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haven't returned to the boards since the Oct. 2009 exam; but i also passed with 84/100; 1st attempt; REALLY benefitted from discussions on this board; congrats to all; was 4 months of daily studying; took the School of PE Review class - was a great help; felt comfortable with nearly 100%...

i feel the same way...pretty much the daily grind since mid June my thinking is - it'll all be worth it in the end

thanks for the two replies - regarding point of wastage, i suppose Lindeburg just tries to keep us honest by giving an example problem with wastage directly from reactor and showing with Figures, wastage prior to secondary clarification i think i understand BOD is a WW characteristic, oxygen...

i think i found an error on slide 124 (pg. 62) of the NC State DVD: Wastewater Systems they use BOD_ult = 5.8 mg/L to solve for D_t@1 day downstream...this 5.8 mg/L occurs at the same point D_t@1 day occurs, which is wrong i think bottom line: Deficit at downstream point corresponding to...

Situation 1 involves Activated Sludge for Industrial WW his solution seems to assume point of wastage exists on the return line - how did he arrive at this assumption?-or given this is a complete mix AS situation, are we to automatically infer the point of sludge wastage occurs on the return...

much thanks

any guidance for studying Radiation? I'm almost through Lindeburg Chap 48: "Biological Effects of Radiation", and plan to get through Chap. 49: "Nuclear Shielding" this weekend, and got introduced to the topic via Chap 46: "Industrial Hygiene" while none of the Radiation equations are...

taking it in Virginia...so called state board yesterday asking this pencil notes in references question; referred me to the exam vendor (PCS Professional Credential Services) - who referred me to the NCEES website (Virginia gives the NCEES exam)...the NCEES site under Candidate Agreement does...

i've made countless pencil-written notes in margins in my Lindeburg and LeGrega texts during my studying? is there a rule against bringing in reference material that has hand-written pencil notes? i understand we are only allowed to write on test papers during the test, but my question is in...

Thanks for the help everyone - the countdown is on no doubt

Remediation Problem 4.1 Given: PCE --> TCE --> DCE isomers Find: What is not a significant pathway for degradation of perchloroethene in a soil-groundwater system? ANS Choices: (A) biological oxidation (B) chemical reduction © deamination (D) hydrolysis Solution: i know the...

pg. 40-6 Example 40.2: to use tabulated Volume CO_2 out / Vol Dry Combustion Flue Gas out (Table 40.3) at 3%v O_2 out, we need ratio of volume H in the coal to volume C in the coal...Example 40.2 gives gravimetric C & H amounts at 86.5% and 11.75% in fired coal - he equates these...

Spent all weekend working 14 of his 19 Combustion practice problems (Practice Problems book) - i'm wondering: are 19 Combustion practice problems warranted for exam prep? similar to my HVAC question a few weeks ago, 19 practice problems seems to signal a heavy emphasis on Combustion any...

thanks everyone for the help...HUGE help; this is why forums like this are so valuable -Eric

Lindeburg spends 8 chapters within Topic IV: Air Resources #1: Ventilation, with a great deal of material on HVAC systems i've started to go through this material this week and it is not only difficult in my opinion, but also robust/lengthy anyone have advice/guidanc? - should i simply skim...

Thank you - very helpful

New to the board here I’m a practicing civil, with a decent amount of environmental course in recent past (~5yrs); opting to go after the enviro exam to hopefully trigger a career in energy-environmental Question of the night – Lindeburg’s Sample Prob. Chap 24, #12: anyone offer guidance as to...