrapolation from the POD.

This test method covers the qualitative and quantitative determination of only benzo-α-pyrene (BaP), a specific polycyclic aromatic hydrocarbon (PAH), on carbon black. The procedure involves Soxhlet extraction with toluene and analysis by gas chromatography with mass spectrometry (GC/MS).

This method is not intended to test for U.S. Food and Drug Administration (FDA 21 CFR Benzo[a]pyrene CAS Number: Designated Chemical; Is this information helpful? No votes yet. Comment * Please let us know if the information on this page is helpful for you.

Enter your comment and leave your email address if you would like to receive a response. Thank you! Leave this field [email protected]{osti_, title = {Source resolution of polycyclic aromatic hydrocarbons in the Los Angeles atmosphere: application of a chemical species balance method with first order chemical decay.

Final report Jan-Dec 80}, author = {Duval, M.M. and Friedlander, S.K.}, abstractNote = {The chemical mass balance method which was originally developed for source resolution of chemical elements.