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Mainstream Research News

The newsletter for HSE's mainstream science and technology programme

Issue 2
September 1997



HSE RESEARCH: INTELLECTUAL PROPERTY POLICY

The Cabinet Office Publication 'Intellectual Property Rights in the Public Sector Research Base' (HMSO 1992) recommended that Government Departments should publish an intellectual property exploitation plan. Also, the 1993 Government White Paper on Science, Engineering and Technology, 'Realising our Potential', set out the requirement for Government Departments to report the position regarding management of intellectual property rights (IPR), in the context of promoting commercial exploitation of research results, to the Office of Science and Technology (OST).

HSE's Research Strategy Committee has considered a detailed discussion paper on all aspects of intellectual property (IP). It was agreed that, in principle, a uniform policy throughout HSE should be adopted, with retention by HSE of IPR. However, in order to retain some degree of flexibility to select the best provider, a set of criteria has been developed against which a decision to retain or surrender the IPR can be made in certain specified circumstances.

HSE's ability to exploit information arising from its research is affected by its IPR policy. IPR policy is equally important where exploitation is best done through commercial channels. Where HSE has commissioned research with an output which is best put to the market by a commercial company, ownership of IPR gives HSE the power to control exploitation through choosing the most appropriate companies, ensuring that the product meets essential performance criteria and that HSE gets a return on its investment. Where commercial exploitation is not involved, ownership of the IPR gives HSE control over publication and the right to use the material freely e.g. in commissioning further research.

HSE's IP statement and exploitation plan is to be published in Autumn 1997. The document will be a DIAS publication. Copies will be circulated widely by RSU, both within HSE and externally. Diagram taken from a Patent Application.


WHAT'S NEW

Effects on infants of intakes of radioactivity by mothers
(Contractor: NRPB)
The Euratom Directive was adopted in 1996 and it established safety standards for the protection of workers and the public from the dangers of ionising radiation. The Directive also had requirements relating to the protection of unborn children and also for the child of a nursing mother. This project intends to use computer modelling to develop a range of exposure scenarios that might give rise to intakes of radionucleotides by the mother and, to identify the levels of intake of radioactive substances at work, which would pose a significant risk to an embryo, foetus or nursing infant. The data will then be used to provide guidance for employers about what levels of exposure to internal radiation represent a significant risk to the offspring of pregnant and nursing mothers who are working with ionising radiation.
For further information contact: Dr J Gill (x 4789)

Fire and explosion hazards from pyrotechnics and propellants.
(Contractor: HSL)
CHID identified the need to gain a better understanding of pyrotechnic and propellant detonation during manufacture and in intermediate industrial storage.

This newly commissioned research project intends to examine pyrotechnic and propellant substances to assess the effect of self and imposed confinement on their detonability. The TNT equivalence of their detonation will be quantified; the effect of packaging/containment on their potential to detonate will be assessed; the blast and thermal radiation from pyrotechnic articles under conditions of self confinement and when packaged/contained will be measured; and the effects of ignition of a single article when stored with others in bulk in metal bins will also be studied.

The outputs from this work will be used to strengthen the technical basis from which advice and guidance to the industry is given and will also provide an improved technical background for assessing licence applications for pyrotechnic and propellant production facilities.
For further information contact: Dr R Merrifield (x 4804)

A method for assessing the risks arising from fatigue
(Contractor: DERA)
Previous work funded by HSE has developed a Fatigue Index, a prototype method of assessing the risks arising from fatigue. This was developed as guidance on risk assessment in support of the Approved Code of Practice on the hours of work of staff undertaking safety critical work on the railways.

This research project intends to use the index and will assess its validity in the wider industrial context by applying it to a range of real life work patterns, in a variety of industrial settings. The research will also identify the scope for refining or extending the index.
For further information contact: Dr C McKay (x 4565)

The effects of lifting and suspending from rockbolts
(Contractor: Rock Mechanics Technology Ltd)
Through a short programme of field measurements and computer modelling, this research intends to investigate the uncertainties which surround the use of lifting bolts, currently used for the lifting and suspension of loads (exceeding 1 tonne) in bolted roadways of UK mines.

