blinking fly tippers

Got caught out by some guy posing as a reputable rubbish mover showed me his licence i found out next day the B~~~~~D fly tipped it given the enviro people the hand written invoice (as he had nothing else in his van) time and date it went discription of him the lot cant find the gits number though, now im in the hot seat any ideas what happens next oh an i have offered too remove it but they wont tell me the location.

how did they trace it back to you? forgot to take the personal details out of it?