Numeric Action Levels NALs and NAL Exceedances in California
Feb 15 2017 An NAL exceedance is an indi ion that the facilities BMPs are not effective in reducing pollutants; Zinc Total H EPA 200.8 mg/L 0.26**.
California Draft TMDL-Based Action Levels Available for Public
Mar 21 2016 For example the annual NAL for zinc is 260 micrograms per liter ug/L Stormwater Practitioner QISP and/or Professional Engineer PE .
general permit for storm water discharges associated with industrial a
TABLE 2: Parameter NAL Values Test Methods and Reporting Units 43 California licensed professional civil industrial chemical and mechanical Steel Works Blast Furnaces Rolling and Finishing Mills Al; Zn. 332X.
npdes general permit for storm water discharges associated with California licensed professional civil industrial chemical and mechanical engineers and year for a given parameter exceeds an annual NAL value listed in Table 2 Steel Works Blast Furnaces Rolling and Finishing Mills Al; Zn. 332X.
Industrial Stormwater Monitoring and Sampling Guide - EPA
professional judgment when selecting sampling lo ions. In some cases you may need to Lead and Zinc Ores; Gold and Silver Ores;. Ferroalloy Ores Except
Level 1 and level 2 — EnvCompli
NAL exceedances defined in this General Permit are not in and of themselves violations First Qualified Storm Event QSE Sample Result: Zinc = 0.35 mg/L;.
Calculating Stormwater Exceedances of Numeric Action Levels
Jul 12 2016 The NAL for TSS is 100 mg/L. If your average is greater than the annual NAL Previous PostZinc In Industrial Stormwater: Sources And BMPs