The study will investigate the effect of oscillating loads and roof movement on the bolts and will look at how bolts and their imposed loads effect the roof strata and roof behaviour. The study findings will be used to develop a risk assessment tool.
For further information contact: Mr S Wing (x 4183)

Details of completed projects industry's perception of Occupational exposure Limits (OELs)
(Contractor: Research International Ltd)
Occupational Exposure Limits (OELs) are used in the Control of Substances Hazardous to Health Regulations 1994 (COSHH), to determine the adequacy of control by inhalation. HSE recognised that some larger companies were aware of the role of OELs, but there was no hard evidence as to how small companies perceived and used them. A study has recently been undertaken to look at industry's understanding of OELs; the effectiveness of HSE in communicating risk assessment and risk reduction measures; and the extent to which OELs are useful to, and influence, industry in controlling exposure levels.

The study involved 1000 interviews within a random cross-section of firms using chemicals. A further 150 safety representatives were also interviewed in order to obtain an employee perspective on the issue. The interviews covered basic information on the chemicals used, whether risk assessment procedures were in place, the risk reduction measures used, the level of awareness to COSHH and OELs, and their role in influencing the choice of risk reduction measure. Results showed that the majority of firms have carried out some assessment of risk and have some risk control measures in place. The understanding of OELs was very variable, indicating that they have limited direct influence on the behaviour of small firms.
For further information contact: Ms H Smith (x 6815)

An improved method for the determination of coal tar pitch volatiles in air
(Contractor: HSL)
Workplace exposure to coal tar pitch volatiles (CTPV) is currently assessed by measuring the cyclohexane soluble matter that is extracted from inhalable particulate, collected on filters, as described in MDHS 68. The current method is simple. However, unacceptable variability is introduced into the method due to the small mass changes involved and the difficulty in accurately weighing the filters before and after the cyclohexane extraction.

This study was set up to review the procedure set out in MDHS 68 and to establish an analytical method with greater sensitivity and accuracy than that described.

The outcome of the study has resulted in the rejection of the current analytical procedure for measuring CTPV. Other methods, such as UV analysis and evaporative light scattering detection were also evaluated and rejected.

The recommended procedure which has been proposed as a result of this study involves measurement of polycyclic aromatic hydrocarbons (PAHs) in the inhalable particulate. It is suggested that either pyrene, as a marker, or 11 PAHs, chosen for their carcinogenicity, should be quantified as an indication of CTPV exposure.
For further information contact:
Dr E Gibby (x6257)

Faulty date change software in safety related control systems
(Contractor: Trevarth Consulting)
This study provides a summary of on-going Department of Trade and Industry (DTI) initiatives, which are relevant to the industrial field, to counter problems expected to arise throughout UK industry and commerce from the 'millennium bug', also known as the Year 2000 problem or the Century Date Change problem.

This problem has arisen due to the past practice of hardware, software and system developers using a two-digit year date (i.e. implied century) to save storage space and ease data input. The study report details the range of DTI initiatives and activities which are currently ongoing to address this problem, and which are relevant to the industrial field. Contact names and addresses are provided.
For further information contact:
Mr A Jeffs (x 4623)


THE HEALTH PORTFOLIO RESEARCH GROUP

The Health Portfolio Research Group (HPRG) is probably the longest established of the four Portfolio Groups.

Although its first meeting was as recently as January 1996 the committee had met for the previous three years as the Committee of Chairs of Occupational Health Subject Research Groups.

Health research was the first area of the HSE's research programme to have formal committees of technical and scientific experts from across HSE. The Committee's main role was to steer and co-ordinate the resulting research portfolio and address the objectives identified by the recently published Health Risk Reviews. It also acted as a forum for the exchange of views on research issues and on the broad balance of the health research portfolio.

The HPRG objectives are to:

Today the HPRG is chaired by Dr Peter Graham, Director of Health Directorate. Its remit is slightly broader in subject matter, including the Ionising Radiation and Hyperbaric SRGs and it challenges as well as co-ordinates the activities of its associated committees.

