Leviticus 7:19

And the flesh that toucheth anything unclean shall not be eaten; it shall be burned with fire. And as to the flesh, all that are clean may eat the flesh.

Leviticus 11:24-39

And by these ye shall make yourselves unclean; whoever toucheth their carcase shall be unclean until the even.

Numbers 19:11-16

He that toucheth a dead person, any dead body of a man, shall be unclean seven days.

Luke 11:41

But rather give alms of what ye have, and behold, all things are clean to you.

Acts 10:15-16

And there was a voice again the second time to him, What God has cleansed, do not thou make common.

Acts 10:28

And he said to them, Ye know how it is unlawful for a Jew to be joined or come to one of a strange race, and to me God has shewn to call no man common or unclean.

Romans 14:14

I know, and am persuaded in the Lord Jesus, that nothing is unclean of itself; except to him who reckons anything to be unclean, to that man it is unclean.

Romans 14:20

For the sake of meat do not destroy the work of God. All things indeed are pure; but it is evil to that man who eats while stumbling in doing so.

2 Corinthians 6:17

Wherefore come out from the midst of them, and be separated, saith the Lord, and touch not what is unclean, and I will receive you;

Titus 1:15

All things are pure to the pure; but to the defiled and unbelieving nothing is pure; but both their mind and their conscience are defiled.

Treasury of Scripture Knowledge

Summary

And the flesh that toucheth any unclean thing shall not be eaten; it shall be burnt with fire: and as for the flesh, all that be clean shall eat thereof.

Bible References

General references

Leviticus 11:24
And by these ye shall make yourselves unclean; whoever toucheth their carcase shall be unclean until the even.
Numbers 19:11
He that toucheth a dead person, any dead body of a man, shall be unclean seven days.
Luke 11:41
But rather give alms of what ye have, and behold, all things are clean to you.
Acts 10:15
And there was a voice again the second time to him, What God has cleansed, do not thou make common.
Romans 14:14
I know, and am persuaded in the Lord Jesus, that nothing is unclean of itself; except to him who reckons anything to be unclean, to that man it is unclean.
2 Corinthians 6:17
Wherefore come out from the midst of them, and be separated, saith the Lord, and touch not what is unclean, and I will receive you;
Titus 1:15
All things are pure to the pure; but to the defiled and unbelieving nothing is pure; but both their mind and their conscience are defiled.