Take one of the end reductions out of Enervating Field, and put that slot into Cosmic Burst, as damage. It's a fantastic attack, and I really doubt you need three end reductions in EF. I generally use two.
Also, I'm pretty sure Proton Volley and Atomic Blast both have an accuracy bonus, so you might not need two accuracies in those. You could use those slots elsewhere, too... recharges in attacks, heal, and Lingering Radiation could all be useful.
Looks like a pretty solid build, though... especially considering you'll probably have more slots to go around post-40. 
Heyas!
Some advice from a rad/rad corr myself
-Put some Endred in Radiant Aura besides the 3 Healings if you can.
-put some def debuff enhencements on Radiation infection. It will be great against def-based AVs
-you dont need 2 acc in Proton Volley, one is fine as it has an acc buff and you'l probably use Aim+PV
-Lingering Radiation: 3 slow enhencements. you'll thank me later hehe
-Take off those Endrex in EMP. AFter you use it, you'll be drained from ALL end, so the end cost doesn't matter.
-Think about getting Neutrino Bolt AND X-Ray Beam. They are good to have at the beggining, but in the end game, as you have other attacks, you may be wasting a power slot. It's up to your play style. I got just NB, but that's me. You could get Irradiate earlier.
-As I said, if you have another power slot free, take Mutation. Your team will apreciate, as it rez a player with full health and full end, AND boosts him for 90 seconds. A good way to keep the fight going.
Phew! I hope I gave you some ideias 
Sorry, but some of that advice ain't so great
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-you dont need 2 acc in Proton Volley, one is fine as it has an acc buff and you'l probably use Aim+PV
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This is a PvP build, he needs the accuracy
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-Lingering Radiation: 3 slow enhencements. you'll thank me later hehe
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the great thing about LR is the -recharge and -regen, neither of which is affecte by slow enhancers. What it does need is 3 recharge slots as it has a long timer.
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-Take off those Endrex in EMP. AFter you use it, you'll be drained from ALL end, so the end cost doesn't matter.
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EMP doesn't drain your end, just halts end recovery for a while. But yeah, those end reducers really aren't needed. When I use EMP for PvP, I have it slotted something like 3 recharge and 3 endmod and use Aim to make sure it hits. If you're paying attention to the opponents end, when they're down to about 1/2 end, fire this off and you'll drain all the rest of their end and hold them.
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-Think about getting Neutrino Bolt AND X-Ray Beam. They are good to have at the beggining, but in the end game, as you have other attacks, you may be wasting a power slot. It's up to your play style. I got just NB, but that's me. You could get Irradiate earlier.
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You only need one of NB or X-ray eyes. I'd never take both as they don't chain well togther. For a corruptor I'd take X-ray eyes, since it looks cooler For PvP I'd never bother with Irradiate.
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-As I said, if you have another power slot free, take Mutation. Your team will apreciate, as it rez a player with full health and full end, AND boosts him for 90 seconds. A good way to keep the fight going.
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Certainly one of the better rez powers (possibly the best) but for PvP it's not that much use. I suppose it might be OK for zone PvP with the new crappy no health and end thing when you go to hosp.
Some of my own comments now
If you want to go for PvP only, drop all your AoEs, including your nuke. Keep EMP.
Fully slot RI, 3 tohit debuff, 2 defence debuff, 1 end redux.
Get acrobatics!
3 slot hurdle and use it with combat jump. This'll keep you nicely out of melee. If you can fit it in, get superspeed too that will help a lot.
If you can spare the slots, put 3 tohit buffs into aim. That'll cut right through those pesky SR scrappers and is real nice for spanking people who think they're safe when they use Moment of Glory.
Cosmic Burst is the best attack you have so 6 slot it, 2 acc 3 damage and a recharge.
IN MEMORIUM OF GAYBABY
CRUELY TAKEN FROM THIS WORLD WHILE SO YOUNG
put 3acc and 3recharge in Linering Rad, this is awesome and super annoying in PVP and you want it to hit and often 
**Acceptable "support" responses**
Its your fault
Its your computers fault
Its your ISPs fault
based on my pervious post ive had to incorporate stamina into my buil, so im not not sure about how well it will work, advice much apreciated. Its primarily a pvp build so all constructive critsism appreciated
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Exported from Ver: 1.7.6.0 of the CoH_CoV Character Builder
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Name: Forsaken
Level: 41
Archetype: Corruptor
Primary: Radiation Blast
Secondary: Radiation Emission
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01) --> Neutrino Bolt==> Acc(1)Acc(3)Dmg(9)Dmg(15)Dmg(34)
01) --> Radiant Aura==> Heal(1)Heal(5)Heal(11)
02) --> X-Ray Beam==> Acc(2)Acc(3)Dmg(9)Dmg(15)Dmg(34)
04) --> Radiation Infection==> EndRdx(4)TH_DeBuf(5)TH_DeBuf(11)TH_DeBuf(31)
06) --> Accelerate Metabolism==> Rechg(6)Rechg(7)Rechg(7)
08) --> Combat Jumping==> EndRdx(8)
10) --> Swift==> Run(10)
12) --> Aim==> Rechg(12)Rechg(13)Rechg(13)
14) --> Super Jump==> Jump(14)
16) --> Proton Volley==> Acc(16)Acc(17)Dmg(17)Dmg(19)Dmg(19)
18) --> Health==> Heal(18)
20) --> Stamina==> EndMod(20)EndMod(21)EndMod(21)
22) --> Cosmic Burst==> Acc(22)Acc(23)Dmg(23)Dmg(34)
24) --> Enervating Field==> EndRdx(24)EndRdx(25)EndRdx(25)
26) --> Neutron Bomb==> Acc(26)Acc(27)Dmg(27)Dmg(37)Dmg(37)
28) --> Lingering Radiation==> Acc(28)Acc(29)EndRdx(29)
30) --> Irradiate==> Acc(30)Acc(31)Dmg(31)Dmg(36)Dmg(36)
32) --> Atomic Blast==> Acc(32)Acc(33)Dmg(33)Dmg(33)Dmg(37)
35) --> Hasten==> Rechg(35)Rechg(36)Rechg(39)
38) --> EM Pulse==> Acc(38)Acc(39)Hold(39)Hold(40)EndRdx(40)EndRdx(40)
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01) --> Power Slide==> Empty(1)
01) --> Sprint==> Empty(1)
01) --> Brawl==> Empty(1)
01) --> Scourge==> Empty(1)
02) --> Rest==> Empty(2)
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