Eight Subject Research Groups (SRGs) make up the health portfolio (see management structure) meeting twice a year. Their interests range from nasty bugs to crumbling bones, from pesticides to "recreational" drugs, from measuring aerosols in very low wind speeds to measuring vibrations in tractor cabs, from back pain to leukaemia.

There are new areas such as virtual reality systems and post traumatic stress disorder and old areas like asbestos and fume cupboards.

It is indeed a huge field and tragically one where the hazards and risks may not be obvious to the victims (or their managers) until it is too late.

Consequently, some of the portfolio is taken up with epidemiological surveys to try and spot where the problems might be and get a handle on their size. Two of largest, covering respiratory disease and skin disease are known to those in the trade as SWORD and EPIDERM.

The portfolio's bread and butter is chemicals and occupational hygiene control and measurement. Spend on these easily dwarfs the rest. In both areas, much work is concerned with the testing and control of new substances.

Newer concerns include neurotoxicity, reproductive health and possible synergistic effects from exposures to several chemicals at once.

Chemical Risks is such an extensive programme that there are eight sub-groups reporting to the
CR SRG, which acts as a "project board" for the programme. This arrangement has been in place for less than a year and will be reviewed, but it appears to be working well at the moment.

The HPRG questioned whether predominance of chemical, monitoring and measurement and hygiene work on its portfolio was right. It was aware that the two highest self-reported causes of ill health resulting from or made worse by work were musculoskeletal disorders and stress. The two relevant SRGs (Ergonomics and Psychosocial risk) were challenged to support policy and field work by developing a complementary research programme. Consequently, spend on musculoskeletal disorders and stress has grown steadily in the past years. There is, indeed, an interesting overlap between the two in that work-related stress can manifest itself as a musculoskeletal problem.

Research projects include: a community based survey of the scale of work-related stress in the Bristol area; intervention studies to assess ways of managing stress; a study of musculoskeletal disorders amongst floor cleaners; and laboratory studies on manual handling in complex and asymmetric postures.

The tools which the HPRG uses to challenge and monitor the portfolio are the ROAMEF statements (see HPRG objectives). All the SRGs and subgroups have adopted ROAMEF statements to help them in decision making.

The HPRG recently asked each of the SRGs to "map" their current projects against the Portfolio group's 12 objectives. When the exercise is completed the committee will be able to see at a glance the weight of projects against each objective and assess whether the balance needs adjusting between objectives.

Another recent initiative of the HPRG has been in the field of prioritisation. This is of growing concern to the group as more proposals are brought forward by the SRGs and resources became scarce. A prioritisation working group was set up in late 1996 and two brain-storming sessions held in which a cross-section of HSE staff involved in research considered what procedure could be used to select projects for funding. It was likened to having to select one person for a job from a shortlist of half a dozen all of whom would be able to do the job effectively. It was suggested that a questionnaire is used as a stimulus to objective thought and discussion, rather like a tender board score sheet. How this panel will fit into the approvals process for research projects has yet to be decided.

The HPRG has experimented with SRG presentations at its own meetings in order to promote a cross-fertilisation of ideas and awareness. It has encouraged SRGs to get more feedback and advice from organisations outside HSE and DoE representatives have attended relevant SRG meetings. It is possible that other departments such as Health will also be invited. Researchers have been invited to give presentations of their ideas on future research to SRGs and subgroups. In the areas of neurotoxicity, musculoskeletal disorders and reproductive health "mini" strategies have been written with the help of workshops involving academics and other stakeholders.

Finally, the HPRG has sought to develop an occupational health research strategy incorporating both in-house and external publications. This is still being drafted and consideration has yet to given to how it will be presented outside HSE.

Health will remain a priority for the Commission and Government for the foreseeable future. The challenge for the HPRG is to continue developing and managing a research portfolio that will make a meaningful contribution to the prevention and control of occupational ill-health in the UK while finding new ways of involving other stakeholders. We expect to do it.

