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View MJMW1's profile

Food safety for cutting boards

by MJMW1
posted 11-01-2018 08:51 PM


21 replies so far

View Kazooman's profile

Kazooman

1358 posts in 2460 days


#1 posted 11-01-2018 09:15 PM

This exact issue was recently the subject of a thread:

http://lumberjocks.com/topics/292249

View AlaskaGuy's profile

AlaskaGuy

5350 posts in 2817 days


#2 posted 11-01-2018 10:58 PM

I wouldn’t worry about it in the least.

-- Alaskan's for Global warming!

View Rick  Dennington's profile

Rick Dennington

6652 posts in 3702 days


#3 posted 11-01-2018 11:10 PM

No worries…..The mineral spirits have had plenty of time to dry (if you wiped them down good like you said)...Mineral spirits evaporates pretty quick, so I’d say a year is more than enough time….Just do what you said, and you’ll be o.k. to give them as gifts…....!!

-- " The secret to staying young looking.....hang around old people.." R.D.

View William Shelley's profile

William Shelley

609 posts in 1977 days


#4 posted 11-01-2018 11:35 PM

I used mineral spirits last night to clean Halloween makeup off my face. The stuff evaporates in a few hours and won’t leave anything behind. Honestly if they’ve been sitting in a shop for a year, I’d be more concerned about dust contaminating them, for example if you were sanding painted or finished items, the paint or varnish dust could settle on the cutting boards and get lodged in the pores of the wood.

-- Woodworking from an engineer's perspective

View Kazooman's profile

Kazooman

1358 posts in 2460 days


#5 posted 11-02-2018 12:05 AM


I used mineral spirits last night to clean Halloween makeup off my face. The stuff evaporates in a few hours and won t leave anything behind. Honestly if they ve been sitting in a shop for a year, I d be more concerned about dust contaminating them, for example if you were sanding painted or finished items, the paint or varnish dust could settle on the cutting boards and get lodged in the pores of the wood.

- William Shelley

Yep, the consensus in the other thread was not to have any concerns.

However, one issue begs a question. What sort of Halloween makeup requires mineral spirits for removal? Was a blowtorch involved at any point during the process? I have heard (just anecdotal stories, mind you) that you can readily remove any kind of makeup with a belt sander. Variable speed control helps quite a bit. I do not have any specific suggestions regarding what grit paper to use.

View William Shelley's profile

William Shelley

609 posts in 1977 days


#6 posted 11-02-2018 12:09 AM


I used mineral spirits last night to clean Halloween makeup off my face. The stuff evaporates in a few hours and won t leave anything behind. Honestly if they ve been sitting in a shop for a year, I d be more concerned about dust contaminating them, for example if you were sanding painted or finished items, the paint or varnish dust could settle on the cutting boards and get lodged in the pores of the wood.

- William Shelley

Yep, the consensus in the other thread was not to have any concerns.

However, one issue begs a question. What sort of Halloween makeup requires mineral spirits for removal? Was a blowtorch involved at any point during the process?

- Kazooman

It was some colored grease pens, probably mineral oil based. Probably would have come off with soap and water but the mineral spirits worked instantly.

-- Woodworking from an engineer's perspective

View Kazooman's profile

Kazooman

1358 posts in 2460 days


#7 posted 11-02-2018 12:20 AM


I used mineral spirits last night to clean Halloween makeup off my face. The stuff evaporates in a few hours and won t leave anything behind. Honestly if they ve been sitting in a shop for a year, I d be more concerned about dust contaminating them, for example if you were sanding painted or finished items, the paint or varnish dust could settle on the cutting boards and get lodged in the pores of the wood.

- William Shelley

Yep, the consensus in the other thread was not to have any concerns.

However, one issue begs a question. What sort of Halloween makeup requires mineral spirits for removal? Was a blowtorch involved at any point during the process?

- Kazooman

It was some colored grease pens, probably mineral oil based. Probably would have come off with soap and water but the mineral spirits worked instantly.

- William Shelley

Any pictures to share?

View Richard Lee's profile

Richard Lee

254 posts in 1283 days


#8 posted 11-02-2018 12:23 AM

https://www.ncbi.nlm.nih.gov/pubmed/18293216

Still dont think I would be wiping my face with it.

View Woodknack's profile

Woodknack

12905 posts in 2888 days


#9 posted 11-02-2018 12:34 AM

Harmful or not I would taste mineral spirits every time I used them but if it doesn’t bother you and your family then go ahead.

