Run series for position scan with 200 GeV electrons 2-Jul 200 e- 1 2402 2418 12000 204000 169 Al block target/absorber = air/air 204000 2-Jul 200 e- 2 2419 2435 12000 204000 171 none target/absorber = air/air 204000 2-Jul 200 e- 3 2436 2437 22320 171 none target/absorber = air/air 9-Jul 200 e- 3 2948 2965 12000 216000 251 none 238320 9-Jul 200 e- 4H 2967 2985 12000 228000 251 poly angled 228000