Fremont Analytical, Inc. provides analysis of stormwater discharge for all parameters required by the Washington State Department of Ecology’s Industrial Stormwater General Permit. Table 2 (All Facilities) and Table 3 (Specific Industries) parameters and methods are listed below. For information on the parameters required by Table 4 (Landfills), Table 5 (Airports), and Table 6 (Discharge to 303(d)-listed Waters), please contact the laboratory.

Fremont Analytical, Inc. provides analysis of stormwater discharge for all parameters required by the Washington State Department of Ecology’s Industrial Stormwater General Permit. Table 2 (All Facilities) and Table 3 (Specific Industries) parameters and methods are listed below. For information on the parameters required by Table 4 (Landfills), Table 5 (Airports), and Table 6 (Discharge to 303(d)-listed Waters), please contact the laboratory.

Parameter

Turbidity

pH

Copper, Total

Zinc, Total

BOD 5

Nitrate + Nitrite Nitrogen, as N

Phosphorus, Total

Lead, Total

Petroleum Hydrocarbons (Diesel Fraction)

Chemical Oxygen Demand (COD)

Total Ammonia (as N)

TSS

Arsenic, Total

Cadmium, Total

Cyanide, Total

Magnesium, Total

Mercury, Total

Selenium, Total

Silver, Total

Analytical Method

EPA 180.1

SM 4500H + B (Meter)

EPA 200.8

EPA 200.8

SM 5210B

EPA 300.0

EPA 365.3

EPA 200.8

NWTPH-Dx

SM 5220D

SM 4500 NH3 E

SM 254OD

EPA 200.8

EPA 200.8

SM 4500-CN C, E

EPA 200.8

EPA 245.1 / EPA 1631E

EPA 200.8

EPA 200.8

In addition to the permit, the WA Dept of Ecology has authored a Stormwater Sampling Manual with directions on when, where, and how to sample your stormwater discharge.

Downloads from the Washington Department of Ecology

o   The Industrial Stormwater General Permit (effective January 2nd, 2015 – December 31st, 2019)

o   Stormwater Sampling Manual

Click here for the Washington Department of Ecology Industrial Stormwater webpage.

Container Requirements

Laboratory Accreditation Number: C2037


Office: (206) 352.3790     Fax: (206) 352.7178     Email: info@fremontanalytical.com