UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: April 10, 2007 1:00 P.M.
Form: S-4
CIK: 0001282637
Company Name: NEWMARKET CORP
File Number: 333-141074
CIK: 0001237233
Company Name: AFTON CHEMICALS JAPAN HOLDINGS INC
File Number: 333-141074-25
CIK: 0000033656
Company Name: ETHYL CORP
File Number: 333-141074-24
CIK: 0001389330
Company Name: Afton Chemical Intangibles LLC
File Number: 333-141074-23
CIK: 0001389329
Company Name: Afton Chemical Asia Pacific LLC
File Number: 333-141074-22
CIK: 0001389328
Company Name: Afton Chemical Canada Holdings, Inc.
File Number: 333-141074-21
CIK: 0001389334
Company Name: Ethyl Asia Pacific LLC
File Number: 333-141074-20
CIK: 0001389332
Company Name: NewMarket Investment CO
File Number: 333-141074-19
CIK: 0001389333
Company Name: NewMarket Services CORP
File Number: 333-141074-18
CIK: 0001389335
Company Name: Old Town LLC
File Number: 333-141074-17
CIK: 0001389331
Company Name: NewMarket Development CORP
File Number: 333-141074-16
CIK: 0001389336
Company Name: Foundry Park I, LLC
File Number: 333-141074-15
CIK: 0001389337
Company Name: Foundry Park II, LLC
File Number: 333-141074-14
CIK: 0001389338
Company Name: Gamble's Hill, LLC
File Number: 333-141074-13
CIK: 0001389343
Company Name: Gamble's Hill Tredegar, LLC
File Number: 333-141074-12
CIK: 0001389339
Company Name: Gamble's Hill Lab, LLC
File Number: 333-141074-11
CIK: 0001389341
Company Name: Gamble's Hill Landing, LLC
File Number: 333-141074-10
CIK: 0001389342
Company Name: Gamble's Hill Third Street, LLC
File Number: 333-141074-09
CIK: 0001237151
Company Name: ETHYL EXPORT CORP
File Number: 333-141074-08
CIK: 0001237153
Company Name: ETHYL INTERAMERICA CORP
File Number: 333-141074-07
CIK: 0001237158
Company Name: ETHYL VENTURES INC
File Number: 333-141074-06
CIK: 0001237162
Company Name: INTERAMERICA TERMINALS CORP
File Number: 333-141074-05
CIK: 0001237165
Company Name: EDWIN COOPER CORP
File Number: 333-141074-04
CIK: 0001237184
Company Name: AFTON CHEMICALS ADDITIVES CORP
File Number: 333-141074-03
CIK: 0001237227
Company Name: afton chemical CORP
File Number: 333-141074-02
CIK: 0001237231
Company Name: ETHYL CANADA HOLDINGS INC
File Number: 333-141074-01