Rule of thumb for mixing/segregating ( Note rules become LESS restrictive effective 01JUL01). 1-5-8 SEGREGATE (explosive-oxydizer/organic peroxide-corrosive).
UN1845 does not require a "Shipper's Declaration for Dangerous Goods". A statement on the AirWayBill is enough (mentioning NET quantity). A NOTOC IS required, again with the net qty.
Icarus mentioned mixing 1845 with AVI. Correct! Again hope to update when I get back to the office.
200KG/Inaccessible cargo hold. 500KG/Accessible cargo hold. I'm pretty sure this is in the IATA DG Manual book TBC. I work with a 74F; So, 200KG each in forward belly/aft belly & 500KG for the maindeck; near as dammit a ton.
Interesting Q on non-declared CO2; have seen it in catering boxes...
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rgds Rat