ARCHIVED REPORTS_XR0012882 - Laserfiche WebLink

Home Browse Search

Table 2. Analytical Results of Groundwater Samples Colle0l ARCO Station 2093.Tracy, Califamia Aromatic volatile organics tBFTa),ppb TPI 1.ppm Sample Date Ethvl- Gasoline Diesel Motor oil Total Dichlurocthane Number sampled Bertzenc benzcnc Toluene Xviene TPH range ranee ranee lead ppin s h DHS levels (a) 1 (a) 680(a) 100(b) 1750(a) (c) (c) (c) (c) (d) 0.5(a) ATR-4 4123187 3000 <10 200 950 21. 21: <1.0 <1.0 0.0.3 12/22/87 5300 430 310 270 -- - - - - 3/24/88 5800 930 320 740 6 6 <0.5 <0.5 <0.1 6/23/88 237 2 8.8 10 5.2 5.2 <0.2 <0.2 <0.1 9/29188 1430 350 115 130 1.4 1.4 <1.0 <1.0 <0.1 2/22189 1300 54 82 170 22 22 <0.1 <0.1 - 6l29l89 590 97 38 220 1.3 (c) (e) (c) 9118189 280 49 13 100 0.63 (e) (e) (c) 0.9 12128/89 500 56 25 160 1.3 (e) (e) (e) <2 i 4118190 150 35 5.1 63 0.44 0.44 - <2 ATR-5 3110189 693 327 <5.0 7 6.6 6.6 <0.2 <0.2 6/29/89 490 280 2A 1.3 2.2 (c) (e) (e) - 9118189 68 63 1.1 5.8 1 (e) (e) (e) <0.5 12127/89 94 150 .2 <1 2.2 (e) (e) (e) <2 4/19/90 120 6.8 2.6 140 1.9 1.9 f ATR-6 3110189 <0.5 <0.5 <0.5 <0.5 <0.2 <0.2 <0.2 <0.2 6121189 <0.3 <0.3 <0.3 0.3 <0.05 (e) (e) (e) 9118/89 03 0.3 1.3 3.8 <0.05 (e) (e) (e) <0.5 ' 12127/89 <0.3 <0.3 <0.3 0.4 <0.05 (e) (e) (e) <0.5 4118190 19 0.6 2.4 5 <0.05 - - <0.5 ATR-7 3110189 <0.5 <03 <0.5 1.7 <0.2 <0.2 <0.2 <0.2 6121189 1 0.6 <0.3 0.5 <0.05 (c) (e) (e) 9/18/89- 0.4 '---0.3 <0.3 1.1 <0.05 (e) (e) (e) <0.5- 12P-7/89 30 2.7 0.9 7.9 0.09 (e) (e) (e) <0.5 4/18190 1 6.1 2.1 2.6 5.8 <0.05 <0.5 (a)Department of health Services(f)HS)Maximum Contaminant Level(MCL). (b)DHS Drinking Water Action Level(no MCL established). (c)No MCI,or Action Level Established. (d)DHS primary drinking water standard(MCL)for leap(.0.05 milligrams/liter. I la)Hydrocarbons were not characterized. However,the hydrocarbons are within the low boiling point(C4-Ci 2t range which ma) I indicate the presence of gasoline.