Acceptable level of oil and grease in potable water
Acceptable level of oil and grease in potable water
(OP)
Dear All,
Could anyone tell me what is the acceptable level of oil and grease in potable water? The water in the question will be used for mixing the concrete. Per ASTMD3921 lab report gives a value < 1.0 mg/L. Is this acceptable for potable water? Appreciate your input.
Thanks
skc8002
Could anyone tell me what is the acceptable level of oil and grease in potable water? The water in the question will be used for mixing the concrete. Per ASTMD3921 lab report gives a value < 1.0 mg/L. Is this acceptable for potable water? Appreciate your input.
Thanks
skc8002





RE: Acceptable level of oil and grease in potable water
There is no specific oil and grease EPA limitation for potable water, though there are a number of restricted compounds which may possibly (probably) be present in oil and grease contamination of the water.
To answer your question, I would think that potable water should have a zero (below detectable limits by oil and grease analytical methodology) oil and grease concentration, notwithstanding other restricted organics that might be present.
Orenda
RE: Acceptable level of oil and grease in potable water
RE: Acceptable level of oil and grease in potable water
The water in question shall be used for mixing concrete only. We have to follow BS codes on the project. BS spec/code requirement for mixing water is "no visible traces of oil and grease in mixing water". Folks on the site did oil and grease test per ASTMD3921 instead and got the result as < 1.0 mg/L. I couldn't find any quantification of "no visible traces" in litreture. Does <1.0 mg/L falls under "no visible taces" domain?
Other approach is that if the water could be accepted as potable, it should be good as mixing water. Thats why I asked for the acceptable level of oil and grease in potable water.
Regards,
skc8002
RE: Acceptable level of oil and grease in potable water
RE: Acceptable level of oil and grease in potable water
Use your standard of no visible traces. If there are visible traces, have them run the water through a sand filter to remove the visible traces.