PRS staff 'grey literature' reports for 2012 presented in report number order Foster, A. (2012). Assessment of vertebrate remains from a watching brief on land to the west of Highfield, Old Trough Lane, Sandholme, Gilberdyke, East Riding of Yorkshire (site code: SGD2011). PRS 2012/01. Foster, A. (2012). Assessment of biological remains from a single sample recovered during an archaeological excavation on land to the east of Ettington Road, Wellesbourne, Stratford-upon-Avon, Warwickshire (site code: WELL11). PRS 2012/02. Carrott, J. (2012). Assessment for possible intestinal parasite remains from samples from excavations at Brignoles “La Rouge”, near Toulon, France. PRS 2012/03. Foster, A. and Carrott, J. (2012). Technical report: Biological remains from a deposit encountered during an archaeological excavation at Fountains Abbey, North Yorkshire (site code: FAO11). PRS 2012/04. Foster, A. and Carrott, J. (2012). Assessment of a single sample from an archaeological assessment at Larum House, Hempholme, East Riding of Yorkshire (site code: 008.LHH2011). PRS 2012/05. Foster, A. and Carrott, J. (2012). Assessment of biological remains from deposits encountered during archaeological recording at Hopper Hill Road, Seamer, near Scarborough, North Yorkshire (site code: HHH11). PRS 2012/06. Carrott, J., Foster, A. and Martin, G. (2012). Evaluation of biological remains from deposits encountered during excavations at the site of a proposed wind farm on land between Cowden Lane and Aldbrough Road, Withernwick, East Riding of Yorkshire (site code: WWK2011). PRS 2012/07. Foster, A., Walker, A. and Carrott, J. (2012). Assessment of biological remains from two sediment samples recovered during archaeological investigations at Easington Wetlands, East Riding of Yorkshire (site code: EWL11). PRS 2012/08. Carrott, J., Foster, A. and Walker, A. (2012). Rapid assessment of the interpretative potential of biological remains recovered during a programme of archaeological monitoring and excavation at Nethergate pumping station, Nafferton, East Riding of Yorkshire (site code: NGT11). PRS 2012/09. Jaques, D., Ranner, H., Foster, A., Carrott, J., Martin, G., Poland, J. and Arridge, K. (2012). Assessment of biological remains from deposits encountered during excavations at Caythorpe Gas Storage Works, nr Bridlington, East Riding of Yorkshire (site code: CAY2009). PRS 2012/10. Carrott, J., Walker, A. and Foster, A. (2012). Assessment of biological remains from borehole investigations of deposits on land at Trident Park, Cardiff, Wales (site code: BA2170). PRS 2012/11. Carrott, J., Martin, G. and Foster, A. (2012). Technical report: Biological remains from excavations undertaken at Eddisbury Hillfort, Eddisbury Hill, Cheshire (site codes: E1076/E1129). PRS 2012/12. Foster, A., Walker, A. and Carrott, J. (2012). Assessment of biological remains from deposits encountered during archaeological recording at Easby Abbey, Richmond, North Yorkshire (site code: EAD11). PRS 2012/13. Carrott, J., Foster, A. and Walker, A. (2012). Assessment of biological remains from borehole investigations of deposits on land at Kerrison Road, Norwich, Norfolk (site code: BA2157). PRS 2012/14. Carrott, J., Foster, A. and Walker, A. (2012). Evaluation of biological remains from a single sediment subsample recovered during an archaeological excavation at the site of the former Ashbury Carriage and Iron Company, Pottery Lane/Ashton Old Road, Manchester (site code: ASH12). PRS 2012/15. Carrott, J. and Foster, A. (2012). Rapid assessment of the interpretative potential of biological remains recovered during a programme of archaeological monitoring and excavation on the route of the Tophill Low to Haisthorpe water pipeline, East Riding of Yorkshire (site code: TLH11). PRS 2012/16. Carrott, J. and Walker, A. (2012). Assessment of a single sediment sample and a wood sample from further archaeological works at Larum House, Hempholme, East Riding of Yorkshire (site code: 018.LHH.2012). PRS 2012/17. Carrott, J. and Walker, A. (2012). Assessment of charred plant and mollusc remains recovered from deposits encountered during further excavations at Darrington Quarry, Cridling Stubbs, West Yorkshire (site code: DNQ11). PRS 2012/18. Foster, A., Foster, L. and Carrott, J. (2012). Assessment of biological remains from sediment samples collected during a watching brief on land west of The Bungalow, Wold Road, Nafferton, East Riding of Yorkshire (site code: 032.BWN.2012). PRS 2012/19. Carrott, J. and Walker, A. (2012). Assessment of biological remains from two sediment samples collected during trial trenching at Needham Market, Suffolk (site code: BA2170). PRS 2012/20. Carrott, J. and Foster, A. (2012). Technical report: Mollusc remains from excavations at Thanet Earth, Isle of Thanet, Kent (site code: TE EX 07). PRS 