Agenda - Council - 07/28/1981 - Laserfiche WebLink

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_ 5, The licensee shall annually, in the month of April, submit an evaluation of hangs in • 9radiant. Thisvreportb toebehsubmittedsbyfApril 30ceacheyear ground water the refue round • 9 5, Surficial ground water monitoring wells shall extend at least three feet, and no more than four feet, into the first ground water encountered. 7. All wells shall be constructed of schedule 40 PVC pipe With a minimum inside diameter of two inches. Deep wells, to and thr pr the till shall comply known i water l cod Pla l with level to thebottomOf theewell. The wells d shall be sealedhini place. The casings shall: extend at least two fe et, so pent nevdamaget feet, above ground levels shall be protected by p° to permit easy location; and identified by number as assigned by the Department. S. All wel ifeihface during the drilling, e to in- e (2)) drilling fluid�andc(3)sthe preded on the aqu all of which shall be don termined finer fraction of the gravel pack, will be obtained from the sure that the maximum practical specific capacity completed well. g. downagradientlwellsshould be noamore0thane100 feet fromlfillap acement. initial and 10. Initial sampl ing� a fter ThesetSamples shall be analyzed forespecificicon- ductance, pN, chemical oxygen demand, chlorides, sulphates, ammonia, alkl inity, nitrate nitrogen, temperature, and water elevation. 11. After the initial Sampling, No. 10 above, samples s hall b e quarterly quarterly collected in the months of January, April, July, a shall be analyzed for speci conductance, PH chemica oxygen dema c hlo - alkalinity, nitrate nitrogen t m peratureand rides, sulphates, ammonias . water elevation. 12. All monitoring samples ,Tall be collected betwen the first and the fifteenth by the loth of the month following the monthly collection (excep then ?able O f the =nth and the 2 parameters are involved the report will be due by the 30th of the month follow- ing the month of collection]• acceptable to the Department usin 13. All Samples shall be collected by a laboratory the following proceedures: a, Water levels sb one of many commercially S near te availablewaterlevelme foot using any of the cells. device,. Water levels shall be measured prior to purging The water level shall be reported on the laboratory report to the neares tenth of a foot as ea level elevation. n b. At least three casing volumes of rioorrtohthe collection Of samples ell, amples or the well shall be purged dry, p C. Water samples shall be collected with either a submersible pump, ■ auction pump, or by bailing. Air shall not be injected into the welp e- Sampling devices shall be cleaned before and after each sampling to vent cross contamination and shall be protected from soiling• d. Samples that will be analyzed for metals shall be filtered in the field using a 0.45 micron filter. e , Conductivity, pH, and water temperature shall be measuered in the field using commercially available equipment. Equipment shall be calibrated according to the manufacturers instructions.