-- Rick M, http://thewoodknack.blogspot.com/

View Kazooman's profile

Kazooman

1358 posts in 2460 days


#10 posted 11-02-2018 12:38 AM



https://www.ncbi.nlm.nih.gov/pubmed/18293216

Still dont think I would be wiping my face with it.

- Richard Lee

Yeh, it would akin to “huffing” solvent vapors to get high. The dermal absorption route should be much less and I would imagine the duration of the exposure was limited. Mentioning that so William can sleep tonight. I doubt that he did any damage. We will monitor his future posts just to be sure.

Remember the good old days when mechanics used to clean up auto parts in a bath of gasoline with their bare hands?

View Kazooman's profile

Kazooman

1358 posts in 2460 days


#11 posted 11-02-2018 12:45 AM


Harmful or not I would taste mineral spirits every time I used them but if it doesn t bother you and your family then go ahead.

- Woodknack

Have you ever used a “salad bowl finish” on a piece destined for food contact? General Finishes Salad Bowl Finish instructions say to thin it with mineral spirits if desired before applying. I am certain that the same solvents are in the can when you purchase it. Where do those mineral spirits go?

View Woodknack's profile

Woodknack

12905 posts in 2888 days


#12 posted 11-02-2018 12:58 AM



Have you ever used a “salad bowl finish”

Nope.

-- Rick M, http://thewoodknack.blogspot.com/

View Richard Lee's profile

Richard Lee

254 posts in 1283 days


#13 posted 11-02-2018 02:00 AM

Harmful or not I would taste mineral spirits every time I used them but if it doesn t bother you and your family then go ahead.

- Woodknack

http://www.sciencelab.com/msds.php?msdsId=9926123

Have you ever used a “salad bowl finish” on a piece destined for food contact? General Finishes Salad Bowl Finish instructions say to thin it with mineral spirits if desired before applying. I am certain that the same solvents are in the can when you purchase it. Where do those mineral spirits go?

- Kazooman

Go ahead use it on your salad bowl, wash with it . I wont.

View Richard Lee's profile

Richard Lee

254 posts in 1283 days


#14 posted 11-02-2018 02:05 AM

Have you ever used a “salad bowl finish”

no

View Kazooman's profile

Kazooman

1358 posts in 2460 days


#15 posted 11-02-2018 02:12 AM


Have you ever used a “salad bowl finish”

Nope.

- Woodknack

How would you know what one tastes like?

View Kazooman's profile

Kazooman

1358 posts in 2460 days


#16 posted 11-02-2018 02:22 AM


Harmful or not I would taste mineral spirits every time I used them but if it doesn t bother you and your family then go ahead.

- Woodknack

http://www.sciencelab.com/msds.php?msdsId=9926123

Have you ever used a “salad bowl finish” on a piece destined for food contact? General Finishes Salad Bowl Finish instructions say to thin it with mineral spirits if desired before applying. I am certain that the same solvents are in the can when you purchase it. Where do those mineral spirits go?

- Kazooman

Go ahead use it on your salad bowl, wash with it . I wont.

- Richard Lee

I wouldn’t wash with it either, but did you even read the reference you posted? The bottom line conclusion is “Overall, the data showed that mineral spirits have a low order of acute toxicity and do not appear to produce toxicologically relevant systemic effects.”.

View Richard Lee's profile

Richard Lee

254 posts in 1283 days


#17 posted 11-02-2018 02:28 AM

Harmful or not I would taste mineral spirits every time I used them but if it doesn t bother you and your family then go ahead.

- Woodknack

http://www.sciencelab.com/msds.php?msdsId=9926123

Have you ever used a “salad bowl finish” on a piece destined for food contact? General Finishes Salad Bowl Finish instructions say to thin it with mineral spirits if desired before applying. I am certain that the same solvents are in the can when you purchase it. Where do those mineral spirits go?

- Kazooman

Go ahead use it on your salad bowl, wash with it . I wont.

- Richard Lee

I wouldn’t wash with it either, but did you even read the reference you posted? The bottom line conclusion is “Overall, the data showed that mineral spirits have a low order of acute toxicity and do not appear to produce toxicologically relevant systemic effects.”.

- Kazooman

Ongoing studies are evaluating the concerns associated with chronic low-level exposure and central nervous system effects.

Yes I read it , last line of the MSDS link. Not trying to pick a fight, but it is a petroleum product and why even take a chance.

