Me again!. Complete save for 1 across (9) - Rough old evening in Paris for Notre Dame dredger? - ?SP?RSO??;
7 (5) down - Woolly donned by gaucho, an endless emanation coming up? - ?UAN? [the first letter of this is the last letter of 1 across]; and
15 across (6) something like Bordeaux mixture? It's cooked with ham - THI?AM {if this is an anagram of its and ham then the 4th letter is S but I cannot find any such word)