Ever heard of a house “testing positive for meth” and instantly panicked? Here’s what most people don’t realize — the first test is pass/fail only. It doesn’t measure quantity, just presence. That means a home can test positive from something as simple as trace exposure brought in on clothing… not manufacturing, not usage, not a “meth house.” If that initial screen comes back positive, there’s a second, more detailed test that actually measures levels — and in the real cases I’ve seen, those lev