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From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: Caught in rain
Date: Thu, 8 May 2025 07:51:47 -0500
Organization: Yellow Jersey, Ltd.
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On 5/8/2025 7:12 AM, Zen Cycle wrote:
> On 5/7/2025 7:49 PM, Jeff Liebermann wrote:
>> On Wed, 7 May 2025 07:24:50 -0400, Zen Cycle 
>> <funkmaster@hotmail.com>
>> wrote:
>>
>>> I rinse mine for a few minutes in a coffee can with brake 
>>> cleaner
>>> (https://www.grainger.com/product/CRC-Brake-Cleaner- 
>>> Solvent-35WT64)
>>
>> Almost pure dry cleaning solvent:
> 
> Yup, and it works great as a degreaser.
> 
>>
>> <https://www.grainger.com/sds/pdf/259633.pdf>
>>    Chemical name:  tetrachloroethylene
>>    Common name and synonyms:  perchloroethylene
>>    CAS number:  127-18-4
>>    %  90 - 100%
>>
>> "EPA Proposes Ban on All Consumer and Many Commercial Uses of
>> Perchloroethylene to Protect Public Health"
>> <https://www.epa.gov/newsreleases/epa-proposes-ban-all- 
>> consumer-and-many-commercial-uses-perchloroethylene-protect>
> 
> I'm not to worried about this administrations actions having 
> anything to do with protecting public health. Quite the 
> opposite, in fact.
> https://www.nbcnews.com/science/environment/epa-rollback- 
> environmental-regulations-zeldin-rcna196112
> 
>>
>> "Risk Management for Perchloroethylene (PCE)"  (Dec 2024)
>> <https://www.epa.gov/assessing-and-managing-chemicals- 
>> under-tsca/risk-management-perchloroethylene-pce>
>> "EPA has set a 10-year phaseout for the use of PCE in dry 
>> cleaning to
>> eliminate the risk to people who work or spend 
>> considerable time at
>> dry cleaning facilities."
> 
> It's a good thing I'm not using it for dry cleaning then. In 
> the meantime, there's no talk of banning it as an industrial 
> solvent (degreaser).
> 
> I agree with limiting it in cases where people may be 
> exposed to it all day everyday, like dry cleaner employees. 
> For people that use it a couple time a week in a garage, not 
> likely that big of a deal. For someone who uses a pint to 
> clean a batch of bike chains every couple of months - 
> there's more risk from the diesel fumes I inhale during my 
> commutes.
> 
> 

+1
A little perspective can be quite helpful.

A distinct outlier is California's Prop 65:

https://oag.ca.gov/prop65/faq

which requires notice for anything with 1/1000 of the lowest 
reported harmful level by any study for any material or 
product.  That has crossed from safety into harassment.



-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971