Ahem....my feet are really tired too. [img style="CURSOR: pointer" onclick=url(this.src); src="vny!://www.cheesebuerger.de/images/more/bigs/c018.gif" border=0]
As it turns out, the 'chunks' weren't mortar. Septic guy says it's soap and grease that turns into these masses. (pheww)
I have a friend who used to be a cop, who now has a septic company. He always says..."I used to deal with sh*t....now I deal with sh*t".