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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
 
From:
Biol Psychiatry. Author manuscript; available in PMC 2017 April 1.
Published in final edited form as:
Biol Psychiatry. 2016 April 1; 79(7): 613–619.
Published online 2016 January 19. doi: 10.1016/j.biopsych.2016.01.004

Table 1

Number of specimens, by category, submitted by DEA regional laboratories for analysis, 1995 to 2014

Types
DEA Regional LaboratoryCannabisHashishHash OilTotalTotal
nΔ9-THC %nΔ9-THC %nΔ9-THC %nΔ9-THC %
STRL (Special Testing Research Laboratory)313.00±3.11864.95±3.72611.04±10.281234.76±4.37
NERL (Northeast Regional Laboratory)44749.92±6.269615.62±15.512116.55±8.87459110.07±6.66
MARL (Mid-Atlantic Regional Laboratory)32587.18±4.403516.29±16.651222.48±6.6933057.33±4.88
SERL (Southeast Regional Laboratory)50807.39±5.255413.27±14.144921.00±16.3151837.58±5.79
NCRL (North Central Regional Laboratory)62047.35±4.904820.26±17.371648.35±25.4262687.55±5.75
SCRL (South Central Regional Laboratory)33835.19±2.75826.38±18.06468.63±3.5633955.31±3.74
SWRL (Southwest Regional Laboratory)546410.61±6.6029126.86±16.915029.27±27.97580511.59±8.78
WRL (Western Regional Laboratory)97127.12±5.3919628.14±19.7010345.94±30.87100117.93±8.30
Grand Total 37606 7.86±5.57 814 21.78±18.15 261 34.32±28.00 38681 8.34±7.14