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DETAILS OF COMPLETED PROJECTS THE USE OF CHAIN-MAIL GLOVES IN THE CLOTHING INDUSTRY

(Contractor: SATRA Technology Centre)
Operators of moving machinery are normally advised by employers not to wear gloves because of the risk of them becoming entangled and drawn into the machine.

However, the conclusions of research carried out on behalf of the Textile, Clothing and Laundries NIG state that useful protection against cuts is offered by chain-mail gloves to operators of smooth-edged fabric cutters, without causing additional risks. This confirms long standing HSE advice on the use of chain-mail gloves in such circumstances.

The report produced on the research also describes 1.5 second a minimum cut through time criterion. The NIG are working with glove manufacturers to seek the recognition of this criterion and the possible adoption of standard testing procedures for protective gloves sold to the clothing industry .
For further information contact: Mr P Purkis, Tel 0113 283 4200


HUMAN HEALTH RISKS FROM ANIMAL WASTE SPREADING ON AGRICULTURAL LAND
(Contractor: WRc)
A review of the microbiological risks to human contacts (operators, farm workers and the public) caused by the landspreading of wastes has recently been completed on behalf of HSE.

The wastes concerned are spread on farmland as organic fertilisers, soil conditioners or for irrigation and are identified as sewage sludge, farm animal waste and wastes exempted for landspreading under the Waste Management Licensing Regulations (1994).

The review has considered the pathogens likely to be present in these wastes, the quantities of the waste spread on the land , the route of infection to humans, the die-off of pathogens in the environment and the rules and regulations in place to prevent disease transmission from landspreading of wastes.
For further information contact: Mr K Ashley (x 4912)


PERIODIC INSPECTION OF VESSELS FROM THE OUTSIDE ONLY
(Contractor: Matsui Babcock Energy Ltd.)
Pressure vessels and transportable gas containers require periodic in-service inspection. The work carried out on this joint sponsored research project has been to establish non-destructive testing (NDT) techniques, which enable vessels to be inspected from the outside only (i.e. non-invasively).

Through practical work, utilising mainly ultrasonic techniques as well as other potential inspection methods, guidelines for inspection procedures have been produced. The guidelines have been qualified by their application to testpieces, and they provide details of the inspection techniques developed and recommendations on how they should be applied.

The work conducted on this research has additionally examined the basic design of such vessels. This has included work to investigate how vessel design and construction may be optimised to improve the potential for inspection by non-invasive techniques.
For further information contact: Mr K Woodward (x 4514)

