Index of PERB Opinion Numbers (251-275) PERB Opinion # Case Number Cite DC Register vol. DC Reg. page (year) 251 90-U-07 90-U-09 252 90-R-08, amended 38 DC Reg. 4145 (1991) 253 90-A-04 37 DC Reg. 5666 (1990) 254 90-A-06 37 DC Reg. 5666 (1990) 255 90-R-09 38 DC Reg. 832 (1991) 256 90-U-08 38 DC Reg. 836 (1991) 257 89-U-10 37 DC Reg. 5666 (1990) 258 90-U-13 38 DC Reg. 2650 (1991) 259 90-N-02 90-N-03 90-N-04, order 38 DC Reg. 116 (1991) 260 90-A-05 38 DC Reg. 845 (1991) 261 90-N-05 38 DC Reg. 847 (1991) 262 90-A-08 38 DC Reg. 1580 (1991) 263 90-N-02 90-N-03 90-N-04, decision 38 DC Reg. 6693 (1991) 264 89-U-12 38 DC Reg. 1586 (1991) 265 89-U-11 38 DC Reg. 1627 (1991) 266 89-U-15 89-U-16 89-U-18 90-U-04 38 DC Reg. 6693 (1991) 267 90-U-05 38 DC Reg. 6698 (1991) 268 90-R-02 38 DC Reg. 6707 (1991) 269 90-R-04 38 DC Reg. 1628 (1991) 270 88-U-33 88-U-34 38 DC Reg. 4154 (1991) 271 90-U-28 38 DC Reg. 2654 (1991) 272 90-U-10 38 DC Reg. 2463 (1991) 273 91-N-01 38 DC Reg. 2483 (1991) 274 90-N-02 90-N-03 90-N-04, motion 38 DC Reg. 3313 (1991) 275 89-U-13 38 DC Reg. 6710 (1991)