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DETECTED HALOGENATED VOLATILE ORGANIC COMPOUNDS Pioneer Americas Inc., Tracy, California EPA Method 8010 Sample Sample Sample Sample Carbon Location Depth{'} Horizon ID Date Tetrachloride Chloroform CPT1 34.5-35.5 Upper APCPT1-34.5 11/16/99 <0.0005 0.0094 F1-6/99 _ _...__..__._._._"---------- 59-60 Middle APCPT1-59 11/16/99 <0.0005 <0.0005 __.__.. ___._...._.... _..._.._.___.. .........................._...._._.._.....__..... _..._.. 88-89 Lower APCPT1-88 11/16/99 <0.0005 <0.0005 CPT2 32-33 Upper APCPT2-32 11/16/99 <0.0005 0.022 _....__..._.. _..._ ...................._1..._................. ..._....._........__.._......................... 59-60 Middle APCPT2-59 11/16/99 <0.0005 <0.0005 DUP Middle APCPT2-59D 11/16/99 <0.0005 <0.0005 88-89 Lower APCPT2-88 11/16/99 <0.0005 <0.0005 CPT3 22.5-23.5 Upper APCPT3-22.5 11/18/99 0.0015 0.026 DUP Upper APCPT3-22.5D 11/18/99 0.0018 58.5-59.5 Middle APCPT3-58.5 11/18/99 <0.0005 0.14_00 86.5-89.5 Lower APCPT3-86.5 11/18/99 <0.0005 0.003 CPT4 28-29 Upper APCPT4-28 11/17/99 __<0.0005 <0.0005 39-40 Middle APCPT4-39 11/17/99 <0.0005 <0.0005 ___.___._...._........._._._......._.._.........._........_..._..._......___........_....... .. 87.5-88.5 Lower APCPT4-87.5 11/17/99 <0.0005 <0.0005 CPTS 25-26 Upper APCPT5-25 --...11/15/99._.__.............................0.0050....................................................0.:.062...................... .. .. ...... 50-53 Middle APCPT5-50 11/16/990.0023 0.0510 _..__............._._._..._. ...._.....__._......_.................................._...._................._....I...................... 79-81 Lower APCPT5-79 11/16/99 <0.0005 0.0009 CPT6 29-30 Upper APCPT6-29 11/17/99 <0.0005 0:.0.53 54-55 Middle APCPT6-54 11/17/99 0.0069 0.260 84-85 Lower APCPT6-84 11/17/99 <0.0005 <0.0005 CPT7 36-37 Upper APCPT7-36 _...11/17/99.._._...._................_0.0053......._...........................................�.._�..30............... ....... DUP Upper APCPT7-36D 11/17/99 <0.0005 0:084 ....._..____....._.._...__.......__....._......................_.__._..._.__....._. .. ....._....__.. 60-61 Middle APCPT7-60 11/17/99 0.0007 0.0051 ......._........_..__.................... 88.5-89.5 Lower APCPT7-88.5 11/17/99 <0.0005 0.001 CPT8 16-17 Upper APCPT8-16 11/15/99 0.0011 0..043 DUP Upper APCPT8-16D 11/15/99 0.0012 0:.045 48.5-51.5 Middle APCPT8-48.511/15/99 0.0024 0.022 ..................... 92-95 Lower APCPT8-92 11/15/99 <0.0005 0.002 CPT9 19-20 Upper APCPT9-19 11/15/99 __ W 0.0006 _0.020 50.5-51.5 Middle APCPT9-50.5 11/15/990.0023 0.046 ._. ___ _ .. _. _......_ 76.5-79.5 Lower APCPT9-76.5 11/1_5/9_9 0.0021 0.031 CPT10 34-35 Upper APCPT10-34 11/14/99^_ 0.00080.....0..4 0- 55-56 Middle APCPT10-55 11/14/99 0 00100. -017 .___ _..........._._._......_ 81.5-84.5 Lower APCPT10-81.5 11/1..5/99 0.0011 0.018 CPT11 33.5-34.5 Upper APCPT11-33.5 11/14/99 0.0006 0.033 _._._...._......__....... _ .._..._..__....._...__............... .... ....... ............. .._. 52-53 Middle APCPT11-52 ............_1._1./14/9.9..............._...................._0.001.1.....................................................0..:.042...................... 79-82 Lower APCPT11-79 11/14/99 0.0013 0.024 CPT12 19-20 Upper APCPT12-19 11/17/99 <0.0005 <0.0005 29.5-30.5 Upper APCPT12-29.511/17/99 <0.0005 0.0007 ......_........._ __._....._._............................._._.__........_.._..........................................._....._............................................. 59-60 1 Middle I APCPT12-59 1 11/17/99 <0.0005 1 <0.0005 USEPA Primary MCL 0.005 0.1 USEPA Secondary MCL DHS Primary MCL 0.0005 0.1 DHS Secondary MCL Voc8010 IT Corporation 777287 Page 1 of 2 hydropunch