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Newly Commissioned Projects
Project
Title
Project
Officer
Tel. Contact
Number
Pyrotechnics and Propellant Hazard During Manufacture
Pressure Rating of Bag Filters
Timber Scaffold Boards Under Dynamic Loading
Comparison: Machine Graded 'v' NASC Graded Boards
Effects on Infants of Intakes of Radioactivity by Mothers
Interaction of Retroviruses and Endogenous Retroviruses
Sources of Hand/Arm Vibration in Foundries
Telephone Reporting of RIDDOR Accidents
Probability of Multiple Fatality Railway Accidents
LAE 1 Estimation Methods
Further Developments of the Spinning Disc Reactor
The Effect of Lifting and Suspending from Rockbolts
The Maintainence, Examination and Testing of LEV
Revision of EH22 - Ventilation of the Workplace
Guidance Access Project Scoping Study
Secondary Genotoxicity via Lipid Peroxides
Display Screen Equipment Health Problems - Phase 1
A Method for Assessing the Risks Arising from Fatigue
Implementation of Core-Data
A Generic Analysis of Pipework Explosions
Dust Explosion Risks from Unenclosed Sock Filters
Transport of Steel Magazines to Australia
Risks Surrounding Commercial Explosives Facilities
Study of Health Effects of Exposure to Grain Dust
Duty to Survey for Asbestos in Workplace Buildings
Portfolio Evaluation of Research on Zoonoses
Portfolio Evaluation of Research on Noise
Safety of Hydraulic Gantry Lifting Systems
Safety Assessment/Reinforced Concrete Constructions
Development of the Knowledge Based System (KBS)
Serum LDH C4 as a Marker of Testicular Damage
The Cost of Accidents in Agriculture
Review of Blast Injury Data and Models
URAHFREP - Project Co-ordination
Dr R Merrifield
Mr A Tyldesley
Mr A Maitra
Mr A Maitra
Dr J Gill
Dr P Logan
Mr P Pitts
Mr K MacDonald
Mr R Short
Mr T Eldridge
Ms J Etchells
Mr S Wing
Mr J Cain
Mr J Cain
Ms S Molloy
Mr G Cartlidge
Mr N Watson
Dr C MacKay
Dr D Lucas
Dr M Gregson
Mr A Tyldesley
Dr R Merrifield
Dr R Merrifield
Dr R Elliot
Mr R Andrews
Ms G Lowe
Ms G Lowe
Mr R Blogg
Mr M James
Ms E Ball
Dr P Ridgway
Mr M Sebastian
Dr A Franks
Dr S Porter
0151 951 4804
0151 951 4769
0151 951 4634
0151 951 4634
0151 951 4789
0151 951 4767
0114 289 2081
0151 951 3656
0171 717 6539
0151 951 4608
0151 951 4764
0151 951 4183
0151 951 3812
0151 951 3812
0171 717 6188
0151 951 3820
0171 717 6284
0151 951 4565
0151 951 3845
0151 951 3678
0151 951 4769
0151 951 4804
0151 951 4804
0151 951 3835
0171 717 6391
0114 289 2365
0114 289 2365
0151 951 3307
0151 951 4529
0151 951 3400
0151 9513222
01203 696518
0151 951 4193
0151 951 4626
Risk Ranking Methodology for Small to Medium Enterprise Workplaces Ms A Lees 0181 459 8855
Use of Merseyside Accident Information Model in Collecting Manual Handling Accident Data Dr C Dickinson 0151 951 3517
Confidential Human Factors Reporting System: Scotsrail Railways Mr R Lattimer 0171 717 6972
Characteristics of Fireballs by the Ignition of Propellants Dr R Merrifield 0151 951 4804
EIDAS: Explosive Incidents Database Advisory Service Dr Q Khan 01772 836200
RF Induced Currents in Firing Circuits within Buildings Mr D Burstow 0161 952 8200
Update of the Manual for the Operation of MHIDAS Database Mr A Lelland 0151 951 4134
Fatigue life of Crane Ropes over Small Deflector Sheaves Mr D Butterwoth 0151 951 3426
Nongenotoxic Carcinogens: Intercellular Communication Dr A Smith 0151 951 3404
Indicative LA Hazard/Risk Score for Generic Premises Types Mr I Greenwood 0171 717 6493
Explosives Quantity-Safety Distances for Steel Magazines Dr R Merrifield 0151 951 4804
Structural assessment of Rail Bridges - Standards and Practices Mr N Beale 0151 951 4362
Year 2000 - Effect on Real-Time, Safety Related Control System. Mr A Jeffs 0151 951 4623
Criteria for Monitoring Programmes of Internal Radiation Dr J Gill 0151 951 4789
Hazards from Cleaning Chemical Use in the Catering Industry Mr G Allen 0171 717 6527
Local Authority H&S Enforcement Officers Standards of Competence Mr T Woolmer 0171 717 6441
Limiting the Incidence of Flyrock from Quarry Operations Mr R Crabbe 0122 263000
Tube Rupture Experiments on a Shell and Tube Heat Exchanger Mr G Bankes 0151 951 3150
Ignition Risk Assessment of Potentially Explosive Atmospheres Mr A Tyldesley 0151 951 4769
Mark 1 Rolling Stock Crashworthiness Testing, Stage 2 Mr R Lattimer 0171 717 4769
Comparing the Effectiveness of Different Types of Safety Net Mr M James 0151 951 4529
The Effects of Copper Sulphide on Gas Appliances - Phase 2 Mr A Jones 0151 951 3273
Ergonomics of Amusement Device Controls and Procedures Mr J Mac Donald 0151 951 4523
Evaluation of HSC's Health and Safety Training Initiative Ms J Hanley 0171 717 6920
Analysis of Planning Appeal Inspectors' Decision Reports Mr R Greenwood 0151 951 4748
Upgrade of Windows Version of the EASE Model to Windows 2 Dr J Friar 0151 951 4826
HSE Annual Accident Questions in the Labour Force Survey Mr T Eldridge 0151 951 4608

