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house of lords official report - United Kingdom Parliament

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1133 Organophosphates<br />

[17 JUNE 2009]<br />

Organophosphates<br />

1134<br />

7.55 pm<br />

Lord Greaves: My Lords, I do not think that the noble<br />

Lord, Lord Rooker, ever left the human race, which is<br />

one reason why he was such a good Minister.<br />

I thank the noble Countess, Lady Mar, for initiating<br />

this short debate as part <strong>of</strong> a campaign that has been<br />

going on since long before I came to this House. With<br />

the noble Countess, the noble Lord, Lord Rooker, and<br />

my noble friend Lord Tyler, I feel as though I am<br />

among some <strong>of</strong> the political giants as far as this issue<br />

is concerned. My interest in OPs, particularly sheep<br />

dips, came about a bit less than 10 years ago when<br />

Chris Davies MEP took me up a track on the Saddleworth<br />

moors to see Mrs Brenda Sutcliffe, an equally doughty<br />

campaigner on OPs in a rather different way, bashing<br />

away on what was then her manual typewriter. She is<br />

still there and still campaigning, and long may she do<br />

so as long as this issue needs resolving.<br />

I shall refer to the most recent piece <strong>of</strong> research on<br />

OPs and sheep dips, which comes from Dr Sarah<br />

Mackenzie Ross <strong>of</strong> University College London on<br />

behalf <strong>of</strong> Defra’s project VM02302 on which, over the<br />

past six or seven years, the department has spent<br />

nearly £500,000. The project was mooted earlier; it<br />

started in August 2004 and ended in 2008, last year.<br />

The purpose <strong>of</strong> the study was to determine whether<br />

low-level exposure to organophosphates caused disabling<br />

neurological or psychiatric disease in a small sub-group<br />

<strong>of</strong> exposed persons. The significance <strong>of</strong> this project is<br />

that it is concentrated on low-level exposure over a<br />

period <strong>of</strong> time rather than on a higher level and the<br />

more acute problems presented by most <strong>of</strong> the people<br />

who have come forward as victims <strong>of</strong> OPs.<br />

The participants in the study—there were originally<br />

160 but there ended up being 132—are working farmers<br />

and farmers who retired on the grounds <strong>of</strong> ill health<br />

and who have a history <strong>of</strong> exposure to sheep dip. They<br />

were compared with a control group, a comparison<br />

group, <strong>of</strong> rural police workers, in an attempt to find<br />

similar people in the community who had not been<br />

particularly exposed to organophosphate pesticides.<br />

That group began as 80 but ended up as 79. The<br />

participants were recruited from the south-west and<br />

the north <strong>of</strong> England. My understanding is that the<br />

study has been completed—certainly the executive<br />

summary has been published—and that we are waiting<br />

for the full <strong>report</strong> to be peer-reviewed. Perhaps the<br />

Minister will confirm that. It is with Defra and we are<br />

waiting to see what Defra is going to do about it.<br />

The results <strong>of</strong> this study <strong>of</strong> low-level exposure were<br />

that,<br />

“A range <strong>of</strong> emotional, physical and cognitive problems were<br />

identified in agricultural workers with a history <strong>of</strong> low level<br />

exposure to OPs. In terms <strong>of</strong> cognitive function, general intellectual<br />

ability, reasoning, visio-spatial and verbal ability were relatively<br />

well preserved, but agricultural workers obtained lower scores on<br />

tests <strong>of</strong> response speed, working, verbal and visual memory,<br />

mental flexibility and fine motor control, than non-exposed controls”.<br />

The <strong>report</strong> also compared these results with the general<br />

population and found a similar difference. The <strong>report</strong><br />

says that,<br />

“a number <strong>of</strong> significant correlations were observed between<br />

duration <strong>of</strong> exposure and verbal and visual memory, verbal<br />

ability, strategy making and fine motor control. Although weak,<br />

they were in the expected direction, consistent with findings from<br />

the group analyses and consistent with study hypotheses.”<br />

I am not sure that I understand these words, but I<br />

think they mean that there was a correlation and the<br />

findings were significant. The recommendation is that<br />

follow-up studies should be carried out to determine<br />

whether symptoms persist over time, improve or worsen,<br />

and to look into recommended treatment protocols<br />

for individuals who <strong>report</strong> chronic ill health following<br />

exposure to OPs. This is one reason why the <strong>of</strong>ficial<br />

committee should be reconvened. It is suggested that<br />

there is a need for prospective treatment trials. That is<br />

from Dr Mackenzie Ross.<br />

Defra has responded. I have looked at the Defra<br />

website and failed to find it, but that may be because I<br />

am not very good at negotiating websites, or it may<br />

not be there. I read in the Western Morning News that<br />

a Defra spokesman said:<br />

“The results <strong>of</strong> this <strong>report</strong> do not definitively demonstrate<br />

that organophosphates cause chronic ill-health, but suggest that a<br />

relationship may exist”—<br />

I think that is what Dr Mackenzie Ross is saying—<br />

“It is not possible to draw conclusions on the basis <strong>of</strong> one<br />

<strong>report</strong> without considering a wider context <strong>of</strong> published data on<br />

OPs and human health”.<br />

That seems to be a fairly weak response from Defra, <strong>of</strong><br />

the kind that previous speakers have suggested has<br />

been forthcoming over the years. It seems to me,<br />

again, to be a reason why the committee should be<br />

reconvened and should meet to consider these matters.<br />

Defra continues to say that,<br />

“our advice to farmers remains to take all necessary protections<br />

including protective clothing and to follow instructions supplied”.<br />

That is all very well for people who are around now<br />

but it does not really tackle the problem <strong>of</strong> people who<br />

were exposed in the past. I read in my exciting weekly<br />

reading, the Farmers Guardian, a quote from<br />

Dr Mackenzie Ross herself:<br />

“The worry is that there might be a slow cumulative effect on<br />

people. We have got no idea how many people out there are<br />

suffering … There was this idea that low exposure is OK but this<br />

research would suggest otherwise. We think it is more dangerous<br />

than previously thought”.<br />

There follows the same quote from Defra, suggesting<br />

that it would rather not do very much.<br />

This latest <strong>report</strong> is important, partly because it confirms<br />

that people have been suffering from OPs, but particularly<br />

because it looks at the people who have been subjected<br />

to low-level exposure, as opposed to those who have<br />

been made particularly poorly by a high level <strong>of</strong><br />

exposure. This is clearly new evidence and clearly a<br />

new <strong>report</strong>. I ask the Minister, first, what will Defra do<br />

with this <strong>report</strong>? What is its response to it, other than<br />

trying to tell the papers that everything is really okay?<br />

Secondly, in particular, is it not sensible to put it to a<br />

reconvened <strong>of</strong>ficial committee?<br />

8.04 pm<br />

Lord Taylor <strong>of</strong> Holbeach: My Lords, I declare an<br />

interest as a farmer and grower. We use chemicals in<br />

pest and disease control; I will make observations on<br />

this in my speech. No one can doubt the commitment<br />

<strong>of</strong> the noble Countess to making sure that the use and<br />

effect <strong>of</strong> organophosphates remains on the agenda.<br />

She should be thanked for securing this debate and for<br />

the skill with which she has presented her case. She<br />

speaks powerfully from a personal experience that has<br />

been extremely distressing. Indeed, all noble Lords

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