Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


ENV 201 - Practical Info && Examination Notes

Sewage Pathogen leading to typhoid fever Salmonella Typhi
Sewage Pathogen leading to cholera Vibrio Cholerae
Sewage Pathogen leading to diarrhea Escherichia Coli & Cryptosporidium Parvum
Sewage Pathogen leading to salmonellosis Salmonella species
Sewage Pathogens leading to numerous parasitic diseases roundworms and flatworms
Sewage Pathogen leading to dysentery Shigella species (bacteria) Entamoeba histolytica (protozoan)
Preliminary treatment of sewage Removal of debris and grit
Primary treatment of sewage removal of particulate organic matter
Secondary Treatment of sewage removal of colloidal and dissolved organic materials
Biological nutrient removal removal of dissolved inorganic material
Major by product of anaeronic process during decomposition of sludge The gaseous mix formed during absence of oxygen where bacteria feeds on detritus is known as biogas which consists of 60 percent methane (EPA 2013)
Created by: VsevolodFreedom