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Recently Completed Projects
Project
Title
Project
Officer
Tel.Contact
Number
Construction, Design and Management Guidance for Designers Mr D Lamont 0151 951 4818
Land Use Planning in the Context of the Seveso Directive Mr J Brazendale 0151 951 3432
Case IED1508; Functional Safety , Safety Related Systems Mr J Brazendale 0151 951 3432
Markov Modelling of Redundant Reparable Safety Systems Mr S Went 0151 951 4636
Validation of a Passive Sampler in Industry Dr R Brown 0114 289 2505
Full Facemask Negative Pressure Respirators Performance Mr P Evans 0151 951 3281
Method Development - Sampling/Analysis of Airborne Metal Working Fluid Dr M Piney 01905 723406
Improved Methods for the Determination of Coal Tar Pitch Volatiles in Air Dr E Gibby 0171 717 6257
Revision of Sampling of Hexavalent Chromium in Air Mr A Lake 01342 334200
Industry's Perception of Occupational Exposure Limits in Risk Reduction Mrs H Smith 0171 717 6815
Psychosocial Modifiers of Non-Specific Symptamotology in Occupational and Environmental Syndromes Mrs H Smith 0171 717 6815
Manual Handling of Live Animals: An Ergonomic Investigation Mr M Sebastian 01203 696518
Manual Handling in Construction Case Studies Mrs H Smith 0171 717 6815
Neurovascular Pathophysiology (Vibration White Finger) Mrs H Smith 0171 717 6815
Accident Cost/ Ill Health/Preventative Measures in Small/Medium Enterprises Mr A Gay 0151 951 4423
NVQs for Diving Ms R Banner 0171 717 6308
Compliance with Reg. 35 of Gas Safety Regulations 1994 Mr L Philpott 0171 717 6328
Enlagement of the EU Health and Safety Policies of New Member States Mr M Johns 0171 717 6574
Occupational Health and Safety Needs of Minority Ethnic Workers Mr J Holland 0171 717 6496
Transco Mains and Service Pipe Replacement Strategy Mr M Bilio 0151 951 3213
A Version of DRIFT for Windows Mr K Cassidy 0151 951 4758
Fluid Mechanics of Contaminant from Fume Cupboards Mr B Fletcher 0114 289 2510
Quantities of Pollutants during Laser Cutting of Plastics Dr D South 0151 951 4773
Anthrax Testing Mr A Porter 0113 283 4200
Elimination of Manual Lubrication of Forming Moulds in Glass Container Manufacture Mr D Faulkner 0151 479 2200
Investigation of Occupational Respiratory Sensitisation to Low Molecular Weight Chemicals Dr A Curran 0114 289 2689
Interfacing 'GASP' and 'DRIFT' Mr A Mercer 0114 289 2408
Periodic Inspection of Pressure Vessels from Outside Only Mr K Woodward 0171 717 4514
Refurbishment of Air Conditioned Buildings for Natural Ventilation Mr A Mulhall 01582 444200
Dustiness of Powders and Materials in Industrial Use Dr K Chung 0114 289 2709
UK Info. Network to Support European Agency for H&S at Work Mr R Lewis 0114 289 2342
Further Work on Auditing and Safety Management Dr N Hurst 0114 289 2416
Local Authority Training for H&S Enforcement Mr T Woolmer 0171 717 6441
Fume in Arc Welding : multi Media Training Package Ms C Northage 0151 951 4464
Design/Procurement/Installation of Pilot Geographical Information Systems Ms A Brazier 0151 951 4896
Investigation of Filters by Confocal Microscopy Ms H Smith 0171 717 6815
Occupational Health Training for Agriculture/Horticulture Mr J Russell 0171 717 6343
Management of the Flow of Gas and Gas supply Emergencies Miss S Thompson 01179 886000
Bioefficiency of Personal Aerosol Samplers and Substrate Dr B Hoult 0161 952 8200
