Lead pipe (no joints):
100% lead
Ingots were purple.
Lead pipe solder joint (cut on either end of solder):
83.6% lead
16.4% tin
Range scrap (99% jacketed)
99.3% lead
.7% antimony
Clip on wheel weight:
97.3% lead
2.7% antimony
No tin!
Apparently this wasn't the first sample the guy who did the testing has seen with no tin. My stuff was fluxed too.