CORRESPONDENCE_1997 - 2000 - Laserfiche WebLink

Home Browse Search

e Corral Hollow Landfill—G10iolation Page 3 of 3 (4) Within ten(10)working days,submit to the EA a letter which describes the nature and extent of the problem,and arty immediate corrective actions that need to be taken to protect public health and safety, and the environment. (S) Construct a gas control system, designed by a registered civil or mechanical engineer, within a period of time specified by the EA.Installation of the system shall be in accordance with a design and in a manner approved for construction by the EA in coordination, if applicable, with the RWQCB During the inspection of the facility,the lateral spacing of the perimeter monitoring wells was measured. The distance between well#1 and#7 was approximately 1,300 feet. The facility does not appear to meet Title 27, CCR, Section 20925(b)(1) (provided). (b)Spacing (1) The lateral spacing between adjacent monitoring wells shall not exceed 1,000 feet, unless it can be established to the satisfaction of the EA, in§20923(a)(2). Based on this information,PHS-EHD directs you to submit documentation that the facility meets Title 27, CCR, Section 20923(a)(2) (provided), or submit a plan to install a multi-level monitoring well between well#1 and well#7. (a) To ensure that the conditions of X20921 are met, the operators all implement a gas monitoring program at the disposal site in accordance with the following requirements: (1)the gas monitoring network shall be designed by a registered civil engineer or a certified engineering geologist, and shall ensure detection of the presence of landfill gas migrating beyond the landfill property boundary and also into on site structures; and (2) The monitoring network shall be designed to account for the following specific site characteristics and potential migration pathways or barriers, including, but not limited to: (A)local soil and rock conditions; (B)hydrogeological conditions at the disposal site; (C) locations of buildings and structures relative to the waste disposal area; (D)adjacent land use, and inhabitable structures within 1000 feet of the disposal site property boundary; (E)man made pathways,such as underground construction;and (F) the nature and age of waste and its potential to generate landfill gas. If you have any questions in regards to this matter,please contact Robert McClellon at (209) 468-0332 or John Yoakum of my staff at(209) 468-3147. Karen Furst, M.D.,M.P.H. Health Officer Robert McClellon, Lead Senior R.E.H.S. Environmental Health Division RM: cf cc: Gino Yekta, CIWMB San Joaquin Valley Air Quality Management District enclosure