Washing Flood Water Contaminated Color Negatives and Prints

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chazum0

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Hi Guys.

As you may or may not have heard on the news recently, Baton Rouge, Louisiana and a few surrounding cities were inundated by flooding of unprecedented levels. Thousands of homes, especially in the Denham Springs area, were totally submerged and several more received varying level of flood damage. My mother's home received roughly 3 inches of water throughout the house, and while thankfully no one was hurt, several packages of drug store prints and negatives were affected.

The good news is that the prints and negatives that came in contact with the flood waters were wet for less than 24 hours, so there are no visible signs of mold growth. The other good news is that I was able to separate the prints and negatives from each other before they started to stick and dry together. So far, all of my negatives and prints are dry and either sleeved or placed in sandwich bags.

So now I'm trying to find out the best way to wash, remove, and prevent any contamination that might have occurred. I have a plan for how I'm going to do this but my reason for this post is for you guys to provide any advice or direction on the best methods and practices I should be following.

Alright so for the prints I was simply going to use a 5 tray setup of distilled water with each print washing for 30 sec per tray and then left to dry image side up on a window screen. For the negatives my plan is to give them 1min-2min soak in distilled water and then reintroduce them to fresh stabilizer for 30 sec followed by line drying as usual. My reason for re-stabilizing is because I'm afraid that the flood waters might have messed with whatever protectant barrier was once on the film.

What do you guys think?
 

Bob Carnie

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First off sorry this happened to you and others in Louisiana, It sounds like you have a decent plan in place, for the negatives I would wash in normal water for a period and then rinse in distilled water with a bit of photo flow.
Lets hope PE jumps in. good luck with your efforts.
 

pdeeh

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I'll echo bob's sentiments.

and add the technical point that if these are colour negatives, you will need to buy or make a stabiliser solution for a final rinse, otherwise the longevity of the images will be compromised.

good luck!
 

Photo Engineer

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To retard mold and fungus growth, formaldehyde in Photo Flo is best. Rinse for 1 minute and then wipe clean of droplets with a sponge or other soft, lint free material.

PE
 
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chazum0

chazum0

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Thanks for the input guys! I'm going to mix up some stabilizer as per PE's instructions on the stickied stabilizer thread. As for the RA-4 color prints, is a simple distilled water rinse the best way to clean them?
 
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Photo Engineer

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Actually, given the quality of the water, treatment with plain formalin to kill bugs might not be a bad idea. It should not hurt.

PE
 

MattKing

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is formalin the stuff that is found in old fashioned plain listerine ? or is that something else ?
That would be thymol.
 
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chazum0

chazum0

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Actually, given the quality of the water, treatment with plain formalin to kill bugs might not be a bad idea. It should not hurt.

PE
Water quality isn't a problem. I have unlimited access to DI water from my university. Are you saying it's okay for me to give my prints a rinse in formalin? How exactly would I mix that up? I assume without photoflo?
 

Photo Engineer

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I meant the quality of the flood water which is very very bad. Yes, wash the prints and then treat with diluted formalin, about 10 ml /l of 37% formalin in DW should do.

PE
 

MattKing

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matt + PE
thanks
i can' never keep these things straight !
Jon:

All I can say is: be very, very careful then when you shop for mouthwash!
 
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