Determination of Incombustable Matter in Mine Road Dust Dr P Walsh 0114 289 2533
Aids for Assessing Major Chemical Hazards Installations Dr S Welsh 0151 951 4784
Pesticide Equipment/Assessment of New Technology Dr D Rimmer 0114 289 2704
Development of NDT Methods for Rock Reinforcement Tendons Mr B Rowland 0151 951 4517
'Signal Passed at Danger' Rate in Relation to Signal Type Mr R Short 0171 717 6539
Computer Assisted Analysis of Safety Related PLC Software Mr S Went 0151 951 4636
Production of Reference Fibres for Toxiological Research Ms H Smith 0171 717 6815
Case Studies of Human Factors in Industrial Safety Dr D Lucas 0151 951 3845
Review of Cognitive Assessment Tests Dr D Lucas 0151 951 3845
Improvement of Mark 1 Rolling Stock Couplers and Bogie Pins Mr R Lattimer 0171 717 6972
Safety Integrety of Low Complexity Safety Related Systems Mr S Went 0151 951 4636
Pilot Study for a Quality Policy Framework for HSE Mr B Ledsome 0171 717 6404
Confocal Microscopy Measurements of 3D Filter Structures Dr G Burdett 0114 289 2603
Faulty Date Change Software - Current Techniques Mr A Jeffs 0151 951 4623
HSE's Annual Accident Questions in the Labour Force Survey Mr T Eldridge 0151 951 4608
Use and Improvements in the Micronucleus Assay Ms H Smith 0171 717 6815
Predicted Consequences of Germ Cell Injury Dr E Gibby 0171 717 6257
Statistical Evaluation of Health Effects: Nuclear/Chemical Plants Ms H Smith 0171 717 6815
Dynamics of Impinging Fire Plumes Dr S Jagger 0114 289 2042
Interfacing Non-Destructive Testing Pressure Systems Mr K Woodward 0151 951 4514
Health and Safety Implications of Virtual Reality Systems Ms H Smith 0171 717 6815
Use of Chain Mail Gloves/Protection Against Powered Blades Mr P Purkis 0113 283 4200
Assessment of Individual and Societal Risks Associated with Gasoline Pipelines Mr J Barrett 0151 951 4819
Evaluation of the Breathe Freely Campaign Ms H Smith 0171 717 6815
Health Risks from Sewage, Sludge and Animal Slurry on Agricultural Land Mr K Ashley 0151 951 4912
Training of Appointed Doctors by Distance Learning Dr A Leach 0113 283 4200
Childhood Leukaemia in Offspring of Sewing Machinists Ms H Smith 0171 717 6815
Individual Differences and Liability to Human Failures Dr D Lucas 0151 951 4845
Effects of Blasts on Buildings and their Occupants: Phase 2 Dr A Franks 0151 951 4193
Design Specification for Ultrasonic Non-Destructive Testing (NDT) Development for Rock Bolts Mr B Rowland 0151 951 4517
Review of Violent Incidents in the Workplace Dr D Lucas 0151 951 3845
Quality Control in Upgrading the Expert System EASE for DOS Mr J Friar 0151 951 4826
The Effects of Copper Sulphide on Gas Appliances Mr A Jones 0151 951 3273

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RECENT PUBLICATIONS

Contract Research Reports
Series No. Title
CRR 133 The Implications of Dispersion in Low Wind Speed Conditions for Quantified Risk Assessment.
CRR 134 High Acceleration Events in Industrial Exposure to Whole Body Vibration.
CRR 135 European Grinder Vibration Test Code: A Critical Review
CRR 137 Efficacy of Water Spray Protection Against LPG Jet Fires Impinging on Storage Vessels
CRR 138 Uses and Resources of Natural Gas
CRR 140 SCUBA Diving

All these titles are available as priced publications from
HSE Books,
PO Box 1999, Sudbury, Suffolk CO10 6FS, England
Tel (0)1787 881165
Fax (0)1787 313995

Published on internet on 12/11/97