Daily Record £500 crossword

[skiddle]

Any help appreciated. I am stuck on a few. 34 down. Exceeding normal limits. ?N?R?E?A?E. 76 down. Strong smelling chemical. ???O?I?. 80 across. Central courtyard ?T?I??. I thought 34 down might be OVERsomething but I have KINDRED for 38 across which gives me the N.

[Fibonacci]

80 ac atrium

[glasman]

34d Inveterate?

[Fibonacci]

76d ammonia

[boxtops]

80a Atrium

[Fibonacci]

34d overdosage ?

[thistles]

34d inordinate

[skiddle]

thank you so much for all your help. still can't get 34 down. I must have something wrong somewhere