View Kazooman's profile

Kazooman

1358 posts in 2460 days


#18 posted 11-02-2018 02:32 AM

Harmful or not I would taste mineral spirits every time I used them but if it doesn t bother you and your family then go ahead.

- Woodknack

http://www.sciencelab.com/msds.php?msdsId=9926123

Have you ever used a “salad bowl finish” on a piece destined for food contact? General Finishes Salad Bowl Finish instructions say to thin it with mineral spirits if desired before applying. I am certain that the same solvents are in the can when you purchase it. Where do those mineral spirits go?

- Kazooman

Go ahead use it on your salad bowl, wash with it . I wont.

- Richard Lee

I wouldn’t wash with it either, but did you even read the reference you posted? The bottom line conclusion is “Overall, the data showed that mineral spirits have a low order of acute toxicity and do not appear to produce toxicologically relevant systemic effects.”.

- Kazooman

Ongoing studies are evaluating the concerns associated with chronic low-level exposure and central nervous system effects.

Yes I read it , last line of the MSDS link. Not trying to pick a fight, but it is a petroleum product and why even take a chance.

- Richard Lee

Also not “picking a fight”, but trying to bring a bit of reason to bear. thousands of woodworkers have been using mineral spirits to dilute their finishes and thousands have used many commercial “salad bowl finishes” for a long, long time without any issues. I am quite certain that the vast majority of commercial wooden products sold for use with food have been finished with materials that include volatile organic solvents. This may have changed some recently with pushes towards “greener” finishes with lower VOCs. That effort is directed at release of the volatile components during the actual finishing process, not at the final finished product. The chronic low level exposure mentioned in the abstract would be to the actual hydrocarbons listed earlier. They are volatile and would not be present in a cured finish. There is a difference between working in an environment where there are solvent vapors constantly being breathed in and the cured finish on a wooden bowl. I think they are much more concerned with exposure in the workplace than any residue on consumer goods.

One last thought… mineral oil is a “petroleum product”, just longer hydrocarbon chains than most of the materials in mineral spirits. The real potential bad actors in mineral spirits would be the aromatics. Like the aromatics in gasoline it is not a good idea to breathe them all the time.

View AlaskaGuy's profile

AlaskaGuy

5350 posts in 2817 days


#19 posted 11-02-2018 03:05 AM

Two things. I have no scientific poof but I’d bet there many other thing in all your lives that are a whole hell of a lot more damaging you health that a bit of evaporated mineral spirits (if at all). Have you ever looked at ingredients it the food you eat? Do you ever eat in a restaurant? What sort of protective clothing do you wear when you fill your car with gas? Do you were a gas mask when your in heavy traffic at a stop light? Do you eat chicken eggs? You know where they come from ….right? Do you know some of the stuff they put in your wife’s makeup?

I’m sitting here wondering how I got to be 74 years old and in apparent good heath after all the things I’ve been exposed to. I’m sure I’ll get famed for this but many of you may be shortening your life my worrying about mineral sprints too much.

I have probably had worse things on my cutting board.

-- Alaskan's for Global warming!

View runswithscissors's profile

runswithscissors

3071 posts in 2533 days


#20 posted 11-03-2018 01:10 AM

Just as an FYI: a very effective way to remove grease paint makeup and even pitch is salad oil. It dissolves many substances and wipes right off, to be followed by soap and water. If you have any left over, you can put it on your salad.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

View AlaskaGuy's profile

AlaskaGuy

5350 posts in 2817 days


#21 posted 11-03-2018 03:04 AM



Just as an FYI: a very effective way to remove grease paint makeup and even pitch is salad oil. It dissolves many substances and wipes right off, to be followed by soap and water. If you have any left over, you can put it on your salad.

- runswithscissors


Do you have a favorite? Does one work better that another?

What is a salad oil?
Salad oil is a generic term referring to a variety of oil that you can use for a recipe. ... Salad oil is another term for a light tasting vegetable oil. You can use oils like vegetable, canola, corn, peanut, or other light flavored oils. You will want to stay away from oils that give a lot of flavor to a dish.

Partial list

Walnut Oil. ...
Safflower Oil. ...
Coconut Oil. ...
Canola Oil. ...
Flaxseed Oil. ...
Sunflower Oil. ...
Avocado Oil. ...
Almond Oil. Sweet almond oil is also another healthy oil that can be used as a salad dressing.

-- Alaskan's for Global warming!

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