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Ron Hunter  
#1 Posted : 07 September 2018 11:30:31(UTC)
Rank: Super forum user
Ron Hunter

Hi folks - it's been a while.

I'm about to advise client that the only reliable way to inform and enable quantification of an exposure risk is by undertaking biological monitoring (i.e. end of shift urine analysis). Pricey no doubt, and involving the ususal hurdles of employee concerns and cooperation.

Is there any reputable published UK guidance to confirm an appropriate frequency and duration for such monitoring? Failing that, is anyone aware of the equivalent protocols in the USA?

toe  
#2 Posted : 07 September 2018 23:31:25(UTC)
Rank: Super forum user
toe

Hi Ron – Yes, it has been a while, bit of a blast from the past.

There is quite a lot of stuff relating to isocyanates and the need for urine testing at the end of the shift. See links below you may find useful. The last HSE link suggest frequency is once a year. Google SIM 03/2006/04.

http://www.hse.gov.uk/pubns/indg388.pdf

https://hsl.gov.uk/online-ordering/analytical-services-and-assays/biological-monitoring/isocyanates

http://www.hse.gov.uk/foi/internalops/sims/manuf/3_12_01.htm#appendix-5a

Edited by user 07 September 2018 23:32:11(UTC)  | Reason: addition

pl53  
#3 Posted : 10 September 2018 07:01:37(UTC)
Rank: Super forum user
pl53

The question is Ron monitoring for what? In my current role we monitor for isocynate sensitisation using end of shift urine tests annually. 

In a previous role I worked in the detergent industry where there was a risk of sensitisation to subtilisins. In this case used 6 monthly skin prick testing.

Ron Hunter  
#4 Posted : 13 September 2018 10:58:57(UTC)
Rank: Super forum user
Ron Hunter

 In this instance, I'm concerned with evaluating risk to road workers from exposure to coal tar during resurfacing works. Coal tar contains any number of carcinogens and is itself a variable product, with thus variable by-products. Exposure is possible via skin, inhalation and ingestion (with good hygiene practice being of paramount importance).

The monitoring regime in EH40 (Table 2 etc.) for PAH exposure looks to be relevant, but doesn't paint a whole picture.

Thanks to Chris Packham for the PM.

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