How long will it take to characterize soil for disposal?

In general, it takes at least one and potentially up to four weeks to complete characterization of soil for off-site disposal, although this can be accelerated in emergencies but at a greater cost. Soil sampling needs to be coordinated with at least 72 hours advance notice and can usually be completed in one day. Standard laboratory analysis turnaround time is 5-7 business days. Sample analysis can be expedited by paying a surcharge. A 24-hour turnaround normally adds a 100% surcharge to the base cost, two-day 75%, and three-day 50%.

For larger projects that need multiple subsurface samples, hiring a UC approved environmental consultant may be easier. EH&S can help evaluate project needs and help with contractor evaluations if deciding to follow that option.




1 Capital Projects (CP) submits excavation information (Area and volume, proposed acceptance site, tentative start-up date) to EH&S (  
2 EH&S will determine if project meets internal capabilities or if consultants should be hired. 1 to 3 days
3 General Contractor/hauler indicates what analyses and sample requirements to perform based on accepting party criteria. 1 to 3 days
4 EH&S approved Contractor collects samples and submits to laboratory. 1 to 3 days
5 Laboratory processes samples on standard turn around. Some analytical can be expedited as described above. 2 days to 1 week
6 EH&S reviews analytical for proper handling and follow up evaluations/testing, recommendations. 1 to 3 days
7 Contact accepting landfill, site or party for disposal approval/forms. 1 to 3 days
8 * If solubility or leaching testing requirements (TCLP or STLC) are imposed/required, add 5 days to timeline. 5 days
  Average Total Time for full subsurface evaluation 7 to 27 days