WORK PLANS - Laserfiche WebLink

Home Browse Search

. z kJ tiJ 24 February 2004 AGE-NC Project No. 03-1091 Page 2 of 4 3.2. INSPECTION OF SEPTIC TANK Once septic tank is emptied and cleaned SJCEHD will be notified. The septic tank will then be inspected by SJCEHD to determine if the septic tank is impervious and can be placed back in service. 3.3. PERMITTING AND PRE-FIELD WORK ACTIVITIES A site assessment boring permit will be obtained from the SJCEHD for all on-site boring locations. In addition, a health and safety plan will be prepared in accordance with Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities (National Institute for Occupational Safety and Health Administration, U.S. Coast Guard and U.S. Environmental Protection Agency, 1985). 3.4. SOIL SAMPLE COLLECTION AND ANALYSIS AGE proposes to advance fifteen soil borings utilizing GeoProbe "direct-push" techniques: one boring will be advanced angling beneath the septic tank, and one boring will be located under the distribution box (D-Box). The leach line borings will be located directly below the leach Iine trenches at 20 foot intervals along the entire length of each trench and at each 90 degree connection. Each boring will be advanced to approximately 4 feet below surface grade into native soil directly underneath each sampling area. If groundwater is encountered a water sample will be collected and analyzed. The proposed boring locations are illustrated on Figure 2. The proposed boring locations may be modified due to exact location of septic system, and requests of SJC EHD. Soil samples and water sample if collected; will be submitted for laboratory analysis. The samples will be analyzed by a State of California Department of Health Services (DHS)certified laboratory for the following constituents: • Total petroleum hydrocarbons quantified as gasoline and diesel (TPH-g and TPH-d) in accordance with EPA Method 8015 Modified; • Total petroleum hydrocarbons quantified as oil and grease (TPH-o&g) in accordance with EPA Method 8015 Modified; • Total recoverable petroleum hydrocarbons(TRPH)in accordance with EPA Method 4IS.1, carbon chain C-6 through C-40; • Full scan 8260b, reporting all peaks; and Advanced GeoEnvironmental,Inc.