2012/21. Foster, A., Carrott, J. and Martin, G. (2012). Evaluation of biological remains from a single sediment sample recovered during further excavations at Racecourse Road/Seamer Moor, Scarborough, North Yorkshire (site code: SM08). PRS 2012/22. Foster, A., Martin, G. and Carrott, J. (2012). Evaluation of biological remains from a single sample recovered from an archaeological excavation at the Marine Engineers building, Sandside, Scarborough, North Yorkshire (site code: ME08). PRS 2012/23. Foster, A. and Carrott, J. (2012). Evaluation of biological remains from a single sediment sample recovered during a programme of archaeological monitoring and excavation at Wood Farm, Mappleton Road, Hatfield, East Riding of Yorkshire (site code: 045.WFH.2012). PRS 2012/24. Foster, A. (2012). Evaluation of biological remains from sediment samples recovered during monitored topsoil stripping at Nafferton Wold Farm, Wold Road, Nafferton, East Riding of Yorkshire (site code: NWF2012). PRS 2012/25. Foster, A. and Carrott, J. (2012). Evaluation of biological remains recovered from sediment samples collected during archaeological monitoring and recording undertaken at Roos Wind Farm, Roos, East Riding of Yorkshire (site code: WB2012.001). PRS 2012/26. Foster, A., Foster, L., Walker, A. and Carrott, J. (2012). Assessment of biological remains from an evaluation excavation undertaken at Fan Barrow, Talsarn, Ceredigion, Wales (site code: FBT10/11). PRS 2012/27. Foster, A., Foster, L., Carrott, J. and Walker, A. (2012). Assessment of biological remains from features encountered during archaeological excavations at Ladybridge Farm, Nosterfield, North Yorkshire (site code: LBF0703 – 2011 works). PRS 2012/28. Foster, A. and Carrott, J. (2012). Evaluation of biological remains recovered from excavations undertaken at Wilberforce College, Saltshouse Road, Kingston upon Hull (site code: WCS2012). PRS 2012/29. Allison, E., Hall, A., Foster, A. and Carrott, J. (2012). Technical report: Plant and invertebrate macrofossils from a single sediment sample collected during a programme of archaeological works at Andrew Marvell School, Barham Road, Kingston upon Hull (site code: AMB2011). PRS 2012/30. Foster, A., Walker, A. and Carrott, J. (2012). Evaluation of sediment samples recovered during a programme of archaeological monitoring and recording at East Coldcoats Farm, Ponteland, Northumberland (site code: ECP12). PRS 2012/31. Foster, A. and Carrott, J. (2012). Evaluation of biological remains from two sediment samples recovered during a programme of archaeological monitoring and recording at Densholme Farm, Hull Road, Great Hatfield, East Riding of Yorkshire (site code: 043.DFH.2012). PRS 2012/32. Foster, A., Walker, A. and Carrott, J. (2012). Assessment of biological remains from two sediment samples recovered from deposits at Killerby (south of Catterick), North Yorkshire (site code: BA-E 2171). PRS 2012/33. Foster, A., Foster, L., Walker, A. and Carrott, J. (2012). Assessment of biological remains from excavations undertaken at Kelsborrow Castle Hillfort, near Willington, Cheshire (site code: E1139). PRS 2012/34. Jaques, D., Foster, A., Walker, A., Martin, G., Hall, A., Allison, E. and Carrott, J. (2012). Technical report: Biological remains from excavations associated with the Healam site of the A1 Dishforth to Barton Improvement, North Yorkshire, with summary information for other field areas (site codes: A1DB09 and A1DB10). PRS 2012/35. Foster, A., Carrott, J. and Walker, A. (2012). Evaluation of biological remains recovered during follow-on archaeological monitoring and recording at the site of a proposed wind farm at Withernwick, East Riding of Yorkshire (site code: WWK2011). PRS 2012/36. Foster, A., Carrott, J. and Walker, A. (2012). Assessment of biological remains from two sediment samples collected during a watching brief at Southfield House Farm, Skipsea, Driffield, East Riding of Yorkshire (site code: 042.SHS.2012). PRS 2012/37. Walker, A., Foster, A. and Carrott, J. (2012). Assessment of biological remains from a sequence of sediment samples collected from a test pit excavated at Domuztepe, Turkey (site code: DT11). PRS 2012/38. Foster, A. (2012). Assessment of hand-collected vertebrate remains from excavations at Axbridge Moor, Somerset (site code: BA1121AMBW). PRS 2012/39. Carrott, J., Walker, A. and Foster, A. (2012). Evaluation of biological remains from two sediment samples collected during a monitored strip and record at Hasholme Hall, Bursea Lane, Holme-upon-Spalding Moor, East Riding of Yorkshire (site code: 050.HHH.2012). PRS 2012/40. Foster, A., Carrott, J. and Walker, A. (2012). Assessment of biological remains from sediment samples recovered during further archaeological excavations at Potgate Quarry, North Stainley, Ripon, North Yorkshire (site code: PGQ12). PRS 2012/41..